diff --git a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst index 678d3865560c32c53250ce6b442196fa40be233c..ea69035024963213651cb24ebd52635b1a90a058 100644 --- a/Documentation/admin-guide/perf/hisi-pcie-pmu.rst +++ b/Documentation/admin-guide/perf/hisi-pcie-pmu.rst @@ -28,7 +28,9 @@ The "identifier" sysfs file allows users to identify the version of the PMU hardware device. The "bus" sysfs file allows users to get the bus number of Root Ports -monitored by PMU. +monitored by PMU. Furthermore users can get the Root Ports range in +[bdf_min, bdf_max] from "bdf_min" and "bdf_max" sysfs attributes +respectively. Example usage of perf:: diff --git a/arch/arm64/include/asm/assembler.h b/arch/arm64/include/asm/assembler.h index 0fa067c2324de9149f8f3fe622e4554ad2792b93..7e3e6d7e40acbefa58338877ee25f3e0b5c7cbe8 100644 --- a/arch/arm64/include/asm/assembler.h +++ b/arch/arm64/include/asm/assembler.h @@ -503,9 +503,10 @@ alternative_endif */ .macro reset_pmuserenr_el0, tmpreg mrs \tmpreg, id_aa64dfr0_el1 - sbfx \tmpreg, \tmpreg, #ID_AA64DFR0_EL1_PMUVer_SHIFT, #4 - cmp \tmpreg, #1 // Skip if no PMU present - b.lt 9000f + ubfx \tmpreg, \tmpreg, #ID_AA64DFR0_EL1_PMUVer_SHIFT, #4 + cmp \tmpreg, #ID_AA64DFR0_EL1_PMUVer_NI + ccmp \tmpreg, #ID_AA64DFR0_EL1_PMUVer_IMP_DEF, #4, ne + b.eq 9000f // Skip if no PMU present or IMP_DEF msr pmuserenr_el0, xzr // Disable PMU access from EL0 9000: .endm diff --git a/arch/arm64/include/asm/cputype.h b/arch/arm64/include/asm/cputype.h index b943a25fddfbacdccbb64cddd7b03e17398dc15a..00b5807e09ffa6bf51fa479ecf5c29f497349026 100644 --- a/arch/arm64/include/asm/cputype.h +++ b/arch/arm64/include/asm/cputype.h @@ -145,6 +145,7 @@ #define HISI_CPU_PART_TSV110 0xD01 #define HISI_CPU_PART_HIP09 0xD02 +#define HISI_CPU_PART_HIP12 0xD06 #define APPLE_CPU_PART_M1_ICESTORM 0x022 #define APPLE_CPU_PART_M1_FIRESTORM 0x023 @@ -233,6 +234,7 @@ #define MIDR_FUJITSU_A64FX MIDR_CPU_MODEL(ARM_CPU_IMP_FUJITSU, FUJITSU_CPU_PART_A64FX) #define MIDR_HISI_TSV110 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_TSV110) #define MIDR_HISI_HIP09 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_HIP09) +#define MIDR_HISI_HIP12 MIDR_CPU_MODEL(ARM_CPU_IMP_HISI, HISI_CPU_PART_HIP12) #define MIDR_APPLE_M1_ICESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM) #define MIDR_APPLE_M1_FIRESTORM MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_FIRESTORM) #define MIDR_APPLE_M1_ICESTORM_PRO MIDR_CPU_MODEL(ARM_CPU_IMP_APPLE, APPLE_CPU_PART_M1_ICESTORM_PRO) diff --git a/arch/arm64/include/asm/el2_setup.h b/arch/arm64/include/asm/el2_setup.h index b7afaa026842b7ebce94228e6031ce99f5cbb2a8..e4546b29dd0cbfbb5b902e15caadab69458b1fac 100644 --- a/arch/arm64/include/asm/el2_setup.h +++ b/arch/arm64/include/asm/el2_setup.h @@ -59,13 +59,14 @@ .macro __init_el2_debug mrs x1, id_aa64dfr0_el1 - sbfx x0, x1, #ID_AA64DFR0_EL1_PMUVer_SHIFT, #4 - cmp x0, #1 - b.lt .Lskip_pmu_\@ // Skip if no PMU present + ubfx x0, x1, #ID_AA64DFR0_EL1_PMUVer_SHIFT, #4 + cmp x0, #ID_AA64DFR0_EL1_PMUVer_NI + ccmp x0, #ID_AA64DFR0_EL1_PMUVer_IMP_DEF, #4, ne + b.eq .Lskip_pmu_\@ // Skip if no PMU present or IMP_DEF mrs x0, pmcr_el0 // Disable debug access traps ubfx x0, x0, #11, #5 // to EL2 and allow access to .Lskip_pmu_\@: - csel x2, xzr, x0, lt // all PMU counters from EL1 + csel x2, xzr, x0, eq // all PMU counters from EL1 /* Statistical profiling */ ubfx x0, x1, #ID_AA64DFR0_EL1_PMSVer_SHIFT, #4 diff --git a/drivers/perf/hisilicon/hisi_pcie_pmu.c b/drivers/perf/hisilicon/hisi_pcie_pmu.c index 06034a8b92061e1044ad4e8a3db292b41e6b4bc2..e968a5349a59ef6faa326d14f0a11c8f5a0fff76 100644 --- a/drivers/perf/hisilicon/hisi_pcie_pmu.c +++ b/drivers/perf/hisilicon/hisi_pcie_pmu.c @@ -152,6 +152,22 @@ static ssize_t bus_show(struct device *dev, struct device_attribute *attr, char } static DEVICE_ATTR_RO(bus); +static ssize_t bdf_min_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hisi_pcie_pmu *pcie_pmu = to_pcie_pmu(dev_get_drvdata(dev)); + + return sysfs_emit(buf, "%#04x\n", pcie_pmu->bdf_min); +} +static DEVICE_ATTR_RO(bdf_min); + +static ssize_t bdf_max_show(struct device *dev, struct device_attribute *attr, char *buf) +{ + struct hisi_pcie_pmu *pcie_pmu = to_pcie_pmu(dev_get_drvdata(dev)); + + return sysfs_emit(buf, "%#04x\n", pcie_pmu->bdf_max); +} +static DEVICE_ATTR_RO(bdf_max); + static struct hisi_pcie_reg_pair hisi_pcie_parse_reg_value(struct hisi_pcie_pmu *pcie_pmu, u32 reg_off) { @@ -775,6 +791,8 @@ static const struct attribute_group hisi_pcie_pmu_format_group = { static struct attribute *hisi_pcie_pmu_bus_attrs[] = { &dev_attr_bus.attr, + &dev_attr_bdf_max.attr, + &dev_attr_bdf_min.attr, NULL }; diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c index a9623b128ece2270059002f184f2dcffadbdaa2d..c56d0aa2a76f4ab10dcc3d0f824af597e7e827d1 100644 --- a/tools/perf/arch/arm/util/pmu.c +++ b/tools/perf/arch/arm/util/pmu.c @@ -11,12 +11,15 @@ #include "arm-spe.h" #include "hisi-ptt.h" +#include "../../../util/cpumap.h" #include "../../../util/pmu.h" #include "../../../util/cs-etm.h" struct perf_event_attr -*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused) +*perf_pmu__get_default_config(struct perf_pmu *pmu) { + struct perf_cpu_map *intersect; + #ifdef HAVE_AUXTRACE_SUPPORT if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) { /* add ETM default config here */ @@ -31,5 +34,10 @@ struct perf_event_attr } #endif + /* Workaround some ARM PMU's failing to correctly set CPU maps for online processors. */ + intersect = perf_cpu_map__intersect(cpu_map__online(), pmu->cpus); + perf_cpu_map__put(pmu->cpus); + pmu->cpus = intersect; + return NULL; } diff --git a/tools/perf/arch/x86/tests/hybrid.c b/tools/perf/arch/x86/tests/hybrid.c index eb152770f148562b8032cbd7a14c1e153e273d93..05a5f81e81671782b0b70f07b354b0d9f8894fd6 100644 --- a/tools/perf/arch/x86/tests/hybrid.c +++ b/tools/perf/arch/x86/tests/hybrid.c @@ -47,7 +47,7 @@ static int test__hybrid_hw_group_event(struct evlist *evlist) evsel = evsel__next(evsel); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW)); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_INSTRUCTIONS)); TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); return TEST_OK; } @@ -102,7 +102,7 @@ static int test__hybrid_group_modifier1(struct evlist *evlist) evsel = evsel__next(evsel); TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); TEST_ASSERT_VAL("wrong hybrid type", test_hybrid_type(evsel, PERF_TYPE_RAW)); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_INSTRUCTIONS)); TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); @@ -171,27 +171,27 @@ struct evlist_test { static const struct evlist_test test__hybrid_events[] = { { - .name = "cpu_core/cpu-cycles/", + .name = "cpu_core/cycles/", .check = test__hybrid_hw_event_with_pmu, /* 0 */ }, { - .name = "{cpu_core/cpu-cycles/,cpu_core/instructions/}", + .name = "{cpu_core/cycles/,cpu_core/branches/}", .check = test__hybrid_hw_group_event, /* 1 */ }, { - .name = "{cpu-clock,cpu_core/cpu-cycles/}", + .name = "{cpu-clock,cpu_core/cycles/}", .check = test__hybrid_sw_hw_group_event, /* 2 */ }, { - .name = "{cpu_core/cpu-cycles/,cpu-clock}", + .name = "{cpu_core/cycles/,cpu-clock}", .check = test__hybrid_hw_sw_group_event, /* 3 */ }, { - .name = "{cpu_core/cpu-cycles/k,cpu_core/instructions/u}", + .name = "{cpu_core/cycles/k,cpu_core/branches/u}", .check = test__hybrid_group_modifier1, /* 4 */ }, diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c index d47f1f8711641c77fffde3523b6a19f8e7f112b5..bc7b335b05f7fa55e2aa8644dd6afa01b319ea01 100644 --- a/tools/perf/tests/parse-events.c +++ b/tools/perf/tests/parse-events.c @@ -162,6 +162,22 @@ static int test__checkevent_numeric(struct evlist *evlist) return TEST_OK; } + +static int assert_hw(struct perf_evsel *evsel, enum perf_hw_id id, const char *name) +{ + struct perf_pmu *pmu; + + if (evsel->attr.type == PERF_TYPE_HARDWARE) { + TEST_ASSERT_VAL("wrong config", test_perf_config(evsel, id)); + return 0; + } + pmu = perf_pmus__find_by_type(evsel->attr.type); + + TEST_ASSERT_VAL("unexpected PMU type", pmu); + TEST_ASSERT_VAL("PMU missing event", perf_pmu__have_event(pmu, name)); + return 0; +} + static int test__checkevent_symbolic_name(struct evlist *evlist) { struct perf_evsel *evsel; @@ -169,10 +185,12 @@ static int test__checkevent_symbolic_name(struct evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", 0 != evlist->core.nr_entries); perf_evlist__for_each_evsel(&evlist->core, evsel) { - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type); - TEST_ASSERT_VAL("wrong config", - test_perf_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + int ret = assert_hw(evsel, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + + if (ret) + return ret; } + return TEST_OK; } @@ -183,8 +201,10 @@ static int test__checkevent_symbolic_name_config(struct evlist *evlist) TEST_ASSERT_VAL("wrong number of entries", 0 != evlist->core.nr_entries); perf_evlist__for_each_evsel(&evlist->core, evsel) { - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->attr.type); - TEST_ASSERT_VAL("wrong config", test_perf_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + int ret = assert_hw(evsel, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + + if (ret) + return ret; /* * The period value gets configured within evlist__config, * while this test executes only parse events method. @@ -861,10 +881,14 @@ static int test__group1(struct evlist *evlist) evlist__nr_groups(evlist) == num_core_entries()); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* instructions:k */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -878,8 +902,10 @@ static int test__group1(struct evlist *evlist) /* cycles:upp */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -907,6 +933,8 @@ static int test__group2(struct evlist *evlist) TEST_ASSERT_VAL("wrong number of groups", 1 == evlist__nr_groups(evlist)); evlist__for_each_entry(evlist, evsel) { + int ret; + if (evsel->core.attr.type == PERF_TYPE_SOFTWARE) { /* faults + :ku modifier */ leader = evsel; @@ -939,8 +967,10 @@ static int test__group2(struct evlist *evlist) continue; } /* cycles:k */ - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -957,6 +987,7 @@ static int test__group2(struct evlist *evlist) static int test__group3(struct evlist *evlist __maybe_unused) { struct evsel *evsel, *group1_leader = NULL, *group2_leader = NULL; + int ret; TEST_ASSERT_VAL("wrong number of entries", evlist->core.nr_entries == (3 * perf_pmus__num_core_pmus() + 2)); @@ -1045,8 +1076,10 @@ static int test__group3(struct evlist *evlist __maybe_unused) continue; } /* instructions:u */ - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1070,10 +1103,14 @@ static int test__group4(struct evlist *evlist __maybe_unused) num_core_entries() == evlist__nr_groups(evlist)); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles:u + p */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1089,8 +1126,10 @@ static int test__group4(struct evlist *evlist __maybe_unused) /* instructions:kp + p */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1108,6 +1147,7 @@ static int test__group4(struct evlist *evlist __maybe_unused) static int test__group5(struct evlist *evlist __maybe_unused) { struct evsel *evsel = NULL, *leader; + int ret; TEST_ASSERT_VAL("wrong number of entries", evlist->core.nr_entries == (5 * num_core_entries())); @@ -1117,8 +1157,10 @@ static int test__group5(struct evlist *evlist __maybe_unused) for (int i = 0; i < num_core_entries(); i++) { /* cycles + G */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1133,8 +1175,10 @@ static int test__group5(struct evlist *evlist __maybe_unused) /* instructions + G */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1148,8 +1192,10 @@ static int test__group5(struct evlist *evlist __maybe_unused) for (int i = 0; i < num_core_entries(); i++) { /* cycles:G */ evsel = leader = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1164,8 +1210,10 @@ static int test__group5(struct evlist *evlist __maybe_unused) /* instructions:G */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1178,8 +1226,10 @@ static int test__group5(struct evlist *evlist __maybe_unused) for (int i = 0; i < num_core_entries(); i++) { /* cycles */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1201,10 +1251,14 @@ static int test__group_gh1(struct evlist *evlist) evlist__nr_groups(evlist) == num_core_entries()); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles + :H group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1218,8 +1272,10 @@ static int test__group_gh1(struct evlist *evlist) /* cache-misses:G + :H group modifier */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1242,10 +1298,14 @@ static int test__group_gh2(struct evlist *evlist) evlist__nr_groups(evlist) == num_core_entries()); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles + :G group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1259,8 +1319,10 @@ static int test__group_gh2(struct evlist *evlist) /* cache-misses:H + :G group modifier */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1283,10 +1345,14 @@ static int test__group_gh3(struct evlist *evlist) evlist__nr_groups(evlist) == num_core_entries()); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles:G + :u group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1300,8 +1366,10 @@ static int test__group_gh3(struct evlist *evlist) /* cache-misses:H + :u group modifier */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1324,10 +1392,14 @@ static int test__group_gh4(struct evlist *evlist) evlist__nr_groups(evlist) == num_core_entries()); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles:G + :uG group modifier */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1341,8 +1413,10 @@ static int test__group_gh4(struct evlist *evlist) /* cache-misses:H + :uG group modifier */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1363,10 +1437,14 @@ static int test__leader_sample1(struct evlist *evlist) evlist->core.nr_entries == (3 * num_core_entries())); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles - sampling group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1379,8 +1457,10 @@ static int test__leader_sample1(struct evlist *evlist) /* cache-misses - not sampling */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1392,8 +1472,10 @@ static int test__leader_sample1(struct evlist *evlist) /* branch-misses - not sampling */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_BRANCH_MISSES, "branch-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", !evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", !evsel->core.attr.exclude_hv); @@ -1415,10 +1497,14 @@ static int test__leader_sample2(struct evlist *evlist __maybe_unused) evlist->core.nr_entries == (2 * num_core_entries())); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* instructions - sampling group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_INSTRUCTIONS)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_INSTRUCTIONS, "instructions"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1431,8 +1517,10 @@ static int test__leader_sample2(struct evlist *evlist __maybe_unused) /* branch-misses - not sampling */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_BRANCH_MISSES, "branch-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclude_user", !evsel->core.attr.exclude_user); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); TEST_ASSERT_VAL("wrong exclude_hv", evsel->core.attr.exclude_hv); @@ -1472,10 +1560,14 @@ static int test__pinned_group(struct evlist *evlist) evlist->core.nr_entries == (3 * num_core_entries())); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles - group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong group name", !evsel->group_name); TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); /* TODO: The group modifier is not copied to the split group leader. */ @@ -1484,13 +1576,18 @@ static int test__pinned_group(struct evlist *evlist) /* cache-misses - can not be pinned, but will go on with the leader */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); /* branch-misses - ditto */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_BRANCH_MISSES, "branch-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong pinned", !evsel->core.attr.pinned); } return TEST_OK; @@ -1517,10 +1614,14 @@ static int test__exclusive_group(struct evlist *evlist) evlist->core.nr_entries == 3 * num_core_entries()); for (int i = 0; i < num_core_entries(); i++) { + int ret; + /* cycles - group leader */ evsel = leader = (i == 0 ? evlist__first(evlist) : evsel__next(evsel)); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong group name", !evsel->group_name); TEST_ASSERT_VAL("wrong leader", evsel__has_leader(evsel, leader)); /* TODO: The group modifier is not copied to the split group leader. */ @@ -1529,13 +1630,18 @@ static int test__exclusive_group(struct evlist *evlist) /* cache-misses - can not be pinned, but will go on with the leader */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong type", PERF_TYPE_HARDWARE == evsel->core.attr.type); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CACHE_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_CACHE_MISSES, "cache-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.exclusive); /* branch-misses - ditto */ evsel = evsel__next(evsel); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_BRANCH_MISSES)); + ret = assert_hw(&evsel->core, PERF_COUNT_HW_BRANCH_MISSES, "branch-misses"); + if (ret) + return ret; + TEST_ASSERT_VAL("wrong exclusive", !evsel->core.attr.exclusive); } return TEST_OK; @@ -1677,9 +1783,11 @@ static int test__checkevent_raw_pmu(struct evlist *evlist) static int test__sym_event_slash(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); + int ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + + if (ret) + return ret; - TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); TEST_ASSERT_VAL("wrong exclude_kernel", evsel->core.attr.exclude_kernel); return TEST_OK; } @@ -1687,9 +1795,11 @@ static int test__sym_event_slash(struct evlist *evlist) static int test__sym_event_dc(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); + int ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + + if (ret) + return ret; - TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); TEST_ASSERT_VAL("wrong exclude_user", evsel->core.attr.exclude_user); return TEST_OK; } @@ -1697,9 +1807,11 @@ static int test__sym_event_dc(struct evlist *evlist) static int test__term_equal_term(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); + int ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + + if (ret) + return ret; - TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "name") == 0); return TEST_OK; } @@ -1707,9 +1819,11 @@ static int test__term_equal_term(struct evlist *evlist) static int test__term_equal_legacy(struct evlist *evlist) { struct evsel *evsel = evlist__first(evlist); + int ret = assert_hw(&evsel->core, PERF_COUNT_HW_CPU_CYCLES, "cycles"); + + if (ret) + return ret; - TEST_ASSERT_VAL("wrong type", evsel->core.attr.type == PERF_TYPE_HARDWARE); - TEST_ASSERT_VAL("wrong config", test_config(evsel, PERF_COUNT_HW_CPU_CYCLES)); TEST_ASSERT_VAL("wrong name setting", strcmp(evsel->name, "l1d") == 0); return TEST_OK; } diff --git a/tools/perf/util/mem-events.c b/tools/perf/util/mem-events.c index 3a2e3687878c1862c64d0f723496a76ceb2f8229..a6996d3e32c01e37703d049cc235fe7abd457bc3 100644 --- a/tools/perf/util/mem-events.c +++ b/tools/perf/util/mem-events.c @@ -586,7 +586,10 @@ do { \ if (lvl & P(LVL, LFB)) stats->ld_fbhit++; if (lvl & P(LVL, L1 )) stats->ld_l1hit++; if (lvl & P(LVL, L2)) { - stats->ld_l2hit++; + if (snoop & P(SNOOP, HITM)) + HITM_INC(lcl_hitm); + else + stats->ld_l2hit++; if (snoopx & P(SNOOPX, PEER)) PEER_INC(lcl_peer); diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c index 65608a3cba8190e1cdc941d7771319bdc2b6963e..ac5fea49e6dbd110ae42639800343697c161dfed 100644 --- a/tools/perf/util/parse-events.c +++ b/tools/perf/util/parse-events.c @@ -974,7 +974,7 @@ static int config_term_pmu(struct perf_event_attr *attr, struct parse_events_error *err) { if (term->type_term == PARSE_EVENTS__TERM_TYPE_LEGACY_CACHE) { - const struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type); + struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type); if (!pmu) { char *err_str; @@ -984,15 +984,23 @@ static int config_term_pmu(struct perf_event_attr *attr, err_str, /*help=*/NULL); return -EINVAL; } - if (perf_pmu__supports_legacy_cache(pmu)) { + /* + * Rewrite the PMU event to a legacy cache one unless the PMU + * doesn't support legacy cache events or the event is present + * within the PMU. + */ + if (perf_pmu__supports_legacy_cache(pmu) && + !perf_pmu__have_event(pmu, term->config)) { attr->type = PERF_TYPE_HW_CACHE; return parse_events__decode_legacy_cache(term->config, pmu->type, &attr->config); - } else + } else { term->type_term = PARSE_EVENTS__TERM_TYPE_USER; + term->no_value = true; + } } if (term->type_term == PARSE_EVENTS__TERM_TYPE_HARDWARE) { - const struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type); + struct perf_pmu *pmu = perf_pmus__find_by_type(attr->type); if (!pmu) { char *err_str; @@ -1002,10 +1010,19 @@ static int config_term_pmu(struct perf_event_attr *attr, err_str, /*help=*/NULL); return -EINVAL; } - attr->type = PERF_TYPE_HARDWARE; - attr->config = term->val.num; - if (perf_pmus__supports_extended_type()) - attr->config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT; + /* + * If the PMU has a sysfs or json event prefer it over + * legacy. ARM requires this. + */ + if (perf_pmu__have_event(pmu, term->config)) { + term->type_term = PARSE_EVENTS__TERM_TYPE_USER; + term->no_value = true; + } else { + attr->type = PERF_TYPE_HARDWARE; + attr->config = term->val.num; + if (perf_pmus__supports_extended_type()) + attr->config |= (__u64)pmu->type << PERF_PMU_TYPE_SHIFT; + } return 0; } if (term->type_term == PARSE_EVENTS__TERM_TYPE_USER || @@ -1379,6 +1396,7 @@ int parse_events_add_pmu(struct parse_events_state *parse_state, struct parse_events_error *err = parse_state->error; YYLTYPE *loc = loc_; LIST_HEAD(config_terms); + bool alias_rewrote_terms = false; pmu = parse_state->fake_pmu ?: perf_pmus__find(name); @@ -1426,7 +1444,13 @@ int parse_events_add_pmu(struct parse_events_state *parse_state, return evsel ? 0 : -ENOMEM; } - if (!parse_state->fake_pmu && perf_pmu__check_alias(pmu, head_config, &info, err)) + /* Configure attr/terms with a known PMU, this will set hardcoded terms. */ + if (config_attr(&attr, head_config, parse_state->error, config_term_pmu)) + return -EINVAL; + + /* Look for event names in the terms and rewrite into format based terms. */ + if (!parse_state->fake_pmu && perf_pmu__check_alias(pmu, head_config, + &info, &alias_rewrote_terms, err)) return -EINVAL; if (verbose > 1) { @@ -1438,11 +1462,9 @@ int parse_events_add_pmu(struct parse_events_state *parse_state, strbuf_release(&sb); } - /* - * Configure hardcoded terms first, no need to check - * return value when called with fail == 0 ;) - */ - if (config_attr(&attr, head_config, parse_state->error, config_term_pmu)) + /* Configure attr/terms again if an alias was expanded. */ + if (alias_rewrote_terms && + config_attr(&attr, head_config, parse_state->error, config_term_pmu)) return -EINVAL; if (get_config_terms(head_config, &config_terms)) diff --git a/tools/perf/util/pmu.c b/tools/perf/util/pmu.c index 2587c4b463fa88b3a6a183cb58a840b67d09d5b6..da899baadc8e3b90a6f67b1fd51d501bb6ad7277 100644 --- a/tools/perf/util/pmu.c +++ b/tools/perf/util/pmu.c @@ -1542,12 +1542,14 @@ static int check_info_data(struct perf_pmu *pmu, * defined for the alias */ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, - struct perf_pmu_info *info, struct parse_events_error *err) + struct perf_pmu_info *info, bool *rewrote_terms, + struct parse_events_error *err) { struct parse_events_term *term, *h; struct perf_pmu_alias *alias; int ret; + *rewrote_terms = false; info->per_pkg = false; /* @@ -1569,7 +1571,7 @@ int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, NULL); return ret; } - + *rewrote_terms = true; ret = check_info_data(pmu, alias, info, err, term->err_term); if (ret) return ret; @@ -1663,6 +1665,8 @@ bool perf_pmu__auto_merge_stats(const struct perf_pmu *pmu) bool perf_pmu__have_event(struct perf_pmu *pmu, const char *name) { + if (!name) + return false; if (perf_pmu__find_alias(pmu, name, /*load=*/ true) != NULL) return true; if (pmu->cpu_aliases_added || !pmu->events_table) diff --git a/tools/perf/util/pmu.h b/tools/perf/util/pmu.h index 5a03c361cb04ce3d3d056b26be3f31f8ca2dcf96..b4de5bf86e184328e4f60e6310c3d6107c36fcd8 100644 --- a/tools/perf/util/pmu.h +++ b/tools/perf/util/pmu.h @@ -207,7 +207,8 @@ int perf_pmu__config_terms(struct perf_pmu *pmu, __u64 perf_pmu__format_bits(struct perf_pmu *pmu, const char *name); int perf_pmu__format_type(struct perf_pmu *pmu, const char *name); int perf_pmu__check_alias(struct perf_pmu *pmu, struct list_head *head_terms, - struct perf_pmu_info *info, struct parse_events_error *err); + struct perf_pmu_info *info, bool *rewrote_terms, + struct parse_events_error *err); int perf_pmu__find_event(struct perf_pmu *pmu, const char *event, void *state, pmu_event_callback cb); int perf_pmu__format_parse(struct perf_pmu *pmu, int dirfd, bool eager_load);