tracing: add global-clock option to provide cross CPU clock to traces

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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>

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This commit is contained in:

Steven Rostedt 2009-03-17 18:09:55 -04:00

parent 37886f6a9f

commit af4617bdba

2 changed files with 31 additions and 4 deletions

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34

kernel/trace/trace.c

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1

kernel/trace/trace.h

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