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/*
* builtin-test.c
*
* Builtin regression testing command: ever growing number of sanity tests
*/
#include "builtin.h"
#include "intlist.h"
#include "tests.h"
#include "debug.h"
#include "color.h"
#include "parse-options.h"
#include "symbol.h"
static struct test {
const char *desc;
int (*func)(void);
} tests[] = {
{
.desc = "vmlinux symtab matches kallsyms",
.func = test__vmlinux_matches_kallsyms,
},
{
.desc = "detect open syscall event",
.func = test__open_syscall_event,
},
{
.desc = "detect open syscall event on all cpus",
.func = test__open_syscall_event_on_all_cpus,
},
{
.desc = "read samples using the mmap interface",
.func = test__basic_mmap,
},
{
.desc = "parse events tests",
.func = test__parse_events,
},
#if defined(__x86_64__) || defined(__i386__)
{
.desc = "x86 rdpmc test",
.func = test__rdpmc,
},
#endif
{
.desc = "Validate PERF_RECORD_* events & perf_sample fields",
.func = test__PERF_RECORD,
},
{
.desc = "Test perf pmu format parsing",
.func = test__pmu,
},
{
.desc = "Test dso data interface",
.func = test__dso_data,
},
{
.desc = "roundtrip evsel->name check",
.func = test__perf_evsel__roundtrip_name_test,
},
{
.desc = "Check parsing of sched tracepoints fields",
.func = test__perf_evsel__tp_sched_test,
},
{
.desc = "Generate and check syscalls:sys_enter_open event fields",
.func = test__syscall_open_tp_fields,
},
{
.desc = "struct perf_event_attr setup",
.func = test__attr,
},
{
.desc = "Test matching and linking multiple hists",
.func = test__hists_link,
},
{
.desc = "Try 'use perf' in python, checking link problems",
.func = test__python_use,
},
{
.desc = "Test breakpoint overflow signal handler",
.func = test__bp_signal,
},
{
.desc = "Test breakpoint overflow sampling",
.func = test__bp_signal_overflow,
},
{
.desc = "Test number of exit event of a simple workload",
.func = test__task_exit,
},
{
.desc = "Test software clock events have valid period values",
.func = test__sw_clock_freq,
},
#if defined(__x86_64__) || defined(__i386__)
{
.desc = "Test converting perf time to TSC",
.func = test__perf_time_to_tsc,
},
#endif
{
.desc = "Test object code reading",
.func = test__code_reading,
},
{
.desc = "Test sample parsing",
.func = test__sample_parsing,
},
{
.desc = "Test using a dummy software event to keep tracking",
.func = test__keep_tracking,
},
{
.desc = "Test parsing with no sample_id_all bit set",
.func = test__parse_no_sample_id_all,
},
#if defined(__x86_64__) || defined(__i386__)
#ifdef HAVE_LIBUNWIND_SUPPORT
{
.desc = "Test dwarf unwind",
.func = test__dwarf_unwind,
},
#endif
#endif
{
.func = NULL,
},
};
static bool perf_test__matches(int curr, int argc, const char *argv[])
{
int i;
if (argc == 0)
return true;
for (i = 0; i < argc; ++i) {
char *end;
long nr = strtoul(argv[i], &end, 10);
if (*end == '\0') {
if (nr == curr + 1)
return true;
continue;
}
if (strstr(tests[curr].desc, argv[i]))
return true;
}
return false;
}
static int __cmd_test(int argc, const char *argv[], struct intlist *skiplist)
{
int i = 0;
int width = 0;
while (tests[i].func) {
int len = strlen(tests[i].desc);
if (width < len)
width = len;
++i;
}
i = 0;
while (tests[i].func) {
int curr = i++, err;
if (!perf_test__matches(curr, argc, argv))
continue;
pr_info("%2d: %-*s:", i, width, tests[curr].desc);
if (intlist__find(skiplist, i)) {
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip (user override)\n");
continue;
}
pr_debug("\n--- start ---\n");
err = tests[curr].func();
pr_debug("---- end ----\n%s:", tests[curr].desc);
switch (err) {
case TEST_OK:
pr_info(" Ok\n");
break;
case TEST_SKIP:
color_fprintf(stderr, PERF_COLOR_YELLOW, " Skip\n");
break;
case TEST_FAIL:
default:
color_fprintf(stderr, PERF_COLOR_RED, " FAILED!\n");
break;
}
}
return 0;
}
static int perf_test__list(int argc, const char **argv)
{
int i = 0;
while (tests[i].func) {
int curr = i++;
if (argc > 1 && !strstr(tests[curr].desc, argv[1]))
continue;
pr_info("%2d: %s\n", i, tests[curr].desc);
}
return 0;
}
int cmd_test(int argc, const char **argv, const char *prefix __maybe_unused)
{
const char * const test_usage[] = {
"perf test [<options>] [{list <test-name-fragment>|[<test-name-fragments>|<test-numbers>]}]",
NULL,
};
const char *skip = NULL;
const struct option test_options[] = {
OPT_STRING('s', "skip", &skip, "tests", "tests to skip"),
OPT_INCR('v', "verbose", &verbose,
"be more verbose (show symbol address, etc)"),
OPT_END()
};
struct intlist *skiplist = NULL;
argc = parse_options(argc, argv, test_options, test_usage, 0);
if (argc >= 1 && !strcmp(argv[0], "list"))
return perf_test__list(argc, argv);
symbol_conf.priv_size = sizeof(int);
symbol_conf.sort_by_name = true;
symbol_conf.try_vmlinux_path = true;
if (symbol__init() < 0)
return -1;
if (skip != NULL)
skiplist = intlist__new(skip);
return __cmd_test(argc, argv, skiplist);
}
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