libvirt/src/util/virperf.h

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/*
* virperf.h: methods for managing perf events
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library. If not, see
* <http://www.gnu.org/licenses/>.
*
* Authors:
* Ren Qiaowei <qiaowei.ren@intel.com>
*/
#ifndef __VIR_PERF_H__
# define __VIR_PERF_H__
# include "virutil.h"
typedef enum {
VIR_PERF_EVENT_CMT,
VIR_PERF_EVENT_MBMT,
VIR_PERF_EVENT_MBML,
VIR_PERF_EVENT_LAST
} virPerfEventType;
VIR_ENUM_DECL(virPerfEvent);
struct virPerf;
typedef struct virPerf *virPerfPtr;
virPerfPtr virPerfNew(void);
void virPerfFree(virPerfPtr perf);
int virPerfEventEnable(virPerfPtr perf,
virPerfEventType type,
pid_t pid);
int virPerfEventDisable(virPerfPtr perf,
virPerfEventType type);
bool virPerfEventIsEnabled(virPerfPtr perf,
virPerfEventType type);
int virPerfReadEvent(virPerfPtr perf,
virPerfEventType type,
uint64_t *value);
#endif /* __VIR_PERF_H__ */