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| author |   Steven Rostedt <srostedt@redhat.com> | 2009-03-17 18:09:55 -0400 |
|---|---|---|
| committer | Steven Rostedt <srostedt@redhat.com> | 2009-03-17 23:10:35 -0400 |
| commit | af4617bdba34aa556272b34c3986b0a4d588f568 (patch) | |
| tree | c46a6b695724ee27c0113f6affcebeffcefbcf23 /kernel/trace/trace.h | |
| parent | ring-buffer: add api to allow a tracer to change clock source (diff) | |
| download | linux-dev-af4617bdba34aa556272b34c3986b0a4d588f568.tar.xz linux-dev-af4617bdba34aa556272b34c3986b0a4d588f568.zip | |
tracing: add global-clock option to provide cross CPU clock to traces
Impact: feature to allow better serialized clock
This patch adds an option called "global-clock" that will allow
the tracer to switch to a slower but more accurate (across CPUs)
clock.
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
Diffstat (limited to '')
| -rw-r--r-- | kernel/trace/trace.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h index b0ecad8ecc34..26a7a28ca110 100644 --- a/kernel/trace/trace.h +++ b/kernel/trace/trace.h @@ -667,6 +667,7 @@ enum trace_iterator_flags { TRACE_ITER_PRINTK_MSGONLY = 0x10000, TRACE_ITER_CONTEXT_INFO = 0x20000, /* Print pid/cpu/time */ TRACE_ITER_LATENCY_FMT = 0x40000, + TRACE_ITER_GLOBAL_CLK = 0x80000, }; /* |