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authorIan Rogers <irogers@google.com>2023-08-24 11:32:12 -0700
committerArnaldo Carvalho de Melo <acme@redhat.com>2023-08-24 19:21:27 -0300
commiteeb6b12992c4a348af6773e50084f981dc3dda76 (patch)
tree39e92f21b8b24684f969dd00c9ca2ddee07587ac /tools/perf
parentf208b2c6f984f9c8086205e826985ab4441ce2da (diff)
perf jevents: Don't append Unit to desc
Unit with the PMU name is appended to desc in jevents.py, but on hybrid platforms it causes the desc to differ from the regular non-hybrid system with a PMU of 'cpu'. Having differing descs means the events don't deduplicate. To make the perf list output not differ, append the Unit on again in the perf list printing code. On x86 reduces the binary size by 409,600 bytes or about 4%. Update pmu-events test expectations to match the differently generated pmu-events.c code. Signed-off-by: Ian Rogers <irogers@google.com> Cc: Adrian Hunter <adrian.hunter@intel.com> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: Gaosheng Cui <cuigaosheng1@huawei.com> Cc: Ingo Molnar <mingo@redhat.com> Cc: James Clark <james.clark@arm.com> Cc: Jing Zhang <renyu.zj@linux.alibaba.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: John Garry <john.g.garry@oracle.com> Cc: Kajol Jain <kjain@linux.ibm.com> Cc: Kan Liang <kan.liang@linux.intel.com> Cc: Mark Rutland <mark.rutland@arm.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Ravi Bangoria <ravi.bangoria@amd.com> Cc: Rob Herring <robh@kernel.org> Link: https://lore.kernel.org/r/20230824183212.374787-1-irogers@google.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/perf')
-rw-r--r--tools/perf/builtin-list.c13
-rwxr-xr-xtools/perf/pmu-events/jevents.py7
-rw-r--r--tools/perf/tests/pmu-events.c22
3 files changed, 23 insertions, 19 deletions
diff --git a/tools/perf/builtin-list.c b/tools/perf/builtin-list.c
index 7fec2cca759f..d8b9f606e734 100644
--- a/tools/perf/builtin-list.c
+++ b/tools/perf/builtin-list.c
@@ -145,9 +145,20 @@ static void default_print_event(void *ps, const char *pmu_name, const char *topi
putchar('\n');
if (desc && print_state->desc) {
+ char *desc_with_unit = NULL;
+ int desc_len = -1;
+
+ if (pmu_name && strcmp(pmu_name, "cpu")) {
+ desc_len = strlen(desc);
+ desc_len = asprintf(&desc_with_unit,
+ desc[desc_len - 1] != '.'
+ ? "%s. Unit: %s" : "%s Unit: %s",
+ desc, pmu_name);
+ }
printf("%*s", 8, "[");
- wordwrap(desc, 8, pager_get_columns(), 0);
+ wordwrap(desc_len > 0 ? desc_with_unit : desc, 8, pager_get_columns(), 0);
printf("]\n");
+ free(desc_with_unit);
}
long_desc = long_desc ?: desc;
if (long_desc && print_state->long_desc) {
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index e5bce57f5688..712f80d7d071 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -357,13 +357,6 @@ class JsonEvent:
self.desc += extra_desc
if self.long_desc and extra_desc:
self.long_desc += extra_desc
- if self.pmu and self.pmu != 'cpu':
- if not self.desc:
- self.desc = 'Unit: ' + self.pmu
- else:
- if not self.desc.endswith('. '):
- self.desc += '. '
- self.desc += 'Unit: ' + self.pmu
if arch_std:
if arch_std.lower() in _arch_std_events:
event = _arch_std_events[arch_std.lower()].event
diff --git a/tools/perf/tests/pmu-events.c b/tools/perf/tests/pmu-events.c
index 3dc1ebee4d9f..28c8789c4305 100644
--- a/tools/perf/tests/pmu-events.c
+++ b/tools/perf/tests/pmu-events.c
@@ -129,7 +129,7 @@ static const struct perf_pmu_test_event uncore_hisi_ddrc_flux_wcmd = {
.event = {
.name = "uncore_hisi_ddrc.flux_wcmd",
.event = "event=0x2",
- .desc = "DDRC write commands. Unit: hisi_sccl,ddrc",
+ .desc = "DDRC write commands",
.topic = "uncore",
.long_desc = "DDRC write commands",
.pmu = "hisi_sccl,ddrc",
@@ -143,7 +143,7 @@ static const struct perf_pmu_test_event unc_cbo_xsnp_response_miss_eviction = {
.event = {
.name = "unc_cbo_xsnp_response.miss_eviction",
.event = "event=0x22,umask=0x81",
- .desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core. Unit: uncore_cbox",
+ .desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core",
.topic = "uncore",
.long_desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core",
.pmu = "uncore_cbox",
@@ -157,7 +157,7 @@ static const struct perf_pmu_test_event uncore_hyphen = {
.event = {
.name = "event-hyphen",
.event = "event=0xe0,umask=0x00",
- .desc = "UNC_CBO_HYPHEN. Unit: uncore_cbox",
+ .desc = "UNC_CBO_HYPHEN",
.topic = "uncore",
.long_desc = "UNC_CBO_HYPHEN",
.pmu = "uncore_cbox",
@@ -171,7 +171,7 @@ static const struct perf_pmu_test_event uncore_two_hyph = {
.event = {
.name = "event-two-hyph",
.event = "event=0xc0,umask=0x00",
- .desc = "UNC_CBO_TWO_HYPH. Unit: uncore_cbox",
+ .desc = "UNC_CBO_TWO_HYPH",
.topic = "uncore",
.long_desc = "UNC_CBO_TWO_HYPH",
.pmu = "uncore_cbox",
@@ -185,7 +185,7 @@ static const struct perf_pmu_test_event uncore_hisi_l3c_rd_hit_cpipe = {
.event = {
.name = "uncore_hisi_l3c.rd_hit_cpipe",
.event = "event=0x7",
- .desc = "Total read hits. Unit: hisi_sccl,l3c",
+ .desc = "Total read hits",
.topic = "uncore",
.long_desc = "Total read hits",
.pmu = "hisi_sccl,l3c",
@@ -199,7 +199,7 @@ static const struct perf_pmu_test_event uncore_imc_free_running_cache_miss = {
.event = {
.name = "uncore_imc_free_running.cache_miss",
.event = "event=0x12",
- .desc = "Total cache misses. Unit: uncore_imc_free_running",
+ .desc = "Total cache misses",
.topic = "uncore",
.long_desc = "Total cache misses",
.pmu = "uncore_imc_free_running",
@@ -213,7 +213,7 @@ static const struct perf_pmu_test_event uncore_imc_cache_hits = {
.event = {
.name = "uncore_imc.cache_hits",
.event = "event=0x34",
- .desc = "Total cache hits. Unit: uncore_imc",
+ .desc = "Total cache hits",
.topic = "uncore",
.long_desc = "Total cache hits",
.pmu = "uncore_imc",
@@ -238,13 +238,13 @@ static const struct perf_pmu_test_event sys_ddr_pmu_write_cycles = {
.event = {
.name = "sys_ddr_pmu.write_cycles",
.event = "event=0x2b",
- .desc = "ddr write-cycles event. Unit: uncore_sys_ddr_pmu",
+ .desc = "ddr write-cycles event",
.topic = "uncore",
.pmu = "uncore_sys_ddr_pmu",
.compat = "v8",
},
.alias_str = "event=0x2b",
- .alias_long_desc = "ddr write-cycles event. Unit: uncore_sys_ddr_pmu",
+ .alias_long_desc = "ddr write-cycles event",
.matching_pmu = "uncore_sys_ddr_pmu",
};
@@ -252,13 +252,13 @@ static const struct perf_pmu_test_event sys_ccn_pmu_read_cycles = {
.event = {
.name = "sys_ccn_pmu.read_cycles",
.event = "config=0x2c",
- .desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu",
+ .desc = "ccn read-cycles event",
.topic = "uncore",
.pmu = "uncore_sys_ccn_pmu",
.compat = "0x01",
},
.alias_str = "config=0x2c",
- .alias_long_desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu",
+ .alias_long_desc = "ccn read-cycles event",
.matching_pmu = "uncore_sys_ccn_pmu",
};