1 // SPDX-License-Identifier: GPL-2.0 2 /* Copyright (c) 2021 Facebook */ 3 #include <test_progs.h> 4 #include "timer.skel.h" 5 #include "timer_failure.skel.h" 6 7 static int timer(struct timer *timer_skel) 8 { 9 int err, prog_fd; 10 LIBBPF_OPTS(bpf_test_run_opts, topts); 11 12 err = timer__attach(timer_skel); 13 if (!ASSERT_OK(err, "timer_attach")) 14 return err; 15 16 ASSERT_EQ(timer_skel->data->callback_check, 52, "callback_check1"); 17 ASSERT_EQ(timer_skel->data->callback2_check, 52, "callback2_check1"); 18 19 prog_fd = bpf_program__fd(timer_skel->progs.test1); 20 err = bpf_prog_test_run_opts(prog_fd, &topts); 21 ASSERT_OK(err, "test_run"); 22 ASSERT_EQ(topts.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 timer_cb3() was executed twice */ 34 ASSERT_EQ(timer_skel->bss->abs_data, 12, "abs_data"); 35 36 /* check that there were no errors in timer execution */ 37 ASSERT_EQ(timer_skel->bss->err, 0, "err"); 38 39 /* check that code paths completed */ 40 ASSERT_EQ(timer_skel->bss->ok, 1 | 2 | 4, "ok"); 41 42 return 0; 43 } 44 45 /* TODO: use pid filtering */ 46 void serial_test_timer(void) 47 { 48 struct timer *timer_skel = NULL; 49 int err; 50 51 timer_skel = timer__open_and_load(); 52 if (!ASSERT_OK_PTR(timer_skel, "timer_skel_load")) 53 return; 54 55 err = timer(timer_skel); 56 ASSERT_OK(err, "timer"); 57 timer__destroy(timer_skel); 58 59 RUN_TESTS(timer_failure); 60 } 61