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author | 2017-11-01 12:44:45 +0100 | |
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committer | 2017-11-02 16:13:14 +0900 | |
commit | 03c4cc385faaa46e5877f499c6b997fef792f8d3 (patch) | |
tree | 0e384397a2bb6b6a0483b151622edbf7aaa8b99a /tools/perf/scripts/python/call-graph-from-sql.py | |
parent | Merge branch 'net-sched-block-callbacks-follow-up' (diff) | |
download | linux-dev-03c4cc385faaa46e5877f499c6b997fef792f8d3.tar.xz linux-dev-03c4cc385faaa46e5877f499c6b997fef792f8d3.zip |
bpf: cpumap micro-optimization in cpu_map_enqueue
Discovered that the compiler laid-out asm code in suboptimal way
when studying perf report during benchmarking of cpumap. Help
the compiler by the marking unlikely code paths.
Signed-off-by: Jesper Dangaard Brouer <brouer@redhat.com>
Acked-by: John Fastabend <john.fastabend@gmail.com>
Acked-by: Alexei Starovoitov <ast@kernel.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/call-graph-from-sql.py')
0 files changed, 0 insertions, 0 deletions