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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-05-18 18:50:03 +0000
commit01a69402cf9d38ff180345d55c2ee51c7e89fbc7 (patch)
treeb406c5242a088c4f59c6e4b719b783f43aca6ae9 /tools/perf/util/s390-sample-raw.c
parentAdding upstream version 6.7.12. (diff)
downloadlinux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.tar.xz
linux-01a69402cf9d38ff180345d55c2ee51c7e89fbc7.zip
Adding upstream version 6.8.9.upstream/6.8.9
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/s390-sample-raw.c')
-rw-r--r--tools/perf/util/s390-sample-raw.c114
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 115b16edb4..53383e97ec 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);
+ }
}