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selftests/powerpc/pmu: Include mmap_buffer field as part of struct event

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To enable the capturing of samples as part of perf event, add a new
field "mmap_buffer" to "struct event". This field is a place-holder for
sample collection

Signed-off-by: Athira Rajeev <atrajeev@linux.vnet.ibm.com>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20220127072012.662451-2-kjain@linux.ibm.com
This commit is contained in:
Athira Rajeev 2022-01-27 12:49:53 +05:30 committed by Michael Ellerman
parent 8a0edc72be
commit f961e20f15
1 changed files with 5 additions and 0 deletions
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5
tools/testing/selftests/powerpc/pmu/event.h
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@ -22,6 +22,11 @@ struct event {
u64 running;
u64 enabled;
} result;
/*
* mmap buffer used while recording sample.
* Accessed as "struct perf_event_mmap_page"
*/
void *mmap_buffer;
};
void event_init(struct event *e, u64 config);