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perf: add page_faults software perf event support

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This patch adds support and documentation
for the page_faults perf event.

Signed-off-by: Nitesh Konkar <nitkon12@linux.vnet.ibm.com>
This commit is contained in:
Nitesh Konkar
2017-02-23 20:25:32 +05:30
committed by John Ferlan
parent 20dc690865
commit 6ef2c7e00f
9 changed files with 32 additions and 1 deletions
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11
include/libvirt/libvirt-domain.h
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@@ -2210,6 +2210,17 @@ void virDomainStatsRecordListFree(virDomainStatsRecordPtr *stats);
*/
# define VIR_PERF_PARAM_TASK_CLOCK "task_clock"
/**
* VIR_PERF_PARAM_PAGE_FAULTS:
*
* Macro for typed parameter name that represents page_faults
* perf event which can be used to measure the count of page
* faults by applications running on the platform. It corresponds
* to the "perf.page_faults" field in the *Stats APIs.
*/
# define VIR_PERF_PARAM_PAGE_FAULTS "page_faults"
int virDomainGetPerfEvents(virDomainPtr dom,
virTypedParameterPtr *params,
int *nparams,