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author | Jiri Olsa <jolsa@redhat.com> | 2012-11-10 01:46:50 +0100 |
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committer | Arnaldo Carvalho de Melo <acme@redhat.com> | 2012-11-14 16:50:19 -0300 |
commit | cff7f956ec4a1ede9b752cfae3c12f588292ad80 (patch) | |
tree | bc8462de8d2aeedefc47047c9daeba374f6cf538 /tools/perf/tests/pmu.c | |
parent | dc447eed59037c1c65feab9c72d372b6249af978 (diff) | |
download | linux-stable-cff7f956ec4a1ede9b752cfae3c12f588292ad80.tar.gz linux-stable-cff7f956ec4a1ede9b752cfae3c12f588292ad80.tar.bz2 linux-stable-cff7f956ec4a1ede9b752cfae3c12f588292ad80.zip |
perf tests: Move pmu tests into separate object
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>
Diffstat (limited to 'tools/perf/tests/pmu.c')
-rw-r--r-- | tools/perf/tests/pmu.c | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c new file mode 100644 index 000000000000..a5f379863b8f --- /dev/null +++ b/tools/perf/tests/pmu.c @@ -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; +} |