// SPDX-License-Identifier: GPL-2.0 // Copyright (c) 2020 Facebook #include <linux/bpf.h> #include <asm/unistd.h> #include <bpf/bpf_helpers.h> #include <bpf/bpf_tracing.h> char _license[] SEC("license") = "GPL"; long hits = 0; SEC("tp/syscalls/sys_enter_getpgid") int bench_trigger_tp(void *ctx) { __sync_add_and_fetch(&hits, 1); return 0; } SEC("raw_tp/sys_enter") int BPF_PROG(bench_trigger_raw_tp, struct pt_regs *regs, long id) { if (id == __NR_getpgid) __sync_add_and_fetch(&hits, 1); return 0; } SEC("kprobe/__x64_sys_getpgid") int bench_trigger_kprobe(void *ctx) { __sync_add_and_fetch(&hits, 1); return 0; } SEC("fentry/__x64_sys_getpgid") int bench_trigger_fentry(void *ctx) { __sync_add_and_fetch(&hits, 1); return 0; } SEC("fentry.s/__x64_sys_getpgid") int bench_trigger_fentry_sleep(void *ctx) { __sync_add_and_fetch(&hits, 1); return 0; } SEC("fmod_ret/__x64_sys_getpgid") int bench_trigger_fmodret(void *ctx) { __sync_add_and_fetch(&hits, 1); return -22; }