1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2021 Facebook */ 3 #include <test_progs.h> 4 #include "timer.skel.h" 5 6 static int timer(struct timer *timer_skel) 7 { 8 int err, prog_fd; 9 __u32 duration = 0, retval; 10 11 err = timer__attach(timer_skel); 12 if (!ASSERT_OK(err, "timer_attach")) 13 return err; 14 15 ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1"); 16 ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1"); 17 18 prog_fd = bpf_program__fd(timer_skel->progs.test1); 19 err = bpf_prog_test_run(prog_fd, 1, NULL, 0, 20 NULL, NULL, &retval, &duration); 21 ASSERT_OK(err, "test_run"); 22 ASSERT_EQ(retval, 0, "test_run"); 23 timer__detach(timer_skel); 24 25 usleep(50); /* 10 usecs should be enough, but give it extra */ 26 /* check that timer_cb1() was executed 10+10 times */ 27 ASSERT_EQ(timer_skel->data->callback_check, 42, "callback_check2"); 28 ASSERT_EQ(timer_skel->data->callback2_check, 42, "callback2_check2"); 29 30 /* check that timer_cb2() was executed twice */ 31 ASSERT_EQ(timer_skel->bss->bss_data, 10, "bss_data"); 32 33 /* check that there were no errors in timer execution */ 34 ASSERT_EQ(timer_skel->bss->err, 0, "err"); 35 36 /* check that code paths completed */ 37 ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok"); 38 39 return 0; 40 } 41 42 void test_timer(void) 43 { 44 struct timer *timer_skel = NULL; 45 int err; 46 47 timer_skel = timer__open_and_load(); 48 if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load")) 49 goto cleanup; 50 51 err = timer(timer_skel); 52 ASSERT_OK(err, "timer"); 53 cleanup: 54 timer__destroy(timer_skel); 55 } 56