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| author | Michael Brown | 2014-05-04 12:45:11 +0200 |
|---|---|---|
| committer | Michael Brown | 2014-05-04 14:39:42 +0200 |
| commit | 6f410a16d946d7015eaa11c1b255c28debb0d8b5 (patch) | |
| tree | 854316bd29bdc637ee09951452c1cb12c7b197a3 /src/core/profile.c | |
| parent | [undi] Place an upper limit on the number of PXENV_UNDI_ISR calls per poll (diff) | |
| download | ipxe-6f410a16d946d7015eaa11c1b255c28debb0d8b5.tar.gz ipxe-6f410a16d946d7015eaa11c1b255c28debb0d8b5.tar.xz ipxe-6f410a16d946d7015eaa11c1b255c28debb0d8b5.zip | |
[profile] Allow interrupts to be excluded from profiling results
Interrupt processing adds noise to profiling results. Allow
interrupts (from within protected mode) to be profiled separately,
with time spent within the interrupt handler being excluded from any
other profiling currently in progress.
Signed-off-by: Michael Brown <mcb30@ipxe.org>
Diffstat (limited to 'src/core/profile.c')
| -rw-r--r-- | src/core/profile.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/src/core/profile.c b/src/core/profile.c index ceaadd6c..150e6b27 100644 --- a/src/core/profile.c +++ b/src/core/profile.c @@ -40,6 +40,9 @@ FILE_LICENCE ( GPL2_OR_LATER ); * to avoid the use of floating-point instructions. */ +/** Accumulated time excluded from profiling */ +unsigned long profile_excluded; + /** * Format a hex fraction (for debugging) * |