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28b446292b
This patch implement a set of interfaces for perf event. Based on these interfaces, we can implement internal driver API for perf, and get the results of perf conuter you care about. Signed-off-by: Qiaowei Ren <qiaowei.ren@intel.com> Message-id: 1459171833-26416-4-git-send-email-qiaowei.ren@intel.com
64 lines
1.7 KiB
C
64 lines
1.7 KiB
C
/*
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* virperf.h: methods for managing perf events
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library. If not, see
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* <http://www.gnu.org/licenses/>.
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*
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* Authors:
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* Ren Qiaowei <qiaowei.ren@intel.com>
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*/
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#ifndef __VIR_PERF_H__
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# define __VIR_PERF_H__
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# include "virutil.h"
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typedef enum {
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VIR_PERF_EVENT_CMT,
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VIR_PERF_EVENT_LAST
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} virPerfEventType;
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VIR_ENUM_DECL(virPerfEvent);
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# define VIR_PERF_PARAMETERS \
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VIR_PERF_PARAM_CMT, VIR_TYPED_PARAM_BOOLEAN, \
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NULL
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struct virPerf;
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typedef struct virPerf *virPerfPtr;
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virPerfPtr virPerfNew(void);
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void virPerfFree(virPerfPtr perf);
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int virPerfEventEnable(virPerfPtr perf,
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virPerfEventType type,
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pid_t pid);
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int virPerfEventDisable(virPerfPtr perf,
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virPerfEventType type);
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bool virPerfEventIsEnabled(virPerfPtr perf,
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virPerfEventType type);
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int virPerfGetEventFd(virPerfPtr perf,
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virPerfEventType type);
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int virPerfReadEvent(virPerfPtr perf,
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virPerfEventType type,
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uint64_t *value);
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#endif /* __VIR_PERF_H__ */
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