1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/err.h> 3 #include <event-parse.h> 4 #include "evsel.h" 5 #include "tests.h" 6 #include "debug.h" 7 8 static int evsel__test_field(struct evsel *evsel, const char *name, int size, bool should_be_signed) 9 { 10 struct tep_format_field *field = evsel__field(evsel, name); 11 int is_signed; 12 int ret = 0; 13 14 if (field == NULL) { 15 pr_debug("%s: \"%s\" field not found!\n", evsel->name, name); 16 return -1; 17 } 18 19 is_signed = !!(field->flags & TEP_FIELD_IS_SIGNED); 20 if (should_be_signed && !is_signed) { 21 pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n", 22 evsel->name, name, is_signed, should_be_signed); 23 ret = -1; 24 } 25 26 if (field->size != size) { 27 pr_debug("%s: \"%s\" size (%d) should be %d!\n", 28 evsel->name, name, field->size, size); 29 ret = -1; 30 } 31 32 return ret; 33 } 34 35 static int test__perf_evsel__tp_sched_test(struct test_suite *test __maybe_unused, 36 int subtest __maybe_unused) 37 { 38 struct evsel *evsel = evsel__newtp("sched", "sched_switch"); 39 int ret = TEST_OK; 40 41 if (IS_ERR(evsel)) { 42 pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel)); 43 return PTR_ERR(evsel) == -EACCES ? TEST_SKIP : TEST_FAIL; 44 } 45 46 if (evsel__test_field(evsel, "prev_comm", 16, false)) 47 ret = TEST_FAIL; 48 49 if (evsel__test_field(evsel, "prev_pid", 4, true)) 50 ret = TEST_FAIL; 51 52 if (evsel__test_field(evsel, "prev_prio", 4, true)) 53 ret = TEST_FAIL; 54 55 if (evsel__test_field(evsel, "prev_state", sizeof(long), true)) 56 ret = TEST_FAIL; 57 58 if (evsel__test_field(evsel, "next_comm", 16, false)) 59 ret = TEST_FAIL; 60 61 if (evsel__test_field(evsel, "next_pid", 4, true)) 62 ret = TEST_FAIL; 63 64 if (evsel__test_field(evsel, "next_prio", 4, true)) 65 ret = TEST_FAIL; 66 67 evsel__delete(evsel); 68 69 evsel = evsel__newtp("sched", "sched_wakeup"); 70 71 if (IS_ERR(evsel)) { 72 pr_debug("evsel__newtp failed with %ld\n", PTR_ERR(evsel)); 73 return TEST_FAIL; 74 } 75 76 if (evsel__test_field(evsel, "comm", 16, false)) 77 ret = TEST_FAIL; 78 79 if (evsel__test_field(evsel, "pid", 4, true)) 80 ret = TEST_FAIL; 81 82 if (evsel__test_field(evsel, "prio", 4, true)) 83 ret = TEST_FAIL; 84 85 if (evsel__test_field(evsel, "target_cpu", 4, true)) 86 ret = TEST_FAIL; 87 88 evsel__delete(evsel); 89 return ret; 90 } 91 92 static struct test_case tests__perf_evsel__tp_sched_test[] = { 93 TEST_CASE_REASON("Parse sched tracepoints fields", 94 perf_evsel__tp_sched_test, 95 "permissions"), 96 { .name = NULL, } 97 }; 98 99 struct test_suite suite__perf_evsel__tp_sched_test = { 100 .desc = "Parse sched tracepoints fields", 101 .test_cases = tests__perf_evsel__tp_sched_test, 102 }; 103