// SPDX-License-Identifier: GPL-2.0 /* Copyright (c) 2021 Facebook */ #include <test_progs.h> #include "timer.skel.h" static int timer(struct timer *timer_skel) { int err, prog_fd; __u32 duration = 0, retval; err = timer__attach(timer_skel); if (!ASSERT_OK(err, "timer_attach")) return err; ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1"); ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1"); prog_fd = bpf_program__fd(timer_skel->progs.test1); err = bpf_prog_test_run(prog_fd, 1, NULL, 0, NULL, NULL, &retval, &duration); ASSERT_OK(err, "test_run"); ASSERT_EQ(retval, 0, "test_run"); timer__detach(timer_skel); usleep(50); /* 10 usecs should be enough, but give it extra */ /* check that timer_cb1() was executed 10+10 times */ ASSERT_EQ(timer_skel->data->callback_check, 42, "callback_check2"); ASSERT_EQ(timer_skel->data->callback2_check, 42, "callback2_check2"); /* check that timer_cb2() was executed twice */ ASSERT_EQ(timer_skel->bss->bss_data, 10, "bss_data"); /* check that there were no errors in timer execution */ ASSERT_EQ(timer_skel->bss->err, 0, "err"); /* check that code paths completed */ ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok"); return 0; } /* TODO: use pid filtering */ void serial_test_timer(void) { struct timer *timer_skel = NULL; int err; timer_skel = timer__open_and_load(); if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load")) goto cleanup; err = timer(timer_skel); ASSERT_OK(err, "timer"); cleanup: timer__destroy(timer_skel); }