From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from relay.hostedemail.com (smtprelay0016.hostedemail.com [216.40.44.16]) (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 4F0B3223710; Thu, 16 Oct 2025 21:11:55 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=216.40.44.16 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760649118; cv=none; b=epnhiAOdXkS5P+X/BJe1PP7ueAFkOkl4UDl6pxYc99GtKpP8jqzzeJanEAt5AmSXJkqul/l5QjSb0WoROVBIu3VZS7kV1VYEApGUC4EDI8WI62rV+/jm9t7WuZzwbuT7RZlduhaKmnfSWlFvhfDiBQkFINYNq4tO5GFXIivMmFo= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1760649118; c=relaxed/simple; bh=QGBW6ECPqYyJYBquRloNyqFNd7l7dsduVLBDuiecXE0=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=X1PYHlkY4y/JdS7ihuMNWVrm45D6KZcKSrROfdVZ2WFh1XRvi4y/NSR7aPpFffQ6vbkmhfZnk5epg9x6pbGoIL1v8sNXlAO50PwhqajTdqGOp434s8MpMPtYdV73eaWNuQISX8mCnii2pKTOqXahyGHQzXAr0OVw0zvCKIUdVBo= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org; spf=pass smtp.mailfrom=goodmis.org; arc=none smtp.client-ip=216.40.44.16 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=goodmis.org Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=goodmis.org Received: from omf14.hostedemail.com (a10.router.float.18 [10.200.18.1]) by unirelay04.hostedemail.com (Postfix) with ESMTP id 09BCB1A0421; Thu, 16 Oct 2025 21:11:47 +0000 (UTC) Received: from [HIDDEN] (Authenticated sender: rostedt@goodmis.org) by omf14.hostedemail.com (Postfix) with ESMTPA id 9489E34; Thu, 16 Oct 2025 21:11:44 +0000 (UTC) Date: Thu, 16 Oct 2025 17:11:55 -0400 From: Steven Rostedt To: Vincent Donnefort Cc: mhiramat@kernel.org, mathieu.desnoyers@efficios.com, linux-trace-kernel@vger.kernel.org, maz@kernel.org, oliver.upton@linux.dev, joey.gouly@arm.com, suzuki.poulose@arm.com, yuzenghui@huawei.com, kvmarm@lists.linux.dev, linux-arm-kernel@lists.infradead.org, jstultz@google.com, qperret@google.com, will@kernel.org, aneesh.kumar@kernel.org, kernel-team@android.com, linux-kernel@vger.kernel.org Subject: Re: [PATCH v7 14/28] tracing: Add a trace remote module for testing Message-ID: <20251016171155.0d871fc3@gandalf.local.home> In-Reply-To: <20251016170645.15416c8a@gandalf.local.home> References: <20251003133825.2068970-1-vdonnefort@google.com> <20251003133825.2068970-15-vdonnefort@google.com> <20251016170645.15416c8a@gandalf.local.home> 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 X-Stat-Signature: 33hbw6rr73jtdzwf8bckjrt5why11rej X-Rspamd-Server: rspamout01 X-Rspamd-Queue-Id: 9489E34 X-Session-Marker: 726F737465647440676F6F646D69732E6F7267 X-Session-ID: U2FsdGVkX1+mzqTR6rqbkd1NzU33NlFjpBTX4YYBDpY= X-HE-Tag: 1760649104-568230 X-HE-Meta: U2FsdGVkX18UOnRfo5/M586ViFyUv6tsn+gOTfw2M0Y9noR3McpUrJwpsabHTvpL2/5wzsDCaUL/d12GzAjhNNf2t3Mhh8WD1Kmh+O8qlcvBgcXVf/dnXrigVY66PAvWoi1nhL66TQ68n9IiyyDAd1Yy7C8R2HGrPEXZuNIGll4R/6JVAlCDDccqVf1UpNW9JDuwtJniNcqNR3SLoNhCyIPEGrDKQrN3u9E0qhCgI5ih58GR5+Hc4f3tG6AszSfxvRCkVDTjfUprjZDI6HBrwKxPjK/jMfpJxezYVYWqtgRGBWg4teEiBTVO+M+ApM8vuZHp8FfUOBjYmshmFZTZO3HF5KgmtxNNnnyv6IZZXWwe2EQmzloM3nL1370pPrbXF0lrENiGYgHtfF+Z96qFqQ== On Thu, 16 Oct 2025 17:06:45 -0400 Steven Rostedt wrote: > On Fri, 3 Oct 2025 14:38:11 +0100 > Vincent Donnefort wrote: > > > diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig > > index 918afcc1fcaf..52131d89993c 100644 > > --- a/kernel/trace/Kconfig > > +++ b/kernel/trace/Kconfig > > @@ -1244,4 +1244,12 @@ config TRACE_REMOTE > > config SIMPLE_RING_BUFFER > > bool > > > > +config TRACE_REMOTE_TEST > > + tristate "Test module for remote tracing" > > + select TRACE_REMOTE > > + select SIMPLE_RING_BUFFER > > + help > > + This trace remote includes a ring-buffer writer implementation using > > + "simple_ring_buffer". This is solely intending for testing. > > + > > Nit, this should go up a few places so that it's with the other "test module" selections. And when I tried to build it, I hit this: GEN .vmlinux.objs MODPOST Module.symvers ERROR: modpost: "simple_ring_buffer_reserve" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "simple_ring_buffer_commit" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "simple_ring_buffer_unload" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "trace_remote_free_buffer" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "trace_remote_alloc_buffer" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "simple_ring_buffer_init" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "trace_remote_register" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "simple_ring_buffer_reset" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "simple_ring_buffer_swap_reader_page" [kernel/trace/remote_test.ko] undefined! ERROR: modpost: "simple_ring_buffer_enable_tracing" [kernel/trace/remote_test.ko] undefined! WARNING: modpost: suppressed 1 unresolved symbol warnings because there were too many) make[3]: *** [/work/git/linux-trace.git/scripts/Makefile.modpost:147: Module.symvers] Error 1 make[2]: *** [/work/git/linux-trace.git/Makefile:1960: modpost] Error 2 make[1]: *** [/work/git/linux-trace.git/Makefile:248: __sub-make] Error 2 make[1]: Leaving directory '/work/build/nobackup/debiantesting-x86-64' make: *** [Makefile:248: __sub-make] Error 2 -- Steve