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| 1 // Copyright 2013 The Chromium Authors. All rights reserved. | 1 // Copyright 2013 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 "content/browser/browser_shutdown_profile_dumper.h" | 5 #include "content/browser/browser_shutdown_profile_dumper.h" |
| 6 | 6 |
| 7 #include "base/base_switches.h" | 7 #include "base/base_switches.h" |
| 8 #include "base/command_line.h" | 8 #include "base/command_line.h" |
| 9 #include "base/files/file_path.h" | 9 #include "base/files/file_path.h" |
| 10 #include "base/files/file_util.h" | 10 #include "base/files/file_util.h" |
| (...skipping 12 matching lines...) Expand all Loading... |
| 23 : dump_file_name_(dump_file_name), | 23 : dump_file_name_(dump_file_name), |
| 24 blocks_(0), | 24 blocks_(0), |
| 25 dump_file_(NULL) { | 25 dump_file_(NULL) { |
| 26 } | 26 } |
| 27 | 27 |
| 28 BrowserShutdownProfileDumper::~BrowserShutdownProfileDumper() { | 28 BrowserShutdownProfileDumper::~BrowserShutdownProfileDumper() { |
| 29 WriteTracesToDisc(); | 29 WriteTracesToDisc(); |
| 30 } | 30 } |
| 31 | 31 |
| 32 static float GetTraceBufferPercentFull() { | 32 static float GetTraceBufferPercentFull() { |
| 33 base::debug::TraceLogStatus status = | 33 base::trace_event::TraceLogStatus status = |
| 34 base::debug::TraceLog::GetInstance()->GetStatus(); | 34 base::trace_event::TraceLog::GetInstance()->GetStatus(); |
| 35 return 100 * static_cast<float>(static_cast<double>(status.event_count) / | 35 return 100 * static_cast<float>(static_cast<double>(status.event_count) / |
| 36 status.event_capacity); | 36 status.event_capacity); |
| 37 } | 37 } |
| 38 | 38 |
| 39 void BrowserShutdownProfileDumper::WriteTracesToDisc() { | 39 void BrowserShutdownProfileDumper::WriteTracesToDisc() { |
| 40 // Note: I have seen a usage of 0.000xx% when dumping - which fits easily. | 40 // Note: I have seen a usage of 0.000xx% when dumping - which fits easily. |
| 41 // Since the tracer stops when the trace buffer is filled, we'd rather save | 41 // Since the tracer stops when the trace buffer is filled, we'd rather save |
| 42 // what we have than nothing since we might see from the amount of events | 42 // what we have than nothing since we might see from the amount of events |
| 43 // that caused the problem. | 43 // that caused the problem. |
| 44 DVLOG(1) << "Flushing shutdown traces to disc. The buffer is " | 44 DVLOG(1) << "Flushing shutdown traces to disc. The buffer is " |
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| 65 base::Unretained(this), | 65 base::Unretained(this), |
| 66 base::Unretained(&flush_complete_event))); | 66 base::Unretained(&flush_complete_event))); |
| 67 | 67 |
| 68 bool original_wait_allowed = base::ThreadRestrictions::SetWaitAllowed(true); | 68 bool original_wait_allowed = base::ThreadRestrictions::SetWaitAllowed(true); |
| 69 flush_complete_event.Wait(); | 69 flush_complete_event.Wait(); |
| 70 base::ThreadRestrictions::SetWaitAllowed(original_wait_allowed); | 70 base::ThreadRestrictions::SetWaitAllowed(original_wait_allowed); |
| 71 } | 71 } |
| 72 | 72 |
| 73 void BrowserShutdownProfileDumper::EndTraceAndFlush( | 73 void BrowserShutdownProfileDumper::EndTraceAndFlush( |
| 74 base::WaitableEvent* flush_complete_event) { | 74 base::WaitableEvent* flush_complete_event) { |
| 75 base::debug::TraceLog::GetInstance()->SetDisabled(); | 75 base::trace_event::TraceLog::GetInstance()->SetDisabled(); |
| 76 base::debug::TraceLog::GetInstance()->Flush( | 76 base::trace_event::TraceLog::GetInstance()->Flush( |
| 77 base::Bind(&BrowserShutdownProfileDumper::WriteTraceDataCollected, | 77 base::Bind(&BrowserShutdownProfileDumper::WriteTraceDataCollected, |
| 78 base::Unretained(this), | 78 base::Unretained(this), |
| 79 base::Unretained(flush_complete_event))); | 79 base::Unretained(flush_complete_event))); |
| 80 } | 80 } |
| 81 | 81 |
| 82 // static | 82 // static |
| 83 base::FilePath BrowserShutdownProfileDumper::GetShutdownProfileFileName() { | 83 base::FilePath BrowserShutdownProfileDumper::GetShutdownProfileFileName() { |
| 84 const base::CommandLine& command_line = | 84 const base::CommandLine& command_line = |
| 85 *base::CommandLine::ForCurrentProcess(); | 85 *base::CommandLine::ForCurrentProcess(); |
| 86 base::FilePath trace_file = | 86 base::FilePath trace_file = |
| (...skipping 52 matching lines...) Expand 10 before | Expand all | Expand 10 after Loading... |
| 139 } | 139 } |
| 140 | 140 |
| 141 void BrowserShutdownProfileDumper::CloseFile() { | 141 void BrowserShutdownProfileDumper::CloseFile() { |
| 142 if (!dump_file_) | 142 if (!dump_file_) |
| 143 return; | 143 return; |
| 144 base::CloseFile(dump_file_); | 144 base::CloseFile(dump_file_); |
| 145 dump_file_ = NULL; | 145 dump_file_ = NULL; |
| 146 } | 146 } |
| 147 | 147 |
| 148 } // namespace content | 148 } // namespace content |
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