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- // SPDX-License-Identifier: GPL-2.0
- /*
- * This is rewrite of original c2c tool introduced in here:
- * http://lwn.net/Articles/588866/
- *
- * The original tool was changed to fit in current perf state.
- *
- * Original authors:
- * Don Zickus <dzickus@redhat.com>
- * Dick Fowles <fowles@inreach.com>
- * Joe Mario <jmario@redhat.com>
- */
- #include <errno.h>
- #include <inttypes.h>
- #include <linux/compiler.h>
- #include <linux/err.h>
- #include <linux/kernel.h>
- #include <linux/stringify.h>
- #include <linux/zalloc.h>
- #include <asm/bug.h>
- #include <sys/param.h>
- #include "debug.h"
- #include "builtin.h"
- #include <perf/cpumap.h>
- #include <subcmd/pager.h>
- #include <subcmd/parse-options.h>
- #include "map_symbol.h"
- #include "mem-events.h"
- #include "session.h"
- #include "hist.h"
- #include "sort.h"
- #include "tool.h"
- #include "cacheline.h"
- #include "data.h"
- #include "event.h"
- #include "evlist.h"
- #include "evsel.h"
- #include "ui/browsers/hists.h"
- #include "thread.h"
- #include "mem2node.h"
- #include "symbol.h"
- #include "ui/ui.h"
- #include "ui/progress.h"
- #include "../perf.h"
- struct c2c_hists {
- struct hists hists;
- struct perf_hpp_list list;
- struct c2c_stats stats;
- };
- struct compute_stats {
- struct stats lcl_hitm;
- struct stats rmt_hitm;
- struct stats load;
- };
- struct c2c_hist_entry {
- struct c2c_hists *hists;
- struct c2c_stats stats;
- unsigned long *cpuset;
- unsigned long *nodeset;
- struct c2c_stats *node_stats;
- unsigned int cacheline_idx;
- struct compute_stats cstats;
- unsigned long paddr;
- unsigned long paddr_cnt;
- bool paddr_zero;
- char *nodestr;
- /*
- * must be at the end,
- * because of its callchain dynamic entry
- */
- struct hist_entry he;
- };
- static char const *coalesce_default = "iaddr";
- struct perf_c2c {
- struct perf_tool tool;
- struct c2c_hists hists;
- struct mem2node mem2node;
- unsigned long **nodes;
- int nodes_cnt;
- int cpus_cnt;
- int *cpu2node;
- int node_info;
- bool show_src;
- bool show_all;
- bool use_stdio;
- bool stats_only;
- bool symbol_full;
- bool stitch_lbr;
- /* HITM shared clines stats */
- struct c2c_stats hitm_stats;
- int shared_clines;
- int display;
- const char *coalesce;
- char *cl_sort;
- char *cl_resort;
- char *cl_output;
- };
- enum {
- DISPLAY_LCL,
- DISPLAY_RMT,
- DISPLAY_TOT,
- DISPLAY_MAX,
- };
- static const char *display_str[DISPLAY_MAX] = {
- [DISPLAY_LCL] = "Local",
- [DISPLAY_RMT] = "Remote",
- [DISPLAY_TOT] = "Total",
- };
- static const struct option c2c_options[] = {
- OPT_INCR('v', "verbose", &verbose, "be more verbose (show counter open errors, etc)"),
- OPT_END()
- };
- static struct perf_c2c c2c;
- static void *c2c_he_zalloc(size_t size)
- {
- struct c2c_hist_entry *c2c_he;
- c2c_he = zalloc(size + sizeof(*c2c_he));
- if (!c2c_he)
- return NULL;
- c2c_he->cpuset = bitmap_alloc(c2c.cpus_cnt);
- if (!c2c_he->cpuset)
- return NULL;
- c2c_he->nodeset = bitmap_alloc(c2c.nodes_cnt);
- if (!c2c_he->nodeset)
- return NULL;
- c2c_he->node_stats = zalloc(c2c.nodes_cnt * sizeof(*c2c_he->node_stats));
- if (!c2c_he->node_stats)
- return NULL;
- init_stats(&c2c_he->cstats.lcl_hitm);
- init_stats(&c2c_he->cstats.rmt_hitm);
- init_stats(&c2c_he->cstats.load);
- return &c2c_he->he;
- }
- static void c2c_he_free(void *he)
- {
- struct c2c_hist_entry *c2c_he;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- if (c2c_he->hists) {
- hists__delete_entries(&c2c_he->hists->hists);
- free(c2c_he->hists);
- }
- free(c2c_he->cpuset);
- free(c2c_he->nodeset);
- free(c2c_he->nodestr);
- free(c2c_he->node_stats);
- free(c2c_he);
- }
- static struct hist_entry_ops c2c_entry_ops = {
- .new = c2c_he_zalloc,
- .free = c2c_he_free,
- };
- static int c2c_hists__init(struct c2c_hists *hists,
- const char *sort,
- int nr_header_lines);
- static struct c2c_hists*
- he__get_c2c_hists(struct hist_entry *he,
- const char *sort,
- int nr_header_lines)
- {
- struct c2c_hist_entry *c2c_he;
- struct c2c_hists *hists;
- int ret;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- if (c2c_he->hists)
- return c2c_he->hists;
- hists = c2c_he->hists = zalloc(sizeof(*hists));
- if (!hists)
- return NULL;
- ret = c2c_hists__init(hists, sort, nr_header_lines);
- if (ret) {
- free(hists);
- return NULL;
- }
- return hists;
- }
- static void c2c_he__set_cpu(struct c2c_hist_entry *c2c_he,
- struct perf_sample *sample)
- {
- if (WARN_ONCE(sample->cpu == (unsigned int) -1,
- "WARNING: no sample cpu value"))
- return;
- set_bit(sample->cpu, c2c_he->cpuset);
- }
- static void c2c_he__set_node(struct c2c_hist_entry *c2c_he,
- struct perf_sample *sample)
- {
- int node;
- if (!sample->phys_addr) {
- c2c_he->paddr_zero = true;
- return;
- }
- node = mem2node__node(&c2c.mem2node, sample->phys_addr);
- if (WARN_ONCE(node < 0, "WARNING: failed to find node\n"))
- return;
- set_bit(node, c2c_he->nodeset);
- if (c2c_he->paddr != sample->phys_addr) {
- c2c_he->paddr_cnt++;
- c2c_he->paddr = sample->phys_addr;
- }
- }
- static void compute_stats(struct c2c_hist_entry *c2c_he,
- struct c2c_stats *stats,
- u64 weight)
- {
- struct compute_stats *cstats = &c2c_he->cstats;
- if (stats->rmt_hitm)
- update_stats(&cstats->rmt_hitm, weight);
- else if (stats->lcl_hitm)
- update_stats(&cstats->lcl_hitm, weight);
- else if (stats->load)
- update_stats(&cstats->load, weight);
- }
- static int process_sample_event(struct perf_tool *tool __maybe_unused,
- union perf_event *event,
- struct perf_sample *sample,
- struct evsel *evsel,
- struct machine *machine)
- {
- struct c2c_hists *c2c_hists = &c2c.hists;
- struct c2c_hist_entry *c2c_he;
- struct c2c_stats stats = { .nr_entries = 0, };
- struct hist_entry *he;
- struct addr_location al;
- struct mem_info *mi, *mi_dup;
- int ret;
- if (machine__resolve(machine, &al, sample) < 0) {
- pr_debug("problem processing %d event, skipping it.\n",
- event->header.type);
- return -1;
- }
- if (c2c.stitch_lbr)
- al.thread->lbr_stitch_enable = true;
- ret = sample__resolve_callchain(sample, &callchain_cursor, NULL,
- evsel, &al, sysctl_perf_event_max_stack);
- if (ret)
- goto out;
- mi = sample__resolve_mem(sample, &al);
- if (mi == NULL)
- return -ENOMEM;
- /*
- * The mi object is released in hists__add_entry_ops,
- * if it gets sorted out into existing data, so we need
- * to take the copy now.
- */
- mi_dup = mem_info__get(mi);
- c2c_decode_stats(&stats, mi);
- he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
- &al, NULL, NULL, mi,
- sample, true);
- if (he == NULL)
- goto free_mi;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- c2c_add_stats(&c2c_he->stats, &stats);
- c2c_add_stats(&c2c_hists->stats, &stats);
- c2c_he__set_cpu(c2c_he, sample);
- c2c_he__set_node(c2c_he, sample);
- hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
- ret = hist_entry__append_callchain(he, sample);
- if (!ret) {
- /*
- * There's already been warning about missing
- * sample's cpu value. Let's account all to
- * node 0 in this case, without any further
- * warning.
- *
- * Doing node stats only for single callchain data.
- */
- int cpu = sample->cpu == (unsigned int) -1 ? 0 : sample->cpu;
- int node = c2c.cpu2node[cpu];
- mi = mi_dup;
- c2c_hists = he__get_c2c_hists(he, c2c.cl_sort, 2);
- if (!c2c_hists)
- goto free_mi;
- he = hists__add_entry_ops(&c2c_hists->hists, &c2c_entry_ops,
- &al, NULL, NULL, mi,
- sample, true);
- if (he == NULL)
- goto free_mi;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- c2c_add_stats(&c2c_he->stats, &stats);
- c2c_add_stats(&c2c_hists->stats, &stats);
- c2c_add_stats(&c2c_he->node_stats[node], &stats);
- compute_stats(c2c_he, &stats, sample->weight);
- c2c_he__set_cpu(c2c_he, sample);
- c2c_he__set_node(c2c_he, sample);
- hists__inc_nr_samples(&c2c_hists->hists, he->filtered);
- ret = hist_entry__append_callchain(he, sample);
- }
- out:
- addr_location__put(&al);
- return ret;
- free_mi:
- mem_info__put(mi_dup);
- mem_info__put(mi);
- ret = -ENOMEM;
- goto out;
- }
- static struct perf_c2c c2c = {
- .tool = {
- .sample = process_sample_event,
- .mmap = perf_event__process_mmap,
- .mmap2 = perf_event__process_mmap2,
- .comm = perf_event__process_comm,
- .exit = perf_event__process_exit,
- .fork = perf_event__process_fork,
- .lost = perf_event__process_lost,
- .ordered_events = true,
- .ordering_requires_timestamps = true,
- },
- };
- static const char * const c2c_usage[] = {
- "perf c2c {record|report}",
- NULL
- };
- static const char * const __usage_report[] = {
- "perf c2c report",
- NULL
- };
- static const char * const *report_c2c_usage = __usage_report;
- #define C2C_HEADER_MAX 2
- struct c2c_header {
- struct {
- const char *text;
- int span;
- } line[C2C_HEADER_MAX];
- };
- struct c2c_dimension {
- struct c2c_header header;
- const char *name;
- int width;
- struct sort_entry *se;
- int64_t (*cmp)(struct perf_hpp_fmt *fmt,
- struct hist_entry *, struct hist_entry *);
- int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he);
- int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he);
- };
- struct c2c_fmt {
- struct perf_hpp_fmt fmt;
- struct c2c_dimension *dim;
- };
- #define SYMBOL_WIDTH 30
- static struct c2c_dimension dim_symbol;
- static struct c2c_dimension dim_srcline;
- static int symbol_width(struct hists *hists, struct sort_entry *se)
- {
- int width = hists__col_len(hists, se->se_width_idx);
- if (!c2c.symbol_full)
- width = MIN(width, SYMBOL_WIDTH);
- return width;
- }
- static int c2c_width(struct perf_hpp_fmt *fmt,
- struct perf_hpp *hpp __maybe_unused,
- struct hists *hists)
- {
- struct c2c_fmt *c2c_fmt;
- struct c2c_dimension *dim;
- c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
- dim = c2c_fmt->dim;
- if (dim == &dim_symbol || dim == &dim_srcline)
- return symbol_width(hists, dim->se);
- return dim->se ? hists__col_len(hists, dim->se->se_width_idx) :
- c2c_fmt->dim->width;
- }
- static int c2c_header(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hists *hists, int line, int *span)
- {
- struct perf_hpp_list *hpp_list = hists->hpp_list;
- struct c2c_fmt *c2c_fmt;
- struct c2c_dimension *dim;
- const char *text = NULL;
- int width = c2c_width(fmt, hpp, hists);
- c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
- dim = c2c_fmt->dim;
- if (dim->se) {
- text = dim->header.line[line].text;
- /* Use the last line from sort_entry if not defined. */
- if (!text && (line == hpp_list->nr_header_lines - 1))
- text = dim->se->se_header;
- } else {
- text = dim->header.line[line].text;
- if (*span) {
- (*span)--;
- return 0;
- } else {
- *span = dim->header.line[line].span;
- }
- }
- if (text == NULL)
- text = "";
- return scnprintf(hpp->buf, hpp->size, "%*s", width, text);
- }
- #define HEX_STR(__s, __v) \
- ({ \
- scnprintf(__s, sizeof(__s), "0x%" PRIx64, __v); \
- __s; \
- })
- static int64_t
- dcacheline_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- return sort__dcacheline_cmp(left, right);
- }
- static int dcacheline_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- uint64_t addr = 0;
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[20];
- if (he->mem_info)
- addr = cl_address(he->mem_info->daddr.addr);
- return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
- }
- static int
- dcacheline_node_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- if (WARN_ON_ONCE(!c2c_he->nodestr))
- return 0;
- return scnprintf(hpp->buf, hpp->size, "%*s", width, c2c_he->nodestr);
- }
- static int
- dcacheline_node_count(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- return scnprintf(hpp->buf, hpp->size, "%*lu", width, c2c_he->paddr_cnt);
- }
- static int offset_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- uint64_t addr = 0;
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[20];
- if (he->mem_info)
- addr = cl_offset(he->mem_info->daddr.al_addr);
- return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
- }
- static int64_t
- offset_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- uint64_t l = 0, r = 0;
- if (left->mem_info)
- l = cl_offset(left->mem_info->daddr.addr);
- if (right->mem_info)
- r = cl_offset(right->mem_info->daddr.addr);
- return (int64_t)(r - l);
- }
- static int
- iaddr_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- uint64_t addr = 0;
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[20];
- if (he->mem_info)
- addr = he->mem_info->iaddr.addr;
- return scnprintf(hpp->buf, hpp->size, "%*s", width, HEX_STR(buf, addr));
- }
- static int64_t
- iaddr_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- return sort__iaddr_cmp(left, right);
- }
- static int
- tot_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- unsigned int tot_hitm;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- tot_hitm = c2c_he->stats.lcl_hitm + c2c_he->stats.rmt_hitm;
- return scnprintf(hpp->buf, hpp->size, "%*u", width, tot_hitm);
- }
- static int64_t
- tot_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- struct c2c_hist_entry *c2c_left;
- struct c2c_hist_entry *c2c_right;
- uint64_t tot_hitm_left;
- uint64_t tot_hitm_right;
- c2c_left = container_of(left, struct c2c_hist_entry, he);
- c2c_right = container_of(right, struct c2c_hist_entry, he);
- tot_hitm_left = c2c_left->stats.lcl_hitm + c2c_left->stats.rmt_hitm;
- tot_hitm_right = c2c_right->stats.lcl_hitm + c2c_right->stats.rmt_hitm;
- return tot_hitm_left - tot_hitm_right;
- }
- #define STAT_FN_ENTRY(__f) \
- static int \
- __f ## _entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, \
- struct hist_entry *he) \
- { \
- struct c2c_hist_entry *c2c_he; \
- int width = c2c_width(fmt, hpp, he->hists); \
- \
- c2c_he = container_of(he, struct c2c_hist_entry, he); \
- return scnprintf(hpp->buf, hpp->size, "%*u", width, \
- c2c_he->stats.__f); \
- }
- #define STAT_FN_CMP(__f) \
- static int64_t \
- __f ## _cmp(struct perf_hpp_fmt *fmt __maybe_unused, \
- struct hist_entry *left, struct hist_entry *right) \
- { \
- struct c2c_hist_entry *c2c_left, *c2c_right; \
- \
- c2c_left = container_of(left, struct c2c_hist_entry, he); \
- c2c_right = container_of(right, struct c2c_hist_entry, he); \
- return (uint64_t) c2c_left->stats.__f - \
- (uint64_t) c2c_right->stats.__f; \
- }
- #define STAT_FN(__f) \
- STAT_FN_ENTRY(__f) \
- STAT_FN_CMP(__f)
- STAT_FN(rmt_hitm)
- STAT_FN(lcl_hitm)
- STAT_FN(store)
- STAT_FN(st_l1hit)
- STAT_FN(st_l1miss)
- STAT_FN(ld_fbhit)
- STAT_FN(ld_l1hit)
- STAT_FN(ld_l2hit)
- STAT_FN(ld_llchit)
- STAT_FN(rmt_hit)
- static uint64_t total_records(struct c2c_stats *stats)
- {
- uint64_t lclmiss, ldcnt, total;
- lclmiss = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hitm +
- stats->rmt_hit;
- ldcnt = lclmiss +
- stats->ld_fbhit +
- stats->ld_l1hit +
- stats->ld_l2hit +
- stats->ld_llchit +
- stats->lcl_hitm;
- total = ldcnt +
- stats->st_l1hit +
- stats->st_l1miss;
- return total;
- }
- static int
- tot_recs_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- uint64_t tot_recs;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- tot_recs = total_records(&c2c_he->stats);
- return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
- }
- static int64_t
- tot_recs_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- struct c2c_hist_entry *c2c_left;
- struct c2c_hist_entry *c2c_right;
- uint64_t tot_recs_left;
- uint64_t tot_recs_right;
- c2c_left = container_of(left, struct c2c_hist_entry, he);
- c2c_right = container_of(right, struct c2c_hist_entry, he);
- tot_recs_left = total_records(&c2c_left->stats);
- tot_recs_right = total_records(&c2c_right->stats);
- return tot_recs_left - tot_recs_right;
- }
- static uint64_t total_loads(struct c2c_stats *stats)
- {
- uint64_t lclmiss, ldcnt;
- lclmiss = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hitm +
- stats->rmt_hit;
- ldcnt = lclmiss +
- stats->ld_fbhit +
- stats->ld_l1hit +
- stats->ld_l2hit +
- stats->ld_llchit +
- stats->lcl_hitm;
- return ldcnt;
- }
- static int
- tot_loads_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- uint64_t tot_recs;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- tot_recs = total_loads(&c2c_he->stats);
- return scnprintf(hpp->buf, hpp->size, "%*" PRIu64, width, tot_recs);
- }
- static int64_t
- tot_loads_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- struct c2c_hist_entry *c2c_left;
- struct c2c_hist_entry *c2c_right;
- uint64_t tot_recs_left;
- uint64_t tot_recs_right;
- c2c_left = container_of(left, struct c2c_hist_entry, he);
- c2c_right = container_of(right, struct c2c_hist_entry, he);
- tot_recs_left = total_loads(&c2c_left->stats);
- tot_recs_right = total_loads(&c2c_right->stats);
- return tot_recs_left - tot_recs_right;
- }
- typedef double (get_percent_cb)(struct c2c_hist_entry *);
- static int
- percent_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he, get_percent_cb get_percent)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- double per;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- per = get_percent(c2c_he);
- #ifdef HAVE_SLANG_SUPPORT
- if (use_browser)
- return __hpp__slsmg_color_printf(hpp, "%*.2f%%", width - 1, per);
- #endif
- return hpp_color_scnprintf(hpp, "%*.2f%%", width - 1, per);
- }
- static double percent_hitm(struct c2c_hist_entry *c2c_he)
- {
- struct c2c_hists *hists;
- struct c2c_stats *stats;
- struct c2c_stats *total;
- int tot = 0, st = 0;
- double p;
- hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
- stats = &c2c_he->stats;
- total = &hists->stats;
- switch (c2c.display) {
- case DISPLAY_RMT:
- st = stats->rmt_hitm;
- tot = total->rmt_hitm;
- break;
- case DISPLAY_LCL:
- st = stats->lcl_hitm;
- tot = total->lcl_hitm;
- break;
- case DISPLAY_TOT:
- st = stats->tot_hitm;
- tot = total->tot_hitm;
- default:
- break;
- }
- p = tot ? (double) st / tot : 0;
- return 100 * p;
- }
- #define PERC_STR(__s, __v) \
- ({ \
- scnprintf(__s, sizeof(__s), "%.2F%%", __v); \
- __s; \
- })
- static int
- percent_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[10];
- double per;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- per = percent_hitm(c2c_he);
- return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
- }
- static int
- percent_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- return percent_color(fmt, hpp, he, percent_hitm);
- }
- static int64_t
- percent_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- struct c2c_hist_entry *c2c_left;
- struct c2c_hist_entry *c2c_right;
- double per_left;
- double per_right;
- c2c_left = container_of(left, struct c2c_hist_entry, he);
- c2c_right = container_of(right, struct c2c_hist_entry, he);
- per_left = percent_hitm(c2c_left);
- per_right = percent_hitm(c2c_right);
- return per_left - per_right;
- }
- static struct c2c_stats *he_stats(struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- return &c2c_he->stats;
- }
- static struct c2c_stats *total_stats(struct hist_entry *he)
- {
- struct c2c_hists *hists;
- hists = container_of(he->hists, struct c2c_hists, hists);
- return &hists->stats;
- }
- static double percent(int st, int tot)
- {
- return tot ? 100. * (double) st / (double) tot : 0;
- }
- #define PERCENT(__h, __f) percent(he_stats(__h)->__f, total_stats(__h)->__f)
- #define PERCENT_FN(__f) \
- static double percent_ ## __f(struct c2c_hist_entry *c2c_he) \
- { \
- struct c2c_hists *hists; \
- \
- hists = container_of(c2c_he->he.hists, struct c2c_hists, hists); \
- return percent(c2c_he->stats.__f, hists->stats.__f); \
- }
- PERCENT_FN(rmt_hitm)
- PERCENT_FN(lcl_hitm)
- PERCENT_FN(st_l1hit)
- PERCENT_FN(st_l1miss)
- static int
- percent_rmt_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- double per = PERCENT(he, rmt_hitm);
- char buf[10];
- return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
- }
- static int
- percent_rmt_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- return percent_color(fmt, hpp, he, percent_rmt_hitm);
- }
- static int64_t
- percent_rmt_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- double per_left;
- double per_right;
- per_left = PERCENT(left, lcl_hitm);
- per_right = PERCENT(right, lcl_hitm);
- return per_left - per_right;
- }
- static int
- percent_lcl_hitm_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- double per = PERCENT(he, lcl_hitm);
- char buf[10];
- return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
- }
- static int
- percent_lcl_hitm_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- return percent_color(fmt, hpp, he, percent_lcl_hitm);
- }
- static int64_t
- percent_lcl_hitm_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- double per_left;
- double per_right;
- per_left = PERCENT(left, lcl_hitm);
- per_right = PERCENT(right, lcl_hitm);
- return per_left - per_right;
- }
- static int
- percent_stores_l1hit_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- double per = PERCENT(he, st_l1hit);
- char buf[10];
- return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
- }
- static int
- percent_stores_l1hit_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- return percent_color(fmt, hpp, he, percent_st_l1hit);
- }
- static int64_t
- percent_stores_l1hit_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- double per_left;
- double per_right;
- per_left = PERCENT(left, st_l1hit);
- per_right = PERCENT(right, st_l1hit);
- return per_left - per_right;
- }
- static int
- percent_stores_l1miss_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- double per = PERCENT(he, st_l1miss);
- char buf[10];
- return scnprintf(hpp->buf, hpp->size, "%*s", width, PERC_STR(buf, per));
- }
- static int
- percent_stores_l1miss_color(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- return percent_color(fmt, hpp, he, percent_st_l1miss);
- }
- static int64_t
- percent_stores_l1miss_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- double per_left;
- double per_right;
- per_left = PERCENT(left, st_l1miss);
- per_right = PERCENT(right, st_l1miss);
- return per_left - per_right;
- }
- STAT_FN(lcl_dram)
- STAT_FN(rmt_dram)
- static int
- pid_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- return scnprintf(hpp->buf, hpp->size, "%*d", width, he->thread->pid_);
- }
- static int64_t
- pid_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left, struct hist_entry *right)
- {
- return left->thread->pid_ - right->thread->pid_;
- }
- static int64_t
- empty_cmp(struct perf_hpp_fmt *fmt __maybe_unused,
- struct hist_entry *left __maybe_unused,
- struct hist_entry *right __maybe_unused)
- {
- return 0;
- }
- static int
- node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- bool first = true;
- int node;
- int ret = 0;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- for (node = 0; node < c2c.nodes_cnt; node++) {
- DECLARE_BITMAP(set, c2c.cpus_cnt);
- bitmap_zero(set, c2c.cpus_cnt);
- bitmap_and(set, c2c_he->cpuset, c2c.nodes[node], c2c.cpus_cnt);
- if (!bitmap_weight(set, c2c.cpus_cnt)) {
- if (c2c.node_info == 1) {
- ret = scnprintf(hpp->buf, hpp->size, "%21s", " ");
- advance_hpp(hpp, ret);
- }
- continue;
- }
- if (!first) {
- ret = scnprintf(hpp->buf, hpp->size, " ");
- advance_hpp(hpp, ret);
- }
- switch (c2c.node_info) {
- case 0:
- ret = scnprintf(hpp->buf, hpp->size, "%2d", node);
- advance_hpp(hpp, ret);
- break;
- case 1:
- {
- int num = bitmap_weight(set, c2c.cpus_cnt);
- struct c2c_stats *stats = &c2c_he->node_stats[node];
- ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);
- advance_hpp(hpp, ret);
- #define DISPLAY_HITM(__h) \
- if (c2c_he->stats.__h> 0) { \
- ret = scnprintf(hpp->buf, hpp->size, "%5.1f%% ", \
- percent(stats->__h, c2c_he->stats.__h));\
- } else { \
- ret = scnprintf(hpp->buf, hpp->size, "%6s ", "n/a"); \
- }
- switch (c2c.display) {
- case DISPLAY_RMT:
- DISPLAY_HITM(rmt_hitm);
- break;
- case DISPLAY_LCL:
- DISPLAY_HITM(lcl_hitm);
- break;
- case DISPLAY_TOT:
- DISPLAY_HITM(tot_hitm);
- default:
- break;
- }
- #undef DISPLAY_HITM
- advance_hpp(hpp, ret);
- if (c2c_he->stats.store > 0) {
- ret = scnprintf(hpp->buf, hpp->size, "%5.1f%%}",
- percent(stats->store, c2c_he->stats.store));
- } else {
- ret = scnprintf(hpp->buf, hpp->size, "%6s}", "n/a");
- }
- advance_hpp(hpp, ret);
- break;
- }
- case 2:
- ret = scnprintf(hpp->buf, hpp->size, "%2d{", node);
- advance_hpp(hpp, ret);
- ret = bitmap_scnprintf(set, c2c.cpus_cnt, hpp->buf, hpp->size);
- advance_hpp(hpp, ret);
- ret = scnprintf(hpp->buf, hpp->size, "}");
- advance_hpp(hpp, ret);
- break;
- default:
- break;
- }
- first = false;
- }
- return 0;
- }
- static int
- mean_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he, double mean)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[10];
- scnprintf(buf, 10, "%6.0f", mean);
- return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
- }
- #define MEAN_ENTRY(__func, __val) \
- static int \
- __func(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp, struct hist_entry *he) \
- { \
- struct c2c_hist_entry *c2c_he; \
- c2c_he = container_of(he, struct c2c_hist_entry, he); \
- return mean_entry(fmt, hpp, he, avg_stats(&c2c_he->cstats.__val)); \
- }
- MEAN_ENTRY(mean_rmt_entry, rmt_hitm);
- MEAN_ENTRY(mean_lcl_entry, lcl_hitm);
- MEAN_ENTRY(mean_load_entry, load);
- static int
- cpucnt_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[10];
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- scnprintf(buf, 10, "%d", bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt));
- return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
- }
- static int
- cl_idx_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- int width = c2c_width(fmt, hpp, he->hists);
- char buf[10];
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- scnprintf(buf, 10, "%u", c2c_he->cacheline_idx);
- return scnprintf(hpp->buf, hpp->size, "%*s", width, buf);
- }
- static int
- cl_idx_empty_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- int width = c2c_width(fmt, hpp, he->hists);
- return scnprintf(hpp->buf, hpp->size, "%*s", width, "");
- }
- #define HEADER_LOW(__h) \
- { \
- .line[1] = { \
- .text = __h, \
- }, \
- }
- #define HEADER_BOTH(__h0, __h1) \
- { \
- .line[0] = { \
- .text = __h0, \
- }, \
- .line[1] = { \
- .text = __h1, \
- }, \
- }
- #define HEADER_SPAN(__h0, __h1, __s) \
- { \
- .line[0] = { \
- .text = __h0, \
- .span = __s, \
- }, \
- .line[1] = { \
- .text = __h1, \
- }, \
- }
- #define HEADER_SPAN_LOW(__h) \
- { \
- .line[1] = { \
- .text = __h, \
- }, \
- }
- static struct c2c_dimension dim_dcacheline = {
- .header = HEADER_SPAN("--- Cacheline ----", "Address", 2),
- .name = "dcacheline",
- .cmp = dcacheline_cmp,
- .entry = dcacheline_entry,
- .width = 18,
- };
- static struct c2c_dimension dim_dcacheline_node = {
- .header = HEADER_LOW("Node"),
- .name = "dcacheline_node",
- .cmp = empty_cmp,
- .entry = dcacheline_node_entry,
- .width = 4,
- };
- static struct c2c_dimension dim_dcacheline_count = {
- .header = HEADER_LOW("PA cnt"),
- .name = "dcacheline_count",
- .cmp = empty_cmp,
- .entry = dcacheline_node_count,
- .width = 6,
- };
- static struct c2c_header header_offset_tui = HEADER_SPAN("-----", "Off", 2);
- static struct c2c_dimension dim_offset = {
- .header = HEADER_SPAN("--- Data address -", "Offset", 2),
- .name = "offset",
- .cmp = offset_cmp,
- .entry = offset_entry,
- .width = 18,
- };
- static struct c2c_dimension dim_offset_node = {
- .header = HEADER_LOW("Node"),
- .name = "offset_node",
- .cmp = empty_cmp,
- .entry = dcacheline_node_entry,
- .width = 4,
- };
- static struct c2c_dimension dim_iaddr = {
- .header = HEADER_LOW("Code address"),
- .name = "iaddr",
- .cmp = iaddr_cmp,
- .entry = iaddr_entry,
- .width = 18,
- };
- static struct c2c_dimension dim_tot_hitm = {
- .header = HEADER_SPAN("------- Load Hitm -------", "Total", 2),
- .name = "tot_hitm",
- .cmp = tot_hitm_cmp,
- .entry = tot_hitm_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_lcl_hitm = {
- .header = HEADER_SPAN_LOW("LclHitm"),
- .name = "lcl_hitm",
- .cmp = lcl_hitm_cmp,
- .entry = lcl_hitm_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_rmt_hitm = {
- .header = HEADER_SPAN_LOW("RmtHitm"),
- .name = "rmt_hitm",
- .cmp = rmt_hitm_cmp,
- .entry = rmt_hitm_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_cl_rmt_hitm = {
- .header = HEADER_SPAN("----- HITM -----", "Rmt", 1),
- .name = "cl_rmt_hitm",
- .cmp = rmt_hitm_cmp,
- .entry = rmt_hitm_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_cl_lcl_hitm = {
- .header = HEADER_SPAN_LOW("Lcl"),
- .name = "cl_lcl_hitm",
- .cmp = lcl_hitm_cmp,
- .entry = lcl_hitm_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_tot_stores = {
- .header = HEADER_BOTH("Total", "Stores"),
- .name = "tot_stores",
- .cmp = store_cmp,
- .entry = store_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_stores_l1hit = {
- .header = HEADER_SPAN("---- Stores ----", "L1Hit", 1),
- .name = "stores_l1hit",
- .cmp = st_l1hit_cmp,
- .entry = st_l1hit_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_stores_l1miss = {
- .header = HEADER_SPAN_LOW("L1Miss"),
- .name = "stores_l1miss",
- .cmp = st_l1miss_cmp,
- .entry = st_l1miss_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_cl_stores_l1hit = {
- .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
- .name = "cl_stores_l1hit",
- .cmp = st_l1hit_cmp,
- .entry = st_l1hit_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_cl_stores_l1miss = {
- .header = HEADER_SPAN_LOW("L1 Miss"),
- .name = "cl_stores_l1miss",
- .cmp = st_l1miss_cmp,
- .entry = st_l1miss_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_ld_fbhit = {
- .header = HEADER_SPAN("----- Core Load Hit -----", "FB", 2),
- .name = "ld_fbhit",
- .cmp = ld_fbhit_cmp,
- .entry = ld_fbhit_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_ld_l1hit = {
- .header = HEADER_SPAN_LOW("L1"),
- .name = "ld_l1hit",
- .cmp = ld_l1hit_cmp,
- .entry = ld_l1hit_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_ld_l2hit = {
- .header = HEADER_SPAN_LOW("L2"),
- .name = "ld_l2hit",
- .cmp = ld_l2hit_cmp,
- .entry = ld_l2hit_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_ld_llchit = {
- .header = HEADER_SPAN("- LLC Load Hit --", "LclHit", 1),
- .name = "ld_lclhit",
- .cmp = ld_llchit_cmp,
- .entry = ld_llchit_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_ld_rmthit = {
- .header = HEADER_SPAN("- RMT Load Hit --", "RmtHit", 1),
- .name = "ld_rmthit",
- .cmp = rmt_hit_cmp,
- .entry = rmt_hit_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_tot_recs = {
- .header = HEADER_BOTH("Total", "records"),
- .name = "tot_recs",
- .cmp = tot_recs_cmp,
- .entry = tot_recs_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_tot_loads = {
- .header = HEADER_BOTH("Total", "Loads"),
- .name = "tot_loads",
- .cmp = tot_loads_cmp,
- .entry = tot_loads_entry,
- .width = 7,
- };
- static struct c2c_header percent_hitm_header[] = {
- [DISPLAY_LCL] = HEADER_BOTH("Lcl", "Hitm"),
- [DISPLAY_RMT] = HEADER_BOTH("Rmt", "Hitm"),
- [DISPLAY_TOT] = HEADER_BOTH("Tot", "Hitm"),
- };
- static struct c2c_dimension dim_percent_hitm = {
- .name = "percent_hitm",
- .cmp = percent_hitm_cmp,
- .entry = percent_hitm_entry,
- .color = percent_hitm_color,
- .width = 7,
- };
- static struct c2c_dimension dim_percent_rmt_hitm = {
- .header = HEADER_SPAN("----- HITM -----", "RmtHitm", 1),
- .name = "percent_rmt_hitm",
- .cmp = percent_rmt_hitm_cmp,
- .entry = percent_rmt_hitm_entry,
- .color = percent_rmt_hitm_color,
- .width = 7,
- };
- static struct c2c_dimension dim_percent_lcl_hitm = {
- .header = HEADER_SPAN_LOW("LclHitm"),
- .name = "percent_lcl_hitm",
- .cmp = percent_lcl_hitm_cmp,
- .entry = percent_lcl_hitm_entry,
- .color = percent_lcl_hitm_color,
- .width = 7,
- };
- static struct c2c_dimension dim_percent_stores_l1hit = {
- .header = HEADER_SPAN("-- Store Refs --", "L1 Hit", 1),
- .name = "percent_stores_l1hit",
- .cmp = percent_stores_l1hit_cmp,
- .entry = percent_stores_l1hit_entry,
- .color = percent_stores_l1hit_color,
- .width = 7,
- };
- static struct c2c_dimension dim_percent_stores_l1miss = {
- .header = HEADER_SPAN_LOW("L1 Miss"),
- .name = "percent_stores_l1miss",
- .cmp = percent_stores_l1miss_cmp,
- .entry = percent_stores_l1miss_entry,
- .color = percent_stores_l1miss_color,
- .width = 7,
- };
- static struct c2c_dimension dim_dram_lcl = {
- .header = HEADER_SPAN("--- Load Dram ----", "Lcl", 1),
- .name = "dram_lcl",
- .cmp = lcl_dram_cmp,
- .entry = lcl_dram_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_dram_rmt = {
- .header = HEADER_SPAN_LOW("Rmt"),
- .name = "dram_rmt",
- .cmp = rmt_dram_cmp,
- .entry = rmt_dram_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_pid = {
- .header = HEADER_LOW("Pid"),
- .name = "pid",
- .cmp = pid_cmp,
- .entry = pid_entry,
- .width = 7,
- };
- static struct c2c_dimension dim_tid = {
- .header = HEADER_LOW("Tid"),
- .name = "tid",
- .se = &sort_thread,
- };
- static struct c2c_dimension dim_symbol = {
- .name = "symbol",
- .se = &sort_sym,
- };
- static struct c2c_dimension dim_dso = {
- .header = HEADER_BOTH("Shared", "Object"),
- .name = "dso",
- .se = &sort_dso,
- };
- static struct c2c_header header_node[3] = {
- HEADER_LOW("Node"),
- HEADER_LOW("Node{cpus %hitms %stores}"),
- HEADER_LOW("Node{cpu list}"),
- };
- static struct c2c_dimension dim_node = {
- .name = "node",
- .cmp = empty_cmp,
- .entry = node_entry,
- .width = 4,
- };
- static struct c2c_dimension dim_mean_rmt = {
- .header = HEADER_SPAN("---------- cycles ----------", "rmt hitm", 2),
- .name = "mean_rmt",
- .cmp = empty_cmp,
- .entry = mean_rmt_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_mean_lcl = {
- .header = HEADER_SPAN_LOW("lcl hitm"),
- .name = "mean_lcl",
- .cmp = empty_cmp,
- .entry = mean_lcl_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_mean_load = {
- .header = HEADER_SPAN_LOW("load"),
- .name = "mean_load",
- .cmp = empty_cmp,
- .entry = mean_load_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_cpucnt = {
- .header = HEADER_BOTH("cpu", "cnt"),
- .name = "cpucnt",
- .cmp = empty_cmp,
- .entry = cpucnt_entry,
- .width = 8,
- };
- static struct c2c_dimension dim_srcline = {
- .name = "cl_srcline",
- .se = &sort_srcline,
- };
- static struct c2c_dimension dim_dcacheline_idx = {
- .header = HEADER_LOW("Index"),
- .name = "cl_idx",
- .cmp = empty_cmp,
- .entry = cl_idx_entry,
- .width = 5,
- };
- static struct c2c_dimension dim_dcacheline_num = {
- .header = HEADER_LOW("Num"),
- .name = "cl_num",
- .cmp = empty_cmp,
- .entry = cl_idx_entry,
- .width = 5,
- };
- static struct c2c_dimension dim_dcacheline_num_empty = {
- .header = HEADER_LOW("Num"),
- .name = "cl_num_empty",
- .cmp = empty_cmp,
- .entry = cl_idx_empty_entry,
- .width = 5,
- };
- static struct c2c_dimension *dimensions[] = {
- &dim_dcacheline,
- &dim_dcacheline_node,
- &dim_dcacheline_count,
- &dim_offset,
- &dim_offset_node,
- &dim_iaddr,
- &dim_tot_hitm,
- &dim_lcl_hitm,
- &dim_rmt_hitm,
- &dim_cl_lcl_hitm,
- &dim_cl_rmt_hitm,
- &dim_tot_stores,
- &dim_stores_l1hit,
- &dim_stores_l1miss,
- &dim_cl_stores_l1hit,
- &dim_cl_stores_l1miss,
- &dim_ld_fbhit,
- &dim_ld_l1hit,
- &dim_ld_l2hit,
- &dim_ld_llchit,
- &dim_ld_rmthit,
- &dim_tot_recs,
- &dim_tot_loads,
- &dim_percent_hitm,
- &dim_percent_rmt_hitm,
- &dim_percent_lcl_hitm,
- &dim_percent_stores_l1hit,
- &dim_percent_stores_l1miss,
- &dim_dram_lcl,
- &dim_dram_rmt,
- &dim_pid,
- &dim_tid,
- &dim_symbol,
- &dim_dso,
- &dim_node,
- &dim_mean_rmt,
- &dim_mean_lcl,
- &dim_mean_load,
- &dim_cpucnt,
- &dim_srcline,
- &dim_dcacheline_idx,
- &dim_dcacheline_num,
- &dim_dcacheline_num_empty,
- NULL,
- };
- static void fmt_free(struct perf_hpp_fmt *fmt)
- {
- struct c2c_fmt *c2c_fmt;
- c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
- free(c2c_fmt);
- }
- static bool fmt_equal(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b)
- {
- struct c2c_fmt *c2c_a = container_of(a, struct c2c_fmt, fmt);
- struct c2c_fmt *c2c_b = container_of(b, struct c2c_fmt, fmt);
- return c2c_a->dim == c2c_b->dim;
- }
- static struct c2c_dimension *get_dimension(const char *name)
- {
- unsigned int i;
- for (i = 0; dimensions[i]; i++) {
- struct c2c_dimension *dim = dimensions[i];
- if (!strcmp(dim->name, name))
- return dim;
- }
- return NULL;
- }
- static int c2c_se_entry(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
- struct hist_entry *he)
- {
- struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
- struct c2c_dimension *dim = c2c_fmt->dim;
- size_t len = fmt->user_len;
- if (!len) {
- len = hists__col_len(he->hists, dim->se->se_width_idx);
- if (dim == &dim_symbol || dim == &dim_srcline)
- len = symbol_width(he->hists, dim->se);
- }
- return dim->se->se_snprintf(he, hpp->buf, hpp->size, len);
- }
- static int64_t c2c_se_cmp(struct perf_hpp_fmt *fmt,
- struct hist_entry *a, struct hist_entry *b)
- {
- struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
- struct c2c_dimension *dim = c2c_fmt->dim;
- return dim->se->se_cmp(a, b);
- }
- static int64_t c2c_se_collapse(struct perf_hpp_fmt *fmt,
- struct hist_entry *a, struct hist_entry *b)
- {
- struct c2c_fmt *c2c_fmt = container_of(fmt, struct c2c_fmt, fmt);
- struct c2c_dimension *dim = c2c_fmt->dim;
- int64_t (*collapse_fn)(struct hist_entry *, struct hist_entry *);
- collapse_fn = dim->se->se_collapse ?: dim->se->se_cmp;
- return collapse_fn(a, b);
- }
- static struct c2c_fmt *get_format(const char *name)
- {
- struct c2c_dimension *dim = get_dimension(name);
- struct c2c_fmt *c2c_fmt;
- struct perf_hpp_fmt *fmt;
- if (!dim)
- return NULL;
- c2c_fmt = zalloc(sizeof(*c2c_fmt));
- if (!c2c_fmt)
- return NULL;
- c2c_fmt->dim = dim;
- fmt = &c2c_fmt->fmt;
- INIT_LIST_HEAD(&fmt->list);
- INIT_LIST_HEAD(&fmt->sort_list);
- fmt->cmp = dim->se ? c2c_se_cmp : dim->cmp;
- fmt->sort = dim->se ? c2c_se_cmp : dim->cmp;
- fmt->color = dim->se ? NULL : dim->color;
- fmt->entry = dim->se ? c2c_se_entry : dim->entry;
- fmt->header = c2c_header;
- fmt->width = c2c_width;
- fmt->collapse = dim->se ? c2c_se_collapse : dim->cmp;
- fmt->equal = fmt_equal;
- fmt->free = fmt_free;
- return c2c_fmt;
- }
- static int c2c_hists__init_output(struct perf_hpp_list *hpp_list, char *name)
- {
- struct c2c_fmt *c2c_fmt = get_format(name);
- if (!c2c_fmt) {
- reset_dimensions();
- return output_field_add(hpp_list, name);
- }
- perf_hpp_list__column_register(hpp_list, &c2c_fmt->fmt);
- return 0;
- }
- static int c2c_hists__init_sort(struct perf_hpp_list *hpp_list, char *name)
- {
- struct c2c_fmt *c2c_fmt = get_format(name);
- struct c2c_dimension *dim;
- if (!c2c_fmt) {
- reset_dimensions();
- return sort_dimension__add(hpp_list, name, NULL, 0);
- }
- dim = c2c_fmt->dim;
- if (dim == &dim_dso)
- hpp_list->dso = 1;
- perf_hpp_list__register_sort_field(hpp_list, &c2c_fmt->fmt);
- return 0;
- }
- #define PARSE_LIST(_list, _fn) \
- do { \
- char *tmp, *tok; \
- ret = 0; \
- \
- if (!_list) \
- break; \
- \
- for (tok = strtok_r((char *)_list, ", ", &tmp); \
- tok; tok = strtok_r(NULL, ", ", &tmp)) { \
- ret = _fn(hpp_list, tok); \
- if (ret == -EINVAL) { \
- pr_err("Invalid --fields key: `%s'", tok); \
- break; \
- } else if (ret == -ESRCH) { \
- pr_err("Unknown --fields key: `%s'", tok); \
- break; \
- } \
- } \
- } while (0)
- static int hpp_list__parse(struct perf_hpp_list *hpp_list,
- const char *output_,
- const char *sort_)
- {
- char *output = output_ ? strdup(output_) : NULL;
- char *sort = sort_ ? strdup(sort_) : NULL;
- int ret;
- PARSE_LIST(output, c2c_hists__init_output);
- PARSE_LIST(sort, c2c_hists__init_sort);
- /* copy sort keys to output fields */
- perf_hpp__setup_output_field(hpp_list);
- /*
- * We dont need other sorting keys other than those
- * we already specified. It also really slows down
- * the processing a lot with big number of output
- * fields, so switching this off for c2c.
- */
- #if 0
- /* and then copy output fields to sort keys */
- perf_hpp__append_sort_keys(&hists->list);
- #endif
- free(output);
- free(sort);
- return ret;
- }
- static int c2c_hists__init(struct c2c_hists *hists,
- const char *sort,
- int nr_header_lines)
- {
- __hists__init(&hists->hists, &hists->list);
- /*
- * Initialize only with sort fields, we need to resort
- * later anyway, and that's where we add output fields
- * as well.
- */
- perf_hpp_list__init(&hists->list);
- /* Overload number of header lines.*/
- hists->list.nr_header_lines = nr_header_lines;
- return hpp_list__parse(&hists->list, NULL, sort);
- }
- static int c2c_hists__reinit(struct c2c_hists *c2c_hists,
- const char *output,
- const char *sort)
- {
- perf_hpp__reset_output_field(&c2c_hists->list);
- return hpp_list__parse(&c2c_hists->list, output, sort);
- }
- #define DISPLAY_LINE_LIMIT 0.001
- static bool he__display(struct hist_entry *he, struct c2c_stats *stats)
- {
- struct c2c_hist_entry *c2c_he;
- double ld_dist;
- if (c2c.show_all)
- return true;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- #define FILTER_HITM(__h) \
- if (stats->__h) { \
- ld_dist = ((double)c2c_he->stats.__h / stats->__h); \
- if (ld_dist < DISPLAY_LINE_LIMIT) \
- he->filtered = HIST_FILTER__C2C; \
- } else { \
- he->filtered = HIST_FILTER__C2C; \
- }
- switch (c2c.display) {
- case DISPLAY_LCL:
- FILTER_HITM(lcl_hitm);
- break;
- case DISPLAY_RMT:
- FILTER_HITM(rmt_hitm);
- break;
- case DISPLAY_TOT:
- FILTER_HITM(tot_hitm);
- default:
- break;
- }
- #undef FILTER_HITM
- return he->filtered == 0;
- }
- static inline int valid_hitm_or_store(struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- bool has_hitm;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- has_hitm = c2c.display == DISPLAY_TOT ? c2c_he->stats.tot_hitm :
- c2c.display == DISPLAY_LCL ? c2c_he->stats.lcl_hitm :
- c2c_he->stats.rmt_hitm;
- return has_hitm || c2c_he->stats.store;
- }
- static void set_node_width(struct c2c_hist_entry *c2c_he, int len)
- {
- struct c2c_dimension *dim;
- dim = &c2c.hists == c2c_he->hists ?
- &dim_dcacheline_node : &dim_offset_node;
- if (len > dim->width)
- dim->width = len;
- }
- static int set_nodestr(struct c2c_hist_entry *c2c_he)
- {
- char buf[30];
- int len;
- if (c2c_he->nodestr)
- return 0;
- if (bitmap_weight(c2c_he->nodeset, c2c.nodes_cnt)) {
- len = bitmap_scnprintf(c2c_he->nodeset, c2c.nodes_cnt,
- buf, sizeof(buf));
- } else {
- len = scnprintf(buf, sizeof(buf), "N/A");
- }
- set_node_width(c2c_he, len);
- c2c_he->nodestr = strdup(buf);
- return c2c_he->nodestr ? 0 : -ENOMEM;
- }
- static void calc_width(struct c2c_hist_entry *c2c_he)
- {
- struct c2c_hists *c2c_hists;
- c2c_hists = container_of(c2c_he->he.hists, struct c2c_hists, hists);
- hists__calc_col_len(&c2c_hists->hists, &c2c_he->he);
- set_nodestr(c2c_he);
- }
- static int filter_cb(struct hist_entry *he, void *arg __maybe_unused)
- {
- struct c2c_hist_entry *c2c_he;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- if (c2c.show_src && !he->srcline)
- he->srcline = hist_entry__srcline(he);
- calc_width(c2c_he);
- if (!valid_hitm_or_store(he))
- he->filtered = HIST_FILTER__C2C;
- return 0;
- }
- static int resort_cl_cb(struct hist_entry *he, void *arg __maybe_unused)
- {
- struct c2c_hist_entry *c2c_he;
- struct c2c_hists *c2c_hists;
- bool display = he__display(he, &c2c.hitm_stats);
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- c2c_hists = c2c_he->hists;
- if (display && c2c_hists) {
- static unsigned int idx;
- c2c_he->cacheline_idx = idx++;
- calc_width(c2c_he);
- c2c_hists__reinit(c2c_hists, c2c.cl_output, c2c.cl_resort);
- hists__collapse_resort(&c2c_hists->hists, NULL);
- hists__output_resort_cb(&c2c_hists->hists, NULL, filter_cb);
- }
- return 0;
- }
- static void setup_nodes_header(void)
- {
- dim_node.header = header_node[c2c.node_info];
- }
- static int setup_nodes(struct perf_session *session)
- {
- struct numa_node *n;
- unsigned long **nodes;
- int node, cpu;
- int *cpu2node;
- if (c2c.node_info > 2)
- c2c.node_info = 2;
- c2c.nodes_cnt = session->header.env.nr_numa_nodes;
- c2c.cpus_cnt = session->header.env.nr_cpus_avail;
- n = session->header.env.numa_nodes;
- if (!n)
- return -EINVAL;
- nodes = zalloc(sizeof(unsigned long *) * c2c.nodes_cnt);
- if (!nodes)
- return -ENOMEM;
- c2c.nodes = nodes;
- cpu2node = zalloc(sizeof(int) * c2c.cpus_cnt);
- if (!cpu2node)
- return -ENOMEM;
- for (cpu = 0; cpu < c2c.cpus_cnt; cpu++)
- cpu2node[cpu] = -1;
- c2c.cpu2node = cpu2node;
- for (node = 0; node < c2c.nodes_cnt; node++) {
- struct perf_cpu_map *map = n[node].map;
- unsigned long *set;
- set = bitmap_alloc(c2c.cpus_cnt);
- if (!set)
- return -ENOMEM;
- nodes[node] = set;
- /* empty node, skip */
- if (perf_cpu_map__empty(map))
- continue;
- for (cpu = 0; cpu < map->nr; cpu++) {
- set_bit(map->map[cpu], set);
- if (WARN_ONCE(cpu2node[map->map[cpu]] != -1, "node/cpu topology bug"))
- return -EINVAL;
- cpu2node[map->map[cpu]] = node;
- }
- }
- setup_nodes_header();
- return 0;
- }
- #define HAS_HITMS(__h) ((__h)->stats.lcl_hitm || (__h)->stats.rmt_hitm)
- static int resort_hitm_cb(struct hist_entry *he, void *arg __maybe_unused)
- {
- struct c2c_hist_entry *c2c_he;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- if (HAS_HITMS(c2c_he)) {
- c2c.shared_clines++;
- c2c_add_stats(&c2c.hitm_stats, &c2c_he->stats);
- }
- return 0;
- }
- static int hists__iterate_cb(struct hists *hists, hists__resort_cb_t cb)
- {
- struct rb_node *next = rb_first_cached(&hists->entries);
- int ret = 0;
- while (next) {
- struct hist_entry *he;
- he = rb_entry(next, struct hist_entry, rb_node);
- ret = cb(he, NULL);
- if (ret)
- break;
- next = rb_next(&he->rb_node);
- }
- return ret;
- }
- static void print_c2c__display_stats(FILE *out)
- {
- int llc_misses;
- struct c2c_stats *stats = &c2c.hists.stats;
- llc_misses = stats->lcl_dram +
- stats->rmt_dram +
- stats->rmt_hit +
- stats->rmt_hitm;
- fprintf(out, "=================================================\n");
- fprintf(out, " Trace Event Information \n");
- fprintf(out, "=================================================\n");
- fprintf(out, " Total records : %10d\n", stats->nr_entries);
- fprintf(out, " Locked Load/Store Operations : %10d\n", stats->locks);
- fprintf(out, " Load Operations : %10d\n", stats->load);
- fprintf(out, " Loads - uncacheable : %10d\n", stats->ld_uncache);
- fprintf(out, " Loads - IO : %10d\n", stats->ld_io);
- fprintf(out, " Loads - Miss : %10d\n", stats->ld_miss);
- fprintf(out, " Loads - no mapping : %10d\n", stats->ld_noadrs);
- fprintf(out, " Load Fill Buffer Hit : %10d\n", stats->ld_fbhit);
- fprintf(out, " Load L1D hit : %10d\n", stats->ld_l1hit);
- fprintf(out, " Load L2D hit : %10d\n", stats->ld_l2hit);
- fprintf(out, " Load LLC hit : %10d\n", stats->ld_llchit + stats->lcl_hitm);
- fprintf(out, " Load Local HITM : %10d\n", stats->lcl_hitm);
- fprintf(out, " Load Remote HITM : %10d\n", stats->rmt_hitm);
- fprintf(out, " Load Remote HIT : %10d\n", stats->rmt_hit);
- fprintf(out, " Load Local DRAM : %10d\n", stats->lcl_dram);
- fprintf(out, " Load Remote DRAM : %10d\n", stats->rmt_dram);
- fprintf(out, " Load MESI State Exclusive : %10d\n", stats->ld_excl);
- fprintf(out, " Load MESI State Shared : %10d\n", stats->ld_shared);
- fprintf(out, " Load LLC Misses : %10d\n", llc_misses);
- fprintf(out, " LLC Misses to Local DRAM : %10.1f%%\n", ((double)stats->lcl_dram/(double)llc_misses) * 100.);
- fprintf(out, " LLC Misses to Remote DRAM : %10.1f%%\n", ((double)stats->rmt_dram/(double)llc_misses) * 100.);
- fprintf(out, " LLC Misses to Remote cache (HIT) : %10.1f%%\n", ((double)stats->rmt_hit /(double)llc_misses) * 100.);
- fprintf(out, " LLC Misses to Remote cache (HITM) : %10.1f%%\n", ((double)stats->rmt_hitm/(double)llc_misses) * 100.);
- fprintf(out, " Store Operations : %10d\n", stats->store);
- fprintf(out, " Store - uncacheable : %10d\n", stats->st_uncache);
- fprintf(out, " Store - no mapping : %10d\n", stats->st_noadrs);
- fprintf(out, " Store L1D Hit : %10d\n", stats->st_l1hit);
- fprintf(out, " Store L1D Miss : %10d\n", stats->st_l1miss);
- fprintf(out, " No Page Map Rejects : %10d\n", stats->nomap);
- fprintf(out, " Unable to parse data source : %10d\n", stats->noparse);
- }
- static void print_shared_cacheline_info(FILE *out)
- {
- struct c2c_stats *stats = &c2c.hitm_stats;
- int hitm_cnt = stats->lcl_hitm + stats->rmt_hitm;
- fprintf(out, "=================================================\n");
- fprintf(out, " Global Shared Cache Line Event Information \n");
- fprintf(out, "=================================================\n");
- fprintf(out, " Total Shared Cache Lines : %10d\n", c2c.shared_clines);
- fprintf(out, " Load HITs on shared lines : %10d\n", stats->load);
- fprintf(out, " Fill Buffer Hits on shared lines : %10d\n", stats->ld_fbhit);
- fprintf(out, " L1D hits on shared lines : %10d\n", stats->ld_l1hit);
- fprintf(out, " L2D hits on shared lines : %10d\n", stats->ld_l2hit);
- fprintf(out, " LLC hits on shared lines : %10d\n", stats->ld_llchit + stats->lcl_hitm);
- fprintf(out, " Locked Access on shared lines : %10d\n", stats->locks);
- fprintf(out, " Store HITs on shared lines : %10d\n", stats->store);
- fprintf(out, " Store L1D hits on shared lines : %10d\n", stats->st_l1hit);
- fprintf(out, " Total Merged records : %10d\n", hitm_cnt + stats->store);
- }
- static void print_cacheline(struct c2c_hists *c2c_hists,
- struct hist_entry *he_cl,
- struct perf_hpp_list *hpp_list,
- FILE *out)
- {
- char bf[1000];
- struct perf_hpp hpp = {
- .buf = bf,
- .size = 1000,
- };
- static bool once;
- if (!once) {
- hists__fprintf_headers(&c2c_hists->hists, out);
- once = true;
- } else {
- fprintf(out, "\n");
- }
- fprintf(out, " -------------------------------------------------------------\n");
- __hist_entry__snprintf(he_cl, &hpp, hpp_list);
- fprintf(out, "%s\n", bf);
- fprintf(out, " -------------------------------------------------------------\n");
- hists__fprintf(&c2c_hists->hists, false, 0, 0, 0, out, false);
- }
- static void print_pareto(FILE *out)
- {
- struct perf_hpp_list hpp_list;
- struct rb_node *nd;
- int ret;
- perf_hpp_list__init(&hpp_list);
- ret = hpp_list__parse(&hpp_list,
- "cl_num,"
- "cl_rmt_hitm,"
- "cl_lcl_hitm,"
- "cl_stores_l1hit,"
- "cl_stores_l1miss,"
- "dcacheline",
- NULL);
- if (WARN_ONCE(ret, "failed to setup sort entries\n"))
- return;
- nd = rb_first_cached(&c2c.hists.hists.entries);
- for (; nd; nd = rb_next(nd)) {
- struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
- struct c2c_hist_entry *c2c_he;
- if (he->filtered)
- continue;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- print_cacheline(c2c_he->hists, he, &hpp_list, out);
- }
- }
- static void print_c2c_info(FILE *out, struct perf_session *session)
- {
- struct evlist *evlist = session->evlist;
- struct evsel *evsel;
- bool first = true;
- fprintf(out, "=================================================\n");
- fprintf(out, " c2c details \n");
- fprintf(out, "=================================================\n");
- evlist__for_each_entry(evlist, evsel) {
- fprintf(out, "%-36s: %s\n", first ? " Events" : "", evsel__name(evsel));
- first = false;
- }
- fprintf(out, " Cachelines sort on : %s HITMs\n",
- display_str[c2c.display]);
- fprintf(out, " Cacheline data grouping : %s\n", c2c.cl_sort);
- }
- static void perf_c2c__hists_fprintf(FILE *out, struct perf_session *session)
- {
- setup_pager();
- print_c2c__display_stats(out);
- fprintf(out, "\n");
- print_shared_cacheline_info(out);
- fprintf(out, "\n");
- print_c2c_info(out, session);
- if (c2c.stats_only)
- return;
- fprintf(out, "\n");
- fprintf(out, "=================================================\n");
- fprintf(out, " Shared Data Cache Line Table \n");
- fprintf(out, "=================================================\n");
- fprintf(out, "#\n");
- hists__fprintf(&c2c.hists.hists, true, 0, 0, 0, stdout, true);
- fprintf(out, "\n");
- fprintf(out, "=================================================\n");
- fprintf(out, " Shared Cache Line Distribution Pareto \n");
- fprintf(out, "=================================================\n");
- fprintf(out, "#\n");
- print_pareto(out);
- }
- #ifdef HAVE_SLANG_SUPPORT
- static void c2c_browser__update_nr_entries(struct hist_browser *hb)
- {
- u64 nr_entries = 0;
- struct rb_node *nd = rb_first_cached(&hb->hists->entries);
- while (nd) {
- struct hist_entry *he = rb_entry(nd, struct hist_entry, rb_node);
- if (!he->filtered)
- nr_entries++;
- nd = rb_next(nd);
- }
- hb->nr_non_filtered_entries = nr_entries;
- }
- struct c2c_cacheline_browser {
- struct hist_browser hb;
- struct hist_entry *he;
- };
- static int
- perf_c2c_cacheline_browser__title(struct hist_browser *browser,
- char *bf, size_t size)
- {
- struct c2c_cacheline_browser *cl_browser;
- struct hist_entry *he;
- uint64_t addr = 0;
- cl_browser = container_of(browser, struct c2c_cacheline_browser, hb);
- he = cl_browser->he;
- if (he->mem_info)
- addr = cl_address(he->mem_info->daddr.addr);
- scnprintf(bf, size, "Cacheline 0x%lx", addr);
- return 0;
- }
- static struct c2c_cacheline_browser*
- c2c_cacheline_browser__new(struct hists *hists, struct hist_entry *he)
- {
- struct c2c_cacheline_browser *browser;
- browser = zalloc(sizeof(*browser));
- if (browser) {
- hist_browser__init(&browser->hb, hists);
- browser->hb.c2c_filter = true;
- browser->hb.title = perf_c2c_cacheline_browser__title;
- browser->he = he;
- }
- return browser;
- }
- static int perf_c2c__browse_cacheline(struct hist_entry *he)
- {
- struct c2c_hist_entry *c2c_he;
- struct c2c_hists *c2c_hists;
- struct c2c_cacheline_browser *cl_browser;
- struct hist_browser *browser;
- int key = -1;
- static const char help[] =
- " ENTER Toggle callchains (if present) \n"
- " n Toggle Node details info \n"
- " s Toggle full length of symbol and source line columns \n"
- " q Return back to cacheline list \n";
- if (!he)
- return 0;
- /* Display compact version first. */
- c2c.symbol_full = false;
- c2c_he = container_of(he, struct c2c_hist_entry, he);
- c2c_hists = c2c_he->hists;
- cl_browser = c2c_cacheline_browser__new(&c2c_hists->hists, he);
- if (cl_browser == NULL)
- return -1;
- browser = &cl_browser->hb;
- /* reset abort key so that it can get Ctrl-C as a key */
- SLang_reset_tty();
- SLang_init_tty(0, 0, 0);
- c2c_browser__update_nr_entries(browser);
- while (1) {
- key = hist_browser__run(browser, "? - help", true, 0);
- switch (key) {
- case 's':
- c2c.symbol_full = !c2c.symbol_full;
- break;
- case 'n':
- c2c.node_info = (c2c.node_info + 1) % 3;
- setup_nodes_header();
- break;
- case 'q':
- goto out;
- case '?':
- ui_browser__help_window(&browser->b, help);
- break;
- default:
- break;
- }
- }
- out:
- free(cl_browser);
- return 0;
- }
- static int perf_c2c_browser__title(struct hist_browser *browser,
- char *bf, size_t size)
- {
- scnprintf(bf, size,
- "Shared Data Cache Line Table "
- "(%lu entries, sorted on %s HITMs)",
- browser->nr_non_filtered_entries,
- display_str[c2c.display]);
- return 0;
- }
- static struct hist_browser*
- perf_c2c_browser__new(struct hists *hists)
- {
- struct hist_browser *browser = hist_browser__new(hists);
- if (browser) {
- browser->title = perf_c2c_browser__title;
- browser->c2c_filter = true;
- }
- return browser;
- }
- static int perf_c2c__hists_browse(struct hists *hists)
- {
- struct hist_browser *browser;
- int key = -1;
- static const char help[] =
- " d Display cacheline details \n"
- " ENTER Toggle callchains (if present) \n"
- " q Quit \n";
- browser = perf_c2c_browser__new(hists);
- if (browser == NULL)
- return -1;
- /* reset abort key so that it can get Ctrl-C as a key */
- SLang_reset_tty();
- SLang_init_tty(0, 0, 0);
- c2c_browser__update_nr_entries(browser);
- while (1) {
- key = hist_browser__run(browser, "? - help", true, 0);
- switch (key) {
- case 'q':
- goto out;
- case 'd':
- perf_c2c__browse_cacheline(browser->he_selection);
- break;
- case '?':
- ui_browser__help_window(&browser->b, help);
- break;
- default:
- break;
- }
- }
- out:
- hist_browser__delete(browser);
- return 0;
- }
- static void perf_c2c_display(struct perf_session *session)
- {
- if (use_browser == 0)
- perf_c2c__hists_fprintf(stdout, session);
- else
- perf_c2c__hists_browse(&c2c.hists.hists);
- }
- #else
- static void perf_c2c_display(struct perf_session *session)
- {
- use_browser = 0;
- perf_c2c__hists_fprintf(stdout, session);
- }
- #endif /* HAVE_SLANG_SUPPORT */
- static char *fill_line(const char *orig, int len)
- {
- int i, j, olen = strlen(orig);
- char *buf;
- buf = zalloc(len + 1);
- if (!buf)
- return NULL;
- j = len / 2 - olen / 2;
- for (i = 0; i < j - 1; i++)
- buf[i] = '-';
- buf[i++] = ' ';
- strcpy(buf + i, orig);
- i += olen;
- buf[i++] = ' ';
- for (; i < len; i++)
- buf[i] = '-';
- return buf;
- }
- static int ui_quirks(void)
- {
- const char *nodestr = "Data address";
- char *buf;
- if (!c2c.use_stdio) {
- dim_offset.width = 5;
- dim_offset.header = header_offset_tui;
- nodestr = "CL";
- }
- dim_percent_hitm.header = percent_hitm_header[c2c.display];
- /* Fix the zero line for dcacheline column. */
- buf = fill_line("Cacheline", dim_dcacheline.width +
- dim_dcacheline_node.width +
- dim_dcacheline_count.width + 4);
- if (!buf)
- return -ENOMEM;
- dim_dcacheline.header.line[0].text = buf;
- /* Fix the zero line for offset column. */
- buf = fill_line(nodestr, dim_offset.width +
- dim_offset_node.width +
- dim_dcacheline_count.width + 4);
- if (!buf)
- return -ENOMEM;
- dim_offset.header.line[0].text = buf;
- return 0;
- }
- #define CALLCHAIN_DEFAULT_OPT "graph,0.5,caller,function,percent"
- const char callchain_help[] = "Display call graph (stack chain/backtrace):\n\n"
- CALLCHAIN_REPORT_HELP
- "\n\t\t\t\tDefault: " CALLCHAIN_DEFAULT_OPT;
- static int
- parse_callchain_opt(const struct option *opt, const char *arg, int unset)
- {
- struct callchain_param *callchain = opt->value;
- callchain->enabled = !unset;
- /*
- * --no-call-graph
- */
- if (unset) {
- symbol_conf.use_callchain = false;
- callchain->mode = CHAIN_NONE;
- return 0;
- }
- return parse_callchain_report_opt(arg);
- }
- static int setup_callchain(struct evlist *evlist)
- {
- u64 sample_type = evlist__combined_sample_type(evlist);
- enum perf_call_graph_mode mode = CALLCHAIN_NONE;
- if ((sample_type & PERF_SAMPLE_REGS_USER) &&
- (sample_type & PERF_SAMPLE_STACK_USER)) {
- mode = CALLCHAIN_DWARF;
- dwarf_callchain_users = true;
- } else if (sample_type & PERF_SAMPLE_BRANCH_STACK)
- mode = CALLCHAIN_LBR;
- else if (sample_type & PERF_SAMPLE_CALLCHAIN)
- mode = CALLCHAIN_FP;
- if (!callchain_param.enabled &&
- callchain_param.mode != CHAIN_NONE &&
- mode != CALLCHAIN_NONE) {
- symbol_conf.use_callchain = true;
- if (callchain_register_param(&callchain_param) < 0) {
- ui__error("Can't register callchain params.\n");
- return -EINVAL;
- }
- }
- if (c2c.stitch_lbr && (mode != CALLCHAIN_LBR)) {
- ui__warning("Can't find LBR callchain. Switch off --stitch-lbr.\n"
- "Please apply --call-graph lbr when recording.\n");
- c2c.stitch_lbr = false;
- }
- callchain_param.record_mode = mode;
- callchain_param.min_percent = 0;
- return 0;
- }
- static int setup_display(const char *str)
- {
- const char *display = str ?: "tot";
- if (!strcmp(display, "tot"))
- c2c.display = DISPLAY_TOT;
- else if (!strcmp(display, "rmt"))
- c2c.display = DISPLAY_RMT;
- else if (!strcmp(display, "lcl"))
- c2c.display = DISPLAY_LCL;
- else {
- pr_err("failed: unknown display type: %s\n", str);
- return -1;
- }
- return 0;
- }
- #define for_each_token(__tok, __buf, __sep, __tmp) \
- for (__tok = strtok_r(__buf, __sep, &__tmp); __tok; \
- __tok = strtok_r(NULL, __sep, &__tmp))
- static int build_cl_output(char *cl_sort, bool no_source)
- {
- char *tok, *tmp, *buf = strdup(cl_sort);
- bool add_pid = false;
- bool add_tid = false;
- bool add_iaddr = false;
- bool add_sym = false;
- bool add_dso = false;
- bool add_src = false;
- int ret = 0;
- if (!buf)
- return -ENOMEM;
- for_each_token(tok, buf, ",", tmp) {
- if (!strcmp(tok, "tid")) {
- add_tid = true;
- } else if (!strcmp(tok, "pid")) {
- add_pid = true;
- } else if (!strcmp(tok, "iaddr")) {
- add_iaddr = true;
- add_sym = true;
- add_dso = true;
- add_src = no_source ? false : true;
- } else if (!strcmp(tok, "dso")) {
- add_dso = true;
- } else if (strcmp(tok, "offset")) {
- pr_err("unrecognized sort token: %s\n", tok);
- ret = -EINVAL;
- goto err;
- }
- }
- if (asprintf(&c2c.cl_output,
- "%s%s%s%s%s%s%s%s%s%s",
- c2c.use_stdio ? "cl_num_empty," : "",
- "percent_rmt_hitm,"
- "percent_lcl_hitm,"
- "percent_stores_l1hit,"
- "percent_stores_l1miss,"
- "offset,offset_node,dcacheline_count,",
- add_pid ? "pid," : "",
- add_tid ? "tid," : "",
- add_iaddr ? "iaddr," : "",
- "mean_rmt,"
- "mean_lcl,"
- "mean_load,"
- "tot_recs,"
- "cpucnt,",
- add_sym ? "symbol," : "",
- add_dso ? "dso," : "",
- add_src ? "cl_srcline," : "",
- "node") < 0) {
- ret = -ENOMEM;
- goto err;
- }
- c2c.show_src = add_src;
- err:
- free(buf);
- return ret;
- }
- static int setup_coalesce(const char *coalesce, bool no_source)
- {
- const char *c = coalesce ?: coalesce_default;
- if (asprintf(&c2c.cl_sort, "offset,%s", c) < 0)
- return -ENOMEM;
- if (build_cl_output(c2c.cl_sort, no_source))
- return -1;
- if (asprintf(&c2c.cl_resort, "offset,%s",
- c2c.display == DISPLAY_TOT ?
- "tot_hitm" :
- c2c.display == DISPLAY_RMT ?
- "rmt_hitm,lcl_hitm" :
- "lcl_hitm,rmt_hitm") < 0)
- return -ENOMEM;
- pr_debug("coalesce sort fields: %s\n", c2c.cl_sort);
- pr_debug("coalesce resort fields: %s\n", c2c.cl_resort);
- pr_debug("coalesce output fields: %s\n", c2c.cl_output);
- return 0;
- }
- static int perf_c2c__report(int argc, const char **argv)
- {
- struct perf_session *session;
- struct ui_progress prog;
- struct perf_data data = {
- .mode = PERF_DATA_MODE_READ,
- };
- char callchain_default_opt[] = CALLCHAIN_DEFAULT_OPT;
- const char *display = NULL;
- const char *coalesce = NULL;
- bool no_source = false;
- const struct option options[] = {
- OPT_STRING('k', "vmlinux", &symbol_conf.vmlinux_name,
- "file", "vmlinux pathname"),
- OPT_STRING('i', "input", &input_name, "file",
- "the input file to process"),
- OPT_INCR('N', "node-info", &c2c.node_info,
- "show extra node info in report (repeat for more info)"),
- #ifdef HAVE_SLANG_SUPPORT
- OPT_BOOLEAN(0, "stdio", &c2c.use_stdio, "Use the stdio interface"),
- #endif
- OPT_BOOLEAN(0, "stats", &c2c.stats_only,
- "Display only statistic tables (implies --stdio)"),
- OPT_BOOLEAN(0, "full-symbols", &c2c.symbol_full,
- "Display full length of symbols"),
- OPT_BOOLEAN(0, "no-source", &no_source,
- "Do not display Source Line column"),
- OPT_BOOLEAN(0, "show-all", &c2c.show_all,
- "Show all captured HITM lines."),
- OPT_CALLBACK_DEFAULT('g', "call-graph", &callchain_param,
- "print_type,threshold[,print_limit],order,sort_key[,branch],value",
- callchain_help, &parse_callchain_opt,
- callchain_default_opt),
- OPT_STRING('d', "display", &display, "Switch HITM output type", "lcl,rmt"),
- OPT_STRING('c', "coalesce", &coalesce, "coalesce fields",
- "coalesce fields: pid,tid,iaddr,dso"),
- OPT_BOOLEAN('f', "force", &symbol_conf.force, "don't complain, do it"),
- OPT_BOOLEAN(0, "stitch-lbr", &c2c.stitch_lbr,
- "Enable LBR callgraph stitching approach"),
- OPT_PARENT(c2c_options),
- OPT_END()
- };
- int err = 0;
- argc = parse_options(argc, argv, options, report_c2c_usage,
- PARSE_OPT_STOP_AT_NON_OPTION);
- if (argc)
- usage_with_options(report_c2c_usage, options);
- if (c2c.stats_only)
- c2c.use_stdio = true;
- if (!input_name || !strlen(input_name))
- input_name = "perf.data";
- data.path = input_name;
- data.force = symbol_conf.force;
- err = setup_display(display);
- if (err)
- goto out;
- err = setup_coalesce(coalesce, no_source);
- if (err) {
- pr_debug("Failed to initialize hists\n");
- goto out;
- }
- err = c2c_hists__init(&c2c.hists, "dcacheline", 2);
- if (err) {
- pr_debug("Failed to initialize hists\n");
- goto out;
- }
- session = perf_session__new(&data, 0, &c2c.tool);
- if (IS_ERR(session)) {
- err = PTR_ERR(session);
- pr_debug("Error creating perf session\n");
- goto out;
- }
- err = setup_nodes(session);
- if (err) {
- pr_err("Failed setup nodes\n");
- goto out;
- }
- err = mem2node__init(&c2c.mem2node, &session->header.env);
- if (err)
- goto out_session;
- err = setup_callchain(session->evlist);
- if (err)
- goto out_mem2node;
- if (symbol__init(&session->header.env) < 0)
- goto out_mem2node;
- /* No pipe support at the moment. */
- if (perf_data__is_pipe(session->data)) {
- pr_debug("No pipe support at the moment.\n");
- goto out_mem2node;
- }
- if (c2c.use_stdio)
- use_browser = 0;
- else
- use_browser = 1;
- setup_browser(false);
- err = perf_session__process_events(session);
- if (err) {
- pr_err("failed to process sample\n");
- goto out_mem2node;
- }
- c2c_hists__reinit(&c2c.hists,
- "cl_idx,"
- "dcacheline,"
- "dcacheline_node,"
- "dcacheline_count,"
- "percent_hitm,"
- "tot_hitm,lcl_hitm,rmt_hitm,"
- "tot_recs,"
- "tot_loads,"
- "tot_stores,"
- "stores_l1hit,stores_l1miss,"
- "ld_fbhit,ld_l1hit,ld_l2hit,"
- "ld_lclhit,lcl_hitm,"
- "ld_rmthit,rmt_hitm,"
- "dram_lcl,dram_rmt",
- c2c.display == DISPLAY_TOT ? "tot_hitm" :
- c2c.display == DISPLAY_LCL ? "lcl_hitm" : "rmt_hitm"
- );
- ui_progress__init(&prog, c2c.hists.hists.nr_entries, "Sorting...");
- hists__collapse_resort(&c2c.hists.hists, NULL);
- hists__output_resort_cb(&c2c.hists.hists, &prog, resort_hitm_cb);
- hists__iterate_cb(&c2c.hists.hists, resort_cl_cb);
- ui_progress__finish();
- if (ui_quirks()) {
- pr_err("failed to setup UI\n");
- goto out_mem2node;
- }
- perf_c2c_display(session);
- out_mem2node:
- mem2node__exit(&c2c.mem2node);
- out_session:
- perf_session__delete(session);
- out:
- return err;
- }
- static int parse_record_events(const struct option *opt,
- const char *str, int unset __maybe_unused)
- {
- bool *event_set = (bool *) opt->value;
- if (!strcmp(str, "list")) {
- perf_mem_events__list();
- exit(0);
- }
- if (perf_mem_events__parse(str))
- exit(-1);
- *event_set = true;
- return 0;
- }
- static const char * const __usage_record[] = {
- "perf c2c record [<options>] [<command>]",
- "perf c2c record [<options>] -- <command> [<options>]",
- NULL
- };
- static const char * const *record_mem_usage = __usage_record;
- static int perf_c2c__record(int argc, const char **argv)
- {
- int rec_argc, i = 0, j;
- const char **rec_argv;
- int ret;
- bool all_user = false, all_kernel = false;
- bool event_set = false;
- struct option options[] = {
- OPT_CALLBACK('e', "event", &event_set, "event",
- "event selector. Use 'perf c2c record -e list' to list available events",
- parse_record_events),
- OPT_BOOLEAN('u', "all-user", &all_user, "collect only user level data"),
- OPT_BOOLEAN('k', "all-kernel", &all_kernel, "collect only kernel level data"),
- OPT_UINTEGER('l', "ldlat", &perf_mem_events__loads_ldlat, "setup mem-loads latency"),
- OPT_PARENT(c2c_options),
- OPT_END()
- };
- if (perf_mem_events__init()) {
- pr_err("failed: memory events not supported\n");
- return -1;
- }
- argc = parse_options(argc, argv, options, record_mem_usage,
- PARSE_OPT_KEEP_UNKNOWN);
- rec_argc = argc + 11; /* max number of arguments */
- rec_argv = calloc(rec_argc + 1, sizeof(char *));
- if (!rec_argv)
- return -1;
- rec_argv[i++] = "record";
- if (!event_set) {
- perf_mem_events[PERF_MEM_EVENTS__LOAD].record = true;
- perf_mem_events[PERF_MEM_EVENTS__STORE].record = true;
- }
- if (perf_mem_events[PERF_MEM_EVENTS__LOAD].record)
- rec_argv[i++] = "-W";
- rec_argv[i++] = "-d";
- rec_argv[i++] = "--phys-data";
- rec_argv[i++] = "--sample-cpu";
- for (j = 0; j < PERF_MEM_EVENTS__MAX; j++) {
- if (!perf_mem_events[j].record)
- continue;
- if (!perf_mem_events[j].supported) {
- pr_err("failed: event '%s' not supported\n",
- perf_mem_events[j].name);
- free(rec_argv);
- return -1;
- }
- rec_argv[i++] = "-e";
- rec_argv[i++] = perf_mem_events__name(j);
- }
- if (all_user)
- rec_argv[i++] = "--all-user";
- if (all_kernel)
- rec_argv[i++] = "--all-kernel";
- for (j = 0; j < argc; j++, i++)
- rec_argv[i] = argv[j];
- if (verbose > 0) {
- pr_debug("calling: ");
- j = 0;
- while (rec_argv[j]) {
- pr_debug("%s ", rec_argv[j]);
- j++;
- }
- pr_debug("\n");
- }
- ret = cmd_record(i, rec_argv);
- free(rec_argv);
- return ret;
- }
- int cmd_c2c(int argc, const char **argv)
- {
- argc = parse_options(argc, argv, c2c_options, c2c_usage,
- PARSE_OPT_STOP_AT_NON_OPTION);
- if (!argc)
- usage_with_options(c2c_usage, c2c_options);
- if (!strncmp(argv[0], "rec", 3)) {
- return perf_c2c__record(argc, argv);
- } else if (!strncmp(argv[0], "rep", 3)) {
- return perf_c2c__report(argc, argv);
- } else {
- usage_with_options(c2c_usage, c2c_options);
- }
- return 0;
- }
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