diff options
| author | Peter Zijlstra <a.p.zijlstra@chello.nl> | 2010-05-19 14:02:22 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2010-05-21 11:37:56 +0200 |
| commit | 1c024eca51fdc965290acf342ae16a476c2189d0 (patch) | |
| tree | 28dc160cc70a20eeb8b8825d6d52ea88a6188413 /Documentation/i2c/busses | |
| parent | perf, trace: Optimize tracepoints by removing IRQ-disable from perf/tracepoin... (diff) | |
| download | linux-1c024eca51fdc965290acf342ae16a476c2189d0.tar.xz linux-1c024eca51fdc965290acf342ae16a476c2189d0.zip | |
perf, trace: Optimize tracepoints by using per-tracepoint-per-cpu hlist to track events
Avoid the swevent hash-table by using per-tracepoint
hlists.
Also, avoid conditionals on the fast path by ordering
with probe unregister so that we should never get on
the callback path without the data being there.
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Steven Rostedt <rostedt@goodmis.org>
LKML-Reference: <20100521090710.473188012@chello.nl>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/i2c/busses')
0 files changed, 0 insertions, 0 deletions