[tip: perf/urgent] perf symbols: Convert symbol__is_idle() to use strlist - tip-bot2 for Kim Phillips

From: "tip-bot2 for Kim Phillips" <tip-bot2@linutronix.de>
To: linux-tip-commits@vger.kernel.org
Cc: Kim Phillips <kim.phillips@amd.com>,
	Song Liu <songliubraving@fb.com>,
	Arnaldo Carvalho de Melo <acme@redhat.com>,
	Alexander Shishkin <alexander.shishkin@linux.intel.com>,
	Andi Kleen <ak@linux.intel.com>,
	Cong Wang <xiyou.wangcong@gmail.com>,
	Davidlohr Bueso <dave@stgolabs.net>,
	Jin Yao <yao.jin@linux.intel.com>, Jiri Olsa <jolsa@redhat.com>,
	Kan Liang <kan.liang@linux.intel.com>,
	Mark Rutland <mark.rutland@arm.com>,
	Namhyung Kim <namhyung@kernel.org>,
	Peter Zijlstra <peterz@infradead.org>, x86 <x86@kernel.org>,
	LKML <linux-kernel@vger.kernel.org>
Subject: [tip: perf/urgent] perf symbols: Convert symbol__is_idle() to use strlist
Date: Sat, 15 Feb 2020 08:41:54 -0000	[thread overview]
Message-ID: <158175611459.13786.11186292336771135984.tip-bot2@tip-bot2> (raw)
In-Reply-To: <20200210163147.25358-1-kim.phillips@amd.com>

The following commit has been merged into the perf/urgent branch of tip:

Commit-ID:     bc5f15be2c814ca1ff6bb4e62d5b275a8c88cbb1
Gitweb:        https://git.kernel.org/tip/bc5f15be2c814ca1ff6bb4e62d5b275a8c88cbb1
Author:        Kim Phillips <kim.phillips@amd.com>
AuthorDate:    Mon, 10 Feb 2020 10:31:47 -06:00
Committer:     Arnaldo Carvalho de Melo <acme@redhat.com>
CommitterDate: Mon, 10 Feb 2020 16:30:51 -03:00

perf symbols: Convert symbol__is_idle() to use strlist

Use the more optimized strlist implementation to do the idle function
lookup.

Signed-off-by: Kim Phillips <kim.phillips@amd.com>
Acked-by: Song Liu <songliubraving@fb.com>
Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Andi Kleen <ak@linux.intel.com>
Cc: Cong Wang <xiyou.wangcong@gmail.com>
Cc: Davidlohr Bueso <dave@stgolabs.net>
Cc: Jin Yao <yao.jin@linux.intel.com>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Kan Liang <kan.liang@linux.intel.com>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20200210163147.25358-1-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
---
 tools/perf/util/symbol.c | 14 +++++++++-----
 1 file changed, 9 insertions(+), 5 deletions(-)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index f3120c4..1077013 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -654,13 +654,17 @@ static bool symbol__is_idle(const char *name)
 		NULL
 	};
 	int i;
+	static struct strlist *idle_symbols_list;
 
-	for (i = 0; idle_symbols[i]; i++) {
-		if (!strcmp(idle_symbols[i], name))
-			return true;
-	}
+	if (idle_symbols_list)
+		return strlist__has_entry(idle_symbols_list, name);
 
-	return false;
+	idle_symbols_list = strlist__new(NULL, NULL);
+
+	for (i = 0; idle_symbols[i]; i++)
+		strlist__add(idle_symbols_list, idle_symbols[i]);
+
+	return strlist__has_entry(idle_symbols_list, name);
 }
 
 static int map__process_kallsym_symbol(void *arg, const char *name,
