From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from fanzine2.igalia.com (fanzine2.igalia.com [213.97.179.56]) (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 6A4E74E13F7 for ; Thu, 24 Sep 2026 21:14:23 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.97.179.56 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790284466; cv=none; b=T6nRUOwJotPeQtqT4sNZreOU41mOP0cUQOKbYof9u/2sjFbv3C7nwVoy4RW4U8Nq+8Joggk0+sfkWMyCIAoTtygNlqsDaAbQ9vXvbHeuhbQOdV/Ph6FaxNJkF7BBzyq72aINpqcpwmY4CAzPfQkWrBo9+P4Miu9tMlH1li1uwMs= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1790284466; c=relaxed/simple; bh=Y+gbgj32yMbQGVK2wj8lP5WDexfPAGHujjgi68gGJLM=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=fIreV4D0S55aznD2foWfUGkoMC/Gvorw7zy5+JPK3aQwIkkKDqfAIvbnXfvwIV0nqogS3lBXcua0oUoA3Ro5Jl62xC3kx8z6p/PfVhfDog+Xh/rb/MzepQq9bdUujp34MudFn/8eDgc1LnuQUsaJzdr9b/KGvDzem6Yk6o3z6aU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com; spf=pass smtp.mailfrom=igalia.com; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b=EhbQyeWs; arc=none smtp.client-ip=213.97.179.56 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=igalia.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=igalia.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=igalia.com header.i=@igalia.com header.b="EhbQyeWs" DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=igalia.com; s=20170329; h=Content-Transfer-Encoding:MIME-Version:Message-ID:Date:Subject: Cc:To:From:From:Reply-To; bh=5wbo90drhctlfwJ8CsrDNmKRLKeNmRyIMleVH6A8EAw=; b= EhbQyeWsmT+wcvDtfYJ7H8RgQydnFpn/m6Ooaq0ErTxoZGkwP8wING4tTE/i8HKK9HjjNSa96fQ+q kZm/t2yWZX1zJg8In661/8YE6QiSGJzfoJ7Aif5Dy9ZTvkoy++960FcZW4TasFWM4GTFxDZvvq3tG jU31YULhMEzKuGPha/z37U1FHdWhQ6KfEIux1LWGmZrFW8O2/WFqS3rLNolsECeBO2zWyDjUakFYr boDAKGU3HONtq2VSx+7hfSsYQki76pka9i36Mttcy12R4REQgY/ve4Iz6RRw8joD4o6tczW1T5uCr gCwIc1lL/vD5bm/NuLt9zexDPkkSahLo0Q==; Received: from 113.red-79-144-92.dynamicip.rima-tde.net ([79.144.92.113] helo=killbill) by fanzine2.igalia.com with esmtpsa (Cipher TLS1.3:ECDHE_X25519__RSA_PSS_RSAE_SHA256__AES_256_GCM:256) (Exim) id 1x9qlk-006qf4-4y; Thu, 24 Sep 2026 23:14:15 +0200 From: Melissa Wen To: airlied@gmail.com, alexander.deucher@amd.com, aurabindo.pillai@amd.com, Aurabindo.Pillai@amd.com, christian.koenig@amd.com, David.Francis@amd.com, harry.wentland@amd.com, simona@ffwll.ch, siqueira@igalia.com, sunpeng.li@amd.com Cc: amd-gfx@lists.freedesktop.org, Harry.Wentland@amd.com, kernel-dev@igalia.com, linux-kernel@vger.kernel.org Subject: [PATCH 7/8] drm/amd/display: copy function name into dcn_fpu trace event Date: Thu, 24 Sep 2026 23:10:10 +0200 Message-ID: <20260924211410.867686-8-mwen@igalia.com> X-Mailer: git-send-email 2.53.0 In-Reply-To: <20260924211410.867686-1-mwen@igalia.com> References: <20260924211410.867686-1-mwen@igalia.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Userspace trace tools that use libtraceevent to read binary buffer only see a kernel address when printing const char *. Use string macros in dcn_fpu to copy the function name into the trace event. Fixes: 96ee63730fa3 ("drm/amd/display: Add control mechanism for FPU") Assisted-by: Claude:claude-opus-5-5 Signed-off-by: Melissa Wen --- drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h | 6 +++--- 1 file changed, 3 insertions(+), 3 deletions(-) diff --git a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h index 7de4fe355c5d..b2f38654e489 100644 --- a/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h +++ b/drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm_trace.h @@ -637,20 +637,20 @@ TRACE_EVENT(dcn_fpu, TP_STRUCT__entry( __field(bool, begin) - __field(const char *, function) + __string(function, function) __field(int, line) __field(int, recursion_depth) ), TP_fast_assign( __entry->begin = begin; - __entry->function = function; + __assign_str(function); __entry->line = line; __entry->recursion_depth = recursion_depth; ), TP_printk("%s: recursion_depth: %d: %s()+%d:", __entry->begin ? "begin" : "end", __entry->recursion_depth, - __entry->function, + __get_str(function), __entry->line ) ); -- 2.53.0