Skip to content

Commit

Permalink
perf tests: Move pmu tests into separate object
Browse files Browse the repository at this point in the history
Separating pmu's object tests into pmu object under tests directory.

Signed-off-by: Jiri Olsa <jolsa@redhat.com>
Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@elte.hu>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1352508412-16914-11-git-send-email-jolsa@redhat.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
  • Loading branch information
Jiri Olsa authored and acmel committed Nov 14, 2012
1 parent dc447ee commit cff7f95
Show file tree
Hide file tree
Showing 6 changed files with 191 additions and 185 deletions.
1 change: 1 addition & 0 deletions tools/perf/Makefile
Original file line number Diff line number Diff line change
Expand Up @@ -440,6 +440,7 @@ LIB_OBJS += $(OUTPUT)tests/perf-record.o
LIB_OBJS += $(OUTPUT)tests/rdpmc.o
LIB_OBJS += $(OUTPUT)tests/evsel-roundtrip-name.o
LIB_OBJS += $(OUTPUT)tests/evsel-tp-sched.o
LIB_OBJS += $(OUTPUT)tests/pmu.o
LIB_OBJS += $(OUTPUT)tests/util.o

BUILTIN_OBJS += $(OUTPUT)builtin-annotate.o
Expand Down
7 changes: 1 addition & 6 deletions tools/perf/tests/builtin-test.c
Original file line number Diff line number Diff line change
Expand Up @@ -30,11 +30,6 @@
#include <sched.h>


static int test__perf_pmu(void)
{
return perf_pmu__test();
}

static struct test {
const char *desc;
int (*func)(void);
Expand Down Expand Up @@ -71,7 +66,7 @@ static struct test {
},
{
.desc = "Test perf pmu format parsing",
.func = test__perf_pmu,
.func = test__pmu,
},
{
.desc = "Test dso data interface",
Expand Down
178 changes: 178 additions & 0 deletions tools/perf/tests/pmu.c
Original file line number Diff line number Diff line change
@@ -0,0 +1,178 @@
#include "parse-events.h"
#include "pmu.h"
#include "util.h"
#include "tests.h"

/* Simulated format definitions. */
static struct test_format {
const char *name;
const char *value;
} test_formats[] = {
{ "krava01", "config:0-1,62-63\n", },
{ "krava02", "config:10-17\n", },
{ "krava03", "config:5\n", },
{ "krava11", "config1:0,2,4,6,8,20-28\n", },
{ "krava12", "config1:63\n", },
{ "krava13", "config1:45-47\n", },
{ "krava21", "config2:0-3,10-13,20-23,30-33,40-43,50-53,60-63\n", },
{ "krava22", "config2:8,18,48,58\n", },
{ "krava23", "config2:28-29,38\n", },
};

#define TEST_FORMATS_CNT (sizeof(test_formats) / sizeof(struct test_format))

/* Simulated users input. */
static struct parse_events__term test_terms[] = {
{
.config = (char *) "krava01",
.val.num = 15,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava02",
.val.num = 170,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava03",
.val.num = 1,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava11",
.val.num = 27,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava12",
.val.num = 1,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava13",
.val.num = 2,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava21",
.val.num = 119,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava22",
.val.num = 11,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
{
.config = (char *) "krava23",
.val.num = 2,
.type_val = PARSE_EVENTS__TERM_TYPE_NUM,
.type_term = PARSE_EVENTS__TERM_TYPE_USER,
},
};
#define TERMS_CNT (sizeof(test_terms) / sizeof(struct parse_events__term))

/*
* Prepare format directory data, exported by kernel
* at /sys/bus/event_source/devices/<dev>/format.
*/
static char *test_format_dir_get(void)
{
static char dir[PATH_MAX];
unsigned int i;

snprintf(dir, PATH_MAX, "/tmp/perf-pmu-test-format-XXXXXX");
if (!mkdtemp(dir))
return NULL;

for (i = 0; i < TEST_FORMATS_CNT; i++) {
static char name[PATH_MAX];
struct test_format *format = &test_formats[i];
FILE *file;

snprintf(name, PATH_MAX, "%s/%s", dir, format->name);

file = fopen(name, "w");
if (!file)
return NULL;

if (1 != fwrite(format->value, strlen(format->value), 1, file))
break;

fclose(file);
}

return dir;
}

/* Cleanup format directory. */
static int test_format_dir_put(char *dir)
{
char buf[PATH_MAX];
snprintf(buf, PATH_MAX, "rm -f %s/*\n", dir);
if (system(buf))
return -1;

snprintf(buf, PATH_MAX, "rmdir %s\n", dir);
return system(buf);
}

static struct list_head *test_terms_list(void)
{
static LIST_HEAD(terms);
unsigned int i;

for (i = 0; i < TERMS_CNT; i++)
list_add_tail(&test_terms[i].list, &terms);

return &terms;
}

#undef TERMS_CNT

int test__pmu(void)
{
char *format = test_format_dir_get();
LIST_HEAD(formats);
struct list_head *terms = test_terms_list();
int ret;

if (!format)
return -EINVAL;

do {
struct perf_event_attr attr;

memset(&attr, 0, sizeof(attr));

ret = perf_pmu__format_parse(format, &formats);
if (ret)
break;

ret = perf_pmu__config_terms(&formats, &attr, terms);
if (ret)
break;

ret = -EINVAL;

if (attr.config != 0xc00000000002a823)
break;
if (attr.config1 != 0x8000400000000145)
break;
if (attr.config2 != 0x0400000020041d07)
break;

ret = 0;
} while (0);

test_format_dir_put(format);
return ret;
}
1 change: 1 addition & 0 deletions tools/perf/tests/tests.h
Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@ int test__rdpmc(void);
int test__perf_evsel__roundtrip_name_test(void);
int test__perf_evsel__tp_sched_test(void);
int test__syscall_open_tp_fields(void);
int test__pmu(void);

/* Util */
int trace_event__id(const char *evname);
Expand Down
Loading

0 comments on commit cff7f95

Please sign in to comment.