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// 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>
#include "bpf_misc.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/" SYS_PREFIX "sys_getpgid")
int bench_trigger_kprobe(void *ctx)
{
__sync_add_and_fetch(&hits, 1);
return 0;
}
SEC("fentry/" SYS_PREFIX "sys_getpgid")
int bench_trigger_fentry(void *ctx)
{
__sync_add_and_fetch(&hits, 1);
return 0;
}
SEC("fentry.s/" SYS_PREFIX "sys_getpgid")
int bench_trigger_fentry_sleep(void *ctx)
{
__sync_add_and_fetch(&hits, 1);
return 0;
}
SEC("fmod_ret/" SYS_PREFIX "sys_getpgid")
int bench_trigger_fmodret(void *ctx)
{
__sync_add_and_fetch(&hits, 1);
return -22;
}
SEC("uprobe")
int bench_trigger_uprobe(void *ctx)
{
__sync_add_and_fetch(&hits, 1);
return 0;
}
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