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perf/core: Rename perf_proc_update_handler() -> perf_event_max_sample…
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…_rate_handler(), for readability

Follow the naming pattern of the other sysctl handlers in perf.

Signed-off-by: Xiu Jianfeng <[email protected]>
Signed-off-by: Ingo Molnar <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
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Xiu Jianfeng authored and Ingo Molnar committed Oct 5, 2023
1 parent 618e77d commit e6814ec
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Showing 3 changed files with 4 additions and 4 deletions.
2 changes: 1 addition & 1 deletion include/linux/perf_event.h
Original file line number Diff line number Diff line change
Expand Up @@ -1573,7 +1573,7 @@ extern int sysctl_perf_cpu_time_max_percent;

extern void perf_sample_event_took(u64 sample_len_ns);

int perf_proc_update_handler(struct ctl_table *table, int write,
int perf_event_max_sample_rate_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos);
int perf_cpu_time_max_percent_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos);
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4 changes: 2 additions & 2 deletions kernel/events/core.c
Original file line number Diff line number Diff line change
Expand Up @@ -449,8 +449,8 @@ static void update_perf_cpu_limits(void)

static bool perf_rotate_context(struct perf_cpu_pmu_context *cpc);

int perf_proc_update_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
int perf_event_max_sample_rate_handler(struct ctl_table *table, int write,
void *buffer, size_t *lenp, loff_t *ppos)
{
int ret;
int perf_cpu = sysctl_perf_cpu_time_max_percent;
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2 changes: 1 addition & 1 deletion kernel/sysctl.c
Original file line number Diff line number Diff line change
Expand Up @@ -1983,7 +1983,7 @@ static struct ctl_table kern_table[] = {
.data = &sysctl_perf_event_sample_rate,
.maxlen = sizeof(sysctl_perf_event_sample_rate),
.mode = 0644,
.proc_handler = perf_proc_update_handler,
.proc_handler = perf_event_max_sample_rate_handler,
.extra1 = SYSCTL_ONE,
},
{
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