x86/tests/sample-parsing.c

1 // SPDX-License-Identifier: GPL-2.0-only
10 #include "event.h"
14 #include "util/synthetic-events.h"
17 #include "arch-tests.h"
20 	if (s1->m != s2->m) {				\
49 	union perf_event *event;  in do_test()  local
57 	int err, ret = -1;  in do_test()
61 	event = malloc(bufsz);  in do_test()
62 	if (!event) {  in do_test()
64 		return -1;  in do_test()
67 	memset(event, 0xff, bufsz);  in do_test()
68 	event->header.type = PERF_RECORD_SAMPLE;  in do_test()
69 	event->header.misc = 0;  in do_test()
70 	event->header.size = sz;  in do_test()
72 	err = perf_event__synthesize_sample(event, sample_type, 0, &sample);  in do_test()
80 	for (i = bufsz; i > 0; i--) {  in do_test()
81 		if (*(i - 1 + (u8 *)event) != 0xff)  in do_test()
85 		pr_debug("Event size mismatch: actual %zu vs expected %zu\n",  in do_test()
92 	err = evsel__parse_sample(&evsel, event, &sample_out);  in do_test()
107 	free(event);  in do_test()
113  * test__x86_sample_parsing - test X86 specific sample parsing
115  * This function implements a test that synthesizes a sample event, parses it
117  * test passes %0 is returned, otherwise %-1 is returned.
119  * For now, the PERF_SAMPLE_WEIGHT_STRUCT is the only X86 specific sample type.