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// SPDX-License-Identifier: GPL-2.0
/* Copyright (c) 2020 Facebook */
#include "bench.h"
#include "trigger_bench.skel.h"
/* BPF triggering benchmarks */
static struct trigger_ctx {
struct trigger_bench *skel;
} ctx;
static struct counter base_hits;
static void trigger_validate()
{
if (env.consumer_cnt != 1) {
fprintf(stderr, "benchmark doesn't support multi-consumer!\n");
exit(1);
}
}
static void *trigger_base_producer(void *input)
{
while (true) {
(void)syscall(__NR_getpgid);
atomic_inc(&base_hits.value);
}
return NULL;
}
static void trigger_base_measure(struct bench_res *res)
{
res->hits = atomic_swap(&base_hits.value, 0);
}
static void *trigger_producer(void *input)
{
while (true)
(void)syscall(__NR_getpgid);
return NULL;
}
static void trigger_measure(struct bench_res *res)
{
res->hits = atomic_swap(&ctx.skel->bss->hits, 0);
}
static void setup_ctx()
{
setup_libbpf();
ctx.skel = trigger_bench__open_and_load();
if (!ctx.skel) {
fprintf(stderr, "failed to open skeleton\n");
exit(1);
}
}
static void attach_bpf(struct bpf_program *prog)
{
struct bpf_link *link;
link = bpf_program__attach(prog);
if (IS_ERR(link)) {
fprintf(stderr, "failed to attach program!\n");
exit(1);
}
}
static void trigger_tp_setup()
{
setup_ctx();
attach_bpf(ctx.skel->progs.bench_trigger_tp);
}
static void trigger_rawtp_setup()
{
setup_ctx();
attach_bpf(ctx.skel->progs.bench_trigger_raw_tp);
}
static void trigger_kprobe_setup()
{
setup_ctx();
attach_bpf(ctx.skel->progs.bench_trigger_kprobe);
}
static void trigger_fentry_setup()
{
setup_ctx();
attach_bpf(ctx.skel->progs.bench_trigger_fentry);
}
static void trigger_fmodret_setup()
{
setup_ctx();
attach_bpf(ctx.skel->progs.bench_trigger_fmodret);
}
static void *trigger_consumer(void *input)
{
return NULL;
}
const struct bench bench_trig_base = {
.name = "trig-base",
.validate = trigger_validate,
.producer_thread = trigger_base_producer,
.consumer_thread = trigger_consumer,
.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,
.consumer_thread = trigger_consumer,
.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,
.consumer_thread = trigger_consumer,
.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,
.consumer_thread = trigger_consumer,
.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,
.consumer_thread = trigger_consumer,
.measure = trigger_measure,
.report_progress = hits_drops_report_progress,
.report_final = hits_drops_report_final,
};
const struct bench bench_trig_fmodret = {
.name = "trig-fmodret",
.validate = trigger_validate,
.setup = trigger_fmodret_setup,
.producer_thread = trigger_producer,
.consumer_thread = trigger_consumer,
.measure = trigger_measure,
.report_progress = hits_drops_report_progress,
.report_final = hits_drops_report_final,
};
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