63 lines
1.1 KiB
C
63 lines
1.1 KiB
C
// 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;
|
|
}
|