Files
android/libwvdrmengine/cdm/metrics/include/metrics_front_end.h
Aaron Vaage edb9f00df7 Widevine Metrics System
This change is the complete Widevine metrics system. It will
measure and record runtime information about what is happening
in the CDM - such as errors and throughput.

Bug: 33745339
Bug: 26027857
Change-Id: Ic9a82074f1e2b72c72d751b235f8ae361232787d
2017-01-27 16:59:17 -08:00

57 lines
1.1 KiB
C++

// Copyright 2016 Google Inc. All Rights Reserved.
#ifndef WVCDM_METRICS_METRICS_FRONT_END_H_
#define WVCDM_METRICS_METRICS_FRONT_END_H_
#include <map>
#include "report.h"
#include "timer_metric.h" /* needed for the macro */
namespace wvcdm {
namespace metrics {
class MetricsFrontEnd {
public:
MetricsFrontEnd(Report* root);
MetricNotification* CreateSubscriber();
static MetricsFrontEnd& Instance();
static void OverrideInstance(MetricsFrontEnd* instance);
private:
static MetricsFrontEnd* instance_;
Report* root_;
/* Disallow copy and assign. */
MetricsFrontEnd(const MetricsFrontEnd&);
void operator=(const MetricsFrontEnd&);
};
} // namespace metrics
} // namespace wvcdm
#define MFE wvcdm::metrics::MetricsFrontEnd::Instance()
#define M_RECORD(GROUP, METRIC, ...) \
if ( GROUP ) { \
( GROUP ) -> METRIC . Record( __VA_ARGS__ ); \
}
#define M_TIME(CALL, GROUP, METRIC, ...) \
if ( GROUP ) { \
wvcdm::metrics::TimerMetric timer; \
timer.Start(); \
CALL; \
( GROUP ) -> METRIC . Record(timer.AsUs(), ##__VA_ARGS__ ); \
} else { \
CALL; \
}
#endif