diff options
Diffstat (limited to 'tools/perf/util/s390-sample-raw.c')
-rw-r--r-- | tools/perf/util/s390-sample-raw.c | 114 |
1 files changed, 104 insertions, 10 deletions
diff --git a/tools/perf/util/s390-sample-raw.c b/tools/perf/util/s390-sample-raw.c index 115b16edb451..53383e97ec9d 100644 --- a/tools/perf/util/s390-sample-raw.c +++ b/tools/perf/util/s390-sample-raw.c @@ -51,8 +51,6 @@ static bool s390_cpumcfdg_testctr(struct perf_sample *sample) struct cf_trailer_entry *te; struct cf_ctrset_entry *cep, ce; - if (!len) - return false; while (offset < len) { cep = (struct cf_ctrset_entry *)(buf + offset); ce.def = be16_to_cpu(cep->def); @@ -125,6 +123,9 @@ static int get_counterset_start(int setnr) return 128; case CPUMF_CTR_SET_MT_DIAG: /* Diagnostic counter set */ return 448; + case PERF_EVENT_PAI_NNPA_ALL: /* PAI NNPA counter set */ + case PERF_EVENT_PAI_CRYPTO_ALL: /* PAI CRYPTO counter set */ + return setnr; default: return -1; } @@ -212,27 +213,120 @@ static void s390_cpumcfdg_dump(struct perf_pmu *pmu, struct perf_sample *sample) } } +#pragma GCC diagnostic push +#pragma GCC diagnostic ignored "-Wpacked" +#pragma GCC diagnostic ignored "-Wattributes" +/* + * Check for consistency of PAI_CRYPTO/PAI_NNPA raw data. + */ +struct pai_data { /* Event number and value */ + u16 event_nr; + u64 event_val; +} __packed; + +#pragma GCC diagnostic pop + +/* + * Test for valid raw data. At least one PAI event should be in the raw + * data section. + */ +static bool s390_pai_all_test(struct perf_sample *sample) +{ + size_t len = sample->raw_size; + + if (len < 0xa) + return false; + return true; +} + +static void s390_pai_all_dump(struct evsel *evsel, struct perf_sample *sample) +{ + size_t len = sample->raw_size, offset = 0; + unsigned char *p = sample->raw_data; + const char *color = PERF_COLOR_BLUE; + struct pai_data pai_data; + char *ev_name; + + while (offset < len) { + memcpy(&pai_data.event_nr, p, sizeof(pai_data.event_nr)); + pai_data.event_nr = be16_to_cpu(pai_data.event_nr); + p += sizeof(pai_data.event_nr); + offset += sizeof(pai_data.event_nr); + + memcpy(&pai_data.event_val, p, sizeof(pai_data.event_val)); + pai_data.event_val = be64_to_cpu(pai_data.event_val); + p += sizeof(pai_data.event_val); + offset += sizeof(pai_data.event_val); + + ev_name = get_counter_name(evsel->core.attr.config, + pai_data.event_nr, evsel->pmu); + color_fprintf(stdout, color, "\tCounter:%03d %s Value:%#018lx\n", + pai_data.event_nr, ev_name ?: "<unknown>", + pai_data.event_val); + free(ev_name); + + if (offset + 0xa > len) + break; + } + color_fprintf(stdout, color, "\n"); +} + /* S390 specific trace event function. Check for PERF_RECORD_SAMPLE events - * and if the event was triggered by a counter set diagnostic event display - * its raw data. + * and if the event was triggered by a + * - counter set diagnostic event + * - processor activity assist (PAI) crypto counter event + * - processor activity assist (PAI) neural network processor assist (NNPA) + * counter event + * display its raw data. * The function is only invoked when the dump flag -D is set. + * + * Function evlist__s390_sample_raw() is defined as call back after it has + * been verified that the perf.data file was created on s390 platform. */ -void evlist__s390_sample_raw(struct evlist *evlist, union perf_event *event, struct perf_sample *sample) +void evlist__s390_sample_raw(struct evlist *evlist, union perf_event *event, + struct perf_sample *sample) { + const char *pai_name; struct evsel *evsel; if (event->header.type != PERF_RECORD_SAMPLE) return; evsel = evlist__event2evsel(evlist, event); - if (evsel == NULL || - evsel->core.attr.config != PERF_EVENT_CPUM_CF_DIAG) + if (!evsel) + return; + + /* Check for raw data in sample */ + if (!sample->raw_size || !sample->raw_data) return; /* Display raw data on screen */ - if (!s390_cpumcfdg_testctr(sample)) { - pr_err("Invalid counter set data encountered\n"); + if (evsel->core.attr.config == PERF_EVENT_CPUM_CF_DIAG) { + if (!evsel->pmu) + evsel->pmu = perf_pmus__find("cpum_cf"); + if (!s390_cpumcfdg_testctr(sample)) + pr_err("Invalid counter set data encountered\n"); + else + s390_cpumcfdg_dump(evsel->pmu, sample); + return; + } + + switch (evsel->core.attr.config) { + case PERF_EVENT_PAI_NNPA_ALL: + pai_name = "NNPA_ALL"; + break; + case PERF_EVENT_PAI_CRYPTO_ALL: + pai_name = "CRYPTO_ALL"; + break; + default: return; } - s390_cpumcfdg_dump(evsel->pmu, sample); + + if (!s390_pai_all_test(sample)) { + pr_err("Invalid %s raw data encountered\n", pai_name); + } else { + if (!evsel->pmu) + evsel->pmu = perf_pmus__find_by_type(evsel->core.attr.type); + s390_pai_all_dump(evsel, sample); + } } |