diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 46aaa6b14ca1f0b2169e76fdd546475b69e8be17..e4efdbf1a81e939c4395f7bc161c6cbb37d6c7e2 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -857,8 +857,7 @@ try_again:
 				goto try_again;
 			}
 			rc = -errno;
-			perf_evsel__open_strerror(pos, &opts->target,
-						  errno, msg, sizeof(msg));
+			evsel__open_strerror(pos, &opts->target, errno, msg, sizeof(msg));
 			ui__error("%s\n", msg);
 			goto out;
 		}
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c
index 92a59f08db71d32918809939e4e9b42d0cff7eb9..188b2f9578560747987368a140f774c4f7de868c 100644
--- a/tools/perf/builtin-stat.c
+++ b/tools/perf/builtin-stat.c
@@ -484,8 +484,7 @@ static enum counter_recovery stat_handle_error(struct evsel *counter)
 		}
 	}
 
-	perf_evsel__open_strerror(counter, &target,
-				  errno, msg, sizeof(msg));
+	evsel__open_strerror(counter, &target, errno, msg, sizeof(msg));
 	ui__error("%s\n", msg);
 
 	if (child_pid != -1)
diff --git a/tools/perf/builtin-top.c b/tools/perf/builtin-top.c
index d5bfffed28431c167d30db17be1640deb552a158..372c38254654d1a8bcf520f8deb2463db71a9c31 100644
--- a/tools/perf/builtin-top.c
+++ b/tools/perf/builtin-top.c
@@ -1051,8 +1051,7 @@ try_again:
 				goto try_again;
 			}
 
-			perf_evsel__open_strerror(counter, &opts->target,
-						  errno, msg, sizeof(msg));
+			evsel__open_strerror(counter, &opts->target, errno, msg, sizeof(msg));
 			ui__error("%s\n", msg);
 			goto out_err;
 		}
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index 5b90ee3eda719dffb324dc9f45a8a1615f786def..895188b63f9635b2c32ac2f241a9e14aa6aa3c92 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -654,7 +654,7 @@ static int test__group1(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* cycles:upp */
@@ -670,7 +670,7 @@ static int test__group1(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 2);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	return 0;
@@ -696,7 +696,7 @@ static int test__group2(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* cache-references + :u modifier */
@@ -711,7 +711,7 @@ static int test__group2(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* cycles:k */
@@ -754,7 +754,7 @@ static int test__group3(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong group name",
 		!strcmp(leader->group_name, "group1"));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* group1 cycles:kppp */
@@ -771,7 +771,7 @@ static int test__group3(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 3);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* group2 cycles + G modifier */
@@ -789,7 +789,7 @@ static int test__group3(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong group name",
 		!strcmp(leader->group_name, "group2"));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* group2 1:3 + G modifier */
@@ -803,7 +803,7 @@ static int test__group3(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* instructions:u */
@@ -845,7 +845,7 @@ static int test__group4(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* instructions:kp + p */
@@ -861,7 +861,7 @@ static int test__group4(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", evsel->core.attr.precise_ip == 2);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	return 0;
@@ -888,7 +888,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* instructions + G */
@@ -903,7 +903,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* cycles:G */
@@ -920,7 +920,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 	TEST_ASSERT_VAL("wrong sample_read", !evsel->sample_read);
 
 	/* instructions:G */
@@ -935,7 +935,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
 	TEST_ASSERT_VAL("wrong exclude host", evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 
 	/* cycles */
 	evsel = evsel__next(evsel);
@@ -974,7 +974,7 @@ static int test__group_gh1(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 
 	/* cache-misses:G + :H group modifier */
 	evsel = evsel__next(evsel);
@@ -988,7 +988,7 @@ static int test__group_gh1(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 
 	return 0;
 }
@@ -1014,7 +1014,7 @@ static int test__group_gh2(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 
 	/* cache-misses:H + :G group modifier */
 	evsel = evsel__next(evsel);
@@ -1028,7 +1028,7 @@ static int test__group_gh2(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 
 	return 0;
 }
@@ -1054,7 +1054,7 @@ static int test__group_gh3(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 
 	/* cache-misses:H + :u group modifier */
 	evsel = evsel__next(evsel);
@@ -1068,7 +1068,7 @@ static int test__group_gh3(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 
 	return 0;
 }
@@ -1094,7 +1094,7 @@ static int test__group_gh4(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong group name", !evsel->group_name);
 	TEST_ASSERT_VAL("wrong leader", evsel__is_group_leader(evsel));
 	TEST_ASSERT_VAL("wrong core.nr_members", evsel->core.nr_members == 2);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 0);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 0);
 
 	/* cache-misses:H + :uG group modifier */
 	evsel = evsel__next(evsel);
@@ -1108,7 +1108,7 @@ static int test__group_gh4(struct evlist *evlist)
 	TEST_ASSERT_VAL("wrong exclude host", !evsel->core.attr.exclude_host);
 	TEST_ASSERT_VAL("wrong precise_ip", !evsel->core.attr.precise_ip);
 	TEST_ASSERT_VAL("wrong leader", evsel->leader == leader);
-	TEST_ASSERT_VAL("wrong group_idx", perf_evsel__group_idx(evsel) == 1);
+	TEST_ASSERT_VAL("wrong group_idx", evsel__group_idx(evsel) == 1);
 
 	return 0;
 }
diff --git a/tools/perf/ui/hist.c b/tools/perf/ui/hist.c
index 1a83614901a461893f50842c4ae91002b732e7c8..c1f24d00485272bbbd0a87bc9762d6b304b1a349 100644
--- a/tools/perf/ui/hist.c
+++ b/tools/perf/ui/hist.c
@@ -48,7 +48,7 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 		struct hist_entry *pair;
 		int nr_members = evsel->core.nr_members;
 
-		prev_idx = perf_evsel__group_idx(evsel);
+		prev_idx = evsel__group_idx(evsel);
 
 		list_for_each_entry(pair, &he->pairs.head, pairs.node) {
 			u64 period = get_field(pair);
@@ -58,7 +58,7 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 				continue;
 
 			evsel = hists_to_evsel(pair->hists);
-			idx_delta = perf_evsel__group_idx(evsel) - prev_idx - 1;
+			idx_delta = evsel__group_idx(evsel) - prev_idx - 1;
 
 			while (idx_delta--) {
 				/*
@@ -82,7 +82,7 @@ static int __hpp__fmt(struct perf_hpp *hpp, struct hist_entry *he,
 							  len, period);
 			}
 
-			prev_idx = perf_evsel__group_idx(evsel);
+			prev_idx = evsel__group_idx(evsel);
 		}
 
 		idx_delta = nr_members - prev_idx - 1;
@@ -164,12 +164,12 @@ static int hist_entry__new_pair(struct hist_entry *a, struct hist_entry *b,
 
 	list_for_each_entry(pair, &a->pairs.head, pairs.node) {
 		struct evsel *evsel = hists_to_evsel(pair->hists);
-		fa[perf_evsel__group_idx(evsel)] = get_field(pair);
+		fa[evsel__group_idx(evsel)] = get_field(pair);
 	}
 
 	list_for_each_entry(pair, &b->pairs.head, pairs.node) {
 		struct evsel *evsel = hists_to_evsel(pair->hists);
-		fb[perf_evsel__group_idx(evsel)] = get_field(pair);
+		fb[evsel__group_idx(evsel)] = get_field(pair);
 	}
 
 	*fields_a = fa;
diff --git a/tools/perf/util/evsel.c b/tools/perf/util/evsel.c
index a75bcb95bf2302e75d1467fefbef3ee0b4a0dfa2..5908cd8761d94566da97115aa92fb0c7cc1efe21 100644
--- a/tools/perf/util/evsel.c
+++ b/tools/perf/util/evsel.c
@@ -1721,8 +1721,7 @@ retry_open:
 
 			/*
 			 * If we succeeded but had to kill clockid, fail and
-			 * have perf_evsel__open_strerror() print us a nice
-			 * error.
+			 * have evsel__open_strerror() print us a nice error.
 			 */
 			if (perf_missing_features.clockid ||
 			    perf_missing_features.clockid_wrong) {
@@ -2474,8 +2473,8 @@ static bool find_process(const char *name)
 	return ret ? false : true;
 }
 
-int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
-			      int err, char *msg, size_t size)
+int evsel__open_strerror(struct evsel *evsel, struct target *target,
+			 int err, char *msg, size_t size)
 {
 	char sbuf[STRERR_BUFSIZE];
 	int printed = 0;
diff --git a/tools/perf/util/evsel.h b/tools/perf/util/evsel.h
index 783246bf8d0ddbbf2e9987634daee38c271a5a82..9de7efb83ffc2d4ee27e3862e2d2aab566f5e65a 100644
--- a/tools/perf/util/evsel.h
+++ b/tools/perf/util/evsel.h
@@ -351,10 +351,10 @@ static inline bool evsel__is_clock(struct evsel *evsel)
 }
 
 bool evsel__fallback(struct evsel *evsel, int err, char *msg, size_t msgsize);
-int perf_evsel__open_strerror(struct evsel *evsel, struct target *target,
-			      int err, char *msg, size_t size);
+int evsel__open_strerror(struct evsel *evsel, struct target *target,
+			 int err, char *msg, size_t size);
 
-static inline int perf_evsel__group_idx(struct evsel *evsel)
+static inline int evsel__group_idx(struct evsel *evsel)
 {
 	return evsel->idx - evsel->leader->idx;
 }