vmlinux.c (997B)
1// SPDX-License-Identifier: GPL-2.0 2/* Copyright (c) 2020 Facebook */ 3 4#include <test_progs.h> 5#include <time.h> 6#include "test_vmlinux.skel.h" 7 8#define MY_TV_NSEC 1337 9 10static void nsleep() 11{ 12 struct timespec ts = { .tv_nsec = MY_TV_NSEC }; 13 14 (void)syscall(__NR_nanosleep, &ts, NULL); 15} 16 17void test_vmlinux(void) 18{ 19 int duration = 0, err; 20 struct test_vmlinux* skel; 21 struct test_vmlinux__bss *bss; 22 23 skel = test_vmlinux__open_and_load(); 24 if (CHECK(!skel, "skel_open", "failed to open skeleton\n")) 25 return; 26 bss = skel->bss; 27 28 err = test_vmlinux__attach(skel); 29 if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err)) 30 goto cleanup; 31 32 /* trigger everything */ 33 nsleep(); 34 35 CHECK(!bss->tp_called, "tp", "not called\n"); 36 CHECK(!bss->raw_tp_called, "raw_tp", "not called\n"); 37 CHECK(!bss->tp_btf_called, "tp_btf", "not called\n"); 38 CHECK(!bss->kprobe_called, "kprobe", "not called\n"); 39 CHECK(!bss->fentry_called, "fentry", "not called\n"); 40 41cleanup: 42 test_vmlinux__destroy(skel); 43}