4 * Builtin regression testing command: ever growing number of sanity tests
14 #include "parse-options.h"
22 .desc = "vmlinux symtab matches kallsyms",
23 .func = test__vmlinux_matches_kallsyms,
26 .desc = "detect open syscall event",
27 .func = test__open_syscall_event,
30 .desc = "detect open syscall event on all cpus",
31 .func = test__open_syscall_event_on_all_cpus,
34 .desc = "read samples using the mmap interface",
35 .func = test__basic_mmap,
38 .desc = "parse events tests",
39 .func = test__parse_events,
41 #if defined(__x86_64__) || defined(__i386__)
43 .desc = "x86 rdpmc test",
48 .desc = "Validate PERF_RECORD_* events & perf_sample fields",
49 .func = test__PERF_RECORD,
52 .desc = "Test perf pmu format parsing",
56 .desc = "Test dso data read",
57 .func = test__dso_data,
60 .desc = "Test dso data cache",
61 .func = test__dso_data_cache,
64 .desc = "Test dso data reopen",
65 .func = test__dso_data_reopen,
68 .desc = "roundtrip evsel->name check",
69 .func = test__perf_evsel__roundtrip_name_test,
72 .desc = "Check parsing of sched tracepoints fields",
73 .func = test__perf_evsel__tp_sched_test,
76 .desc = "Generate and check syscalls:sys_enter_open event fields",
77 .func = test__syscall_open_tp_fields,
80 .desc = "struct perf_event_attr setup",
84 .desc = "Test matching and linking multiple hists",
85 .func = test__hists_link,
88 .desc = "Try 'import perf' in python, checking link problems",
89 .func = test__python_use,
92 .desc = "Test breakpoint overflow signal handler",
93 .func = test__bp_signal,
96 .desc = "Test breakpoint overflow sampling",
97 .func = test__bp_signal_overflow,
100 .desc = "Test number of exit event of a simple workload",
101 .func = test__task_exit,
104 .desc = "Test software clock events have valid period values",
105 .func = test__sw_clock_freq,
107 #if defined(__x86_64__) || defined(__i386__)
109 .desc = "Test converting perf time to TSC",
110 .func = test__perf_time_to_tsc,
114 .desc = "Test object code reading",
115 .func = test__code_reading,
118 .desc = "Test sample parsing",
119 .func = test__sample_parsing,
122 .desc = "Test using a dummy software event to keep tracking",
123 .func = test__keep_tracking,
126 .desc = "Test parsing with no sample_id_all bit set",
127 .func = test__parse_no_sample_id_all,
129 #if defined(__x86_64__) || defined(__i386__) || defined(__arm__)
130 #ifdef HAVE_DWARF_UNWIND_SUPPORT
132 .desc = "Test dwarf unwind",
133 .func = test__dwarf_unwind,
138 .desc = "Test filtering hist entries",
139 .func = test__hists_filter,
142 .desc = "Test mmap thread lookup",
143 .func = test__mmap_thread_lookup,
146 .desc = "Test thread mg sharing",
147 .func = test__thread_mg_share,
150 .desc = "Test output sorting of hist entries",
151 .func = test__hists_output,
154 .desc = "Test cumulation of child hist entries",
155 .func = test__hists_cumulate,
158 .desc = "Test tracking with sched_switch",
159 .func = test__switch_tracking,
162 .desc = "Filter fds with revents mask in a fdarray",
163 .func = test__fdarray__filter,
166 .desc = "Add fd to a fdarray, making it autogrow",
167 .func = test__fdarray__add,
174 static bool perf_test__matches(int curr, int argc, const char *argv[])
181 for (i = 0; i < argc; ++i) {
183 long nr = strtoul(argv[i], &end, 10);
191 if (strstr(tests[curr].desc, argv[i]))
198 static int run_test(struct test *test)
200 int status, err = -1, child = fork();
201 char sbuf[STRERR_BUFSIZE];
204 pr_err("failed to fork test: %s\n",
205 strerror_r(errno, sbuf, sizeof(sbuf)));
210 pr_debug("test child forked, pid %d\n", getpid());
217 if (WIFEXITED(status)) {
218 err = WEXITSTATUS(status);
219 pr_debug("test child finished with %d\n", err);
220 } else if (WIFSIGNALED(status)) {
222 pr_debug("test child interrupted\n");
228 static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
233 while (tests[i].func) {
234 int len = strlen(tests[i].desc);
242 while (tests[i].func) {
245 if (!perf_test__matches(curr, argc, argv))
248 pr_info("%2d: %-*s:", i, width, tests[curr].desc);
250 if (intlist__find(skiplist, i)) {
251 color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
255 pr_debug("\n--- start ---\n");
256 err = run_test(&tests[curr]);
257 pr_debug("---- end ----\n%s:", tests[curr].desc);
264 color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip\n");
268 color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
276 static int perf_test__list(int argc, const char **argv)
280 while (tests[i].func) {
283 if (argc > 1 && !strstr(tests[curr].desc, argv[1]))
286 pr_info("%2d: %s\n", i, tests[curr].desc);
292 int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
294 const char * const test_usage[] = {
295 "perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
298 const char *skip = NULL;
299 const struct option test_options[] = {
300 OPT_STRING('s', "skip", &skip, "tests", "tests to skip"),
301 OPT_INCR('v', "verbose", &verbose,
302 "be more verbose (show symbol address, etc)"),
305 struct intlist *skiplist = NULL;
306 int ret = hists__init();
311 argc = parse_options(argc, argv, test_options, test_usage, 0);
312 if (argc >= 1 && !strcmp(argv[0], "list"))
313 return perf_test__list(argc, argv);
315 symbol_conf.priv_size = sizeof(int);
316 symbol_conf.sort_by_name = true;
317 symbol_conf.try_vmlinux_path = true;
319 if (symbol__init(NULL) < 0)
323 skiplist = intlist__new(skip);
325 return __cmd_test(argc, argv, skiplist);