components/metrics/metrics_switches.cc

// Copyright 2014 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 "components/metrics/metrics_switches.h"

namespace metrics {
namespace switches {

// Forces metrics reporting to be enabled. Should not be used for tests as it
// will send data to servers.
const char kForceEnableMetricsReporting[] = "force-enable-metrics-reporting";

// Enables the recording of metrics reports but disables reporting. In contrast
// to kForceEnableMetricsReporting, this executes all the code that a normal
// client would use for reporting, except the report is dropped rather than sent
// to the server. This is useful for finding issues in the metrics code during
// UI and performance tests.
const char kMetricsRecordingOnly[] = "metrics-recording-only";

// Override the standard time interval between each metrics report upload for
// UMA and UKM. It is useful to set to a short interval for debugging. Unit in
// seconds. (The default is 1800 seconds on desktop).
const char kMetricsUploadIntervalSec[] = "metrics-upload-interval";

// Forces a reset of the one-time-randomized FieldTrials on this client, also
// known as the Chrome Variations state.
const char kResetVariationState[] = "reset-variation-state";

}  // namespace switches

bool IsMetricsRecordingOnlyEnabled() {
  return base::CommandLine::ForCurrentProcess()->HasSwitch(
      switches::kMetricsRecordingOnly);
}

bool IsMetricsReportingForceEnabled() {
  return base::CommandLine::ForCurrentProcess()->HasSwitch(
      switches::kForceEnableMetricsReporting);
}

void EnableMetricsRecordingOnlyForTesting(base::CommandLine* command_line) {
  DCHECK(command_line != nullptr);
  if (!command_line->HasSwitch(switches::kMetricsRecordingOnly))
    command_line->AppendSwitch(switches::kMetricsRecordingOnly);
}

void ForceEnableMetricsReportingForTesting(base::CommandLine* command_line) {
  DCHECK(command_line != nullptr);
  if (!command_line->HasSwitch(switches::kForceEnableMetricsReporting))
    command_line->AppendSwitch(switches::kForceEnableMetricsReporting);
}

}  // namespace metrics