diff options
Diffstat (limited to 'tools/perf/tests/pmu.c')
| -rw-r--r-- | tools/perf/tests/pmu.c | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/tools/perf/tests/pmu.c b/tools/perf/tests/pmu.c index 424ebdb0f09d..071cfc51b52c 100644 --- a/tools/perf/tests/pmu.c +++ b/tools/perf/tests/pmu.c @@ -1,4 +1,6 @@ // SPDX-License-Identifier: GPL-2.0 +#include "evlist.h" +#include "evsel.h" #include "parse-events.h" #include "pmu.h" #include "tests.h" @@ -54,6 +56,9 @@ static struct perf_pmu *test_pmu_get(char *dir, size_t sz) { "krava22", "config2:8,18,48,58\n", }, { "krava23", "config2:28-29,38\n", }, }; + const char *test_event = "krava01=15,krava02=170,krava03=1,krava11=27,krava12=1," + "krava13=2,krava21=119,krava22=11,krava23=2\n"; + char name[PATH_MAX]; int dirfd, file; struct perf_pmu *pmu = NULL; @@ -116,6 +121,24 @@ static struct perf_pmu *test_pmu_get(char *dir, size_t sz) close(file); } + /* Create test event. */ + if (mkdirat(dirfd, "perf-pmu-test/events", 0755) < 0) { + pr_err("Failed to mkdir PMU events directory\n"); + goto err_out; + } + file = openat(dirfd, "perf-pmu-test/events/test-event", O_WRONLY | O_CREAT, 0600); + if (!file) { + pr_err("Failed to open for writing file \"type\"\n"); + goto err_out; + } + len = strlen(test_event); + if (write(file, test_event, len) < len) { + close(file); + pr_err("Failed to write to 'test-event' file\n"); + goto err_out; + } + close(file); + /* Make the PMU reading the files created above. */ pmu = perf_pmus__add_test_pmu(dirfd, "perf-pmu-test"); if (!pmu) @@ -176,8 +199,61 @@ err_out: return ret; } +static int test__pmu_events(struct test_suite *test __maybe_unused, int subtest __maybe_unused) +{ + char dir[PATH_MAX]; + struct parse_events_error err; + struct evlist *evlist; + struct evsel *evsel; + struct perf_event_attr *attr; + int ret = TEST_FAIL; + struct perf_pmu *pmu = test_pmu_get(dir, sizeof(dir)); + const char *event = "perf-pmu-test/test-event/"; + + + if (!pmu) + return TEST_FAIL; + + evlist = evlist__new(); + if (evlist == NULL) { + pr_err("Failed allocation"); + goto err_out; + } + parse_events_error__init(&err); + ret = parse_events(evlist, event, &err); + if (ret) { + pr_debug("failed to parse event '%s', err %d\n", event, ret); + parse_events_error__print(&err, event); + if (parse_events_error__contains(&err, "can't access trace events")) + ret = TEST_SKIP; + goto err_out; + } + evsel = evlist__first(evlist); + attr = &evsel->core.attr; + if (attr->config != 0xc00000000002a823) { + pr_err("Unexpected config value %llx\n", attr->config); + goto err_out; + } + if (attr->config1 != 0x8000400000000145) { + pr_err("Unexpected config1 value %llx\n", attr->config1); + goto err_out; + } + if (attr->config2 != 0x0400000020041d07) { + pr_err("Unexpected config2 value %llx\n", attr->config2); + goto err_out; + } + + ret = TEST_OK; +err_out: + parse_events_error__exit(&err); + evlist__delete(evlist); + test_pmu_put(dir, pmu); + return ret; +} + static struct test_case tests__pmu[] = { TEST_CASE("Parsing with PMU format directory", pmu_format), + TEST_CASE("Parsing with PMU event", pmu_events), { .name = NULL, } }; |