Adding upstream version 6.7.7.upstream/6.7.7

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

13 files changed, 106 insertions, 231 deletions

diff --git a/tools/perf/arch/arm/util/cs-etm.c b/tools/perf/arch/arm/util/cs-etm.c
index b8d6a953fd..2cf873d71d 100644
--- a/tools/perf/arch/arm/util/cs-etm.c
+++ b/tools/perf/arch/arm/util/cs-etm.c
@@ -205,8 +205,17 @@ static int cs_etm_validate_config(struct auxtrace_record *itr,
 	for (i = 0; i < cpu__max_cpu().cpu; i++) {
 		struct perf_cpu cpu = { .cpu = i, };
 
-		if (!perf_cpu_map__has(event_cpus, cpu) ||
-		    !perf_cpu_map__has(online_cpus, cpu))
+		/*
+		 * In per-cpu case, do the validation for CPUs to work with.
+		 * In per-thread case, the CPU map is empty.  Since the traced
+		 * program can run on any CPUs in this case, thus don't skip
+		 * validation.
+		 */
+		if (!perf_cpu_map__empty(event_cpus) &&
+		    !perf_cpu_map__has(event_cpus, cpu))
+			continue;
+
+		if (!perf_cpu_map__has(online_cpus, cpu))
 			continue;
 
 		err = cs_etm_validate_context_id(itr, evsel, i);
@@ -433,6 +442,15 @@ static int cs_etm_recording_options(struct auxtrace_record *itr,
 					   "contextid", 1);
 	}
 
+	/*
+	 * When the option '--timestamp' or '-T' is enabled, the PERF_SAMPLE_TIME
+	 * bit is set for all events.  In this case, always enable Arm CoreSight
+	 * timestamp tracing.
+	 */
+	if (opts->sample_time_set)
+		evsel__set_config_if_unset(cs_etm_pmu, cs_etm_evsel,
+					   "timestamp", 1);
+
 	/* Add dummy event to keep tracking */
 	err = parse_event(evlist, "dummy:u");
 	if (err)
@@ -917,16 +935,9 @@ out:
  * (CFG_CHG and evsel__set_config_if_unset()). If no default is set then user
  * changes aren't tracked.
  */
-struct perf_event_attr *
-cs_etm_get_default_config(struct perf_pmu *pmu __maybe_unused)
+void
+cs_etm_get_default_config(const struct perf_pmu *pmu __maybe_unused,
+			  struct perf_event_attr *attr)
 {
-	struct perf_event_attr *attr;
-
-	attr = zalloc(sizeof(struct perf_event_attr));
-	if (!attr)
-		return NULL;
-
 	attr->sample_period = 1;
-
-	return attr;
 }
diff --git a/tools/perf/arch/arm/util/pmu.c b/tools/perf/arch/arm/util/pmu.c
index a9623b128e..7f3af3b97f 100644
--- a/tools/perf/arch/arm/util/pmu.c
+++ b/tools/perf/arch/arm/util/pmu.c
@@ -14,22 +14,22 @@
 #include "../../../util/pmu.h"
 #include "../../../util/cs-etm.h"
 
-struct perf_event_attr
-*perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused)
 {
 #ifdef HAVE_AUXTRACE_SUPPORT
 	if (!strcmp(pmu->name, CORESIGHT_ETM_PMU_NAME)) {
 		/* add ETM default config here */
 		pmu->selectable = true;
-		return cs_etm_get_default_config(pmu);
+		pmu->perf_event_attr_init_default = cs_etm_get_default_config;
 #if defined(__aarch64__)
 	} else if (strstarts(pmu->name, ARM_SPE_PMU_NAME)) {
-		return arm_spe_pmu_default_config(pmu);
+		pmu->selectable = true;
+		pmu->is_uncore = false;
+		pmu->perf_event_attr_init_default = arm_spe_pmu_default_config;
 	} else if (strstarts(pmu->name, HISI_PTT_PMU_NAME)) {
 		pmu->selectable = true;
 #endif
 	}
 
 #endif
-	return NULL;
 }
diff --git a/tools/perf/arch/arm64/util/arm-spe.c b/tools/perf/arch/arm64/util/arm-spe.c
index 9cc3d6dcb8..e3acc739bd 100644
--- a/tools/perf/arch/arm64/util/arm-spe.c
+++ b/tools/perf/arch/arm64/util/arm-spe.c
@@ -113,6 +113,25 @@ arm_spe_snapshot_resolve_auxtrace_defaults(struct record_opts *opts,
 	}
 }
 
+static __u64 arm_spe_pmu__sample_period(const struct perf_pmu *arm_spe_pmu)
+{
+	static __u64 sample_period;
+
+	if (sample_period)
+		return sample_period;
+
+	/*
+	 * If kernel driver doesn't advertise a minimum,
+	 * use max allowable by PMSIDR_EL1.INTERVAL
+	 */
+	if (perf_pmu__scan_file(arm_spe_pmu, "caps/min_interval", "%llu",
+				&sample_period) != 1) {
+		pr_debug("arm_spe driver doesn't advertise a min. interval. Using 4096\n");
+		sample_period = 4096;
+	}
+	return sample_period;
+}
+
 static int arm_spe_recording_options(struct auxtrace_record *itr,
 				     struct evlist *evlist,
 				     struct record_opts *opts)
@@ -136,7 +155,7 @@ static int arm_spe_recording_options(struct auxtrace_record *itr,
 				return -EINVAL;
 			}
 			evsel->core.attr.freq = 0;
-			evsel->core.attr.sample_period = arm_spe_pmu->default_config->sample_period;
+			evsel->core.attr.sample_period = arm_spe_pmu__sample_period(arm_spe_pmu);
 			evsel->needs_auxtrace_mmap = true;
 			arm_spe_evsel = evsel;
 			opts->full_auxtrace = true;
@@ -495,29 +514,8 @@ struct auxtrace_record *arm_spe_recording_init(int *err,
 	return &sper->itr;
 }
 
-struct perf_event_attr
-*arm_spe_pmu_default_config(struct perf_pmu *arm_spe_pmu)
+void
+arm_spe_pmu_default_config(const struct perf_pmu *arm_spe_pmu, struct perf_event_attr *attr)
 {
-	struct perf_event_attr *attr;
-
-	attr = zalloc(sizeof(struct perf_event_attr));
-	if (!attr) {
-		pr_err("arm_spe default config cannot allocate a perf_event_attr\n");
-		return NULL;
-	}
-
-	/*
-	 * If kernel driver doesn't advertise a minimum,
-	 * use max allowable by PMSIDR_EL1.INTERVAL
-	 */
-	if (perf_pmu__scan_file(arm_spe_pmu, "caps/min_interval", "%llu",
-				  &attr->sample_period) != 1) {
-		pr_debug("arm_spe driver doesn't advertise a min. interval. Using 4096\n");
-		attr->sample_period = 4096;
-	}
-
-	arm_spe_pmu->selectable = true;
-	arm_spe_pmu->is_uncore = false;
-
-	return attr;
+	attr->sample_period = arm_spe_pmu__sample_period(arm_spe_pmu);
 }
diff --git a/tools/perf/arch/arm64/util/pmu.c b/tools/perf/arch/arm64/util/pmu.c
index 615084eb88..2a4eab2d16 100644
--- a/tools/perf/arch/arm64/util/pmu.c
+++ b/tools/perf/arch/arm64/util/pmu.c
@@ -10,20 +10,16 @@
 
 const struct pmu_metrics_table *pmu_metrics_table__find(void)
 {
-	struct perf_pmu *pmu = pmu__find_core_pmu();
+	struct perf_pmu *pmu;
 
-	if (pmu)
-		return perf_pmu__find_metrics_table(pmu);
-
-	return NULL;
-}
-
-const struct pmu_events_table *pmu_events_table__find(void)
-{
-	struct perf_pmu *pmu = pmu__find_core_pmu();
+	/* Metrics aren't currently supported on heterogeneous Arm systems */
+	if (perf_pmus__num_core_pmus() > 1)
+		return NULL;
 
+	/* Doesn't matter which one here because they'll all be the same */
+	pmu = perf_pmus__find_core_pmu();
 	if (pmu)
-		return perf_pmu__find_events_table(pmu);
+		return perf_pmu__find_metrics_table(pmu);
 
 	return NULL;
 }
@@ -32,7 +28,7 @@ double perf_pmu__cpu_slots_per_cycle(void)
 {
 	char path[PATH_MAX];
 	unsigned long long slots = 0;
-	struct perf_pmu *pmu = pmu__find_core_pmu();
+	struct perf_pmu *pmu = perf_pmus__find_core_pmu();
 
 	if (pmu) {
 		perf_pmu__pathname_scnprintf(path, sizeof(path),
diff --git a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
index cb5e757f66..116ff501bf 100644
--- a/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
+++ b/tools/perf/arch/mips/entry/syscalls/syscall_n64.tbl
@@ -214,7 +214,7 @@
 203	n64	io_submit			sys_io_submit
 204	n64	io_cancel			sys_io_cancel
 205	n64	exit_group			sys_exit_group
-206	n64	lookup_dcookie			sys_lookup_dcookie
+206	n64	lookup_dcookie			sys_ni_syscall
 207	n64	epoll_create			sys_epoll_create
 208	n64	epoll_ctl			sys_epoll_ctl
 209	n64	epoll_wait			sys_epoll_wait
@@ -367,3 +367,7 @@
 450	common	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	n64	cachestat			sys_cachestat
 452	n64	fchmodat2			sys_fchmodat2
+453	n64	map_shadow_stack		sys_map_shadow_stack
+454	n64	futex_wake			sys_futex_wake
+455	n64	futex_wait			sys_futex_wait
+456	n64	futex_requeue			sys_futex_requeue
diff --git a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
index 20e50586e8..7fab411378 100644
--- a/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/powerpc/entry/syscalls/syscall.tbl
@@ -294,7 +294,7 @@
 233	32	fadvise64			sys_ppc32_fadvise64		compat_sys_ppc32_fadvise64
 233	64	fadvise64			sys_fadvise64
 234	nospu	exit_group			sys_exit_group
-235	nospu	lookup_dcookie			sys_lookup_dcookie		compat_sys_lookup_dcookie
+235	nospu	lookup_dcookie			sys_ni_syscall
 236	common	epoll_create			sys_epoll_create
 237	common	epoll_ctl			sys_epoll_ctl
 238	common	epoll_wait			sys_epoll_wait
@@ -539,3 +539,7 @@
 450 	nospu	set_mempolicy_home_node		sys_set_mempolicy_home_node
 451	common	cachestat			sys_cachestat
 452	common	fchmodat2			sys_fchmodat2
+453	common	map_shadow_stack		sys_ni_syscall
+454	common	futex_wake			sys_futex_wake
+455	common	futex_wait			sys_futex_wait
+456	common	futex_requeue			sys_futex_requeue
diff --git a/tools/perf/arch/powerpc/util/header.c b/tools/perf/arch/powerpc/util/header.c
index c8d0dc775e..6b00efd536 100644
--- a/tools/perf/arch/powerpc/util/header.c
+++ b/tools/perf/arch/powerpc/util/header.c
@@ -34,7 +34,7 @@ get_cpuid_str(struct perf_pmu *pmu __maybe_unused)
 {
 	char *bufp;
 
-	if (asprintf(&bufp, "%.8lx", mfspr(SPRN_PVR)) < 0)
+	if (asprintf(&bufp, "0x%.8lx", mfspr(SPRN_PVR)) < 0)
 		bufp = NULL;
 
 	return bufp;
diff --git a/tools/perf/arch/s390/entry/syscalls/syscall.tbl b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
index 0122cc1569..86fec9b080 100644
--- a/tools/perf/arch/s390/entry/syscalls/syscall.tbl
+++ b/tools/perf/arch/s390/entry/syscalls/syscall.tbl
@@ -100,7 +100,7 @@
 106  common	stat			sys_newstat			compat_sys_newstat
 107  common	lstat			sys_newlstat			compat_sys_newlstat
 108  common	fstat			sys_newfstat			compat_sys_newfstat
-110  common	lookup_dcookie		sys_lookup_dcookie		compat_sys_lookup_dcookie
+110  common	lookup_dcookie		-				-
 111  common	vhangup			sys_vhangup			sys_vhangup
 112  common	idle			-				-
 114  common	wait4			sys_wait4			compat_sys_wait4
@@ -455,3 +455,7 @@
 450  common	set_mempolicy_home_node	sys_set_mempolicy_home_node	sys_set_mempolicy_home_node
 451  common	cachestat		sys_cachestat			sys_cachestat
 452  common	fchmodat2		sys_fchmodat2			sys_fchmodat2
+453  common	map_shadow_stack	sys_map_shadow_stack		sys_map_shadow_stack
+454  common	futex_wake		sys_futex_wake			sys_futex_wake
+455  common	futex_wait		sys_futex_wait			sys_futex_wait
+456  common	futex_requeue		sys_futex_requeue		sys_futex_requeue
diff --git a/tools/perf/arch/s390/util/pmu.c b/tools/perf/arch/s390/util/pmu.c
index 11f03f32e3..886c30e001 100644
--- a/tools/perf/arch/s390/util/pmu.c
+++ b/tools/perf/arch/s390/util/pmu.c
@@ -13,11 +13,10 @@
 #define	S390_PMUPAI_EXT		"pai_ext"
 #define	S390_PMUCPUM_CF		"cpum_cf"
 
-struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu)
+void perf_pmu__arch_init(struct perf_pmu *pmu)
 {
 	if (!strcmp(pmu->name, S390_PMUPAI_CRYPTO) ||
 	    !strcmp(pmu->name, S390_PMUPAI_EXT) ||
 	    !strcmp(pmu->name, S390_PMUCPUM_CF))
 		pmu->selectable = true;
-	return NULL;
 }
diff --git a/tools/perf/arch/x86/annotate/instructions.c b/tools/perf/arch/x86/annotate/instructions.c
index 5f4ac4fc7f..5cdf457f5c 100644
--- a/tools/perf/arch/x86/annotate/instructions.c
+++ b/tools/perf/arch/x86/annotate/instructions.c
@@ -74,12 +74,15 @@ static struct ins x86__instructions[] = {
 	{ .name = "movdqa",	.ops = &mov_ops,  },
 	{ .name = "movdqu",	.ops = &mov_ops,  },
 	{ .name = "movsd",	.ops = &mov_ops,  },
-	{ .name = "movslq",	.ops = &mov_ops,  },
 	{ .name = "movss",	.ops = &mov_ops,  },
+	{ .name = "movsb",	.ops = &mov_ops,  },
+	{ .name = "movsw",	.ops = &mov_ops,  },
+	{ .name = "movsl",	.ops = &mov_ops,  },
 	{ .name = "movupd",	.ops = &mov_ops,  },
 	{ .name = "movups",	.ops = &mov_ops,  },
-	{ .name = "movzbl",	.ops = &mov_ops,  },
-	{ .name = "movzwl",	.ops = &mov_ops,  },
+	{ .name = "movzb",	.ops = &mov_ops,  },
+	{ .name = "movzw",	.ops = &mov_ops,  },
+	{ .name = "movzl",	.ops = &mov_ops,  },
 	{ .name = "mulsd",	.ops = &mov_ops,  },
 	{ .name = "mulss",	.ops = &mov_ops,  },
 	{ .name = "nop",	.ops = &nop_ops,  },
diff --git a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
index 1d6eee30ec..8cb8bf6872 100644
--- a/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
+++ b/tools/perf/arch/x86/entry/syscalls/syscall_64.tbl
@@ -220,7 +220,7 @@
 209	64	io_submit		sys_io_submit
 210	common	io_cancel		sys_io_cancel
 211	64	get_thread_area
-212	common	lookup_dcookie		sys_lookup_dcookie
+212	common	lookup_dcookie
 213	common	epoll_create		sys_epoll_create
 214	64	epoll_ctl_old
 215	64	epoll_wait_old
@@ -375,6 +375,9 @@
 451	common	cachestat		sys_cachestat
 452	common	fchmodat2		sys_fchmodat2
 453	64	map_shadow_stack	sys_map_shadow_stack
+454	common	futex_wake		sys_futex_wake
+455	common	futex_wait		sys_futex_wait
+456	common	futex_requeue		sys_futex_requeue
 
 #
 # Due to a historical design error, certain syscalls are numbered differently
diff --git a/tools/perf/arch/x86/util/intel-pt.c b/tools/perf/arch/x86/util/intel-pt.c
index 3180779158..fa0c718b9e 100644
--- a/tools/perf/arch/x86/util/intel-pt.c
+++ b/tools/perf/arch/x86/util/intel-pt.c
@@ -60,36 +60,31 @@ struct intel_pt_recording {
 	size_t				priv_size;
 };
 
-static int intel_pt_parse_terms_with_default(struct perf_pmu *pmu,
+static int intel_pt_parse_terms_with_default(const struct perf_pmu *pmu,
 					     const char *str,
 					     u64 *config)
 {
-	struct list_head *terms;
+	struct parse_events_terms terms;
 	struct perf_event_attr attr = { .size = 0, };
 	int err;
 
-	terms = malloc(sizeof(struct list_head));
-	if (!terms)
-		return -ENOMEM;
-
-	INIT_LIST_HEAD(terms);
-
-	err = parse_events_terms(terms, str, /*input=*/ NULL);
+	parse_events_terms__init(&terms);
+	err = parse_events_terms(&terms, str, /*input=*/ NULL);
 	if (err)
 		goto out_free;
 
 	attr.config = *config;
-	err = perf_pmu__config_terms(pmu, &attr, terms, /*zero=*/true, /*err=*/NULL);
+	err = perf_pmu__config_terms(pmu, &attr, &terms, /*zero=*/true, /*err=*/NULL);
 	if (err)
 		goto out_free;
 
 	*config = attr.config;
 out_free:
-	parse_events_terms__delete(terms);
+	parse_events_terms__exit(&terms);
 	return err;
 }
 
-static int intel_pt_parse_terms(struct perf_pmu *pmu, const char *str, u64 *config)
+static int intel_pt_parse_terms(const struct perf_pmu *pmu, const char *str, u64 *config)
 {
 	*config = 0;
 	return intel_pt_parse_terms_with_default(pmu, str, config);
@@ -182,7 +177,7 @@ static int intel_pt_pick_bit(int bits, int target)
 	return pick;
 }
 
-static u64 intel_pt_default_config(struct perf_pmu *intel_pt_pmu)
+static u64 intel_pt_default_config(const struct perf_pmu *intel_pt_pmu)
 {
 	char buf[256];
 	int mtc, mtc_periods = 0, mtc_period;
@@ -261,20 +256,17 @@ static int intel_pt_parse_snapshot_options(struct auxtrace_record *itr,
 	return 0;
 }
 
-struct perf_event_attr *
-intel_pt_pmu_default_config(struct perf_pmu *intel_pt_pmu)
+void intel_pt_pmu_default_config(const struct perf_pmu *intel_pt_pmu,
+				 struct perf_event_attr *attr)
 {
-	struct perf_event_attr *attr;
-
-	attr = zalloc(sizeof(struct perf_event_attr));
-	if (!attr)
-		return NULL;
-
-	attr->config = intel_pt_default_config(intel_pt_pmu);
+	static u64 config;
+	static bool initialized;
 
-	intel_pt_pmu->selectable = true;
-
-	return attr;
+	if (!initialized) {
+		config = intel_pt_default_config(intel_pt_pmu);
+		initialized = true;
+	}
+	attr->config = config;
 }
 
 static const char *intel_pt_find_filter(struct evlist *evlist,
diff --git a/tools/perf/arch/x86/util/pmu.c b/tools/perf/arch/x86/util/pmu.c
index f428cffb03..469555ae9b 100644
--- a/tools/perf/arch/x86/util/pmu.c
+++ b/tools/perf/arch/x86/util/pmu.c
@@ -17,158 +17,19 @@
 #include "../../../util/pmus.h"
 #include "env.h"
 
-struct pmu_alias {
-	char *name;
-	char *alias;
-	struct list_head list;
-};
-
-static LIST_HEAD(pmu_alias_name_list);
-static bool cached_list;
-
-struct perf_event_attr *perf_pmu__get_default_config(struct perf_pmu *pmu __maybe_unused)
+void perf_pmu__arch_init(struct perf_pmu *pmu __maybe_unused)
 {
 #ifdef HAVE_AUXTRACE_SUPPORT
 	if (!strcmp(pmu->name, INTEL_PT_PMU_NAME)) {
 		pmu->auxtrace = true;
-		return intel_pt_pmu_default_config(pmu);
+		pmu->selectable = true;
+		pmu->perf_event_attr_init_default = intel_pt_pmu_default_config;
 	}
 	if (!strcmp(pmu->name, INTEL_BTS_PMU_NAME)) {
 		pmu->auxtrace = true;
 		pmu->selectable = true;
 	}
 #endif
-	return NULL;
-}
-
-static void pmu_alias__delete(struct pmu_alias *pmu_alias)
-{
-	if (!pmu_alias)
-		return;
-
-	zfree(&pmu_alias->name);
-	zfree(&pmu_alias->alias);
-	free(pmu_alias);
-}
-
-static struct pmu_alias *pmu_alias__new(char *name, char *alias)
-{
-	struct pmu_alias *pmu_alias = zalloc(sizeof(*pmu_alias));
-
-	if (pmu_alias) {
-		pmu_alias->name = strdup(name);
-		if (!pmu_alias->name)
-			goto out_delete;
-
-		pmu_alias->alias = strdup(alias);
-		if (!pmu_alias->alias)
-			goto out_delete;
-	}
-	return pmu_alias;
-
-out_delete:
-	pmu_alias__delete(pmu_alias);
-	return NULL;
-}
-
-static int setup_pmu_alias_list(void)
-{
-	int fd, dirfd;
-	DIR *dir;
-	struct dirent *dent;
-	struct pmu_alias *pmu_alias;
-	char buf[MAX_PMU_NAME_LEN];
-	FILE *file;
-	int ret = -ENOMEM;
-
-	dirfd = perf_pmu__event_source_devices_fd();
-	if (dirfd < 0)
-		return -1;
-
-	dir = fdopendir(dirfd);
-	if (!dir)
-		return -errno;
-
-	while ((dent = readdir(dir))) {
-		if (!strcmp(dent->d_name, ".") ||
-		    !strcmp(dent->d_name, ".."))
-			continue;
-
-		fd = perf_pmu__pathname_fd(dirfd, dent->d_name, "alias", O_RDONLY);
-		if (fd < 0)
-			continue;
-
-		file = fdopen(fd, "r");
-		if (!file)
-			continue;
-
-		if (!fgets(buf, sizeof(buf), file)) {
-			fclose(file);
-			continue;
-		}
-
-		fclose(file);
-
-		/* Remove the last '\n' */
-		buf[strlen(buf) - 1] = 0;
-
-		pmu_alias = pmu_alias__new(dent->d_name, buf);
-		if (!pmu_alias)
-			goto close_dir;
-
-		list_add_tail(&pmu_alias->list, &pmu_alias_name_list);
-	}
-
-	ret = 0;
-
-close_dir:
-	closedir(dir);
-	return ret;
-}
-
-static const char *__pmu_find_real_name(const char *name)
-{
-	struct pmu_alias *pmu_alias;
-
-	list_for_each_entry(pmu_alias, &pmu_alias_name_list, list) {
-		if (!strcmp(name, pmu_alias->alias))
-			return pmu_alias->name;
-	}
-
-	return name;
-}
-
-const char *pmu_find_real_name(const char *name)
-{
-	if (cached_list)
-		return __pmu_find_real_name(name);
-
-	setup_pmu_alias_list();
-	cached_list = true;
-
-	return __pmu_find_real_name(name);
-}
-
-static const char *__pmu_find_alias_name(const char *name)
-{
-	struct pmu_alias *pmu_alias;
-
-	list_for_each_entry(pmu_alias, &pmu_alias_name_list, list) {
-		if (!strcmp(name, pmu_alias->name))
-			return pmu_alias->alias;
-	}
-	return NULL;
-}
-
-const char *pmu_find_alias_name(const char *name)
-{
-	if (cached_list)
-		return __pmu_find_alias_name(name);
-
-	setup_pmu_alias_list();
-	cached_list = true;
-
-	return __pmu_find_alias_name(name);
 }
 
 int perf_pmus__num_mem_pmus(void)