From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-alma10-1.taild15c8.ts.net [100.103.45.18]) (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 98C1F390C94; Fri, 21 Aug 2026 23:30:15 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=100.103.45.18 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787355016; cv=none; b=fDHrvzpHx4nUCKId2nUewO7Vr1nEL9WDS9FFl4YiFdWYG9kBJNYEKvqXz/+IEiw7iTLJqCxPpY5rW9fvTbX8iZMOxAMFqtPOmctqVroQhBHDN7rf5k1mbTImL6swwfEr5wQLm3aclPrte2T00sd3Y6/LoH+mTYnR4AqkI2fU3t8= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1787355016; c=relaxed/simple; bh=tic/eCG29DwfwVGbWxAuRBOrKemDF71lhWCK6+t3UbA=; h=Message-ID:Date:From:To:Cc:Subject; b=kgHyUpBNy6IPk67DOFBtrMK+zlJMJKEXgAkuzIoxyARWrP4ALeTReoodg5TgmJ4ov58P7BsC7GOZpdq39KzXEMn4SicUT+Cr55/4O+oEyNiBlHRhv63YDSo031EH/ayGHb6Vk8W8JORgEn2s0Ixi0r3IbcQ7lUhbblH1lfR93Vw= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=i575Ts/+; arc=none smtp.client-ip=100.103.45.18 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="i575Ts/+" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 4E4941F00A3A; Fri, 21 Aug 2026 23:30:15 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=kernel.org; s=k20260515; t=1787355015; bh=aTLLnedvrxWkk6BZVlEE6rO7y4yaYjbcD+kaduCb7WM=; h=Date:From:To:Cc:Subject; b=i575Ts/+g05oA0P7BLSpkwkxMIS/C9cI9fApuW6hDZ7I2gQ81fdDMQzHIOQgGBwE1 RfpAK+JU2Nqz12EuaMzsRHt09fjwEPDnEkyvs5LCiqjMXnPKQC2ax2MJDQxcfOslfB d2SyL1yh9jGK9cD494aIgUK0kSIpqzeblGPrAsl+tHvo6DSl4hvTaHBSo1to5yQ7SU Kab1bmg8qJWhZYR1Hy2y8rLniQkbDOqSEN5uglxMaVs0J++0PWXEsxQ4SIy2AqHVpG 2s2OWUo+nmcjUlXacJVhvxf+3iVZxFLVCfhgKDN8GDmmuKO7dGO13nVxURg3Keu463 Ub9y4G2iuB/SQ== Received: from rostedt by gandalf with local (Exim 4.99.4) (envelope-from ) id 1wxYhG-00000005riq-1Iz9; Fri, 21 Aug 2026 19:30:50 -0400 Message-ID: <20260821232820.717143516@kernel.org> User-Agent: quilt/0.69 Date: Fri, 21 Aug 2026 19:28:20 -0400 From: Steven Rostedt To: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Cc: Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Chen Jun Subject: [PATCH v2 0/2] tracing: Add 'within' filter logic Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: Add a "within" filter predicate that tests whether a given function appears in the current call stack at event time. The function name is resolved to its address range via kallsyms during filter setup; at runtime, stack_trace_save() captures the call stack and compares each return address against the stored range. Changes since v1: https://lore.kernel.org/linux-trace-kernel/20260608145556.94931-1-chenjun102@huawei.com - Added patch to show error message Chen Jun (1): tracing: Add "within" filter for call-stack-based event filtering Steven Rostedt (1): tracnig: Add proper error message for glob use with "within" filter ---- Documentation/trace/events.rst | 12 +++++++++++ include/linux/trace_events.h | 1 + kernel/trace/trace.h | 3 ++- kernel/trace/trace_events.c | 3 +++ kernel/trace/trace_events_filter.c | 44 ++++++++++++++++++++++++++++++++++++-- 5 files changed, 60 insertions(+), 3 deletions(-)