From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 F3A0A2ECD1A; Sat, 13 Sep 2025 14:35:02 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757774103; cv=none; b=jQs8WyP7BR9krPmNR3Li8HHf9IL/pQzd9GNn+GJGIPmgOHtVrkZOjSkrW4rmCQfwKlyy1R/qAj8Ag3JVdWy+ypLN0X7grzqDUrtupc8KejZD7SMEzeKDFtzsHaGC12b0q85hZyBMIwyWyeoRJIhuzgx7dvDCQNDoLcXpMmnb0J4= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1757774103; c=relaxed/simple; bh=mUNm4okNp29XKgDWmmCQhXnA0JTa73TiDnxRLFhXz5g=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=R44PlsY32bRncsRDxjyWIOohDVYEfg7lsqenDKg/cULhgz05CjguJi9hGbZa4G1aZmhd8Rduy6GohmPygqz/0jynRO2vve0KQsurPayf4ftkCO3bPtvZdOniNx3Ssom1MJgCj4HCa/Ydr4qUNuWkIrdcpHz1gseYfA1MQsPFIe4= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=LvdJtFz4; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="LvdJtFz4" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F322BC4CEEB; Sat, 13 Sep 2025 14:35:01 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1757774102; bh=mUNm4okNp29XKgDWmmCQhXnA0JTa73TiDnxRLFhXz5g=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=LvdJtFz48otkJeBu8uxmpzP4p/NGG9PDh6YaqfPobqxLQmrrm7TuhfpOu7ThB0Hph a2OIZs3RJ+rEt+ZsLiJH2fZapLE5SAIOXLE9VKW+bMhQw6SZry9pHTnKoJno+b1t8B 9EYbr4vHwBjgwP8WEjLonFIo1zltie7ApDyOJ7qWri0P6t9afLcHyeZOvRMTRTc15n wwGlrYFn//FcoT4qf3gQgXoAqmZV/oS6ppayJgZbJHadUV5jjiYylbKOvtjEy0G82O pCXYj2aupyNarpdDA64VWJKsuzS1SyMxU8hl4bH2WtPUWd57iNECb0s9HnOPyb8E13 kLEcaVw67G7EQ== Date: Sat, 13 Sep 2025 11:34:59 -0300 From: Arnaldo Carvalho de Melo To: Namhyung Kim Cc: Zecheng Li , Peter Zijlstra , Ingo Molnar , Mark Rutland , Alexander Shishkin , Jiri Olsa , Ian Rogers , Adrian Hunter , "Liang, Kan" , Masami Hiramatsu , Xu Liu , linux-perf-users@vger.kernel.org, linux-kernel@vger.kernel.org Subject: Re: [PATCH v2 01/10] perf dwarf-aux: Use signed variable types in match_var_offset Message-ID: References: <20250825195412.223077-1-zecheng@google.com> <20250825195412.223077-2-zecheng@google.com> Precedence: bulk X-Mailing-List: linux-perf-users@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: On Fri, Sep 05, 2025 at 12:50:30PM -0700, Namhyung Kim wrote: > On Wed, Sep 03, 2025 at 07:05:23PM -0300, Arnaldo Carvalho de Melo wrote: > > On Wed, Sep 03, 2025 at 12:49:49PM -0300, Arnaldo Carvalho de Melo wrote: > > > On Wed, Aug 27, 2025 at 11:52:02PM -0700, Namhyung Kim wrote: > > > > On Mon, Aug 25, 2025 at 07:54:03PM +0000, Zecheng Li wrote: > > > > > Change the signature of match_var_offset to use signed types (s64). This > > > > > ensures correct behavior when addr_offset or addr_type are negative. > > > > > Signed-off-by: Zecheng Li > > > > I've confirmed it produced slightly better results on my test sets. > > > > Reviewed-by: Namhyung Kim > > > Cherry picked this first patch to make a bit of progress in the > > > perf-tools-next front. > > It is in perf-tools-next/perf-tools-next now (this first reviewed one): > > https://web.git.kernel.org/pub/scm/linux/kernel/git/perf/perf-tools-next.git/log/?h=perf-tools-next > Thanks for doing that. Please pick up the patch 2 and 3 as well. Done. - Arnaldo