tracing: optimization of branch tracer

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Impact: better performance for if branch tracer

Use an array to count the hit and misses of a conditional instead
of using another conditional. This cuts down on saturation of branch
predictions and increases performance of modern pipelined architectures.

Signed-off-by: Witold Baryluk <baryluk@smp.if.uj.edu.pl>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>

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Witold Baryluk 2009-03-17 21:15:44 +01:00 • committed by Steven Rostedt

parent af4617bdba

commit 97e7e4f391

1 changed files with 2 additions and 4 deletions

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include/linux/compiler.h

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