Messages in this thread Patch in this message | | | From | kan.liang@linux ... | Subject | [PATCH V2 2/4] perf: Add filter_match() as a parameter for pinned/flexible_sched_in() | Date | Wed, 15 May 2019 14:01:30 -0700 |
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From: Kan Liang <kan.liang@linux.intel.com>
A fast path will be introduced in the following patches to speed up the cgroup events sched in, which only needs a simpler filter_match().
Add filter_match() as a parameter for pinned/flexible_sched_in().
No functional change.
Signed-off-by: Kan Liang <kan.liang@linux.intel.com> --- kernel/events/core.c | 15 +++++++++------ 1 file changed, 9 insertions(+), 6 deletions(-)
diff --git a/kernel/events/core.c b/kernel/events/core.c index e7ca0474..a3885e68 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3316,7 +3316,8 @@ static void cpu_ctx_sched_out(struct perf_cpu_context *cpuctx, } static int visit_groups_merge(struct perf_event_groups *groups, int cpu, - int (*func)(struct perf_event *, void *), void *data) + int (*func)(struct perf_event *, void *, int (*)(struct perf_event *)), + void *data) { struct perf_event **evt, *evt1, *evt2; int ret; @@ -3336,7 +3337,7 @@ static int visit_groups_merge(struct perf_event_groups *groups, int cpu, evt = &evt2; } - ret = func(*evt, data); + ret = func(*evt, data, event_filter_match); if (ret) return ret; @@ -3353,7 +3354,8 @@ struct sched_in_data { enum event_type_t event_type; }; -static int pinned_sched_in(struct perf_event *event, void *data) +static int pinned_sched_in(struct perf_event *event, void *data, + int (*filter_match)(struct perf_event *)) { struct sched_in_data *sid = data; @@ -3363,7 +3365,7 @@ static int pinned_sched_in(struct perf_event *event, void *data) if (perf_cgroup_skip_switch(sid->event_type, event, true)) return 0; - if (!event_filter_match(event)) + if (!filter_match(event)) return 0; if (group_can_go_on(event, sid->cpuctx, sid->can_add_hw)) { @@ -3381,7 +3383,8 @@ static int pinned_sched_in(struct perf_event *event, void *data) return 0; } -static int flexible_sched_in(struct perf_event *event, void *data) +static int flexible_sched_in(struct perf_event *event, void *data, + int (*filter_match)(struct perf_event *)) { struct sched_in_data *sid = data; @@ -3391,7 +3394,7 @@ static int flexible_sched_in(struct perf_event *event, void *data) if (perf_cgroup_skip_switch(sid->event_type, event, false)) return 0; - if (!event_filter_match(event)) + if (!filter_match(event)) return 0; if (group_can_go_on(event, sid->cpuctx, sid->can_add_hw)) { -- 2.7.4
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