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| author | Eric Dumazet <edumazet@google.com> | 2021-01-28 19:21:45 +0300 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2021-01-30 07:59:53 +0300 |
| commit | 0d6cd689f9ba47deffffe9dfd204843ce8f1a51e (patch) | |
| tree | 3e5c70083f679eb9054fa4f4d8ff2aa026ea278b /tools/perf/scripts/python/check-perf-trace.py | |
| parent | df610cd9163b90adc3b5c23868089a0349580551 (diff) | |
| download | linux-0d6cd689f9ba47deffffe9dfd204843ce8f1a51e.tar.xz | |
net: proc: speedup /proc/net/netstat
Use cache friendly helpers to better use cpu caches
while reading /proc/net/netstat
Tested on a platform with 256 threads (AMD Rome)
Before: 305 usec spent in netstat_seq_show()
After: 130 usec spent in netstat_seq_show()
Signed-off-by: Eric Dumazet <edumazet@google.com>
Link: https://lore.kernel.org/r/20210128162145.1703601-1-eric.dumazet@gmail.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/check-perf-trace.py')
0 files changed, 0 insertions, 0 deletions