enable_stats.c (1241B)
1// SPDX-License-Identifier: GPL-2.0 2#include <test_progs.h> 3#include "test_enable_stats.skel.h" 4 5void test_enable_stats(void) 6{ 7 struct test_enable_stats *skel; 8 int stats_fd, err, prog_fd; 9 struct bpf_prog_info info; 10 __u32 info_len = sizeof(info); 11 int duration = 0; 12 13 skel = test_enable_stats__open_and_load(); 14 if (CHECK(!skel, "skel_open_and_load", "skeleton open/load failed\n")) 15 return; 16 17 stats_fd = bpf_enable_stats(BPF_STATS_RUN_TIME); 18 if (CHECK(stats_fd < 0, "get_stats_fd", "failed %d\n", errno)) { 19 test_enable_stats__destroy(skel); 20 return; 21 } 22 23 err = test_enable_stats__attach(skel); 24 if (CHECK(err, "attach_raw_tp", "err %d\n", err)) 25 goto cleanup; 26 27 test_enable_stats__detach(skel); 28 29 prog_fd = bpf_program__fd(skel->progs.test_enable_stats); 30 memset(&info, 0, info_len); 31 err = bpf_obj_get_info_by_fd(prog_fd, &info, &info_len); 32 if (CHECK(err, "get_prog_info", 33 "failed to get bpf_prog_info for fd %d\n", prog_fd)) 34 goto cleanup; 35 if (CHECK(info.run_time_ns == 0, "check_stats_enabled", 36 "failed to enable run_time_ns stats\n")) 37 goto cleanup; 38 39 CHECK(info.run_cnt != skel->bss->count, "check_run_cnt_valid", 40 "invalid run_cnt stats\n"); 41 42cleanup: 43 test_enable_stats__destroy(skel); 44 close(stats_fd); 45}