From nobody Sun Feb 8 07:08:02 2026 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.16]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 50CD413C3F2; Tue, 16 Dec 2025 01:42:48 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.16 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765849371; cv=none; b=GfTci0XmnknjAsmkKtnm8iJo+6Y87L1WpwxQsYCBNW+HqN8IHyqFcFLDXN/7+o77vZDXXrB+BzFbDDGcLsRfdRt00x0xYyJ4PJW3i1QRggtBTtqU+gPlQQVXlYYPTgut3rByW3dHi8seU1Q4HU0U7lOJHNOiiOPf8/ESSkI0c2U= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1765849371; c=relaxed/simple; bh=+wI/maUGiiwwz81QpyvTJ+eJ/2U0A+v++rAocI1k0BA=; h=From:To:Cc:Subject:Date:Message-Id:MIME-Version; b=Oa5fIu4UcsqnLJ59SOkfSEzPEG9N3qV1D9tEMT8SWp9IN8/Ow+Tc19m6xhVhC/YiyPuV2n7PG3bAr41PjAiqbtjWBz+wwvhQWhwT5h8BLHPpWeJhO5jGYShpFOVmITLZGra9AOEEehgQKNKhtS70hYG4nVY5G58omHAoYvJyUQE= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com; spf=pass smtp.mailfrom=linux.intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=ksAHmGc9; arc=none smtp.client-ip=192.198.163.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linux.intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="ksAHmGc9" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1765849369; x=1797385369; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=+wI/maUGiiwwz81QpyvTJ+eJ/2U0A+v++rAocI1k0BA=; b=ksAHmGc9OletAQ8UIfBt/nBBvB3KJ8FuAVjYZzCyJ9S2u8PTU/8wMW75 va9ztJWD+7EUyoY7TrKvCBGeslD3FgrkATtrKzlYsbApkAzAQlXd8peq5 pUPjMk+kZNJykR2MJJ2iVeoxUxbv41lJUnSj1nnZJKlPvXwAeDhdQZfr1 zwmpA+i4GK5fBtlC91k99nwfPsKZ9AUCCE6Z250TShNJVBi8XvdgVAgWL oPM5DmJ/DYFBUYsD6iaXz1DyBzWvUWQa4AugMXMT/USEs9DdKtrU3s9Ox cWBiQmHxp+URsseXZ5SSdVVqNhAOM1tGLB6raq37jUvsgxXSSuFWM6o2s A==; X-CSE-ConnectionGUID: fvqAWf6LQYWccnPUbsRM6Q== X-CSE-MsgGUID: U2vfu03jRRSS2C+VbF/ENg== X-IronPort-AV: E=McAfee;i="6800,10657,11643"; a="55327346" X-IronPort-AV: E=Sophos;i="6.21,152,1763452800"; d="scan'208";a="55327346" Received: from orviesa005.jf.intel.com ([10.64.159.145]) by fmvoesa110.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 15 Dec 2025 17:42:44 -0800 X-CSE-ConnectionGUID: HaYJsbM/RTez8ofooBEdbQ== X-CSE-MsgGUID: XDLOFB1ARuenIwkAOH1xvw== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.21,152,1763452800"; d="scan'208";a="202989049" Received: from spr.sh.intel.com ([10.112.229.196]) by orviesa005.jf.intel.com with ESMTP; 15 Dec 2025 17:42:40 -0800 From: Dapeng Mi To: Peter Zijlstra , Ingo Molnar , Arnaldo Carvalho de Melo , Namhyung Kim , Ian Rogers , Adrian Hunter , Alexander Shishkin Cc: linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org, Zide Chen , Falcon Thomas , Dapeng Mi , Xudong Hao , Dapeng Mi , stable@vger.kernel.org Subject: [PATCH] perf Documentation: Correct branch stack sampling call-stack option Date: Tue, 16 Dec 2025 09:39:49 +0800 Message-Id: <20251216013949.1557008-1-dapeng1.mi@linux.intel.com> X-Mailer: git-send-email 2.34.1 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" The correct call-stack option for branch stack sampling should be "stack" instead of "call_stack". Correct it. $perf record -e instructions -j call_stack -- sleep 1 unknown branch filter call_stack, check man page Usage: perf record [] [] or: perf record [] -- [] -j, --branch-filter branch stack filter modes Cc: stable@vger.kernel.org Fixes: 955f6def5590 ("perf record: Add remaining branch filters: "no_cycles= ", "no_flags" & "hw_index"") Signed-off-by: Dapeng Mi Reviewed-by: Namhyung Kim --- tools/perf/Documentation/perf-record.txt | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/perf/Documentation/perf-record.txt b/tools/perf/Document= ation/perf-record.txt index e8b9aadbbfa5..3d19e77c9c53 100644 --- a/tools/perf/Documentation/perf-record.txt +++ b/tools/perf/Documentation/perf-record.txt @@ -454,7 +454,7 @@ following filters are defined: - no_tx: only when the target is not in a hardware transaction - abort_tx: only when the target is a hardware transaction abort - cond: conditional branches - - call_stack: save call stack + - stack: save call stack - no_flags: don't save branch flags e.g prediction, misprediction etc - no_cycles: don't save branch cycles - hw_index: save branch hardware index base-commit: cb015814f8b6eebcbb8e46e111d108892c5e6821 --=20 2.34.1