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Date: Mon, 29 Apr 2019 07:44:03 -0700 From: kan.liang@...ux.intel.com To: peterz@...radead.org, tglx@...utronix.de, mingo@...hat.com, linux-kernel@...r.kernel.org Cc: eranian@...gle.com, tj@...nel.org, ak@...ux.intel.com, Kan Liang <kan.liang@...ux.intel.com> Subject: [PATCH 2/4] perf: Add filter_match() as a parameter for pinned/flexible_sched_in() From: Kan Liang <kan.liang@...ux.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@...ux.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 388dd42..782fd86 100644 --- a/kernel/events/core.c +++ b/kernel/events/core.c @@ -3251,7 +3251,8 @@ 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; @@ -3271,7 +3272,7 @@ 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; @@ -3287,7 +3288,8 @@ struct sched_in_data { int can_add_hw; }; -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; @@ -3300,7 +3302,7 @@ static int pinned_sched_in(struct perf_event *event, void *data) return 0; #endif - if (!event_filter_match(event)) + if (!filter_match(event)) return 0; if (group_can_go_on(event, sid->cpuctx, sid->can_add_hw)) { @@ -3318,7 +3320,8 @@ 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; @@ -3331,7 +3334,7 @@ static int flexible_sched_in(struct perf_event *event, void *data) return 0; #endif - 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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