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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "base/trace_event/process_memory_totals_dump_provider.h" | 5 #include "base/trace_event/process_memory_totals_dump_provider.h" |
| 6 | 6 |
| 7 #include <stddef.h> |
| 8 |
| 7 #include "base/process/process_metrics.h" | 9 #include "base/process/process_metrics.h" |
| 8 #include "base/trace_event/process_memory_dump.h" | 10 #include "base/trace_event/process_memory_dump.h" |
| 9 #include "base/trace_event/process_memory_totals.h" | 11 #include "base/trace_event/process_memory_totals.h" |
| 12 #include "build/build_config.h" |
| 10 | 13 |
| 11 #if defined(OS_LINUX) || defined(OS_ANDROID) | 14 #if defined(OS_LINUX) || defined(OS_ANDROID) |
| 12 #include <fcntl.h> | 15 #include <fcntl.h> |
| 13 | 16 |
| 14 #include "base/files/file_util.h" | 17 #include "base/files/file_util.h" |
| 15 | 18 |
| 16 namespace { | 19 namespace { |
| 17 bool kernel_supports_rss_peak_reset = true; | 20 bool kernel_supports_rss_peak_reset = true; |
| 18 const char kClearPeakRssCommand[] = "5"; | 21 const char kClearPeakRssCommand[] = "5"; |
| 19 } | 22 } |
| 20 #endif | 23 #endif |
| 21 | 24 |
| 22 namespace base { | 25 namespace base { |
| 23 namespace trace_event { | 26 namespace trace_event { |
| 24 | 27 |
| 25 // static | 28 // static |
| 26 uint64 ProcessMemoryTotalsDumpProvider::rss_bytes_for_testing = 0; | 29 uint64_t ProcessMemoryTotalsDumpProvider::rss_bytes_for_testing = 0; |
| 27 | 30 |
| 28 // static | 31 // static |
| 29 ProcessMemoryTotalsDumpProvider* | 32 ProcessMemoryTotalsDumpProvider* |
| 30 ProcessMemoryTotalsDumpProvider::GetInstance() { | 33 ProcessMemoryTotalsDumpProvider::GetInstance() { |
| 31 return Singleton< | 34 return Singleton< |
| 32 ProcessMemoryTotalsDumpProvider, | 35 ProcessMemoryTotalsDumpProvider, |
| 33 LeakySingletonTraits<ProcessMemoryTotalsDumpProvider>>::get(); | 36 LeakySingletonTraits<ProcessMemoryTotalsDumpProvider>>::get(); |
| 34 } | 37 } |
| 35 | 38 |
| 36 ProcessMemoryTotalsDumpProvider::ProcessMemoryTotalsDumpProvider() | 39 ProcessMemoryTotalsDumpProvider::ProcessMemoryTotalsDumpProvider() |
| 37 : process_metrics_(ProcessMetrics::CreateCurrentProcessMetrics()) {} | 40 : process_metrics_(ProcessMetrics::CreateCurrentProcessMetrics()) {} |
| 38 | 41 |
| 39 ProcessMemoryTotalsDumpProvider::~ProcessMemoryTotalsDumpProvider() { | 42 ProcessMemoryTotalsDumpProvider::~ProcessMemoryTotalsDumpProvider() { |
| 40 } | 43 } |
| 41 | 44 |
| 42 // Called at trace dump point time. Creates a snapshot the memory counters for | 45 // Called at trace dump point time. Creates a snapshot the memory counters for |
| 43 // the current process. | 46 // the current process. |
| 44 bool ProcessMemoryTotalsDumpProvider::OnMemoryDump(const MemoryDumpArgs& args, | 47 bool ProcessMemoryTotalsDumpProvider::OnMemoryDump(const MemoryDumpArgs& args, |
| 45 ProcessMemoryDump* pmd) { | 48 ProcessMemoryDump* pmd) { |
| 46 const uint64 rss_bytes = rss_bytes_for_testing | 49 const uint64_t rss_bytes = rss_bytes_for_testing |
| 47 ? rss_bytes_for_testing | 50 ? rss_bytes_for_testing |
| 48 : process_metrics_->GetWorkingSetSize(); | 51 : process_metrics_->GetWorkingSetSize(); |
| 49 | 52 |
| 50 uint64 peak_rss_bytes = 0; | 53 uint64_t peak_rss_bytes = 0; |
| 51 | 54 |
| 52 #if !defined(OS_IOS) | 55 #if !defined(OS_IOS) |
| 53 peak_rss_bytes = process_metrics_->GetPeakWorkingSetSize(); | 56 peak_rss_bytes = process_metrics_->GetPeakWorkingSetSize(); |
| 54 #if defined(OS_LINUX) || defined(OS_ANDROID) | 57 #if defined(OS_LINUX) || defined(OS_ANDROID) |
| 55 if (kernel_supports_rss_peak_reset) { | 58 if (kernel_supports_rss_peak_reset) { |
| 56 // TODO(ssid): Fix crbug.com/461788 to write to the file from sandboxed | 59 // TODO(ssid): Fix crbug.com/461788 to write to the file from sandboxed |
| 57 // processes. | 60 // processes. |
| 58 int clear_refs_fd = open("/proc/self/clear_refs", O_WRONLY); | 61 int clear_refs_fd = open("/proc/self/clear_refs", O_WRONLY); |
| 59 if (clear_refs_fd > 0 && | 62 if (clear_refs_fd > 0 && |
| 60 WriteFileDescriptor(clear_refs_fd, kClearPeakRssCommand, | 63 WriteFileDescriptor(clear_refs_fd, kClearPeakRssCommand, |
| (...skipping 19 matching lines...) Expand all Loading... |
| 80 pmd->process_totals()->set_peak_resident_set_bytes(peak_rss_bytes); | 83 pmd->process_totals()->set_peak_resident_set_bytes(peak_rss_bytes); |
| 81 pmd->set_has_process_totals(); | 84 pmd->set_has_process_totals(); |
| 82 return true; | 85 return true; |
| 83 } | 86 } |
| 84 | 87 |
| 85 return false; | 88 return false; |
| 86 } | 89 } |
| 87 | 90 |
| 88 } // namespace trace_event | 91 } // namespace trace_event |
| 89 } // namespace base | 92 } // namespace base |
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