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Diffstat (limited to 'tools/gator/daemon/PerfDriver.h')
-rw-r--r-- | tools/gator/daemon/PerfDriver.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/gator/daemon/PerfDriver.h b/tools/gator/daemon/PerfDriver.h new file mode 100644 index 000000000000..2cae575a7059 --- /dev/null +++ b/tools/gator/daemon/PerfDriver.h @@ -0,0 +1,60 @@ +/** + * Copyright (C) ARM Limited 2013-2014. All rights reserved. + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#ifndef PERFDRIVER_H +#define PERFDRIVER_H + +#include "Driver.h" + +// If debugfs is not mounted at /sys/kernel/debug, update DEBUGFS_PATH +#define DEBUGFS_PATH "/sys/kernel/debug" +#define EVENTS_PATH DEBUGFS_PATH "/tracing/events" + +#define SCHED_SWITCH "sched/sched_switch" + +class Buffer; +class DynBuf; +class PerfCounter; +class PerfGroup; + +class PerfDriver : public Driver { +public: + PerfDriver(); + ~PerfDriver(); + + bool getLegacySupport() const { return mLegacySupport; } + + bool setup(); + bool summary(Buffer *const buffer); + bool isSetup() const { return mIsSetup; } + + bool claimCounter(const Counter &counter) const; + void resetCounters(); + void setupCounter(Counter &counter); + + int writeCounters(mxml_node_t *root) const; + + bool enable(PerfGroup *const group, Buffer *const buffer) const; + + static long long getTracepointId(const char *const name, DynBuf *const printb); + +private: + PerfCounter *findCounter(const Counter &counter) const; + void addCpuCounters(const char *const counterName, const int type, const int numCounters); + void addUncoreCounters(const char *const counterName, const int type, const int numCounters); + + PerfCounter *mCounters; + bool mIsSetup; + bool mLegacySupport; + + // Intentionally undefined + PerfDriver(const PerfDriver &); + PerfDriver &operator=(const PerfDriver &); +}; + +#endif // PERFDRIVER_H |