diff options
Diffstat (limited to 'tools/testing/selftests/bpf/benchs/bench_trigger.c')
| -rw-r--r-- | tools/testing/selftests/bpf/benchs/bench_trigger.c | 213 |
1 files changed, 26 insertions, 187 deletions
diff --git a/tools/testing/selftests/bpf/benchs/bench_trigger.c b/tools/testing/selftests/bpf/benchs/bench_trigger.c index 20277dabdaf9..7d4f34adfd64 100644 --- a/tools/testing/selftests/bpf/benchs/bench_trigger.c +++ b/tools/testing/selftests/bpf/benchs/bench_trigger.c @@ -99,24 +99,17 @@ static void trigger_validate(void) } } -static void *trigger_base_producer(void *input) -{ - while (true) { - (void)syscall(__NR_getpgid); - inc_counter(base_hits); - } - return NULL; -} - -static void trigger_base_measure(struct bench_res *res) -{ - res->hits = sum_and_reset_counters(base_hits); -} - static void *trigger_producer(void *input) { - while (true) - (void)syscall(__NR_getpgid); + if (ctx.usermode_counters) { + while (true) { + (void)syscall(__NR_getpgid); + inc_counter(base_hits); + } + } else { + while (true) + (void)syscall(__NR_getpgid); + } return NULL; } @@ -170,16 +163,17 @@ static void attach_bpf(struct bpf_program *prog) } } -static void trigger_tp_setup(void) +static void trigger_syscall_count_setup(void) { - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_tp); + ctx.usermode_counters = true; } -static void trigger_rawtp_setup(void) +/* Batched, staying mostly in-kernel triggering setups */ +static void trigger_kernel_count_setup(void) { setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_raw_tp); + /* override driver program */ + ctx.driver_prog_fd = bpf_program__fd(ctx.skel->progs.trigger_count); } static void trigger_kprobe_setup(void) @@ -218,62 +212,6 @@ static void trigger_fexit_setup(void) attach_bpf(ctx.skel->progs.bench_trigger_fexit); } -static void trigger_fentry_sleep_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_fentry_sleep); -} - -static void trigger_fmodret_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_fmodret); -} - -/* Batched, staying mostly in-kernel triggering setups */ -static void trigger_kernel_count_setup(void) -{ - setup_ctx(); - /* override driver program */ - ctx.driver_prog_fd = bpf_program__fd(ctx.skel->progs.trigger_count); -} - -static void trigger_kprobe_batch_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_kprobe_batch); -} - -static void trigger_kretprobe_batch_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_kretprobe_batch); -} - -static void trigger_kprobe_multi_batch_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_kprobe_multi_batch); -} - -static void trigger_kretprobe_multi_batch_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_kretprobe_multi_batch); -} - -static void trigger_fentry_batch_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_fentry_batch); -} - -static void trigger_fexit_batch_setup(void) -{ - setup_ctx(); - attach_bpf(ctx.skel->progs.bench_trigger_fexit_batch); -} - /* make sure call is not inlined and not avoided by compiler, so __weak and * inline asm volatile in the body of the function * @@ -398,109 +336,10 @@ static void uretprobe_ret_setup(void) usetup(true, &uprobe_target_ret); } -const struct bench bench_trig_base = { - .name = "trig-base", - .validate = trigger_validate, - .producer_thread = trigger_base_producer, - .measure = trigger_base_measure, - .report_progress = hits_drops_report_progress, - .report_final = hits_drops_report_final, -}; - -const struct bench bench_trig_tp = { - .name = "trig-tp", - .validate = trigger_validate, - .setup = trigger_tp_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_rawtp = { - .name = "trig-rawtp", - .validate = trigger_validate, - .setup = trigger_rawtp_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_kprobe = { - .name = "trig-kprobe", - .validate = trigger_validate, - .setup = trigger_kprobe_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 = { - .name = "trig-kretprobe", - .validate = trigger_validate, - .setup = trigger_kretprobe_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_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, - .setup = trigger_fentry_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_fexit = { - .name = "trig-fexit", - .validate = trigger_validate, - .setup = trigger_fexit_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_sleep = { - .name = "trig-fentry-sleep", - .validate = trigger_validate, - .setup = trigger_fentry_sleep_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_fmodret = { - .name = "trig-fmodret", +const struct bench bench_trig_syscall_count = { + .name = "trig-syscall-count", .validate = trigger_validate, - .setup = trigger_fmodret_setup, + .setup = trigger_syscall_count_setup, .producer_thread = trigger_producer, .measure = trigger_measure, .report_progress = hits_drops_report_progress, @@ -508,7 +347,7 @@ const struct bench bench_trig_fmodret = { }; /* batched (staying mostly in kernel) kprobe/fentry benchmarks */ -#define BENCH_TRIG_BATCH(KIND, NAME) \ +#define BENCH_TRIG_KERNEL(KIND, NAME) \ const struct bench bench_trig_##KIND = { \ .name = "trig-" NAME, \ .setup = trigger_##KIND##_setup, \ @@ -519,13 +358,13 @@ const struct bench bench_trig_##KIND = { \ .argp = &bench_trigger_batch_argp, \ } -BENCH_TRIG_BATCH(kernel_count, "kernel-count"); -BENCH_TRIG_BATCH(kprobe_batch, "kprobe-batch"); -BENCH_TRIG_BATCH(kretprobe_batch, "kretprobe-batch"); -BENCH_TRIG_BATCH(kprobe_multi_batch, "kprobe-multi-batch"); -BENCH_TRIG_BATCH(kretprobe_multi_batch, "kretprobe-multi-batch"); -BENCH_TRIG_BATCH(fentry_batch, "fentry-batch"); -BENCH_TRIG_BATCH(fexit_batch, "fexit-batch"); +BENCH_TRIG_KERNEL(kernel_count, "kernel-count"); +BENCH_TRIG_KERNEL(kprobe, "kprobe"); +BENCH_TRIG_KERNEL(kretprobe, "kretprobe"); +BENCH_TRIG_KERNEL(kprobe_multi, "kprobe-multi"); +BENCH_TRIG_KERNEL(kretprobe_multi, "kretprobe-multi"); +BENCH_TRIG_KERNEL(fentry, "fentry"); +BENCH_TRIG_KERNEL(fexit, "fexit"); /* uprobe benchmarks */ #define BENCH_TRIG_USERMODE(KIND, PRODUCER, NAME) \ |