linux-kernel - [PATCH] perf: event: Remove deadcode

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Message-ID: <20241103142302.230370-1-linux@treblig.org>
Date: Sun,  3 Nov 2024 14:23:01 +0000
From: linux@...blig.org
To: peterz@...radead.org,
	mingo@...hat.com,
	acme@...nel.org,
	namhyung@...nel.org,
	mark.rutland@....com,
	alexander.shishkin@...ux.intel.com,
	jolsa@...nel.org,
	irogers@...gle.com,
	adrian.hunter@...el.com,
	kan.liang@...ux.intel.com
Cc: linux-perf-users@...r.kernel.org,
	linux-kernel@...r.kernel.org,
	"Dr. David Alan Gilbert" <linux@...blig.org>
Subject: [PATCH] perf: event: Remove deadcode

From: "Dr. David Alan Gilbert" <linux@...blig.org>

event_format__print() last use was removed by 2017's
commit 894f3f1732cb ("perf script: Use event_format__fprintf()")

evlist__find_tracepoint_by_id() last use was removed by 2012's
commit e60fc847cefa ("perf evlist: Remove some unused methods")

evlist__set_tp_filter_pid() last use was removed by 2017's
commit dd1a50377c92 ("perf trace: Introduce filter_loop_pids()")

Remove them.

Signed-off-by: Dr. David Alan Gilbert <linux@...blig.org>
---
 tools/perf/util/evlist.c            | 18 ------------------
 tools/perf/util/evlist.h            |  2 --
 tools/perf/util/trace-event-parse.c |  6 ------
 tools/perf/util/trace-event.h       |  3 ---
 4 files changed, 29 deletions(-)

diff --git a/tools/perf/util/evlist.c b/tools/perf/util/evlist.c
index f14b7e6ff1dc..4b992a3f2985 100644
--- a/tools/perf/util/evlist.c
+++ b/tools/perf/util/evlist.c
@@ -362,19 +362,6 @@ __weak int arch_evlist__add_default_attrs(struct evlist *evlist,
 	return __evlist__add_default_attrs(evlist, attrs, nr_attrs);
 }
 
-struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id)
-{
-	struct evsel *evsel;
-
-	evlist__for_each_entry(evlist, evsel) {
-		if (evsel->core.attr.type   == PERF_TYPE_TRACEPOINT &&
-		    (int)evsel->core.attr.config == id)
-			return evsel;
-	}
-
-	return NULL;
-}
-
 struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name)
 {
 	struct evsel *evsel;
@@ -1199,11 +1186,6 @@ int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids)
 	return ret;
 }
 
-int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid)
-{
-	return evlist__set_tp_filter_pids(evlist, 1, &pid);
-}
-
 int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids)
 {
 	char *filter = asprintf__tp_filter_pids(npids, pids);
diff --git a/tools/perf/util/evlist.h b/tools/perf/util/evlist.h
index bcc1c6984bb5..ff73908e2178 100644
--- a/tools/perf/util/evlist.h
+++ b/tools/perf/util/evlist.h
@@ -144,7 +144,6 @@ int __evlist__set_tracepoints_handlers(struct evlist *evlist,
 	__evlist__set_tracepoints_handlers(evlist, array, ARRAY_SIZE(array))
 
 int evlist__set_tp_filter(struct evlist *evlist, const char *filter);
-int evlist__set_tp_filter_pid(struct evlist *evlist, pid_t pid);
 int evlist__set_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
 
 int evlist__append_tp_filter(struct evlist *evlist, const char *filter);
@@ -152,7 +151,6 @@ int evlist__append_tp_filter(struct evlist *evlist, const char *filter);
 int evlist__append_tp_filter_pid(struct evlist *evlist, pid_t pid);
 int evlist__append_tp_filter_pids(struct evlist *evlist, size_t npids, pid_t *pids);
 
-struct evsel *evlist__find_tracepoint_by_id(struct evlist *evlist, int id);
 struct evsel *evlist__find_tracepoint_by_name(struct evlist *evlist, const char *name);
 
 int evlist__add_pollfd(struct evlist *evlist, int fd);
diff --git a/tools/perf/util/trace-event-parse.c b/tools/perf/util/trace-event-parse.c
index f0332bd3a501..d97830cdbd7e 100644
--- a/tools/perf/util/trace-event-parse.c
+++ b/tools/perf/util/trace-event-parse.c
@@ -116,12 +116,6 @@ void event_format__fprintf(struct tep_event *event,
 	trace_seq_destroy(&s);
 }
 
-void event_format__print(struct tep_event *event,
-			 int cpu, void *data, int size)
-{
-	return event_format__fprintf(event, cpu, data, size, stdout);
-}
-
 /*
  * prev_state is of size long, which is 32 bits on 32 bit architectures.
  * As it needs to have the same bits for both 32 bit and 64 bit architectures
diff --git a/tools/perf/util/trace-event.h b/tools/perf/util/trace-event.h
index bbf8b26bc8da..0e5133f1b910 100644
--- a/tools/perf/util/trace-event.h
+++ b/tools/perf/util/trace-event.h
@@ -42,9 +42,6 @@ struct tep_event *trace_event__tp_format_id(int id);
 void event_format__fprintf(struct tep_event *event,
 			   int cpu, void *data, int size, FILE *fp);
 
-void event_format__print(struct tep_event *event,
-			 int cpu, void *data, int size);
-
 int parse_ftrace_file(struct tep_handle *pevent, char *buf, unsigned long size);
 int parse_event_file(struct tep_handle *pevent,
 		     char *buf, unsigned long size, char *sys);
-- 
2.47.0