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Message-Id: <20240520203643.182920-1-irogers@google.com>
Date: Mon, 20 May 2024 13:36:43 -0700
From: Ian Rogers <irogers@...gle.com>
To: Weilin Wang <weilin.wang@...el.com>, Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...hat.com>, Arnaldo Carvalho de Melo <acme@...nel.org>, Namhyung Kim <namhyung@...nel.org>,
Mark Rutland <mark.rutland@....com>,
Alexander Shishkin <alexander.shishkin@...ux.intel.com>, Jiri Olsa <jolsa@...nel.org>,
Adrian Hunter <adrian.hunter@...el.com>, Kan Liang <kan.liang@...ux.intel.com>,
Jing Zhang <renyu.zj@...ux.alibaba.com>, John Garry <john.g.garry@...cle.com>,
Sandipan Das <sandipan.das@....com>, linux-perf-users@...r.kernel.org,
linux-kernel@...r.kernel.org
Cc: Ian Rogers <irogers@...gle.com>
Subject: [PATCH v1] perf jevents: Autogenerate empty-pmu-events.c
empty-pmu-events.c exists so that builds may occur without python
being installed on a system. Manually updating empty-pmu-events.c to
be in sync with jevents.py is a pain, let's use jevents.py to generate
empty-pmu-events.c.
1) change jevents.py so that an arch and model of none cause
generation of a pmu-events.c without any json. Add a SPDX and
autogenerated warning to the start of the file.
2) change Build so that if a generated pmu-events.c for arch none and
model none doesn't match empty-pmu-events.c the build fails with a
cat of the differences. Update Makefile.perf to clean up the files
used for this.
3) update empty-pmu-events.c to match the output of jevents.py with
arch and mode of none.
Signed-off-by: Ian Rogers <irogers@...gle.com>
---
tools/perf/Makefile.perf | 2 +
tools/perf/pmu-events/Build | 12 +-
tools/perf/pmu-events/empty-pmu-events.c | 892 ++++++++++++++---------
tools/perf/pmu-events/jevents.py | 6 +-
4 files changed, 561 insertions(+), 351 deletions(-)
diff --git a/tools/perf/Makefile.perf b/tools/perf/Makefile.perf
index 5c35c0d89306..4369c57a1d12 100644
--- a/tools/perf/Makefile.perf
+++ b/tools/perf/Makefile.perf
@@ -1210,6 +1210,8 @@ clean:: $(LIBAPI)-clean $(LIBBPF)-clean $(LIBSUBCMD)-clean $(LIBSYMBOL)-clean $(
$(OUTPUT)util/intel-pt-decoder/inat-tables.c \
$(OUTPUT)tests/llvm-src-{base,kbuild,prologue,relocation}.c \
$(OUTPUT)pmu-events/pmu-events.c \
+ $(OUTPUT)pmu-events/test-empty-pmu-events.c \
+ $(OUTPUT)pmu-events/empty-pmu-events.log \
$(OUTPUT)pmu-events/metric_test.log \
$(OUTPUT)$(fadvise_advice_array) \
$(OUTPUT)$(fsconfig_arrays) \
diff --git a/tools/perf/pmu-events/Build b/tools/perf/pmu-events/Build
index 1d18bb89402e..c3fa43c49706 100644
--- a/tools/perf/pmu-events/Build
+++ b/tools/perf/pmu-events/Build
@@ -11,6 +11,8 @@ METRIC_TEST_PY = pmu-events/metric_test.py
EMPTY_PMU_EVENTS_C = pmu-events/empty-pmu-events.c
PMU_EVENTS_C = $(OUTPUT)pmu-events/pmu-events.c
METRIC_TEST_LOG = $(OUTPUT)pmu-events/metric_test.log
+TEST_EMPTY_PMU_EVENTS_C = $(OUTPUT)pmu-events/test-empty-pmu-events.c
+EMPTY_PMU_EVENTS_TEST_LOG = $(OUTPUT)pmu-events/empty-pmu-events.log
ifeq ($(JEVENTS_ARCH),)
JEVENTS_ARCH=$(SRCARCH)
@@ -31,7 +33,15 @@ $(METRIC_TEST_LOG): $(METRIC_TEST_PY) $(METRIC_PY)
$(call rule_mkdir)
$(Q)$(call echo-cmd,test)$(PYTHON) $< 2> $@ || (cat $@ && false)
-$(PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_TEST_LOG)
+$(TEST_EMPTY_PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_TEST_LOG)
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) none none pmu-events/arch $@
+
+$(EMPTY_PMU_EVENTS_TEST_LOG): $(EMPTY_PMU_EVENTS_C) $(TEST_EMPTY_PMU_EVENTS_C)
+ $(call rule_mkdir)
+ $(Q)$(call echo-cmd,test)diff -u $? 2> $@ || (cat $@ && false)
+
+$(PMU_EVENTS_C): $(JSON) $(JSON_TEST) $(JEVENTS_PY) $(METRIC_PY) $(METRIC_TEST_LOG) $(EMPTY_PMU_EVENTS_TEST_LOG)
$(call rule_mkdir)
$(Q)$(call echo-cmd,gen)$(PYTHON) $(JEVENTS_PY) $(JEVENTS_ARCH) $(JEVENTS_MODEL) pmu-events/arch $@
endif
diff --git a/tools/perf/pmu-events/empty-pmu-events.c b/tools/perf/pmu-events/empty-pmu-events.c
index 13727421d424..8d554d149139 100644
--- a/tools/perf/pmu-events/empty-pmu-events.c
+++ b/tools/perf/pmu-events/empty-pmu-events.c
@@ -1,196 +1,193 @@
-// SPDX-License-Identifier: GPL-2.0
-/*
- * An empty pmu-events.c file used when there is no architecture json files in
- * arch or when the jevents.py script cannot be run.
- *
- * The test cpu/soc is provided for testing.
- */
-#include "pmu-events/pmu-events.h"
+
+/* SPDX-License-Identifier: GPL-2.0 */
+/* THIS FILE WAS AUTOGENERATED BY jevents.py arch=none model=none ! */
+
+#include <pmu-events/pmu-events.h>
#include "util/header.h"
#include "util/pmu.h"
#include <string.h>
#include <stddef.h>
-static const struct pmu_event pmu_events__test_soc_cpu[] = {
- {
- .name = "l3_cache_rd",
- .event = "event=0x40",
- .desc = "L3 cache access, read",
- .topic = "cache",
- .long_desc = "Attributable Level 3 cache access, read",
- },
- {
- .name = "segment_reg_loads.any",
- .event = "event=0x6,period=200000,umask=0x80",
- .desc = "Number of segment register loads",
- .topic = "other",
- },
- {
- .name = "dispatch_blocked.any",
- .event = "event=0x9,period=200000,umask=0x20",
- .desc = "Memory cluster signals to block micro-op dispatch for any reason",
- .topic = "other",
- },
- {
- .name = "eist_trans",
- .event = "event=0x3a,period=200000,umask=0x0",
- .desc = "Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions",
- .topic = "other",
- },
- {
- .name = "uncore_hisi_ddrc.flux_wcmd",
- .event = "event=0x2",
- .desc = "DDRC write commands. Unit: hisi_sccl,ddrc ",
- .topic = "uncore",
- .long_desc = "DDRC write commands",
- .pmu = "hisi_sccl,ddrc",
- },
- {
- .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 ",
- .topic = "uncore",
- .long_desc = "A cross-core snoop resulted from L3 Eviction which misses in some processor core",
- .pmu = "uncore_cbox",
- },
- {
- .name = "event-hyphen",
- .event = "event=0xe0,umask=0x00",
- .desc = "UNC_CBO_HYPHEN. Unit: uncore_cbox ",
- .topic = "uncore",
- .long_desc = "UNC_CBO_HYPHEN",
- .pmu = "uncore_cbox",
- },
- {
- .name = "event-two-hyph",
- .event = "event=0xc0,umask=0x00",
- .desc = "UNC_CBO_TWO_HYPH. Unit: uncore_cbox ",
- .topic = "uncore",
- .long_desc = "UNC_CBO_TWO_HYPH",
- .pmu = "uncore_cbox",
- },
- {
- .name = "uncore_hisi_l3c.rd_hit_cpipe",
- .event = "event=0x7",
- .desc = "Total read hits. Unit: hisi_sccl,l3c ",
- .topic = "uncore",
- .long_desc = "Total read hits",
- .pmu = "hisi_sccl,l3c",
- },
- {
- .name = "uncore_imc_free_running.cache_miss",
- .event = "event=0x12",
- .desc = "Total cache misses. Unit: uncore_imc_free_running ",
- .topic = "uncore",
- .long_desc = "Total cache misses",
- .pmu = "uncore_imc_free_running",
- },
- {
- .name = "uncore_imc.cache_hits",
- .event = "event=0x34",
- .desc = "Total cache hits. Unit: uncore_imc ",
- .topic = "uncore",
- .long_desc = "Total cache hits",
- .pmu = "uncore_imc",
- },
- {
- .name = "bp_l1_btb_correct",
- .event = "event=0x8a",
- .desc = "L1 BTB Correction",
- .topic = "branch",
- },
- {
- .name = "bp_l2_btb_correct",
- .event = "event=0x8b",
- .desc = "L2 BTB Correction",
- .topic = "branch",
- },
- {
- .name = 0,
- .event = 0,
- .desc = 0,
- },
+struct compact_pmu_event {
+ int offset;
};
-static const struct pmu_metric pmu_metrics__test_soc_cpu[] = {
- {
- .metric_expr = "1 / IPC",
- .metric_name = "CPI",
- },
- {
- .metric_expr = "inst_retired.any / cpu_clk_unhalted.thread",
- .metric_name = "IPC",
- .metric_group = "group1",
- },
- {
- .metric_expr = "idq_uops_not_delivered.core / (4 * (( ( cpu_clk_unhalted.thread / 2 ) * "
- "( 1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk ) )))",
- .metric_name = "Frontend_Bound_SMT",
- },
- {
- .metric_expr = "l1d\\-loads\\-misses / inst_retired.any",
- .metric_name = "dcache_miss_cpi",
- },
- {
- .metric_expr = "l1i\\-loads\\-misses / inst_retired.any",
- .metric_name = "icache_miss_cycles",
- },
- {
- .metric_expr = "(dcache_miss_cpi + icache_miss_cycles)",
- .metric_name = "cache_miss_cycles",
- .metric_group = "group1",
- },
- {
- .metric_expr = "l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit",
- .metric_name = "DCache_L2_All_Hits",
- },
- {
- .metric_expr = "max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + "
- "l2_rqsts.pf_miss + l2_rqsts.rfo_miss",
- .metric_name = "DCache_L2_All_Miss",
- },
- {
- .metric_expr = "DCache_L2_All_Hits + DCache_L2_All_Miss",
- .metric_name = "DCache_L2_All",
- },
- {
- .metric_expr = "d_ratio(DCache_L2_All_Hits, DCache_L2_All)",
- .metric_name = "DCache_L2_Hits",
- },
- {
- .metric_expr = "d_ratio(DCache_L2_All_Miss, DCache_L2_All)",
- .metric_name = "DCache_L2_Misses",
- },
- {
- .metric_expr = "ipc + M2",
- .metric_name = "M1",
- },
- {
- .metric_expr = "ipc + M1",
- .metric_name = "M2",
- },
- {
- .metric_expr = "1/M3",
- .metric_name = "M3",
- },
- {
- .metric_expr = "64 * l1d.replacement / 1000000000 / duration_time",
- .metric_name = "L1D_Cache_Fill_BW",
- },
- {
- .metric_expr = 0,
- .metric_name = 0,
- },
+struct pmu_table_entry {
+ const struct compact_pmu_event *entries;
+ uint32_t num_entries;
+ struct compact_pmu_event pmu_name;
+};
+
+static const char *const big_c_string =
+/* offset=0 */ "default_core\000"
+/* offset=13 */ "bp_l1_btb_correct\000branch\000L1 BTB Correction\000event=0x8a\000\00000\000\000"
+/* offset=72 */ "bp_l2_btb_correct\000branch\000L2 BTB Correction\000event=0x8b\000\00000\000\000"
+/* offset=131 */ "l3_cache_rd\000cache\000L3 cache access, read\000event=0x40\000\00000\000Attributable Level 3 cache access, read\000"
+/* offset=226 */ "segment_reg_loads.any\000other\000Number of segment register loads\000event=6,period=200000,umask=0x80\000\00000\000\000"
+/* offset=325 */ "dispatch_blocked.any\000other\000Memory cluster signals to block micro-op dispatch for any reason\000event=9,period=200000,umask=0x20\000\00000\000\000"
+/* offset=455 */ "eist_trans\000other\000Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions\000event=0x3a,period=200000\000\00000\000\000"
+/* offset=570 */ "hisi_sccl,ddrc\000"
+/* offset=585 */ "uncore_hisi_ddrc.flux_wcmd\000uncore\000DDRC write commands\000event=2\000\00000\000DDRC write commands\000"
+/* offset=671 */ "uncore_cbox\000"
+/* offset=683 */ "unc_cbo_xsnp_response.miss_eviction\000uncore\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000event=0x22,umask=0x81\000\00000\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000"
+/* offset=914 */ "event-hyphen\000uncore\000UNC_CBO_HYPHEN\000event=0xe0\000\00000\000UNC_CBO_HYPHEN\000"
+/* offset=979 */ "event-two-hyph\000uncore\000UNC_CBO_TWO_HYPH\000event=0xc0\000\00000\000UNC_CBO_TWO_HYPH\000"
+/* offset=1050 */ "hisi_sccl,l3c\000"
+/* offset=1064 */ "uncore_hisi_l3c.rd_hit_cpipe\000uncore\000Total read hits\000event=7\000\00000\000Total read hits\000"
+/* offset=1144 */ "uncore_imc_free_running\000"
+/* offset=1168 */ "uncore_imc_free_running.cache_miss\000uncore\000Total cache misses\000event=0x12\000\00000\000Total cache misses\000"
+/* offset=1263 */ "uncore_imc\000"
+/* offset=1274 */ "uncore_imc.cache_hits\000uncore\000Total cache hits\000event=0x34\000\00000\000Total cache hits\000"
+/* offset=1352 */ "uncore_sys_ddr_pmu\000"
+/* offset=1371 */ "sys_ddr_pmu.write_cycles\000uncore\000ddr write-cycles event\000event=0x2b\000v8\00000\000\000"
+/* offset=1444 */ "uncore_sys_ccn_pmu\000"
+/* offset=1463 */ "sys_ccn_pmu.read_cycles\000uncore\000ccn read-cycles event\000config=0x2c\0000x01\00000\000\000"
+/* offset=1537 */ "uncore_sys_cmn_pmu\000"
+/* offset=1556 */ "sys_cmn_pmu.hnf_cache_miss\000uncore\000Counts total cache misses in first lookup result (high priority)\000eventid=1,type=5\000(434|436|43c|43a).*\00000\000\000"
+/* offset=1696 */ "CPI\000\0001 / IPC\000\000\000\000\000\000\000\00000"
+/* offset=1718 */ "IPC\000group1\000inst_retired.any / cpu_clk_unhalted.thread\000\000\000\000\000\000\000\00000"
+/* offset=1781 */ "Frontend_Bound_SMT\000\000idq_uops_not_delivered.core / (4 * (cpu_clk_unhalted.thread / 2 * (1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk)))\000\000\000\000\000\000\000\00000"
+/* offset=1947 */ "dcache_miss_cpi\000\000l1d\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000"
+/* offset=2011 */ "icache_miss_cycles\000\000l1i\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000"
+/* offset=2078 */ "cache_miss_cycles\000group1\000dcache_miss_cpi + icache_miss_cycles\000\000\000\000\000\000\000\00000"
+/* offset=2149 */ "DCache_L2_All_Hits\000\000l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit\000\000\000\000\000\000\000\00000"
+/* offset=2243 */ "DCache_L2_All_Miss\000\000max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + l2_rqsts.pf_miss + l2_rqsts.rfo_miss\000\000\000\000\000\000\000\00000"
+/* offset=2377 */ "DCache_L2_All\000\000DCache_L2_All_Hits + DCache_L2_All_Miss\000\000\000\000\000\000\000\00000"
+/* offset=2441 */ "DCache_L2_Hits\000\000d_ratio(DCache_L2_All_Hits, DCache_L2_All)\000\000\000\000\000\000\000\00000"
+/* offset=2509 */ "DCache_L2_Misses\000\000d_ratio(DCache_L2_All_Miss, DCache_L2_All)\000\000\000\000\000\000\000\00000"
+/* offset=2579 */ "M1\000\000ipc + M2\000\000\000\000\000\000\000\00000"
+/* offset=2601 */ "M2\000\000ipc + M1\000\000\000\000\000\000\000\00000"
+/* offset=2623 */ "M3\000\0001 / M3\000\000\000\000\000\000\000\00000"
+/* offset=2643 */ "L1D_Cache_Fill_BW\000\00064 * l1d.replacement / 1e9 / duration_time\000\000\000\000\000\000\000\00000"
+;
+
+static const struct compact_pmu_event pmu_events__test_soc_cpu_default_core[] = {
+{ 13 }, /* bp_l1_btb_correct\000branch\000L1 BTB Correction\000event=0x8a\000\00000\000\000 */
+{ 72 }, /* bp_l2_btb_correct\000branch\000L2 BTB Correction\000event=0x8b\000\00000\000\000 */
+{ 325 }, /* dispatch_blocked.any\000other\000Memory cluster signals to block micro-op dispatch for any reason\000event=9,period=200000,umask=0x20\000\00000\000\000 */
+{ 455 }, /* eist_trans\000other\000Number of Enhanced Intel SpeedStep(R) Technology (EIST) transitions\000event=0x3a,period=200000\000\00000\000\000 */
+{ 131 }, /* l3_cache_rd\000cache\000L3 cache access, read\000event=0x40\000\00000\000Attributable Level 3 cache access, read\000 */
+{ 226 }, /* segment_reg_loads.any\000other\000Number of segment register loads\000event=6,period=200000,umask=0x80\000\00000\000\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_cpu_hisi_sccl_ddrc[] = {
+{ 585 }, /* uncore_hisi_ddrc.flux_wcmd\000uncore\000DDRC write commands\000event=2\000\00000\000DDRC write commands\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_cpu_hisi_sccl_l3c[] = {
+{ 1064 }, /* uncore_hisi_l3c.rd_hit_cpipe\000uncore\000Total read hits\000event=7\000\00000\000Total read hits\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_cbox[] = {
+{ 914 }, /* event-hyphen\000uncore\000UNC_CBO_HYPHEN\000event=0xe0\000\00000\000UNC_CBO_HYPHEN\000 */
+{ 979 }, /* event-two-hyph\000uncore\000UNC_CBO_TWO_HYPH\000event=0xc0\000\00000\000UNC_CBO_TWO_HYPH\000 */
+{ 683 }, /* unc_cbo_xsnp_response.miss_eviction\000uncore\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000event=0x22,umask=0x81\000\00000\000A cross-core snoop resulted from L3 Eviction which misses in some processor core\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_imc[] = {
+{ 1274 }, /* uncore_imc.cache_hits\000uncore\000Total cache hits\000event=0x34\000\00000\000Total cache hits\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_cpu_uncore_imc_free_running[] = {
+{ 1168 }, /* uncore_imc_free_running.cache_miss\000uncore\000Total cache misses\000event=0x12\000\00000\000Total cache misses\000 */
+
+};
+
+const struct pmu_table_entry pmu_events__test_soc_cpu[] = {
+{
+ .entries = pmu_events__test_soc_cpu_default_core,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_default_core),
+ .pmu_name = { 0 /* default_core\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_cpu_hisi_sccl_ddrc,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_hisi_sccl_ddrc),
+ .pmu_name = { 570 /* hisi_sccl,ddrc\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_cpu_hisi_sccl_l3c,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_hisi_sccl_l3c),
+ .pmu_name = { 1050 /* hisi_sccl,l3c\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_cpu_uncore_cbox,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_cbox),
+ .pmu_name = { 671 /* uncore_cbox\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_cpu_uncore_imc,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_imc),
+ .pmu_name = { 1263 /* uncore_imc\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_cpu_uncore_imc_free_running,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_cpu_uncore_imc_free_running),
+ .pmu_name = { 1144 /* uncore_imc_free_running\000 */ },
+},
};
+static const struct compact_pmu_event pmu_metrics__test_soc_cpu_default_core[] = {
+{ 1696 }, /* CPI\000\0001 / IPC\000\000\000\000\000\000\000\00000 */
+{ 2377 }, /* DCache_L2_All\000\000DCache_L2_All_Hits + DCache_L2_All_Miss\000\000\000\000\000\000\000\00000 */
+{ 2149 }, /* DCache_L2_All_Hits\000\000l2_rqsts.demand_data_rd_hit + l2_rqsts.pf_hit + l2_rqsts.rfo_hit\000\000\000\000\000\000\000\00000 */
+{ 2243 }, /* DCache_L2_All_Miss\000\000max(l2_rqsts.all_demand_data_rd - l2_rqsts.demand_data_rd_hit, 0) + l2_rqsts.pf_miss + l2_rqsts.rfo_miss\000\000\000\000\000\000\000\00000 */
+{ 2441 }, /* DCache_L2_Hits\000\000d_ratio(DCache_L2_All_Hits, DCache_L2_All)\000\000\000\000\000\000\000\00000 */
+{ 2509 }, /* DCache_L2_Misses\000\000d_ratio(DCache_L2_All_Miss, DCache_L2_All)\000\000\000\000\000\000\000\00000 */
+{ 1781 }, /* Frontend_Bound_SMT\000\000idq_uops_not_delivered.core / (4 * (cpu_clk_unhalted.thread / 2 * (1 + cpu_clk_unhalted.one_thread_active / cpu_clk_unhalted.ref_xclk)))\000\000\000\000\000\000\000\00000 */
+{ 1718 }, /* IPC\000group1\000inst_retired.any / cpu_clk_unhalted.thread\000\000\000\000\000\000\000\00000 */
+{ 2643 }, /* L1D_Cache_Fill_BW\000\00064 * l1d.replacement / 1e9 / duration_time\000\000\000\000\000\000\000\00000 */
+{ 2579 }, /* M1\000\000ipc + M2\000\000\000\000\000\000\000\00000 */
+{ 2601 }, /* M2\000\000ipc + M1\000\000\000\000\000\000\000\00000 */
+{ 2623 }, /* M3\000\0001 / M3\000\000\000\000\000\000\000\00000 */
+{ 2078 }, /* cache_miss_cycles\000group1\000dcache_miss_cpi + icache_miss_cycles\000\000\000\000\000\000\000\00000 */
+{ 1947 }, /* dcache_miss_cpi\000\000l1d\\-loads\\-misses / inst_retired.any\000\000\000\000\000\000\000\00000 */
+{ 2011 }, /* icache_miss_cycles\000\000l1i\\-loads\\-misses / inst_retiredany\000\000\000\000\000\000\000\00000 */
+
+};
+
+const struct pmu_table_entry pmu_metrics__test_soc_cpu[] = {
+{
+ .entries = pmu_metrics__test_soc_cpu_default_core,
+ .num_entries = ARRAY_SIZE(pmu_metrics__test_soc_cpu_default_core),
+ .pmu_name = { 0 /* default_core\000 */ },
+},
+};
+
+static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_ccn_pmu[] = {
+{ 1463 }, /* sys_ccn_pmu.read_cycles\000uncore\000ccn read-cycles event\000config=0x2c\0000x01\00000\000\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_cmn_pmu[] = {
+{ 1556 }, /* sys_cmn_pmu.hnf_cache_miss\000uncore\000Counts total cache misses in first lookup result (high priority)\000eventid=1,type=5\000(434|436|43c|43a).*\00000\000\000 */
+};
+static const struct compact_pmu_event pmu_events__test_soc_sys_uncore_sys_ddr_pmu[] = {
+{ 1371 }, /* sys_ddr_pmu.write_cycles\000uncore\000ddr write-cycles event\000event=0x2b\000v8\00000\000\000 */
+
+};
+
+const struct pmu_table_entry pmu_events__test_soc_sys[] = {
+{
+ .entries = pmu_events__test_soc_sys_uncore_sys_ccn_pmu,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_ccn_pmu),
+ .pmu_name = { 1444 /* uncore_sys_ccn_pmu\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_sys_uncore_sys_cmn_pmu,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_cmn_pmu),
+ .pmu_name = { 1537 /* uncore_sys_cmn_pmu\000 */ },
+},
+{
+ .entries = pmu_events__test_soc_sys_uncore_sys_ddr_pmu,
+ .num_entries = ARRAY_SIZE(pmu_events__test_soc_sys_uncore_sys_ddr_pmu),
+ .pmu_name = { 1352 /* uncore_sys_ddr_pmu\000 */ },
+},
+};
+
+
/* Struct used to make the PMU event table implementation opaque to callers. */
struct pmu_events_table {
- const struct pmu_event *entries;
+ const struct pmu_table_entry *pmus;
+ uint32_t num_pmus;
};
/* Struct used to make the PMU metric table implementation opaque to callers. */
struct pmu_metrics_table {
- const struct pmu_metric *entries;
+ const struct pmu_table_entry *pmus;
+ uint32_t num_pmus;
};
/*
@@ -202,92 +199,191 @@ struct pmu_metrics_table {
* The cpuid can contain any character other than the comma.
*/
struct pmu_events_map {
- const char *arch;
- const char *cpuid;
- const struct pmu_events_table event_table;
- const struct pmu_metrics_table metric_table;
+ const char *arch;
+ const char *cpuid;
+ struct pmu_events_table event_table;
+ struct pmu_metrics_table metric_table;
};
/*
* Global table mapping each known CPU for the architecture to its
* table of PMU events.
*/
-static const struct pmu_events_map pmu_events_map[] = {
- {
- .arch = "testarch",
- .cpuid = "testcpu",
- .event_table = { pmu_events__test_soc_cpu },
- .metric_table = { pmu_metrics__test_soc_cpu },
- },
- {
- .arch = 0,
- .cpuid = 0,
- .event_table = { 0 },
- .metric_table = { 0 },
- },
-};
-
-static const struct pmu_event pmu_events__test_soc_sys[] = {
- {
- .name = "sys_ddr_pmu.write_cycles",
- .event = "event=0x2b",
- .desc = "ddr write-cycles event. Unit: uncore_sys_ddr_pmu ",
- .compat = "v8",
- .topic = "uncore",
- .pmu = "uncore_sys_ddr_pmu",
- },
- {
- .name = "sys_ccn_pmu.read_cycles",
- .event = "config=0x2c",
- .desc = "ccn read-cycles event. Unit: uncore_sys_ccn_pmu ",
- .compat = "0x01",
- .topic = "uncore",
- .pmu = "uncore_sys_ccn_pmu",
- },
- {
- .name = "sys_cmn_pmu.hnf_cache_miss",
- .event = "eventid=0x1,type=0x5",
- .desc = "Counts total cache misses in first lookup result (high priority). Unit: uncore_sys_cmn_pmu ",
- .compat = "(434|436|43c|43a).*",
- .topic = "uncore",
- .pmu = "uncore_sys_cmn_pmu",
- },
- {
- .name = 0,
- .event = 0,
- .desc = 0,
- },
+const struct pmu_events_map pmu_events_map[] = {
+{
+ .arch = "testarch",
+ .cpuid = "testcpu",
+ .event_table = {
+ .pmus = pmu_events__test_soc_cpu,
+ .num_pmus = ARRAY_SIZE(pmu_events__test_soc_cpu),
+ },
+ .metric_table = {
+ .pmus = pmu_metrics__test_soc_cpu,
+ .num_pmus = ARRAY_SIZE(pmu_metrics__test_soc_cpu),
+ }
+},
+{
+ .arch = 0,
+ .cpuid = 0,
+ .event_table = { 0, 0 },
+ .metric_table = { 0, 0 },
+}
};
struct pmu_sys_events {
const char *name;
- const struct pmu_events_table table;
+ struct pmu_events_table event_table;
+ struct pmu_metrics_table metric_table;
};
static const struct pmu_sys_events pmu_sys_event_tables[] = {
{
- .table = { pmu_events__test_soc_sys },
+ .event_table = {
+ .pmus = pmu_events__test_soc_sys,
+ .num_pmus = ARRAY_SIZE(pmu_events__test_soc_sys)
+ },
.name = "pmu_events__test_soc_sys",
},
{
- .table = { 0 }
+ .event_table = { 0, 0 },
+ .metric_table = { 0, 0 },
},
};
-int pmu_events_table__for_each_event(const struct pmu_events_table *table, struct perf_pmu *pmu,
- pmu_event_iter_fn fn, void *data)
+static void decompress_event(int offset, struct pmu_event *pe)
+{
+ const char *p = &big_c_string[offset];
+
+ pe->name = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pe->topic = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pe->desc = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pe->event = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pe->compat = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pe->deprecated = *p - '0';
+ p++;
+ pe->perpkg = *p - '0';
+ p++;
+ pe->unit = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pe->long_desc = (*p == '\0' ? NULL : p);
+}
+
+static void decompress_metric(int offset, struct pmu_metric *pm)
{
- for (const struct pmu_event *pe = &table->entries[0]; pe->name; pe++) {
- int ret;
+ const char *p = &big_c_string[offset];
+
+ pm->metric_name = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->metric_group = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->metric_expr = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->metric_threshold = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->desc = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->long_desc = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->unit = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->compat = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->metricgroup_no_group = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->default_metricgroup_name = (*p == '\0' ? NULL : p);
+ while (*p++);
+ pm->aggr_mode = *p - '0';
+ p++;
+ pm->event_grouping = *p - '0';
+}
- if (pmu && !pmu__name_match(pmu, pe->pmu))
+static int pmu_events_table__for_each_event_pmu(const struct pmu_events_table *table,
+ const struct pmu_table_entry *pmu,
+ pmu_event_iter_fn fn,
+ void *data)
+{
+ int ret;
+ struct pmu_event pe = {
+ .pmu = &big_c_string[pmu->pmu_name.offset],
+ };
+
+ for (uint32_t i = 0; i < pmu->num_entries; i++) {
+ decompress_event(pmu->entries[i].offset, &pe);
+ if (!pe.name)
continue;
+ ret = fn(&pe, table, data);
+ if (ret)
+ return ret;
+ }
+ return 0;
+ }
+
+static int pmu_events_table__find_event_pmu(const struct pmu_events_table *table,
+ const struct pmu_table_entry *pmu,
+ const char *name,
+ pmu_event_iter_fn fn,
+ void *data)
+{
+ struct pmu_event pe = {
+ .pmu = &big_c_string[pmu->pmu_name.offset],
+ };
+ int low = 0, high = pmu->num_entries - 1;
- ret = fn(pe, table, data);
- if (ret)
- return ret;
- }
- return 0;
+ while (low <= high) {
+ int cmp, mid = (low + high) / 2;
+
+ decompress_event(pmu->entries[mid].offset, &pe);
+
+ if (!pe.name && !name)
+ goto do_call;
+
+ if (!pe.name && name) {
+ low = mid + 1;
+ continue;
+ }
+ if (pe.name && !name) {
+ high = mid - 1;
+ continue;
+ }
+
+ cmp = strcasecmp(pe.name, name);
+ if (cmp < 0) {
+ low = mid + 1;
+ continue;
+ }
+ if (cmp > 0) {
+ high = mid - 1;
+ continue;
+ }
+ do_call:
+ return fn ? fn(&pe, table, data) : 0;
+ }
+ return -1000;
+}
+
+int pmu_events_table__for_each_event(const struct pmu_events_table *table,
+ struct perf_pmu *pmu,
+ pmu_event_iter_fn fn,
+ void *data)
+{
+ for (size_t i = 0; i < table->num_pmus; i++) {
+ const struct pmu_table_entry *table_pmu = &table->pmus[i];
+ const char *pmu_name = &big_c_string[table_pmu->pmu_nameoffset];
+ int ret;
+
+ if (pmu && !pmu__name_match(pmu, pmu_name))
+ continue;
+
+ ret = pmu_events_table__for_each_event_pmu(table, table_pmu, fn, data);
+ if (pmu || ret)
+ return ret;
+ }
+ return 0;
}
int pmu_events_table__find_event(const struct pmu_events_table *table,
@@ -296,13 +392,18 @@ int pmu_events_table__find_event(const struct pmu_events_table *table,
pmu_event_iter_fn fn,
void *data)
{
- for (const struct pmu_event *pe = &table->entries[0]; pe->name; pe++) {
- if (pmu && !pmu__name_match(pmu, pe->pmu))
+ for (size_t i = 0; i < table->num_pmus; i++) {
+ const struct pmu_table_entry *table_pmu = &table->pmus[i];
+ const char *pmu_name = &big_c_string[table_pmu->pmu_nameoffset];
+ int ret;
+
+ if (!pmu__name_match(pmu, pmu_name))
continue;
- if (!strcasecmp(pe->name, name))
- return fn(pe, table, data);
- }
+ ret = pmu_events_table__find_event_pmu(table, table_pmu, name, fn, data);
+ if (ret != -1000)
+ return ret;
+ }
return -1000;
}
@@ -311,160 +412,253 @@ size_t pmu_events_table__num_events(const struct pmu_events_table *table,
{
size_t count = 0;
- for (const struct pmu_event *pe = &table->entries[0]; pe->name; pe++) {
- if (pmu && !pmu__name_match(pmu, pe->pmu))
- continue;
+ for (size_t i = 0; i < table->num_pmus; i++) {
+ const struct pmu_table_entry *table_pmu = &table->pmus[i];
+ const char *pmu_name = &big_c_string[table_pmu->pmu_nameoffset];
- count++;
- }
+ if (pmu__name_match(pmu, pmu_name))
+ count += table_pmu->num_entries;
+ }
return count;
}
-int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table, pmu_metric_iter_fn fn,
- void *data)
+static int pmu_metrics_table__for_each_metric_pmu(const struct pmu_metrics_table *table,
+ const struct pmu_table_entry *pmu,
+ pmu_metric_iter_fn fn,
+ void *data)
+{
+ int ret;
+ struct pmu_metric pm = {
+ .pmu = &big_c_string[pmu->pmu_name.offset],
+ };
+
+ for (uint32_t i = 0; i < pmu->num_entries; i++) {
+ decompress_metric(pmu->entries[i].offset, &pm);
+ if (!pm.metric_expr)
+ continue;
+ ret = fn(&pm, table, data);
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
+
+int pmu_metrics_table__for_each_metric(const struct pmu_metrics_table *table,
+ pmu_metric_iter_fn fn,
+ void *data)
{
- for (const struct pmu_metric *pm = &table->entries[0]; pm->metric_expr; pm++) {
- int ret = fn(pm, table, data);
+ for (size_t i = 0; i < table->num_pmus; i++) {
+ int ret = pmu_metrics_table__for_each_metric_pmu(table, &table->pmus[i],
+ fn, data);
+
+ if (ret)
+ return ret;
+ }
+ return 0;
+}
- if (ret)
- return ret;
- }
- return 0;
+static const struct pmu_events_map *map_for_pmu(struct perf_pmu *pmu)
+{
+ static struct {
+ const struct pmu_events_map *map;
+ struct perf_pmu *pmu;
+ } last_result;
+ static struct {
+ const struct pmu_events_map *map;
+ char *cpuid;
+ } last_map_search;
+ static bool has_last_result, has_last_map_search;
+ const struct pmu_events_map *map = NULL;
+ char *cpuid = NULL;
+ size_t i;
+
+ if (has_last_result && last_result.pmu == pmu)
+ return last_result.map;
+
+ cpuid = perf_pmu__getcpuid(pmu);
+
+ /*
+ * On some platforms which uses cpus map, cpuid can be NULL for
+ * PMUs other than CORE PMUs.
+ */
+ if (!cpuid)
+ goto out_update_last_result;
+
+ if (has_last_map_search && !strcmp(last_map_search.cpuid, cpuid)) {
+ map = last_map_search.map;
+ free(cpuid);
+ } else {
+ i = 0;
+ for (;;) {
+ map = &pmu_events_map[i++];
+
+ if (!map->arch) {
+ map = NULL;
+ break;
+ }
+
+ if (!strcmp_cpuid_str(map->cpuid, cpuid))
+ break;
+ }
+ free(last_map_search.cpuid);
+ last_map_search.cpuid = cpuid;
+ last_map_search.map = map;
+ has_last_map_search = true;
+ }
+out_update_last_result:
+ last_result.pmu = pmu;
+ last_result.map = map;
+ has_last_result = true;
+ return map;
}
const struct pmu_events_table *perf_pmu__find_events_table(struct perf_pmu *pmu)
{
- const struct pmu_events_table *table = NULL;
- char *cpuid = perf_pmu__getcpuid(pmu);
- int i;
+ const struct pmu_events_map *map = map_for_pmu(pmu);
- /* on some platforms which uses cpus map, cpuid can be NULL for
- * PMUs other than CORE PMUs.
- */
- if (!cpuid)
- return NULL;
+ if (!map)
+ return NULL;
- i = 0;
- for (;;) {
- const struct pmu_events_map *map = &pmu_events_map[i++];
+ if (!pmu)
+ return &map->event_table;
- if (!map->cpuid)
- break;
+ for (size_t i = 0; i < map->event_table.num_pmus; i++) {
+ const struct pmu_table_entry *table_pmu = &map->event_table.pmus[i];
+ const char *pmu_name = &big_c_string[table_pmu->pmu_nameoffset];
- if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
- table = &map->event_table;
- break;
- }
- }
- free(cpuid);
- return table;
+ if (pmu__name_match(pmu, pmu_name))
+ return &map->event_table;
+ }
+ return NULL;
}
const struct pmu_metrics_table *perf_pmu__find_metrics_table(struct perf_pmu *pmu)
{
- const struct pmu_metrics_table *table = NULL;
- char *cpuid = perf_pmu__getcpuid(pmu);
- int i;
+ const struct pmu_events_map *map = map_for_pmu(pmu);
- /* on some platforms which uses cpus map, cpuid can be NULL for
- * PMUs other than CORE PMUs.
- */
- if (!cpuid)
- return NULL;
+ if (!map)
+ return NULL;
- i = 0;
- for (;;) {
- const struct pmu_events_map *map = &pmu_events_map[i++];
+ if (!pmu)
+ return &map->metric_table;
- if (!map->cpuid)
- break;
+ for (size_t i = 0; i < map->metric_table.num_pmus; i++) {
+ const struct pmu_table_entry *table_pmu = &map->metric_table.pmus[i];
+ const char *pmu_name = &big_c_string[table_pmu->pmu_nameoffset];
- if (!strcmp_cpuid_str(map->cpuid, cpuid)) {
- table = &map->metric_table;
- break;
- }
- }
- free(cpuid);
- return table;
+ if (pmu__name_match(pmu, pmu_name))
+ return &map->metric_table;
+ }
+ return NULL;
}
const struct pmu_events_table *find_core_events_table(const char *arch, const char *cpuid)
{
- for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->arch;
- tables++) {
- if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
- return &tables->event_table;
- }
- return NULL;
+ for (const struct pmu_events_map *tables = &pmu_events_map[0];
+ tables->arch;
+ tables++) {
+ if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
+ return &tables->event_table;
+ }
+ return NULL;
}
const struct pmu_metrics_table *find_core_metrics_table(const char *arch, const char *cpuid)
{
- for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->arch;
- tables++) {
- if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
- return &tables->metric_table;
- }
- return NULL;
+ for (const struct pmu_events_map *tables = &pmu_events_map[0];
+ tables->arch;
+ tables++) {
+ if (!strcmp(tables->arch, arch) && !strcmp_cpuid_str(tables->cpuid, cpuid))
+ return &tables->metric_table;
+ }
+ return NULL;
}
int pmu_for_each_core_event(pmu_event_iter_fn fn, void *data)
{
- for (const struct pmu_events_map *tables = &pmu_events_map[0]; tables->arch; tables++) {
- int ret = pmu_events_table__for_each_event(&tables->event_table,
- /*pmu=*/ NULL, fn, data);
-
- if (ret)
- return ret;
- }
- return 0;
+ for (const struct pmu_events_map *tables = &pmu_events_map[0];
+ tables->arch;
+ tables++) {
+ int ret = pmu_events_table__for_each_event(&tables->event_table,
+ /*pmu=*/ NULL, fn, data);
+
+ if (ret)
+ return ret;
+ }
+ return 0;
}
int pmu_for_each_core_metric(pmu_metric_iter_fn fn, void *data)
{
- for (const struct pmu_events_map *tables = &pmu_events_map[0];
- tables->arch;
- tables++) {
- int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
-
- if (ret)
- return ret;
- }
- return 0;
+ for (const struct pmu_events_map *tables = &pmu_events_map[0];
+ tables->arch;
+ tables++) {
+ int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
+
+ if (ret)
+ return ret;
+ }
+ return 0;
}
const struct pmu_events_table *find_sys_events_table(const char *name)
{
- for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
- tables->name;
- tables++) {
- if (!strcmp(tables->name, name))
- return &tables->table;
- }
- return NULL;
+ for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
+ tables->name;
+ tables++) {
+ if (!strcmp(tables->name, name))
+ return &tables->event_table;
+ }
+ return NULL;
}
int pmu_for_each_sys_event(pmu_event_iter_fn fn, void *data)
{
- for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
- tables->name;
- tables++) {
- int ret = pmu_events_table__for_each_event(&tables->table, /*pmu=*/ NULL, fn, data);
-
- if (ret)
- return ret;
- }
- return 0;
+ for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
+ tables->name;
+ tables++) {
+ int ret = pmu_events_table__for_each_event(&tables->event_table,
+ /*pmu=*/ NULL, fn, data);
+
+ if (ret)
+ return ret;
+ }
+ return 0;
}
-int pmu_for_each_sys_metric(pmu_metric_iter_fn fn __maybe_unused, void *data __maybe_unused)
+int pmu_for_each_sys_metric(pmu_metric_iter_fn fn, void *data)
{
- return 0;
+ for (const struct pmu_sys_events *tables = &pmu_sys_event_tables[0];
+ tables->name;
+ tables++) {
+ int ret = pmu_metrics_table__for_each_metric(&tables->metric_table, fn, data);
+
+ if (ret)
+ return ret;
+ }
+ return 0;
}
-const char *describe_metricgroup(const char *group __maybe_unused)
+static const int metricgroups[][2] = {
+
+};
+
+const char *describe_metricgroup(const char *group)
{
- return NULL;
+ int low = 0, high = (int)ARRAY_SIZE(metricgroups) - 1;
+
+ while (low <= high) {
+ int mid = (low + high) / 2;
+ const char *mgroup = &big_c_string[metricgroups[mid][0]];
+ int cmp = strcmp(mgroup, group);
+
+ if (cmp == 0) {
+ return &big_c_string[metricgroups[mid][1]];
+ } else if (cmp < 0) {
+ low = mid + 1;
+ } else {
+ high = mid - 1;
+ }
+ }
+ return NULL;
}
diff --git a/tools/perf/pmu-events/jevents.py b/tools/perf/pmu-events/jevents.py
index e42efc16723e..8f733b061d5d 100755
--- a/tools/perf/pmu-events/jevents.py
+++ b/tools/perf/pmu-events/jevents.py
@@ -1255,6 +1255,10 @@ such as "arm/cortex-a34".''',
'output_file', type=argparse.FileType('w', encoding='utf-8'), nargs='?', default=sys.stdout)
_args = ap.parse_args()
+ _args.output_file.write(f"""
+/* SPDX-License-Identifier: GPL-2.0 */
+/* THIS FILE WAS AUTOGENERATED BY jevents.py arch={_args.arch} model={_args.model} ! */
+""")
_args.output_file.write("""
#include <pmu-events/pmu-events.h>
#include "util/header.h"
@@ -1280,7 +1284,7 @@ struct pmu_table_entry {
if item.name == _args.arch or _args.arch == 'all' or item.name == 'test':
archs.append(item.name)
- if len(archs) < 2:
+ if len(archs) < 2 and _args.arch != 'none':
raise IOError(f'Missing architecture directory \'{_args.arch}\'')
archs.sort()
--
2.45.0.rc1.225.g2a3ae87e7f-goog
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