1 // SPDX-License-Identifier: GPL-2.0
15 #include "parse-events.h"
23 #include "util/sample.h"
61  * test__perf_time_to_tsc - test converting perf time to TSC.
63  * This function implements a test that checks that the conversion of perf time
65  * %0 is returned, otherwise %-1 is returned.  If TSC conversion is not
93 	threads = thread_map__new(-1, getpid(), UINT_MAX);  in test__perf_time_to_tsc()
102 	perf_evlist__set_maps(&evlist->core, cpus, threads);  in test__perf_time_to_tsc()
110 		evsel->core.attr.comm = 1;  in test__perf_time_to_tsc()
111 		evsel->core.attr.disabled = 1;  in test__perf_time_to_tsc()
112 		evsel->core.attr.enable_on_exec = 0;  in test__perf_time_to_tsc()
117 		if (ret == -ENOENT)  in test__perf_time_to_tsc()
126 	pc = evlist->mmap[0].core.base;  in test__perf_time_to_tsc()
129 		if (ret == -EOPNOTSUPP) {  in test__perf_time_to_tsc()
148 	for (i = 0; i < evlist->core.nr_mmaps; i++) {  in test__perf_time_to_tsc()
149 		md = &evlist->mmap[i];  in test__perf_time_to_tsc()
150 		if (perf_mmap__read_init(&md->core) < 0)  in test__perf_time_to_tsc()
153 		while ((event = perf_mmap__read_event(&md->core)) != NULL) {  in test__perf_time_to_tsc()
154 			struct perf_sample sample;  in test__perf_time_to_tsc()  local
156 			if (event->header.type != PERF_RECORD_COMM ||  in test__perf_time_to_tsc()
157 			    (pid_t)event->comm.pid != getpid() ||  in test__perf_time_to_tsc()
158 			    (pid_t)event->comm.tid != getpid())  in test__perf_time_to_tsc()
161 			if (strcmp(event->comm.comm, comm1) == 0) {  in test__perf_time_to_tsc()
163 				CHECK__(evsel__parse_sample(evsel, event, &sample));  in test__perf_time_to_tsc()
164 				comm1_time = sample.time;  in test__perf_time_to_tsc()
166 			if (strcmp(event->comm.comm, comm2) == 0) {  in test__perf_time_to_tsc()
168 				CHECK__(evsel__parse_sample(evsel, event, &sample));  in test__perf_time_to_tsc()
169 				comm2_time = sample.time;  in test__perf_time_to_tsc()
172 			perf_mmap__consume(&md->core);  in test__perf_time_to_tsc()
174 		perf_mmap__read_done(&md->core);  in test__perf_time_to_tsc()
184 	pr_debug("1st event perf time %"PRIu64" tsc %"PRIu64"\n",  in test__perf_time_to_tsc()
186 	pr_debug("rdtsc          time %"PRIu64" tsc %"PRIu64"\n",  in test__perf_time_to_tsc()
188 	pr_debug("2nd event perf time %"PRIu64" tsc %"PRIu64"\n",  in test__perf_time_to_tsc()
211 	TEST_CASE_REASON("Perf time to TSC", perf_time_to_tsc,
217 	.desc = "Convert perf time to TSC",