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// Copyright (c) 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "chrome/browser/task_profiler/task_profiler_data_serializer.h"
#include "base/files/file_path.h"
#include "base/files/file_util.h"
#include "base/json/json_string_value_serializer.h"
#include "base/time/time.h"
#include "base/tracked_objects.h"
#include "chrome/common/chrome_content_client.h"
#include "components/nacl/common/nacl_process_type.h"
#include "content/public/common/process_type.h"
#include "url/gurl.h"
using base::DictionaryValue;
using base::ListValue;
using base::Value;
using tracked_objects::BirthOnThreadSnapshot;
using tracked_objects::DeathDataSnapshot;
using tracked_objects::LocationSnapshot;
using tracked_objects::TaskSnapshot;
using tracked_objects::ProcessDataPhaseSnapshot;
namespace {
// Re-serializes the |location| into |dictionary|.
void LocationSnapshotToValue(const LocationSnapshot& location,
base::DictionaryValue* dictionary) {
dictionary->SetString("file_name", location.file_name);
// Note: This function name is not escaped, and templates have less-than
// characters, which means this is not suitable for display as HTML unless
// properly escaped.
dictionary->SetString("function_name", location.function_name);
dictionary->SetInteger("line_number", location.line_number);
}
// Re-serializes the |birth| into |dictionary|. Prepends the |prefix| to the
// "thread" and "location" key names in the dictionary.
void BirthOnThreadSnapshotToValue(const BirthOnThreadSnapshot& birth,
const std::string& prefix,
base::DictionaryValue* dictionary) {
DCHECK(!prefix.empty());
scoped_ptr<base::DictionaryValue> location_value(new base::DictionaryValue);
LocationSnapshotToValue(birth.location, location_value.get());
dictionary->Set(prefix + "_location", location_value.release());
dictionary->Set(prefix + "_thread", new base::StringValue(birth.thread_name));
}
// Re-serializes the |death_data| into |dictionary|.
void DeathDataSnapshotToValue(const DeathDataSnapshot& death_data,
base::DictionaryValue* dictionary) {
dictionary->SetInteger("count", death_data.count);
dictionary->SetInteger("run_ms", death_data.run_duration_sum);
dictionary->SetInteger("run_ms_max", death_data.run_duration_max);
dictionary->SetInteger("run_ms_sample", death_data.run_duration_sample);
dictionary->SetInteger("queue_ms", death_data.queue_duration_sum);
dictionary->SetInteger("queue_ms_max", death_data.queue_duration_max);
dictionary->SetInteger("queue_ms_sample", death_data.queue_duration_sample);
}
// Re-serializes the |snapshot| into |dictionary|.
void TaskSnapshotToValue(const TaskSnapshot& snapshot,
base::DictionaryValue* dictionary) {
BirthOnThreadSnapshotToValue(snapshot.birth, "birth", dictionary);
scoped_ptr<base::DictionaryValue> death_data(new base::DictionaryValue);
DeathDataSnapshotToValue(snapshot.death_data, death_data.get());
dictionary->Set("death_data", death_data.release());
dictionary->SetString("death_thread", snapshot.death_thread_name);
}
int AsChromeProcessType(
metrics::ProfilerEventProto::TrackedObject::ProcessType process_type) {
switch (process_type) {
case metrics::ProfilerEventProto::TrackedObject::UNKNOWN:
return content::PROCESS_TYPE_UNKNOWN;
case metrics::ProfilerEventProto::TrackedObject::BROWSER:
return content::PROCESS_TYPE_BROWSER;
case metrics::ProfilerEventProto::TrackedObject::RENDERER:
return content::PROCESS_TYPE_RENDERER;
case metrics::ProfilerEventProto::TrackedObject::PLUGIN:
return content::PROCESS_TYPE_PLUGIN;
case metrics::ProfilerEventProto::TrackedObject::WORKER:
return content::PROCESS_TYPE_WORKER_DEPRECATED;
case metrics::ProfilerEventProto::TrackedObject::NACL_LOADER:
return PROCESS_TYPE_NACL_LOADER;
case metrics::ProfilerEventProto::TrackedObject::UTILITY:
return content::PROCESS_TYPE_UTILITY;
case metrics::ProfilerEventProto::TrackedObject::PROFILE_IMPORT:
return content::PROCESS_TYPE_UNKNOWN;
case metrics::ProfilerEventProto::TrackedObject::ZYGOTE:
return content::PROCESS_TYPE_ZYGOTE;
case metrics::ProfilerEventProto::TrackedObject::SANDBOX_HELPER:
return content::PROCESS_TYPE_SANDBOX_HELPER;
case metrics::ProfilerEventProto::TrackedObject::NACL_BROKER:
return PROCESS_TYPE_NACL_BROKER;
case metrics::ProfilerEventProto::TrackedObject::GPU:
return content::PROCESS_TYPE_GPU;
case metrics::ProfilerEventProto::TrackedObject::PPAPI_PLUGIN:
return content::PROCESS_TYPE_PPAPI_PLUGIN;
case metrics::ProfilerEventProto::TrackedObject::PPAPI_BROKER:
return content::PROCESS_TYPE_PPAPI_BROKER;
}
NOTREACHED();
return content::PROCESS_TYPE_UNKNOWN;
}
} // anonymous namespace
namespace task_profiler {
// static
void TaskProfilerDataSerializer::ToValue(
const ProcessDataPhaseSnapshot& process_data_phase,
base::ProcessId process_id,
metrics::ProfilerEventProto::TrackedObject::ProcessType process_type,
base::DictionaryValue* dictionary) {
scoped_ptr<base::ListValue> tasks_list(new base::ListValue);
for (const auto& task : process_data_phase.tasks) {
scoped_ptr<base::DictionaryValue> snapshot(new base::DictionaryValue);
TaskSnapshotToValue(task, snapshot.get());
tasks_list->Append(snapshot.release());
}
dictionary->Set("list", tasks_list.release());
dictionary->SetInteger("process_id", process_id);
dictionary->SetString("process_type", content::GetProcessTypeNameInEnglish(
AsChromeProcessType(process_type)));
}
} // namespace task_profiler
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