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| author |   Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-09-05 13:26:17 +0200 |
|---|---|---|
| committer | Heiko Carstens <heiko.carstens@de.ibm.com> | 2013-09-28 12:46:29 +0200 |
| commit | efc1d23b3d9af8cbff9f26677d67fb9c1b9cb792 (patch) | |
| tree | 3d8aeeff16451c5bd61ead4e68bb418e71a3d3bb /tools/perf/util/scripting-engines/trace-event-python.c | |
| parent | lockref: use arch_mutex_cpu_relax() in CMPXCHG_LOOP() (diff) | |
| download | wireguard-linux-efc1d23b3d9af8cbff9f26677d67fb9c1b9cb792.tar.xz wireguard-linux-efc1d23b3d9af8cbff9f26677d67fb9c1b9cb792.zip | |
s390: enable ARCH_USE_CMPXCHG_LOCKREF
Enable ARCH_USE_CMPXCHG_LOCKREF since it shows performance improvements
with Linus' simple stat() test case of up to 50% on a 30 cpu system.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Diffstat (limited to 'tools/perf/util/scripting-engines/trace-event-python.c')
0 files changed, 0 insertions, 0 deletions