From: Andrii Nakryiko Date: Thu, 16 Feb 2023 00:29:32 +0000 (-0800) Subject: Merge branch 'New benchmark for hashmap lookups' X-Git-Url: http://git.maquefel.me/?a=commitdiff_plain;h=d964f09af457f79be637a50e726d4bda7f443349;p=linux.git Merge branch 'New benchmark for hashmap lookups' Anton Protopopov says: ==================== Add a new benchmark for hashmap lookups and fix several typos. In commit 3 I've patched the bench utility so that now command line options can be reused by different benchmarks. The benchmark itself is added in the last commit 7. I was using this benchmark to test map lookup productivity when using a different hash function [1]. When run with --quiet, the results can be easily plotted [2]. The results provided by the benchmark look reasonable and match the results of my different benchmarks (requiring to patch kernel to get actual statistics on map lookups). Links: [1] https://fosdem.org/2023/schedule/event/bpf_hashing/ [2] https://github.com/aspsk/bpf-bench/tree/master/hashmap-bench Changes, v1->v2: - percpu_times_index[] is of wrong size (Martin) - use base 0 for strtol (Andrii) - just use -q without argument (Andrii) - use less hacks when parsing arguments (Andrii) ==================== Signed-off-by: Andrii Nakryiko --- d964f09af457f79be637a50e726d4bda7f443349