diff options
author | Jiri Olsa <jolsa@kernel.org> | 2024-03-11 14:16:01 +0100 |
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committer | Jiri Olsa <jolsa@kernel.org> | 2024-03-11 14:36:06 +0100 |
commit | 04dfc1a552163ba12b3a5f47d1d9928fc4716a3e (patch) | |
tree | a3b302dd85937c42f30acd1ed67cb1f573dad8dc | |
parent | e8b8a28770480bce1d6577a233a320e7a40c7a42 (diff) | |
download | perf-bench.tar.gz |
selftests/bpf: add kprobe multi triggering benchmarksbench
It's usefull to compare the current new fprobe-on-fgraph
kprobe-multi/fprobe implementations.
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
-rw-r--r-- | tools/testing/selftests/bpf/bench.c | 4 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/benchs/bench_trigger.c | 32 | ||||
-rw-r--r-- | tools/testing/selftests/bpf/progs/trigger_bench.c | 14 |
3 files changed, 50 insertions, 0 deletions
diff --git a/tools/testing/selftests/bpf/bench.c b/tools/testing/selftests/bpf/bench.c index 8e02645afe3122..b2b4c391eb0ac2 100644 --- a/tools/testing/selftests/bpf/bench.c +++ b/tools/testing/selftests/bpf/bench.c @@ -496,6 +496,8 @@ extern const struct bench bench_trig_tp; extern const struct bench bench_trig_rawtp; extern const struct bench bench_trig_kprobe; extern const struct bench bench_trig_kretprobe; +extern const struct bench bench_trig_kprobe_multi; +extern const struct bench bench_trig_kretprobe_multi; extern const struct bench bench_trig_fentry; extern const struct bench bench_trig_fexit; extern const struct bench bench_trig_fentry_sleep; @@ -542,6 +544,8 @@ static const struct bench *benchs[] = { &bench_trig_rawtp, &bench_trig_kprobe, &bench_trig_kretprobe, + &bench_trig_kprobe_multi, + &bench_trig_kretprobe_multi, &bench_trig_fentry, &bench_trig_fexit, &bench_trig_fentry_sleep, diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c index 3f24be9cfcb971..ace0d1011a8e51 100644 --- a/tools/testing/selftests/bpf/benchs/bench_trigger.c +++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c @@ -91,6 +91,18 @@ static void trigger_kretprobe_setup(void) attach_bpf(ctx.skel->progs.bench_trigger_kretprobe); } +static void trigger_kprobe_multi_setup(void) +{ + setup_ctx(); + attach_bpf(ctx.skel->progs.bench_trigger_kprobe_multi); +} + +static void trigger_kretprobe_multi_setup(void) +{ + setup_ctx(); + attach_bpf(ctx.skel->progs.bench_trigger_kretprobe_multi); +} + static void trigger_fentry_setup(void) { setup_ctx(); @@ -283,6 +295,26 @@ const struct bench bench_trig_kretprobe = { .report_final = hits_drops_report_final, }; +const struct bench bench_trig_kprobe_multi = { + .name = "trig-kprobe-multi", + .validate = trigger_validate, + .setup = trigger_kprobe_multi_setup, + .producer_thread = trigger_producer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + +const struct bench bench_trig_kretprobe_multi = { + .name = "trig-kretprobe-multi", + .validate = trigger_validate, + .setup = trigger_kretprobe_multi_setup, + .producer_thread = trigger_producer, + .measure = trigger_measure, + .report_progress = hits_drops_report_progress, + .report_final = hits_drops_report_final, +}; + const struct bench bench_trig_fentry = { .name = "trig-fentry", .validate = trigger_validate, diff --git a/tools/testing/selftests/bpf/progs/trigger_bench.c b/tools/testing/selftests/bpf/progs/trigger_bench.c index eb94f9c0186f56..5fda43901033a3 100644 --- a/tools/testing/selftests/bpf/progs/trigger_bench.c +++ b/tools/testing/selftests/bpf/progs/trigger_bench.c @@ -40,6 +40,20 @@ int bench_trigger_kretprobe(void *ctx) return 0; } +SEC("kprobe.multi/" SYS_PREFIX "sys_getpgid") +int bench_trigger_kprobe_multi(void *ctx) +{ + __sync_add_and_fetch(&hits, 1); + return 0; +} + +SEC("kretprobe.multi/" SYS_PREFIX "sys_getpgid") +int bench_trigger_kretprobe_multi(void *ctx) +{ + __sync_add_and_fetch(&hits, 1); + return 0; +} + SEC("fentry/" SYS_PREFIX "sys_getpgid") int bench_trigger_fentry(void *ctx) { |