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| author |   Thomas Gleixner <tglx@linutronix.de> | 2015-04-14 21:08:49 +0000 |
|---|---|---|
| committer | Thomas Gleixner <tglx@linutronix.de> | 2015-04-22 17:06:50 +0200 |
| commit | 895bdfa793f6e912d1a58fc445b3dd4d686f7bd3 (patch) | |
| tree | df602d9bb8097eb9cd0bd6f98addc9b5f5cd333d /tools/perf/scripts/python/call-graph-from-postgresql.py | |
| parent | hrtimer: Make use of timerqueue_add/del return values (diff) | |
| download | wireguard-linux-895bdfa793f6e912d1a58fc445b3dd4d686f7bd3.tar.xz wireguard-linux-895bdfa793f6e912d1a58fc445b3dd4d686f7bd3.zip | |
hrtimer: Keep pointer to first timer and simplify __remove_hrtimer()
__remove_hrtimer() needs to evaluate the expiry time to figure out
whether the timer which is removed is eventually the first expiring
timer on the cpu. Keep a pointer to it, which is lazily updated, so we
can avoid the evaluation dance and retrieve the information from there.
Generates slightly better code.
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Acked-by: Peter Zijlstra <peterz@infradead.org>
Cc: Preeti U Murthy <preeti@linux.vnet.ibm.com>
Cc: Viresh Kumar <viresh.kumar@linaro.org>
Cc: Marcelo Tosatti <mtosatti@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Link: http://lkml.kernel.org/r/20150414203501.752838019@linutronix.de
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-postgresql.py')
0 files changed, 0 insertions, 0 deletions