diff options
| author | Andy Lutomirski <[email protected]> | 2011-05-23 09:31:31 -0400 |
|---|---|---|
| committer | Thomas Gleixner <[email protected]> | 2011-05-24 14:51:29 +0200 |
| commit | 973aa8181e10050809b56ecbaadd01495766a19e (patch) | |
| tree | 0ca3fa4159ab439913a26bba412db5cbbe1737eb /tools/perf/util/scripting-engines/trace-event-perl.c | |
| parent | f144a6b4d1688675d88990e29567b2335b48205e (diff) | |
x86-64: Optimize vDSO time()
This function just reads a 64-bit variable that's updated
atomically, so we don't need any locks.
Signed-off-by: Andy Lutomirski <[email protected]>
Cc: Andi Kleen <[email protected]>
Cc: Linus Torvalds <[email protected]>
Cc: "David S. Miller" <[email protected]>
Cc: Eric Dumazet <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Borislav Petkov <[email protected]>
Link: http://lkml.kernel.org/r/%3C40e2700f8cda4d511e5910be1e633025d28b36c2.1306156808.git.luto%40mit.edu%3E
Signed-off-by: Thomas Gleixner <[email protected]>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-perl.c')
0 files changed, 0 insertions, 0 deletions