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perf/core: Export perf_exclude_event()

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While at it, rename the same function in s390 cpum_sf PMU.

Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Tested-by: Ravi Bangoria <ravi.bangoria@amd.com>
Reviewed-by: Ravi Bangoria <ravi.bangoria@amd.com>
Acked-by: Thomas Richter <tmricht@linux.ibm.com>
Link: https://lore.kernel.org/r/20241203180441.1634709-2-namhyung@kernel.org
This commit is contained in:
Namhyung Kim 2024-12-03 10:04:40 -08:00 committed by Ingo Molnar
parent 8622e45b5d
commit 6057b90ecc
3 changed files with 10 additions and 5 deletions
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6
arch/s390/kernel/perf_cpum_sf.c
View File

@ -981,7 +981,7 @@ static void cpumsf_pmu_disable(struct pmu *pmu)
cpuhw->flags &= ~PMU_F_ENABLED;
}
/* perf_exclude_event() - Filter event
/* perf_event_exclude() - Filter event
* @event: The perf event
* @regs: pt_regs structure
* @sde_regs: Sample-data-entry (sde) regs structure
@ -990,7 +990,7 @@ static void cpumsf_pmu_disable(struct pmu *pmu)
*
* Return non-zero if the event shall be excluded.
*/
static int perf_exclude_event(struct perf_event *event, struct pt_regs *regs,
static int perf_event_exclude(struct perf_event *event, struct pt_regs *regs,
struct perf_sf_sde_regs *sde_regs)
{
if (event->attr.exclude_user && user_mode(regs))
@ -1073,7 +1073,7 @@ static int perf_push_sample(struct perf_event *event,
data.tid_entry.pid = basic->hpp & LPP_PID_MASK;
overflow = 0;
if (perf_exclude_event(event, &regs, sde_regs))
if (perf_event_exclude(event, &regs, sde_regs))
goto out;
if (perf_event_overflow(event, &data, &regs)) {
overflow = 1;

6
include/linux/perf_event.h
View File

@ -1690,6 +1690,8 @@ static inline int perf_allow_tracepoint(struct perf_event_attr *attr)
return security_perf_event_open(attr, PERF_SECURITY_TRACEPOINT);
}
extern int perf_exclude_event(struct perf_event *event, struct pt_regs *regs);
extern void perf_event_init(void);
extern void perf_tp_event(u16 event_type, u64 count, void *record,
int entry_size, struct pt_regs *regs,
@ -1895,6 +1897,10 @@ static inline u64 perf_event_pause(struct perf_event *event, bool reset)
{
return 0;
}
static inline int perf_exclude_event(struct perf_event *event, struct pt_regs *regs)
{
return 0;
}
#endif
#if defined(CONFIG_PERF_EVENTS) && defined(CONFIG_CPU_SUP_INTEL)

3
kernel/events/core.c
View File

@ -10039,8 +10039,7 @@ static void perf_swevent_event(struct perf_event *event, u64 nr,
perf_swevent_overflow(event, 0, data, regs);
}
static int perf_exclude_event(struct perf_event *event,
struct pt_regs *regs)
int perf_exclude_event(struct perf_event *event, struct pt_regs *regs)
{
if (event->hw.state & PERF_HES_STOPPED)
return 1;