| commit | 97e7e4f391cac2b00417b581b432533d245d4fd0 | |
| author | Witold Baryluk <baryluk@smp.if.uj.edu.pl> | |
| Tue, 17 Mar 2009 20:15:44 +0000 (17 21:15 +0100) | ||
| committer | Steven Rostedt <srostedt@redhat.com> | |
| Wed, 18 Mar 2009 03:10:43 +0000 (17 23:10 -0400) | ||
| tree | d51d4776962f5838f4cb4cc804d2c94db185527d | treesnapshot (tar.gz zip) |
| parent | af4617bdba34aa556272b34c3986b0a4d588f568 | commitdiff |
tracing: optimization of branch tracer
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>
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>
| include/linux/compiler.h | diffblobblamehistory |