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Diffstat (limited to 'tools/perf/arch/arm/util/cs-etm.c')
-rw-r--r--tools/perf/arch/arm/util/cs-etm.c97
1 files changed, 68 insertions, 29 deletions
diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index 85168d87b2d7..515aae470e23 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -47,15 +47,17 @@ static const char *metadata_etmv3_ro[CS_ETM_PRIV_MAX] = {
[CS_ETM_ETMIDR] = "mgmt/etmidr",
};
-static const char *metadata_etmv4_ro[CS_ETMV4_PRIV_MAX] = {
+static const char * const metadata_etmv4_ro[] = {
[CS_ETMV4_TRCIDR0] = "trcidr/trcidr0",
[CS_ETMV4_TRCIDR1] = "trcidr/trcidr1",
[CS_ETMV4_TRCIDR2] = "trcidr/trcidr2",
[CS_ETMV4_TRCIDR8] = "trcidr/trcidr8",
[CS_ETMV4_TRCAUTHSTATUS] = "mgmt/trcauthstatus",
+ [CS_ETE_TRCDEVARCH] = "mgmt/trcdevarch"
};
static bool cs_etm_is_etmv4(struct auxtrace_record *itr, int cpu);
+static bool cs_etm_is_ete(struct auxtrace_record *itr, int cpu);
static int cs_etm_set_context_id(struct auxtrace_record *itr,
struct evsel *evsel, int cpu)
@@ -73,7 +75,7 @@ static int cs_etm_set_context_id(struct auxtrace_record *itr,
if (!cs_etm_is_etmv4(itr, cpu))
goto out;
- /* Get a handle on TRCIRD2 */
+ /* Get a handle on TRCIDR2 */
snprintf(path, PATH_MAX, "cpu%d/%s",
cpu, metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
err = perf_pmu__scan_file(cs_etm_pmu, path, "%x", &val);
@@ -533,7 +535,7 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
struct evlist *evlist __maybe_unused)
{
int i;
- int etmv3 = 0, etmv4 = 0;
+ int etmv3 = 0, etmv4 = 0, ete = 0;
struct perf_cpu_map *event_cpus = evlist->core.cpus;
struct perf_cpu_map *online_cpus = perf_cpu_map__new(NULL);
@@ -544,7 +546,9 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
!cpu_map__has(online_cpus, i))
continue;
- if (cs_etm_is_etmv4(itr, i))
+ if (cs_etm_is_ete(itr, i))
+ ete++;
+ else if (cs_etm_is_etmv4(itr, i))
etmv4++;
else
etmv3++;
@@ -555,7 +559,9 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
if (!cpu_map__has(online_cpus, i))
continue;
- if (cs_etm_is_etmv4(itr, i))
+ if (cs_etm_is_ete(itr, i))
+ ete++;
+ else if (cs_etm_is_etmv4(itr, i))
etmv4++;
else
etmv3++;
@@ -565,6 +571,7 @@ cs_etm_info_priv_size(struct auxtrace_record *itr __maybe_unused,
perf_cpu_map__put(online_cpus);
return (CS_ETM_HEADER_SIZE +
+ (ete * CS_ETE_PRIV_SIZE) +
(etmv4 * CS_ETMV4_PRIV_SIZE) +
(etmv3 * CS_ETMV3_PRIV_SIZE));
}
@@ -607,6 +614,49 @@ static int cs_etm_get_ro(struct perf_pmu *pmu, int cpu, const char *path)
return val;
}
+#define TRCDEVARCH_ARCHPART_SHIFT 0
+#define TRCDEVARCH_ARCHPART_MASK GENMASK(11, 0)
+#define TRCDEVARCH_ARCHPART(x) (((x) & TRCDEVARCH_ARCHPART_MASK) >> TRCDEVARCH_ARCHPART_SHIFT)
+
+#define TRCDEVARCH_ARCHVER_SHIFT 12
+#define TRCDEVARCH_ARCHVER_MASK GENMASK(15, 12)
+#define TRCDEVARCH_ARCHVER(x) (((x) & TRCDEVARCH_ARCHVER_MASK) >> TRCDEVARCH_ARCHVER_SHIFT)
+
+static bool cs_etm_is_ete(struct auxtrace_record *itr, int cpu)
+{
+ struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr);
+ struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+ int trcdevarch = cs_etm_get_ro(cs_etm_pmu, cpu, metadata_etmv4_ro[CS_ETE_TRCDEVARCH]);
+
+ /*
+ * ETE if ARCHVER is 5 (ARCHVER is 4 for ETM) and ARCHPART is 0xA13.
+ * See ETM_DEVARCH_ETE_ARCH in coresight-etm4x.h
+ */
+ return TRCDEVARCH_ARCHVER(trcdevarch) == 5 && TRCDEVARCH_ARCHPART(trcdevarch) == 0xA13;
+}
+
+static void cs_etm_save_etmv4_header(__u64 data[], struct auxtrace_record *itr, int cpu)
+{
+ struct cs_etm_recording *ptr = container_of(itr, struct cs_etm_recording, itr);
+ struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
+
+ /* Get trace configuration register */
+ data[CS_ETMV4_TRCCONFIGR] = cs_etmv4_get_config(itr);
+ /* Get traceID from the framework */
+ data[CS_ETMV4_TRCTRACEIDR] = coresight_get_trace_id(cpu);
+ /* Get read-only information from sysFS */
+ data[CS_ETMV4_TRCIDR0] = cs_etm_get_ro(cs_etm_pmu, cpu,
+ metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
+ data[CS_ETMV4_TRCIDR1] = cs_etm_get_ro(cs_etm_pmu, cpu,
+ metadata_etmv4_ro[CS_ETMV4_TRCIDR1]);
+ data[CS_ETMV4_TRCIDR2] = cs_etm_get_ro(cs_etm_pmu, cpu,
+ metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
+ data[CS_ETMV4_TRCIDR8] = cs_etm_get_ro(cs_etm_pmu, cpu,
+ metadata_etmv4_ro[CS_ETMV4_TRCIDR8]);
+ data[CS_ETMV4_TRCAUTHSTATUS] = cs_etm_get_ro(cs_etm_pmu, cpu,
+ metadata_etmv4_ro[CS_ETMV4_TRCAUTHSTATUS]);
+}
+
static void cs_etm_get_metadata(int cpu, u32 *offset,
struct auxtrace_record *itr,
struct perf_record_auxtrace_info *info)
@@ -618,31 +668,20 @@ static void cs_etm_get_metadata(int cpu, u32 *offset,
struct perf_pmu *cs_etm_pmu = ptr->cs_etm_pmu;
/* first see what kind of tracer this cpu is affined to */
- if (cs_etm_is_etmv4(itr, cpu)) {
- magic = __perf_cs_etmv4_magic;
- /* Get trace configuration register */
- info->priv[*offset + CS_ETMV4_TRCCONFIGR] =
- cs_etmv4_get_config(itr);
- /* Get traceID from the framework */
- info->priv[*offset + CS_ETMV4_TRCTRACEIDR] =
- coresight_get_trace_id(cpu);
- /* Get read-only information from sysFS */
- info->priv[*offset + CS_ETMV4_TRCIDR0] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR0]);
- info->priv[*offset + CS_ETMV4_TRCIDR1] =
+ if (cs_etm_is_ete(itr, cpu)) {
+ magic = __perf_cs_ete_magic;
+ /* ETE uses the same registers as ETMv4 plus TRCDEVARCH */
+ cs_etm_save_etmv4_header(&info->priv[*offset], itr, cpu);
+ info->priv[*offset + CS_ETE_TRCDEVARCH] =
cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR1]);
- info->priv[*offset + CS_ETMV4_TRCIDR2] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR2]);
- info->priv[*offset + CS_ETMV4_TRCIDR8] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro[CS_ETMV4_TRCIDR8]);
- info->priv[*offset + CS_ETMV4_TRCAUTHSTATUS] =
- cs_etm_get_ro(cs_etm_pmu, cpu,
- metadata_etmv4_ro
- [CS_ETMV4_TRCAUTHSTATUS]);
+ metadata_etmv4_ro[CS_ETE_TRCDEVARCH]);
+
+ /* How much space was used */
+ increment = CS_ETE_PRIV_MAX;
+ nr_trc_params = CS_ETE_PRIV_MAX - CS_ETM_COMMON_BLK_MAX_V1;
+ } else if (cs_etm_is_etmv4(itr, cpu)) {
+ magic = __perf_cs_etmv4_magic;
+ cs_etm_save_etmv4_header(&info->priv[*offset], itr, cpu);
/* How much space was used */
increment = CS_ETMV4_PRIV_MAX;
generated by cgit v1.2.3 (git 2.39.1) at 2024-05-20 10:38:34 +0000