From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mgamail.intel.com (mgamail.intel.com [192.198.163.8]) (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 6E45E1C2AA; Sat, 9 May 2026 00:12:24 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=192.198.163.8 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778285546; cv=none; b=Y++t6W/H0r8Zf3oiuPfLYFlto1E+kiMLmqsyom+YrqfmaTLW/lNRrfsIZJiK8S5SP7Qb/UYNol2QFKTRWBZxEyfREo1Tn8MvQZU4DtW61pZ/DEPq9FKu5YOk9NMJjT2qootynJn9OotJQg8Yei7/bys8u+NTxofnTjjnRue6+uk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1778285546; c=relaxed/simple; bh=qke3f3D7b1NsB39qkjoZwvjiIPgWaN5TkkzYFykOXAo=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=sCDjZwke1wqsBRl6XO+tyFLR3ApGqVZosG5+WbRev3B89A/4G4HwZWzH6vO/1Xa3VeMdpg7B+medu2X86HtHlkv6HWRurEpY8kNdq3c/HtL7gX+YD6S2FZFyJJZeKOxhRZJdJvth0hEAu6XV6ygegzaqqxnECNSBbBEtL5fDUsU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com; spf=pass smtp.mailfrom=intel.com; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b=jEZRO/9B; arc=none smtp.client-ip=192.198.163.8 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=intel.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=intel.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=intel.com header.i=@intel.com header.b="jEZRO/9B" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1778285544; x=1809821544; h=date:from:to:cc:subject:message-id:references: mime-version:in-reply-to; bh=qke3f3D7b1NsB39qkjoZwvjiIPgWaN5TkkzYFykOXAo=; b=jEZRO/9BQfT20ReQ31OlmKmBLDdluz8VxzMMhJiwFEfG8fjbZ79dmSul 7j3Q5XylCL8xg1iUMqGkEMOcYY1Njs22kskQb98HZTEDiSWZBJ9THmNZ/ KL8T8V8BfQLAqAVG/IbAbiWNX5aNpQJKKre/oWS89gGFwTJJpaASRPKkP FmTk1QonsNoVtp8MPS0LIX0tbjaZiiedDckwv0kKHDH+qzQLmn0jwCdCb Nf4ADNjGDp1vTj2ZYjadp8fpUlAPufztB8x3TcneCBFzqDgiLSKawp3vF OpYbV8tUlhKCnoqMkp2qXiml89h8LlJEJ1IB7Yoskkk+i76gRx6dgOf7J A==; X-CSE-ConnectionGUID: oDLJ8mHOSle0B/tIfii/sg== X-CSE-MsgGUID: Ikdtkx6FRB6daAjDVDnLcg== X-IronPort-AV: E=McAfee;i="6800,10657,11780"; a="96832995" X-IronPort-AV: E=Sophos;i="6.23,224,1770624000"; d="scan'208";a="96832995" Received: from fmviesa004.fm.intel.com ([10.60.135.144]) by fmvoesa102.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 08 May 2026 17:12:24 -0700 X-CSE-ConnectionGUID: drqFRWufQGuIyMk/hTFLBQ== X-CSE-MsgGUID: HAyrpZyyRBOOxCA6BWxJ6w== X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="6.23,224,1770624000"; d="scan'208";a="238701147" Received: from igk-lkp-server01.igk.intel.com (HELO bdf09bfdbd5f) ([10.211.93.152]) by fmviesa004.fm.intel.com with ESMTP; 08 May 2026 17:12:19 -0700 Received: from kbuild by bdf09bfdbd5f with local (Exim 4.98.2) (envelope-from ) id 1wLVIn-000000007KL-0MZp; Sat, 09 May 2026 00:12:17 +0000 Date: Sat, 9 May 2026 02:12:15 +0200 From: kernel test robot To: Aaron Tomlin , axboe@kernel.dk, rostedt@goodmis.org, mhiramat@kernel.org, mathieu.desnoyers@efficios.com Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev, bvanassche@acm.org, johannes.thumshirn@wdc.com, kch@nvidia.com, dlemoal@kernel.org, ritesh.list@gmail.com, loberman@redhat.com, neelx@suse.com, sean@ashe.io, mproche@gmail.com, chjohnst@gmail.com, linux-block@vger.kernel.org, linux-kernel@vger.kernel.org, linux-trace-kernel@vger.kernel.org Subject: Re: [PATCH v5 2/2] blk-mq: expose tag starvation counts via debugfs Message-ID: <202605090233.BZVa3x9s-lkp@intel.com> References: <20260427020142.358912-3-atomlin@atomlin.com> Precedence: bulk X-Mailing-List: linux-block@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: <20260427020142.358912-3-atomlin@atomlin.com> Hi Aaron, kernel test robot noticed the following build errors: [auto build test ERROR on axboe/for-next] [also build test ERROR on trace/for-next linus/master v7.1-rc2 next-20260508] [If your patch is applied to the wrong git tree, kindly drop us a note. And when submitting patch, we suggest to use '--base' as documented in https://git-scm.com/docs/git-format-patch#_base_tree_information] url: https://github.com/intel-lab-lkp/linux/commits/Aaron-Tomlin/blk-mq-add-tracepoint-block_rq_tag_wait/20260428-013259 base: https://git.kernel.org/pub/scm/linux/kernel/git/axboe/linux.git for-next patch link: https://lore.kernel.org/r/20260427020142.358912-3-atomlin%40atomlin.com patch subject: [PATCH v5 2/2] blk-mq: expose tag starvation counts via debugfs config: x86_64-rhel-9.4-rust (https://download.01.org/0day-ci/archive/20260509/202605090233.BZVa3x9s-lkp@intel.com/config) compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261) rustc: rustc 1.88.0 (6b00bc388 2025-06-23) reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260509/202605090233.BZVa3x9s-lkp@intel.com/reproduce) If you fix the issue in a separate patch/commit (i.e. not just a new version of the same patch/commit), kindly add following tags | Reported-by: kernel test robot | Closes: https://lore.kernel.org/oe-kbuild-all/202605090233.BZVa3x9s-lkp@intel.com/ All errors (new ones prefixed by >>): In file included from block/blk-core.c:45: In file included from include/trace/events/block.h:726: In file included from include/trace/define_trace.h:132: In file included from include/trace/trace_events.h:468: >> include/trace/events/block.h:255:47: error: expected ':' 255 | __entry->dev = q->disk ? disk_devt(q->disk); | ^ | : include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign' 133 | #define TP_fast_assign(args...) args | ^ include/trace/trace_events.h:44:16: note: expanded from macro 'TRACE_EVENT' 44 | PARAMS(assign), \ | ^ include/linux/tracepoint.h:160:25: note: expanded from macro 'PARAMS' 160 | #define PARAMS(args...) args | ^ include/trace/trace_events.h:435:16: note: expanded from macro 'DECLARE_EVENT_CLASS' 435 | PARAMS(assign), PARAMS(print)) \ | ^ include/linux/tracepoint.h:160:25: note: expanded from macro 'PARAMS' 160 | #define PARAMS(args...) args | ^ include/trace/trace_events.h:427:4: note: expanded from macro '\ __DECLARE_EVENT_CLASS' 427 | { assign; } \ | ^ include/trace/events/block.h:255:27: note: to match this '?' 255 | __entry->dev = q->disk ? disk_devt(q->disk); | ^ >> include/trace/events/block.h:255:47: error: expected expression 255 | __entry->dev = q->disk ? disk_devt(q->disk); | ^ In file included from block/blk-core.c:45: In file included from include/trace/events/block.h:726: In file included from include/trace/define_trace.h:133: In file included from include/trace/perf.h:110: >> include/trace/events/block.h:255:47: error: expected ':' 255 | __entry->dev = q->disk ? disk_devt(q->disk); | ^ | : include/trace/stages/stage6_event_callback.h:133:33: note: expanded from macro 'TP_fast_assign' 133 | #define TP_fast_assign(args...) args | ^ include/trace/trace_events.h:44:16: note: expanded from macro 'TRACE_EVENT' 44 | PARAMS(assign), \ | ^ include/linux/tracepoint.h:160:25: note: expanded from macro 'PARAMS' 160 | #define PARAMS(args...) args | ^ include/trace/perf.h:67:16: note: expanded from macro 'DECLARE_EVENT_CLASS' 67 | PARAMS(assign), PARAMS(print)) \ | ^ include/linux/tracepoint.h:160:25: note: expanded from macro 'PARAMS' 160 | #define PARAMS(args...) args | ^ include/trace/perf.h:51:4: note: expanded from macro '\ __DECLARE_EVENT_CLASS' 51 | { assign; } \ | ^ include/trace/events/block.h:255:27: note: to match this '?' 255 | __entry->dev = q->disk ? disk_devt(q->disk); | ^ >> include/trace/events/block.h:255:47: error: expected expression 255 | __entry->dev = q->disk ? disk_devt(q->disk); | ^ 4 errors generated. vim +255 include/trace/events/block.h 242 243 TP_PROTO(struct request_queue *q, struct blk_mq_hw_ctx *hctx, bool is_sched_tag), 244 245 TP_ARGS(q, hctx, is_sched_tag), 246 247 TP_STRUCT__entry( 248 __field( dev_t, dev ) 249 __field( u32, hctx_id ) 250 __field( u32, nr_tags ) 251 __field( bool, is_sched_tag ) 252 ), 253 254 TP_fast_assign( > 255 __entry->dev = q->disk ? disk_devt(q->disk); 256 __entry->hctx_id = hctx->queue_num; 257 __entry->is_sched_tag = is_sched_tag; 258 259 if (is_sched_tag) 260 __entry->nr_tags = hctx->sched_tags->nr_tags; 261 else 262 __entry->nr_tags = hctx->tags->nr_tags; 263 ), 264 265 TP_printk("%d,%d hctx=%u starved on %s tags (depth=%u)", 266 MAJOR(__entry->dev), MINOR(__entry->dev), 267 __entry->hctx_id, 268 __entry->is_sched_tag ? "scheduler" : "hardware", 269 __entry->nr_tags) 270 ); 271 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki