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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.
//
// Performance metrics collected via Chrome's built-in profiler.
syntax = "proto2";
option optimize_for = LITE_RUNTIME;
package metrics;
// Next tag: 4
message ProfilerEventProto {
// The type of this profile.
enum ProfileType {
UNKNOWN_PROFILE = 0; // Unknown type (should not reach here).
STARTUP_PROFILE = 1; // Startup profile, logged approximately 60 seconds
// after launch.
}
optional ProfileType profile_type = 1;
// The source based upon which "time" measurements are made.
// We currently only measure wall clock time; but we are exploring other
// measurement sources as well, such as CPU time or TCMalloc statistics.
enum TimeSource {
UNKNOWN_TIME_SOURCE = 0; // Unknown source (should not reach here).
WALL_CLOCK_TIME = 1; // Total time elapsed between the start and end of
// the task's execution.
}
optional TimeSource time_source = 2;
// Data for a single tracked object (typically, a Task).
message TrackedObject {
// The name of the thread from which this task was posted, hashed.
optional fixed64 birth_thread_name_hash = 1;
// The name of the thread on which this task was executed, hashed.
optional fixed64 exec_thread_name_hash = 2;
// The source file name from which this task was posted, hashed.
optional fixed64 source_file_name_hash = 3;
// Function name from which this task was posted, hashed.
optional fixed64 source_function_name_hash = 4;
// The line number within the source file from which this task was posted.
optional int32 source_line_number = 5;
// The number of times this task was executed.
optional int32 exec_count = 6;
// The total execution time for instances this task.
optional int32 exec_time_total = 7;
// The execution time for a uniformly randomly sampled instance of this
// task.
optional int32 exec_time_sampled = 8;
// The total time instances this task spent waiting (e.g. in a message loop)
// before they were run.
optional int32 queue_time_total = 9;
// The time that a uniformly randomly sampled instance of this task spent
// waiting (e.g. in a message loop) before it was run.
optional int32 queue_time_sampled = 10;
// The type of process within which this task was executed.
enum ProcessType {
UNKNOWN = 0; // Should not reach here
BROWSER = 1;
RENDERER = 2;
PLUGIN = 3;
WORKER = 4;
NACL_LOADER = 5;
UTILITY = 6;
PROFILE_IMPORT = 7;
ZYGOTE = 8;
SANDBOX_HELPER = 9;
NACL_BROKER = 10;
GPU = 11;
PPAPI_PLUGIN = 12;
PPAPI_BROKER = 13;
}
optional ProcessType process_type = 11;
// The local PID for the process within which this task was executed.
optional uint32 process_id = 12;
}
repeated TrackedObject tracked_object = 3;
}
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