diff options
| author | Qi Liu <[email protected]> | 2021-06-09 14:40:57 +0800 |
|---|---|---|
| committer | Will Deacon <[email protected]> | 2021-06-11 11:18:40 +0100 |
| commit | f8e6d24144d1bfbb8714faa9044e135c0c00bd89 (patch) | |
| tree | 644ad1a5de26b5ab419988146d039b6622a7999c | |
| parent | 4c1daba15c209b99d192f147fea3dade30f72ed2 (diff) | |
perf: Add EVENT_ATTR_ID to simplify event attributes
Similar EVENT_ATTR macros are defined in many PMU drivers,
like Arm PMU driver, Arm SMMU PMU driver. So add a generic
macro to simplify code.
Cc: Peter Zijlstra <[email protected]>
Cc: Ingo Molnar <[email protected]>
Cc: Arnaldo Carvalho de Melo <[email protected]>
Cc: Mark Rutland <[email protected]>
Cc: Alexander Shishkin <[email protected]>
Signed-off-by: Qi Liu <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: Will Deacon <[email protected]>
| -rw-r--r-- | include/linux/perf_event.h | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index f5a6a2f069ed..2d510ad750ed 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -1576,6 +1576,12 @@ static struct perf_pmu_events_attr _var = { \ .event_str = _str, \ }; +#define PMU_EVENT_ATTR_ID(_name, _show, _id) \ + (&((struct perf_pmu_events_attr[]) { \ + { .attr = __ATTR(_name, 0444, _show, NULL), \ + .id = _id, } \ + })[0].attr.attr) + #define PMU_FORMAT_ATTR(_name, _format) \ static ssize_t \ _name##_show(struct device *dev, \ |