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- /*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
- #include "include/core/SkTypes.h"
- #include "tools/ProcStats.h"
- #if defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) || defined(SK_BUILD_FOR_ANDROID)
- #include <sys/resource.h>
- int sk_tools::getMaxResidentSetSizeMB() {
- struct rusage ru;
- getrusage(RUSAGE_SELF, &ru);
- #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
- return static_cast<int>(ru.ru_maxrss / 1024 / 1024); // Darwin reports bytes.
- #else
- return static_cast<int>(ru.ru_maxrss / 1024); // Linux reports kilobytes.
- #endif
- }
- #elif defined(SK_BUILD_FOR_WIN)
- #include <windows.h>
- #include <psapi.h>
- int sk_tools::getMaxResidentSetSizeMB() {
- PROCESS_MEMORY_COUNTERS info;
- GetProcessMemoryInfo(GetCurrentProcess(), &info, sizeof(info));
- return static_cast<int>(info.PeakWorkingSetSize / 1024 / 1024); // Windows reports bytes.
- }
- #else
- int sk_tools::getMaxResidentSetSizeMB() { return -1; }
- #endif
- #if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
- #include <mach/mach.h>
- int sk_tools::getCurrResidentSetSizeMB() {
- mach_task_basic_info info;
- mach_msg_type_number_t count = MACH_TASK_BASIC_INFO_COUNT;
- if (KERN_SUCCESS !=
- task_info(mach_task_self(), MACH_TASK_BASIC_INFO, (task_info_t)&info, &count)) {
- return -1;
- }
- return info.resident_size / 1024 / 1024; // Darwin reports bytes.
- }
- #elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID) // N.B. /proc is Linux-only.
- #include <unistd.h>
- #include <stdio.h>
- int sk_tools::getCurrResidentSetSizeMB() {
- const long pageSize = sysconf(_SC_PAGESIZE);
- long long rssPages = 0;
- if (FILE* statm = fopen("/proc/self/statm", "r")) {
- // statm contains: program-size rss shared text lib data dirty, all in page counts.
- int rc = fscanf(statm, "%*d %lld", &rssPages);
- fclose(statm);
- if (rc != 1) {
- return -1;
- }
- }
- return rssPages * pageSize / 1024 / 1024;
- }
- #elif defined(SK_BUILD_FOR_WIN)
- int sk_tools::getCurrResidentSetSizeMB() {
- PROCESS_MEMORY_COUNTERS info;
- GetProcessMemoryInfo(GetCurrentProcess(), &info, sizeof(info));
- return static_cast<int>(info.WorkingSetSize / 1024 / 1024); // Windows reports bytes.
- }
- #else
- int sk_tools::getCurrResidentSetSizeMB() { return -1; }
- #endif
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