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author | 2019-11-21 21:24:56 +0300 | |
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committer | 2019-11-25 19:56:10 -0700 | |
commit | 9835d6fafba58e6d9386a6d5af800789bdb52e5b (patch) | |
tree | 1ff0d914ab1d5b612ff899e987eb16d7ffd3cfca /tools/perf/scripts/python/export-to-postgresql.py | |
parent | io_uring: rename __io_submit_sqe() (diff) | |
download | linux-dev-9835d6fafba58e6d9386a6d5af800789bdb52e5b.tar.xz linux-dev-9835d6fafba58e6d9386a6d5af800789bdb52e5b.zip |
io_uring: add likely/unlikely in io_get_sqring()
The number of SQEs to submit is specified by a user, so io_get_sqring()
in most of the cases succeeds. Hint compilers about that.
Checking ASM genereted by gcc 9.2.0 for x64, there is one branch
misprediction.
Signed-off-by: Pavel Begunkov <asml.silence@gmail.com>
Signed-off-by: Jens Axboe <axboe@kernel.dk>
Diffstat (limited to 'tools/perf/scripts/python/export-to-postgresql.py')
0 files changed, 0 insertions, 0 deletions