1 // SPDX-License-Identifier: GPL-2.0 2 #include <linux/err.h> 3 #include <traceevent/event-parse.h> 4 #include "evsel.h" 5 #include "tests.h" 6 #include "debug.h" 7 8 static int perf_evsel__test_field(struct perf_evsel *evsel, const char *name, 9 int size, bool should_be_signed) 10 { 11 struct format_field *field = perf_evsel__field(evsel, name); 12 int is_signed; 13 int ret = 0; 14 15 if (field == NULL) { 16 pr_debug("%s: \"%s\" field not found!\n", evsel->name, name); 17 return -1; 18 } 19 20 is_signed = !!(field->flags | FIELD_IS_SIGNED); 21 if (should_be_signed && !is_signed) { 22 pr_debug("%s: \"%s\" signedness(%d) is wrong, should be %d\n", 23 evsel->name, name, is_signed, should_be_signed); 24 ret = -1; 25 } 26 27 if (field->size != size) { 28 pr_debug("%s: \"%s\" size (%d) should be %d!\n", 29 evsel->name, name, field->size, size); 30 ret = -1; 31 } 32 33 return ret; 34 } 35 36 int test__perf_evsel__tp_sched_test(struct test *test __maybe_unused, int subtest __maybe_unused) 37 { 38 struct perf_evsel *evsel = perf_evsel__newtp("sched", "sched_switch"); 39 int ret = 0; 40 41 if (IS_ERR(evsel)) { 42 pr_debug("perf_evsel__newtp failed with %ld\n", PTR_ERR(evsel)); 43 return -1; 44 } 45 46 if (perf_evsel__test_field(evsel, "prev_comm", 16, true)) 47 ret = -1; 48 49 if (perf_evsel__test_field(evsel, "prev_pid", 4, true)) 50 ret = -1; 51 52 if (perf_evsel__test_field(evsel, "prev_prio", 4, true)) 53 ret = -1; 54 55 if (perf_evsel__test_field(evsel, "prev_state", sizeof(long), true)) 56 ret = -1; 57 58 if (perf_evsel__test_field(evsel, "next_comm", 16, true)) 59 ret = -1; 60 61 if (perf_evsel__test_field(evsel, "next_pid", 4, true)) 62 ret = -1; 63 64 if (perf_evsel__test_field(evsel, "next_prio", 4, true)) 65 ret = -1; 66 67 perf_evsel__delete(evsel); 68 69 evsel = perf_evsel__newtp("sched", "sched_wakeup"); 70 71 if (IS_ERR(evsel)) { 72 pr_debug("perf_evsel__newtp failed with %ld\n", PTR_ERR(evsel)); 73 return -1; 74 } 75 76 if (perf_evsel__test_field(evsel, "comm", 16, true)) 77 ret = -1; 78 79 if (perf_evsel__test_field(evsel, "pid", 4, true)) 80 ret = -1; 81 82 if (perf_evsel__test_field(evsel, "prio", 4, true)) 83 ret = -1; 84 85 if (perf_evsel__test_field(evsel, "target_cpu", 4, true)) 86 ret = -1; 87 88 return ret; 89 } 90