// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2020 Facebook */ #include <test_progs.h> #include <time.h> #include "test_vmlinux.skel.h" #define MY_TV_NSEC 1337 static void nsleep() { struct timespec ts = { .tv_nsec = MY_TV_NSEC }; (void)syscall(__NR_nanosleep, &ts, NULL); } void test_vmlinux(void) { int duration = 0, err; struct test_vmlinux* skel; struct test_vmlinux__bss *bss; skel = test_vmlinux__open_and_load(); if (CHECK(!skel, "skel_open", "failed to open skeleton\n")) return; bss = skel->bss; err = test_vmlinux__attach(skel); if (CHECK(err, "skel_attach", "skeleton attach failed: %d\n", err)) goto cleanup; /* trigger everything */ nsleep(); CHECK(!bss->tp_called, "tp", "not called\n"); CHECK(!bss->raw_tp_called, "raw_tp", "not called\n"); CHECK(!bss->tp_btf_called, "tp_btf", "not called\n"); CHECK(!bss->kprobe_called, "kprobe", "not called\n"); CHECK(!bss->fentry_called, "fentry", "not called\n"); cleanup: test_vmlinux__destroy(skel); }