AcoSail/kernel_optimize_test
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perf/core: Remove 'struct sched_in_data'

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We can deduce the ctx and cpuctx from the event, no need to pass them
along. Remove the structure and pass in can_add_hw directly.

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
Peter Zijlstra 2019-08-07 11:45:01 +02:00 committed by Ingo Molnar
parent ab6f824cfd
commit 2c2366c754
1 changed files with 11 additions and 25 deletions
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36
kernel/events/core.c
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@ -3423,17 +3423,11 @@ static int visit_groups_merge(struct perf_event_groups *groups, int cpu,
return 0;
}
struct sched_in_data {
struct perf_event_context *ctx;
struct perf_cpu_context *cpuctx;
int can_add_hw;
};
static int merge_sched_in(struct perf_event *event, void *data)
{
struct sched_in_data *sid = data;
WARN_ON_ONCE(event->ctx != sid->ctx);
struct perf_event_context *ctx = event->ctx;
struct perf_cpu_context *cpuctx = __get_cpu_context(ctx);
int *can_add_hw = data;
if (event->state <= PERF_EVENT_STATE_OFF)
return 0;
@ -3441,8 +3435,8 @@ static int merge_sched_in(struct perf_event *event, void *data)
if (!event_filter_match(event))
return 0;
if (group_can_go_on(event, sid->cpuctx, sid->can_add_hw)) {
if (!group_sched_in(event, sid->cpuctx, sid->ctx))
if (group_can_go_on(event, cpuctx, *can_add_hw)) {
if (!group_sched_in(event, cpuctx, ctx))
list_add_tail(&event->active_list, get_event_list(event));
}
@ -3450,8 +3444,8 @@ static int merge_sched_in(struct perf_event *event, void *data)
if (event->attr.pinned)
perf_event_set_state(event, PERF_EVENT_STATE_ERROR);
sid->can_add_hw = 0;
sid->ctx->rotate_necessary = 1;
*can_add_hw = 0;
ctx->rotate_necessary = 1;
}
return 0;
@ -3461,30 +3455,22 @@ static void
ctx_pinned_sched_in(struct perf_event_context *ctx,
struct perf_cpu_context *cpuctx)
{
struct sched_in_data sid = {
.ctx = ctx,
.cpuctx = cpuctx,
.can_add_hw = 1,
};
int can_add_hw = 1;
visit_groups_merge(&ctx->pinned_groups,
smp_processor_id(),
merge_sched_in, &sid);
merge_sched_in, &can_add_hw);
}
static void
ctx_flexible_sched_in(struct perf_event_context *ctx,
struct perf_cpu_context *cpuctx)
{
struct sched_in_data sid = {
.ctx = ctx,
.cpuctx = cpuctx,
.can_add_hw = 1,
};
int can_add_hw = 1;
visit_groups_merge(&ctx->flexible_groups,
smp_processor_id(),
merge_sched_in, &sid);
merge_sched_in, &can_add_hw);
}
static void