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authorLinus Torvalds <torvalds@linux-foundation.org>2014-06-13 04:42:15 +0200
committerLinus Torvalds <torvalds@linux-foundation.org>2014-06-13 04:42:15 +0200
commitb2e09f633a3994ee97fa6bc734b533d9c8e6ea0f (patch)
tree8f398d3f7ac19a4f4d64862086597f335d977203 /include/trace
parentMerge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kern... (diff)
parentMerge commit '3cf2f34' into sched/core, to fix build error (diff)
downloadlinux-b2e09f633a3994ee97fa6bc734b533d9c8e6ea0f.tar.xz
linux-b2e09f633a3994ee97fa6bc734b533d9c8e6ea0f.zip
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
Pull more scheduler updates from Ingo Molnar: "Second round of scheduler changes: - try-to-wakeup and IPI reduction speedups, from Andy Lutomirski - continued power scheduling cleanups and refactorings, from Nicolas Pitre - misc fixes and enhancements" * 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: sched/deadline: Delete extraneous extern for to_ratio() sched/idle: Optimize try-to-wake-up IPI sched/idle: Simplify wake_up_idle_cpu() sched/idle: Clear polling before descheduling the idle thread sched, trace: Add a tracepoint for IPI-less remote wakeups cpuidle: Set polling in poll_idle sched: Remove redundant assignment to "rt_rq" in update_curr_rt(...) sched: Rename capacity related flags sched: Final power vs. capacity cleanups sched: Remove remaining dubious usage of "power" sched: Let 'struct sched_group_power' care about CPU capacity sched/fair: Disambiguate existing/remaining "capacity" usage sched/fair: Change "has_capacity" to "has_free_capacity" sched/fair: Remove "power" from 'struct numa_stats' sched: Fix signedness bug in yield_to() sched/fair: Use time_after() in record_wakee() sched/balancing: Reduce the rate of needless idle load balancing sched/fair: Fix unlocked reads of some cfs_b->quota/period
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/sched.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/include/trace/events/sched.h b/include/trace/events/sched.h
index 67e1bbf83695..0a68d5ae584e 100644
--- a/include/trace/events/sched.h
+++ b/include/trace/events/sched.h
@@ -530,6 +530,26 @@ TRACE_EVENT(sched_swap_numa,
__entry->dst_pid, __entry->dst_tgid, __entry->dst_ngid,
__entry->dst_cpu, __entry->dst_nid)
);
+
+/*
+ * Tracepoint for waking a polling cpu without an IPI.
+ */
+TRACE_EVENT(sched_wake_idle_without_ipi,
+
+ TP_PROTO(int cpu),
+
+ TP_ARGS(cpu),
+
+ TP_STRUCT__entry(
+ __field( int, cpu )
+ ),
+
+ TP_fast_assign(
+ __entry->cpu = cpu;
+ ),
+
+ TP_printk("cpu=%d", __entry->cpu)
+);
#endif /* _TRACE_SCHED_H */
/* This part must be outside protection */