diff options
| author | Jesper Dangaard Brouer <[email protected]> | 2017-11-01 12:44:45 +0100 |
|---|---|---|
| committer | David S. Miller <[email protected]> | 2017-11-02 16:13:14 +0900 |
| commit | 03c4cc385faaa46e5877f499c6b997fef792f8d3 (patch) | |
| tree | 0e384397a2bb6b6a0483b151622edbf7aaa8b99a /tools/perf/scripts/python/futex-contention.py | |
| parent | 14e83bf82961aeebef41976139c61ab82c84a238 (diff) | |
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 <[email protected]>
Acked-by: John Fastabend <[email protected]>
Acked-by: Alexei Starovoitov <[email protected]>
Signed-off-by: David S. Miller <[email protected]>
Diffstat (limited to 'tools/perf/scripts/python/futex-contention.py')
0 files changed, 0 insertions, 0 deletions