content/public/browser/background_tracing_preemptive_config.h

   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
   3 // found in the LICENSE file.
   4
   5 #ifndef CONTENT_PUBLIC_BROWSER_BACKGROUND_TRACING_PREEMPTIVE_CONFIG_H_
   6 #define CONTENT_PUBLIC_BROWSER_BACKGROUND_TRACING_PREEMPTIVE_CONFIG_H_
   7
   8 #include "content/public/browser/background_tracing_config.h"
   9
  10 namespace content {
  11
  12 // BackgroundTracingPreemptiveConfig holds trigger rules for use during
  13 // preemptive tracing. Tracing will be enabled immediately, and whenever
  14 // a trigger occurs, the trace will be finalized.
  15 struct CONTENT_EXPORT BackgroundTracingPreemptiveConfig
  16     : public BackgroundTracingConfig {
  17  public:
  18   BackgroundTracingPreemptiveConfig();
  19   ~BackgroundTracingPreemptiveConfig() override;
  20
  21   enum RuleType {
  22     MONITOR_AND_DUMP_WHEN_TRIGGER_NAMED,
  23     MONITOR_AND_DUMP_WHEN_SPECIFIC_HISTOGRAM_AND_VALUE,
  24     MONITOR_AND_DUMP_WHEN_BROWSER_STARTUP_COMPLETE,
  25   };
  26   struct HistogramTriggerInfo {
  27     std::string histogram_name_to_trigger_on;
  28     int histogram_bin_to_trigger_on;
  29   };
  30   struct NamedTriggerInfo {
  31     std::string trigger_name;
  32   };
  33   struct MonitoringRule {
  34     RuleType type;
  35     HistogramTriggerInfo histogram_trigger_info;
  36     NamedTriggerInfo named_trigger_info;
  37   };
  38
  39   std::vector<MonitoringRule> configs;
  40   CategoryPreset category_preset;
  41 };
  42
  43 }  // namespace content
  44
  45 #endif  // CONTENT_PUBLIC_BROWSER_BACKGROUND_TRACING_PREEMPTIVE_CONFIG_H_