mirror of https://gitee.com/openkylin/linux.git
55 lines
994 B
C
55 lines
994 B
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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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/__x64_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("fentry/__x64_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("fentry.s/__x64_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/__x64_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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