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3 Commits

Author SHA1 Message Date
Kees Cook
81a0c8bc82 selftests/seccomp: Improve calibration loop 
The seccomp benchmark calibration loop did not need to take so long.
Instead, use a simple 1 second timeout and multiply up to target. It
does not need to be accurate.

Signed-off-by: Kees Cook <keescook@chromium.org>
 2020-07-10 16:01:52 -07:00
Kees Cook
d3a37ea9f6 selftests/seccomp: Expand benchmark to per-filter measurements 
It's useful to see how much (at a minimum) each filter adds to the
syscall overhead. Add additional calculations.

Signed-off-by: Kees Cook <keescook@chromium.org>
 2020-07-10 16:01:52 -07:00
Kees Cook
967d7ba841 selftests/seccomp: Add simple seccomp overhead benchmark 
This attempts to produce a comparison between native getpid() and a
RET_ALLOW-filtered getpid(), to measure the overhead cost of using
seccomp().

Signed-off-by: Kees Cook <keescook@chromium.org>
 2017-08-14 13:46:41 -07:00