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Adding kprobe multi triggering benchmarks. It's useful now to bench new fprobe implementation and might be useful later as well. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Signed-off-by: Andrii Nakryiko <andrii@kernel.org> Link: https://lore.kernel.org/bpf/20240311211023.590321-1-jolsa@kernel.org
91 lines
1.6 KiB
C
91 lines
1.6 KiB
C
// SPDX-License-Identifier: GPL-2.0
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// Copyright (c) 2020 Facebook
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#include <linux/bpf.h>
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#include <asm/unistd.h>
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#include <bpf/bpf_helpers.h>
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#include <bpf/bpf_tracing.h>
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#include "bpf_misc.h"
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char _license[] SEC("license") = "GPL";
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long hits = 0;
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SEC("tp/syscalls/sys_enter_getpgid")
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int bench_trigger_tp(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("raw_tp/sys_enter")
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int BPF_PROG(bench_trigger_raw_tp, struct pt_regs *regs, long id)
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{
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if (id == __NR_getpgid)
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("kprobe/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_kprobe(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("kretprobe/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_kretprobe(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("kprobe.multi/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_kprobe_multi(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("kretprobe.multi/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_kretprobe_multi(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("fentry/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_fentry(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("fexit/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_fexit(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("fentry.s/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_fentry_sleep(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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SEC("fmod_ret/" SYS_PREFIX "sys_getpgid")
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int bench_trigger_fmodret(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return -22;
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}
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SEC("uprobe")
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int bench_trigger_uprobe(void *ctx)
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{
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__sync_add_and_fetch(&hits, 1);
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return 0;
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}
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