skia2/tools/ProcStats.cpp

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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(__Fuchsia__)
#include <zircon/process.h>
#include <zircon/syscalls.h>
#include <zircon/syscalls/object.h>
#include <zircon/types.h>
int64_t sk_tools::getMaxResidentSetSizeBytes() {
zx_info_task_stats_t task_stats;
zx_handle_t process = zx_process_self();
zx_status_t status = zx_object_get_info(
process, ZX_INFO_TASK_STATS, &task_stats, sizeof(task_stats), nullptr, nullptr);
if (status != ZX_OK) {
return -1;
}
return (task_stats.mem_private_bytes + task_stats.mem_shared_bytes);
}
#elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS) || defined(SK_BUILD_FOR_ANDROID)
#include <sys/resource.h>
int64_t sk_tools::getMaxResidentSetSizeBytes() {
struct rusage ru;
getrusage(RUSAGE_SELF, &ru);
#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
return ru.ru_maxrss; // Darwin reports bytes.
#else
return ru.ru_maxrss * 1024; // Linux reports kilobytes.
#endif
}
#elif defined(SK_BUILD_FOR_WIN)
#include <windows.h>
#include <psapi.h>
int64_t sk_tools::getMaxResidentSetSizeBytes() {
PROCESS_MEMORY_COUNTERS info;
GetProcessMemoryInfo(GetCurrentProcess(), &info, sizeof(info));
return info.PeakWorkingSetSize;
}
#else
int64_t sk_tools::getMaxResidentSetSizeBytes() { return -1; }
#endif
#if defined(SK_BUILD_FOR_MAC) || defined(SK_BUILD_FOR_IOS)
#include <mach/mach.h>
int64_t sk_tools::getCurrResidentSetSizeBytes() {
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;
}
#elif defined(SK_BUILD_FOR_UNIX) || defined(SK_BUILD_FOR_ANDROID) // N.B. /proc is Linux-only.
#include <unistd.h>
#include <stdio.h>
int64_t sk_tools::getCurrResidentSetSizeBytes() {
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;
}
#elif defined(SK_BUILD_FOR_WIN)
int64_t sk_tools::getCurrResidentSetSizeBytes() {
PROCESS_MEMORY_COUNTERS info;
GetProcessMemoryInfo(GetCurrentProcess(), &info, sizeof(info));
return info.WorkingSetSize;
}
#else
int64_t sk_tools::getCurrResidentSetSizeBytes() { return -1; }
#endif
int sk_tools::getMaxResidentSetSizeMB() {
int64_t bytes = sk_tools::getMaxResidentSetSizeBytes();
return bytes < 0 ? -1 : static_cast<int>(bytes / 1024 / 1024);
}
int sk_tools::getCurrResidentSetSizeMB() {
int64_t bytes = sk_tools::getCurrResidentSetSizeBytes();
return bytes < 0 ? -1 : static_cast<int>(bytes / 1024 / 1024);
}