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 6E43D25A32E; Fri, 11 Apr 2025 18:23:04 +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=1744395784; cv=none; b=GuoSibJMyXDxh1PFlP4HSEtHJGRcDcdc2QcoO6dyRFG0Ra655xQ1N+RmClyq/rCCxiKXkCKUlcCTMsViAmWatGOCWLTc2jUhzv7/sGqOGI3oFPP555/oDxAGXPsroOfcRSIWNykzNN8j7YfSRB/xPwnVeZZ7VxZ75wnEoHkUGnY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1744395784; c=relaxed/simple; bh=vSkNkAc8pgn9J8PbBDKIic5ELkhfNhanohfnaa3s6UI=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=Lf16KJq+CsS3EOgke1/rocEAYJNDYuhIC7g2lE0MffRORnrB7D0YRB2ur0kxheEE48eNiRVdPA2wX42K5T7bmIXgsCQuer4dmS50ccublb3weYxTbsecP5PvUNKPRyWawXZMQeMqVPEthYJmyGmegD1dyGYi9WambA3tQtcOrQA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 Received: by smtp.kernel.org (Postfix) with ESMTPSA id 8AC76C4CEE9; Fri, 11 Apr 2025 18:23:02 +0000 (UTC) Date: Fri, 11 Apr 2025 14:24:27 -0400 From: Steven Rostedt To: Mark Brown Cc: linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org, bpf@vger.kernel.org, Masami Hiramatsu , Mark Rutland , Mathieu Desnoyers , Andrew Morton , Sven Schnelle , Paul Walmsley , Palmer Dabbelt , Albert Ou , Guo Ren , Donglin Peng , Zheng Yejian , Aishwarya.TCV@arm.com Subject: Re: [PATCH v4 2/4] ftrace: Add support for function argument to graph tracer Message-ID: <20250411142427.3abfb3c3@gandalf.local.home> In-Reply-To: <9dafc156-1272-4039-a9c0-3448a1bd6d1f@sirena.org.uk> References: <20250227185804.639525399@goodmis.org> <20250227185822.810321199@goodmis.org> <20250410131745.04c126eb@gandalf.local.home> <20250411124552.36564a07@gandalf.local.home> <2edc0ba8-2f45-40dc-86d9-5ab7cea8938c@sirena.org.uk> <20250411131254.3e6155ea@gandalf.local.home> <350786cc-9e40-4396-ab95-4f10d69122fb@sirena.org.uk> <9dafc156-1272-4039-a9c0-3448a1bd6d1f@sirena.org.uk> X-Mailer: Claws Mail 3.20.0git84 (GTK+ 2.24.33; x86_64-pc-linux-gnu) Precedence: bulk X-Mailing-List: linux-trace-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Fri, 11 Apr 2025 19:16:29 +0100 Mark Brown wrote: > > which smells a bit of a shell incompatibility issue. I'll try to find > > time to have a look. > > Yeah, if I bodge ftracetest to be a bash script then the test runs fine > so it'll be a bashism. We're running the tests in a Debian rootfs so > /bin/sh will be dash. Interesting, as one of the ftracetests checks for bashisms: test.d/selftest/bashisms.tc Did it not catch something? -- Steve