Stack sampling profiler: set process and thread information

components/metrics/public/interfaces/call_stack_profile_collector.mojom

 // Copyright 2016 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.
 
 module metrics.mojom;
 
 import "mojo/common/common_custom_types.mojom";
 
 // These structs mirror the corresponding types in base::StackSamplingProfiler.
 
 struct CallStackModule {
   uint64 base_address;
   string id;
   mojo.common.mojom.FilePath filename;
 };
 
 struct CallStackFrame {
   uint64 instruction_pointer;
   uint64 module_index;
 };
 
 struct CallStackProfile {
   array<CallStackModule> modules;
   array<array<CallStackFrame>> samples;
   mojo.common.mojom.TimeDelta profile_duration;
   mojo.common.mojom.TimeDelta sampling_period;
 };
 
+enum Process {
+  UNKNOWN_PROCESS,
+  BROWSER_PROCESS,
+  RENDERER_PROCESS,
+  GPU_PROCESS,
+  UTILITY_PROCESS,
+  ZYGOTE_PROCESS,
+  SANDBOX_HELPER_PROCESS,
+  PPAPI_PLUGIN_PROCESS,
+  PPAPI_BROKER_PROCESS,
+};
+
+enum Thread {
+  UNKNOWN_THREAD,
+
+  UI_THREAD,
+  FILE_THREAD,
+  FILE_USER_BLOCKING_THREAD,
+  PROCESS_LAUNCHER_THREAD,
+  CACHE_THREAD,
+  IO_THREAD,
+  DB_THREAD,
+
+  GPU_MAIN_THREAD,
+
+  RENDER_THREAD,
+  UTILITY_THREAD,
+};
+
 enum Trigger {
   UNKNOWN,
   PROCESS_STARTUP,
   JANKY_TASK,
   THREAD_HUNG,
 };
 
 enum SampleOrderingSpec {
   MAY_SHUFFLE,
   PRESERVE_ORDER,
 };
 
 struct CallStackProfileParams {
+  Process process;
+  Thread thread;
   Trigger trigger;
   SampleOrderingSpec ordering_spec;
 };
 
 interface CallStackProfileCollector {
   Collect(CallStackProfileParams params,
           mojo.common.mojom.TimeTicks start_timestamp,
           array<CallStackProfile> profiles);
 };