linux-kernel - [tip: perf/urgent] perf symbols: Update the list of kernel idle symbols

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Message-ID: <158175611517.13786.8839319381383721802.tip-bot2@tip-bot2>
Date:   Sat, 15 Feb 2020 08:41:55 -0000
From:   "tip-bot2 for Kim Phillips" <tip-bot2@...utronix.de>
To:     linux-tip-commits@...r.kernel.org
Cc:     Kim Phillips <kim.phillips@....com>, Jiri Olsa <jolsa@...hat.com>,
        Song Liu <songliubraving@...com>,
        Alexander Shishkin <alexander.shishkin@...ux.intel.com>,
        Andi Kleen <ak@...ux.intel.com>,
        Cong Wang <xiyou.wangcong@...il.com>,
        Davidlohr Bueso <dave@...olabs.net>,
        Jin Yao <yao.jin@...ux.intel.com>,
        Kan Liang <kan.liang@...ux.intel.com>,
        Mark Rutland <mark.rutland@....com>,
        Namhyung Kim <namhyung@...nel.org>,
        Peter Zijlstra <peterz@...radead.org>,
        Arnaldo Carvalho de Melo <acme@...hat.com>,
        x86 <x86@...nel.org>, LKML <linux-kernel@...r.kernel.org>
Subject: [tip: perf/urgent] perf symbols: Update the list of kernel idle symbols

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

Commit-ID:     0e71459afcbbf69e92a65085c45515d3f3f02c31
Gitweb:        https://git.kernel.org/tip/0e71459afcbbf69e92a65085c45515d3f3f02c31
Author:        Kim Phillips <kim.phillips@....com>
AuthorDate:    Fri, 07 Feb 2020 17:06:12 -06:00
Committer:     Arnaldo Carvalho de Melo <acme@...hat.com>
CommitterDate: Mon, 10 Feb 2020 16:30:13 -03:00

perf symbols: Update the list of kernel idle symbols

The "acpi_idle_do_entry", "acpi_processor_ffh_cstate_enter", and
"idle_cpu" symbols appear in 'perf top' output, at least on AMD systems.

Add them to perf's idle_symbols list, so they don't dominate 'perf top'
output.

Signed-off-by: Kim Phillips <kim.phillips@....com>
Acked-by: Jiri Olsa <jolsa@...hat.com>
Acked-by: Song Liu <songliubraving@...com>
Cc: Alexander Shishkin <alexander.shishkin@...ux.intel.com>
Cc: Andi Kleen <ak@...ux.intel.com>
Cc: Cong Wang <xiyou.wangcong@...il.com>
Cc: Davidlohr Bueso <dave@...olabs.net>
Cc: Jin Yao <yao.jin@...ux.intel.com>
Cc: Kan Liang <kan.liang@...ux.intel.com>
Cc: Mark Rutland <mark.rutland@....com>
Cc: Namhyung Kim <namhyung@...nel.org>
Cc: Peter Zijlstra <peterz@...radead.org>
Link: http://lore.kernel.org/lkml/20200207230613.26709-2-kim.phillips@amd.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@...hat.com>
---
 tools/perf/util/symbol.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/tools/perf/util/symbol.c b/tools/perf/util/symbol.c
index 3b379b1..f3120c4 100644
--- a/tools/perf/util/symbol.c
+++ b/tools/perf/util/symbol.c
@@ -635,9 +635,12 @@ out:
 static bool symbol__is_idle(const char *name)
 {
 	const char * const idle_symbols[] = {
+		"acpi_idle_do_entry",
+		"acpi_processor_ffh_cstate_enter",
 		"arch_cpu_idle",
 		"cpu_idle",
 		"cpu_startup_entry",
+		"idle_cpu",
 		"intel_idle",
 		"default_idle",
 		"native_safe_halt",