From nobody Tue Dec 2 02:05:07 2025 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 1F779311C16 for ; Thu, 20 Nov 2025 23:26:37 +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=1763681197; cv=none; b=XUuVu6xOANSEg9RUmaiwcThL0CpC+Dsi2mmWrSWY+EFbZDpgKZMvtH99QFH2DPMLGUrfn8TFBEjzfV8yAU4mNWC6umWGgVMRMiOqhgPZRZZKiUUyo0GqjlCEcm5+l5aLNG6wFMc2VyQDku2KXcfc+1DuWAdUjWBGuvy5s5Xvyuw= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1763681197; c=relaxed/simple; bh=Tk+bmWNTvGL3KGPdeJJ62EH4IG2N1NKJfOjZqDPR7xY=; h=Message-ID:Date:From:To:Cc:Subject:References:MIME-Version: Content-Type; b=Fr5hhk7Kp5I0aDZRbBvWMAJwyxEPn3IlJSORBdYrUyGsLBhOZi/izMSpSuDVng5QOJ+FRIgkJqD7FpPnqbbNH5DpGEm8uYN2uui0MH+LPH3erGEBRSscYCI1SadtfF/4dt+EvsTsR7cSFPBj4hEoCqfb8O1LzOAslumSrwaju0k= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=msmKhA/a; 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="msmKhA/a" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 02324C19422; Thu, 20 Nov 2025 23:26:37 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1763681197; bh=Tk+bmWNTvGL3KGPdeJJ62EH4IG2N1NKJfOjZqDPR7xY=; h=Date:From:To:Cc:Subject:References:From; b=msmKhA/aa+h9MgXfPigvKSBXXfVqyhUEj7ipNtf6naHKarSMeBWdK20/xg9H5Wkfc gfxDutMjNYf/FBVHYuJDZRdsb+MP9QsbOxJD85YamUW96rdbkj1lR8eRqbsTN+PgqJ t3Lvi1RJnfjT3QhvQTc5DUxCzI+xHGTB3XptJqltjwhvZbcOr3wKXZBF1KZS8R3dPM HxnTxdvRwvQHzduX4wbgxxGjDez+pPT1K+bd+Ma5tTD4k6Y5eVDim2olat+QYvs37L tj+mFjVLDG2OS5OHIVDhR5Jwj1uOsPs7RVMysDRSG7uiikhD7+BxTShy/PLMJQD8CA Ki7QGhtAfmOvQ== Received: from rostedt by gandalf with local (Exim 4.98.2) (envelope-from ) id 1vME3S-000000041yC-0PEV; Thu, 20 Nov 2025 18:27:10 -0500 Message-ID: <20251120232709.950942020@kernel.org> User-Agent: quilt/0.68 Date: Thu, 20 Nov 2025 18:23:39 -0500 From: Steven Rostedt To: linux-kernel@vger.kernel.org Cc: Tomas Glozar , John Kacur , Crystal Wood Subject: [for-next][PATCH 16/16] rtla/timerlat: Exit top main loop on any non-zero wait_retval References: <20251120232323.271532418@kernel.org> 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" From: Crystal Wood Comparing to exactly 1 will fail if more than one ring buffer event was seen since the last call to timerlat_bpf_wait(), which can happen in some race scenarios. Signed-off-by: Crystal Wood Link: https://lore.kernel.org/r/20251112152529.956778-5-crwood@redhat.com Signed-off-by: Tomas Glozar --- tools/tracing/rtla/src/timerlat_top.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/tools/tracing/rtla/src/timerlat_top.c b/tools/tracing/rtla/src= /timerlat_top.c index fec113ce370e..29c2c1f717ed 100644 --- a/tools/tracing/rtla/src/timerlat_top.c +++ b/tools/tracing/rtla/src/timerlat_top.c @@ -878,7 +878,7 @@ timerlat_top_bpf_main_loop(struct osnoise_tool *tool) if (!params->common.quiet) timerlat_print_stats(tool); =20 - if (wait_retval =3D=3D 1) { + if (wait_retval !=3D 0) { /* Stopping requested by tracer */ actions_perform(¶ms->common.threshold_actions); =20 --=20 2.51.0