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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| 
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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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| 
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| char _license[] SEC("license") = "GPL";
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| 
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| long hits = 0;
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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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| 
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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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