perf, trace: Inline perf_swevent_put_recursion_context()
Inline perf_swevent_put_recursion_context into perf_tp_event(), this
shrinks the per trace template code footprint and saves a function
call.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
diff --git a/kernel/perf_event.c b/kernel/perf_event.c
index ff86c55..4bd3b59 100644
--- a/kernel/perf_event.c
+++ b/kernel/perf_event.c
@@ -4213,14 +4213,12 @@
}
EXPORT_SYMBOL_GPL(perf_swevent_get_recursion_context);
-void perf_swevent_put_recursion_context(int rctx)
+void inline perf_swevent_put_recursion_context(int rctx)
{
struct perf_cpu_context *cpuctx = &__get_cpu_var(perf_cpu_context);
barrier();
cpuctx->recursion[rctx]--;
}
-EXPORT_SYMBOL_GPL(perf_swevent_put_recursion_context);
-
void __perf_sw_event(u32 event_id, u64 nr, int nmi,
struct pt_regs *regs, u64 addr)
@@ -4601,7 +4599,7 @@
}
void perf_tp_event(u64 addr, u64 count, void *record, int entry_size,
- struct pt_regs *regs, struct hlist_head *head)
+ struct pt_regs *regs, struct hlist_head *head, int rctx)
{
struct perf_sample_data data;
struct perf_event *event;
@@ -4621,6 +4619,8 @@
perf_swevent_add(event, count, 1, &data, regs);
}
rcu_read_unlock();
+
+ perf_swevent_put_recursion_context(rctx);
}
EXPORT_SYMBOL_GPL(perf_tp_event);