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From:   Jiri Olsa <jolsa@redhat.com>
To:     Arnaldo Carvalho de Melo <acme@kernel.org>
Cc:     lkml <linux-kernel@vger.kernel.org>,
        Peter Zijlstra <a.p.zijlstra@chello.nl>,
        Ingo Molnar <mingo@kernel.org>,
        Mark Rutland <mark.rutland@arm.com>,
        Namhyung Kim <namhyung@kernel.org>,
        Alexander Shishkin <alexander.shishkin@linux.intel.com>,
        Michael Petlan <mpetlan@redhat.com>,
        Ian Rogers <irogers@google.com>, nakamura.shun@fujitsu.com,
        linux-perf-users@vger.kernel.org
Subject: [PATCH 4/7] libperf: Move nr_groups to evlist::nr_groups
Date:   Tue,  6 Jul 2021 17:17:01 +0200
Message-Id: <20210706151704.73662-5-jolsa@kernel.org>
In-Reply-To: <20210706151704.73662-1-jolsa@kernel.org>
References: <20210706151704.73662-1-jolsa@kernel.org>
MIME-Version: 1.0
Content-Transfer-Encoding: 8bit
Precedence: bulk

Moving evsel::nr_groups to perf_evsel::nr_groups, so we can move
the group interface to libperf.

Signed-off-by: Jiri Olsa <jolsa@kernel.org>
---
 tools/lib/perf/include/internal/evlist.h |  1 +
 tools/perf/builtin-record.c              |  2 +-
 tools/perf/builtin-report.c              |  2 +-
 tools/perf/tests/bpf.c                   |  2 +-
 tools/perf/tests/parse-events.c          | 22 +++++++++++-----------
 tools/perf/tests/pfm.c                   |  4 ++--
 tools/perf/util/evlist.c                 |  4 ++--
 tools/perf/util/evlist.h                 |  1 -
 tools/perf/util/header.c                 |  4 ++--
 tools/perf/util/parse-events.c           |  2 +-
 tools/perf/util/pfm.c                    |  2 +-
 11 files changed, 23 insertions(+), 23 deletions(-)

diff --git a/tools/lib/perf/include/internal/evlist.h b/tools/lib/perf/include/internal/evlist.h
index 212c29063ad4..f16fa9877d27 100644
--- a/tools/lib/perf/include/internal/evlist.h
+++ b/tools/lib/perf/include/internal/evlist.h
@@ -16,6 +16,7 @@ struct perf_mmap_param;
 struct perf_evlist {
 	struct list_head	 entries;
 	int			 nr_entries;
+	int			 nr_groups;
 	bool			 has_user_cpus;
 	struct perf_cpu_map	*cpus;
 	struct perf_cpu_map	*all_cpus;
diff --git a/tools/perf/builtin-record.c b/tools/perf/builtin-record.c
index 6a8cc191849f..ee2a5cacbdfc 100644
--- a/tools/perf/builtin-record.c
+++ b/tools/perf/builtin-record.c
@@ -1776,7 +1776,7 @@ static int __cmd_record(struct record *rec, int argc, const char **argv)
 		rec->tool.ordered_events = false;
 	}
 
-	if (!rec->evlist->nr_groups)
+	if (!rec->evlist->core.nr_groups)
 		perf_header__clear_feat(&session->header, HEADER_GROUP_DESC);
 
 	if (data->is_pipe) {
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index f45887eb0910..9a4d8e928f46 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -1426,7 +1426,7 @@ int cmd_report(int argc, const char **argv)
 
 	setup_forced_leader(&report, session->evlist);
 
-	if (symbol_conf.group_sort_idx && !session->evlist->nr_groups) {
+	if (symbol_conf.group_sort_idx && !session->evlist->core.nr_groups) {
 		parse_options_usage(NULL, options, "group-sort-idx", 0);
 		ret = -EINVAL;
 		goto error;
diff --git a/tools/perf/tests/bpf.c b/tools/perf/tests/bpf.c
index c72adbd67386..33bda9c26542 100644
--- a/tools/perf/tests/bpf.c
+++ b/tools/perf/tests/bpf.c
@@ -151,7 +151,7 @@ static int do_test(struct bpf_object *obj, int (*func)(void),
 	}
 
 	evlist__splice_list_tail(evlist, &parse_state.list);
-	evlist->nr_groups = parse_state.nr_groups;
+	evlist->core.nr_groups = parse_state.nr_groups;
 
 	evlist__config(evlist, &opts, NULL);
 
diff --git a/tools/perf/tests/parse-events.c b/tools/perf/tests/parse-events.c
index a28688b054f5..56a7b6a14195 100644
--- a/tools/perf/tests/parse-events.c
+++ b/tools/perf/tests/parse-events.c
@@ -49,7 +49,7 @@ static int test__checkevent_tracepoint(struct evlist *evlist)
 	struct evsel *evsel = evlist__first(evlist);
 
 	TEST_ASSERT_VAL("wrong number of entries", 1 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->core.nr_groups);
 	TEST_ASSERT_VAL("wrong type", PERF_TYPE_TRACEPOINT == evsel->core.attr.type);
 	TEST_ASSERT_VAL("wrong sample_type",
 		PERF_TP_SAMPLE_TYPE == evsel->core.attr.sample_type);
@@ -62,7 +62,7 @@ static int test__checkevent_tracepoint_multi(struct evlist *evlist)
 	struct evsel *evsel;
 
 	TEST_ASSERT_VAL("wrong number of entries", evlist->core.nr_entries > 1);
-	TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 0 == evlist->core.nr_groups);
 
 	evlist__for_each_entry(evlist, evsel) {
 		TEST_ASSERT_VAL("wrong type",
@@ -668,7 +668,7 @@ static int test__group1(struct evlist *evlist)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* instructions:k */
 	evsel = leader = evlist__first(evlist);
@@ -710,7 +710,7 @@ static int test__group2(struct evlist *evlist)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 3 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* faults + :ku modifier */
 	evsel = leader = evlist__first(evlist);
@@ -765,7 +765,7 @@ static int test__group3(struct evlist *evlist __maybe_unused)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->core.nr_groups);
 
 	/* group1 syscalls:sys_enter_openat:H */
 	evsel = leader = evlist__first(evlist);
@@ -857,7 +857,7 @@ static int test__group4(struct evlist *evlist __maybe_unused)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* cycles:u + p */
 	evsel = leader = evlist__first(evlist);
@@ -901,7 +901,7 @@ static int test__group5(struct evlist *evlist __maybe_unused)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 5 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 2 == evlist->core.nr_groups);
 
 	/* cycles + G */
 	evsel = leader = evlist__first(evlist);
@@ -987,7 +987,7 @@ static int test__group_gh1(struct evlist *evlist)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* cycles + :H group modifier */
 	evsel = leader = evlist__first(evlist);
@@ -1027,7 +1027,7 @@ static int test__group_gh2(struct evlist *evlist)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* cycles + :G group modifier */
 	evsel = leader = evlist__first(evlist);
@@ -1067,7 +1067,7 @@ static int test__group_gh3(struct evlist *evlist)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* cycles:G + :u group modifier */
 	evsel = leader = evlist__first(evlist);
@@ -1107,7 +1107,7 @@ static int test__group_gh4(struct evlist *evlist)
 	struct evsel *evsel, *leader;
 
 	TEST_ASSERT_VAL("wrong number of entries", 2 == evlist->core.nr_entries);
-	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->nr_groups);
+	TEST_ASSERT_VAL("wrong number of groups", 1 == evlist->core.nr_groups);
 
 	/* cycles:G + :uG group modifier */
 	evsel = leader = evlist__first(evlist);
diff --git a/tools/perf/tests/pfm.c b/tools/perf/tests/pfm.c
index acd50944f6af..e8fd0da0762b 100644
--- a/tools/perf/tests/pfm.c
+++ b/tools/perf/tests/pfm.c
@@ -96,7 +96,7 @@ static int test__pfm_events(void)
 				count_pfm_events(&evlist->core),
 				table[i].nr_events);
 		TEST_ASSERT_EQUAL(table[i].events,
-				evlist->nr_groups,
+				evlist->core.nr_groups,
 				0);
 
 		evlist__delete(evlist);
@@ -180,7 +180,7 @@ static int test__pfm_group(void)
 				count_pfm_events(&evlist->core),
 				table[i].nr_events);
 		TEST_ASSERT_EQUAL(table[i].events,
-				evlist->nr_groups,
+				evlist->core.nr_groups,
 				table[i].nr_groups);
 
 		evlist__delete(evlist);
diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index 9cb663882273..752f64afd622 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -240,7 +240,7 @@ void __evlist__set_leader(struct list_head *list)
 void evlist__set_leader(struct evlist *evlist)
 {
 	if (evlist->core.nr_entries) {
-		evlist->nr_groups = evlist->core.nr_entries > 1 ? 1 : 0;
+		evlist->core.nr_groups = evlist->core.nr_entries > 1 ? 1 : 0;
 		__evlist__set_leader(&evlist->core.entries);
 	}
 }
@@ -1748,7 +1748,7 @@ bool evlist__exclude_kernel(struct evlist *evlist)
  */
 void evlist__force_leader(struct evlist *evlist)
 {
-	if (!evlist->nr_groups) {
+	if (!evlist->core.nr_groups) {
 		struct evsel *leader = evlist__first(evlist);
 
 		evlist__set_leader(evlist);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index 2073cfa79f79..cb2bf5f4866a 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -50,7 +50,6 @@ enum bkw_mmap_state {
 
 struct evlist {
 	struct perf_evlist core;
-	int		 nr_groups;
 	bool		 enabled;
 	int		 id_pos;
 	int		 is_pos;
diff --git a/tools/perf/util/header.c b/tools/perf/util/header.c
index a1056540c13b..44249027507a 100644
--- a/tools/perf/util/header.c
+++ b/tools/perf/util/header.c
@@ -778,7 +778,7 @@ static int write_pmu_mappings(struct feat_fd *ff,
 static int write_group_desc(struct feat_fd *ff,
 			    struct evlist *evlist)
 {
-	u32 nr_groups = evlist->nr_groups;
+	u32 nr_groups = evlist->core.nr_groups;
 	struct evsel *evsel;
 	int ret;
 
@@ -2735,7 +2735,7 @@ static int process_group_desc(struct feat_fd *ff, void *data __maybe_unused)
 	 * Rebuild group relationship based on the group_desc
 	 */
 	session = container_of(ff->ph, struct perf_session, header);
-	session->evlist->nr_groups = nr_groups;
+	session->evlist->core.nr_groups = nr_groups;
 
 	i = nr = 0;
 	evlist__for_each_entry(session->evlist, evsel) {
diff --git a/tools/perf/util/parse-events.c b/tools/perf/util/parse-events.c
index 6fb1830097cb..f6d77cb44007 100644
--- a/tools/perf/util/parse-events.c
+++ b/tools/perf/util/parse-events.c
@@ -2285,7 +2285,7 @@ int __parse_events(struct evlist *evlist, const char *str,
 	if (!ret) {
 		struct evsel *last;
 
-		evlist->nr_groups += parse_state.nr_groups;
+		evlist->core.nr_groups += parse_state.nr_groups;
 		last = evlist__last(evlist);
 		last->cmdline_group_boundary = true;
 
diff --git a/tools/perf/util/pfm.c b/tools/perf/util/pfm.c
index 6eef6dfeaa57..dd9ed56e0504 100644
--- a/tools/perf/util/pfm.c
+++ b/tools/perf/util/pfm.c
@@ -110,7 +110,7 @@ int parse_libpfm_events_option(const struct option *opt, const char *str,
 				   "cannot close a non-existing event group\n");
 				goto error;
 			}
-			evlist->nr_groups++;
+			evlist->core.nr_groups++;
 			grp_leader = NULL;
 			grp_evt = -1;
 		}
-- 
2.31.1