From patchwork Tue Feb 2 05:25:29 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Chaitanya Kulkarni X-Patchwork-Id: 12060645 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-11.5 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id EDBC8C433E6 for ; Tue, 2 Feb 2021 05:26:56 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id 889DB64EDC for ; Tue, 2 Feb 2021 05:26:56 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231388AbhBBF0z (ORCPT ); Tue, 2 Feb 2021 00:26:55 -0500 Received: from esa5.hgst.iphmx.com ([216.71.153.144]:13840 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230168AbhBBF0y (ORCPT ); Tue, 2 Feb 2021 00:26:54 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=simple/simple; d=wdc.com; i=@wdc.com; q=dns/txt; s=dkim.wdc.com; t=1612243613; x=1643779613; h=from:to:cc:subject:date:message-id:mime-version: content-transfer-encoding; bh=PDOc6pto7ajk+QO8i/HkhQk2jPcRHdNdXErGmveZ6x0=; b=rT8jz6BjJIatgnnEjPDnnU1+fWp03S7tdSzdbbl3tTVyarUlEYOsVGK9 N1/P697Qo8Y6hxEVqJoJfnW1x9+ocg50vzMDAAQClIXnkJAnrxRTjZ7MW WMEj6Wj8AYxljVHuUxhv7J5gCo/CtgRIpZ/q1oj5kn9JFHIXI+oGpxqSP bFjdVuUqIbxOeenvMdj7xVzzyrmluAOgM4+Fb08uzyD7+zRnzY/qtKnZh EiwbNIKGIi8rRVgn69x8ZZ3l6xIySuLsSX0du8xm0uDVM1hyCQBod6y0g 2SwOSZqF49eXdnJthwycyvH1ReG4SZfmdQQ5un+2ITq8B295Q8zbFwuAt g==; IronPort-SDR: hZwEYdmdXzuVmcfdvldz8QzTpvdn5KhxziOAdaHkF+ZgczAE3JSktgixMBpJCwuNQb69VjhPpD y2W7bce59QGMoCvkF65lX8U/T+EPOTRHi1E6KzHhRAWEN9xG/gyJNZPQv74OvLP+AJELBeI50p TvWpdfU+IAk3gKlfx2aKC5XpuC8uA9uWmLLrsa97/VPkmmpwxClWsN668X3+DZjfAb7JK5LUEl oWrHziDYpH3LAVCmPQ5GhavRX+D0mv+CuNreYcD5se/2Tphk5kjdzK1k0l91x1hUcYb2xvrby0 obM= X-IronPort-AV: E=Sophos;i="5.79,394,1602518400"; d="scan'208";a="158884270" Received: from uls-op-cesaip01.wdc.com (HELO uls-op-cesaep01.wdc.com) ([199.255.45.14]) by ob1.hgst.iphmx.com with ESMTP; 02 Feb 2021 13:25:48 +0800 IronPort-SDR: X6I+E9b8gOyR2IhDu4fc6Glk0F53qLsMjBgO3o2B4uoYU2/rX5iDJ3akDSUgwgaCKUHwGGBBcu Oj75GWNpd55VRhpEkH3dGX7GWdxJkE/R6S2W1ZcKoDOwCKhCgEk4ydqs3C0KKgCikLGXrhSRYV XjpCCTANMo/VtZIgjpJ0+04dQa7U35A96GtJlBU7k/k9MdnYsk+Sd7qxIeRYjhVxfHxEnZ2S6a 914RlOFSZdFQfSoisWssweyR8v5JVcGBE/gf4Axh0sVcwD8tVcY68+Dh65o4XpmVKZV8V7c5KW P44u8+HpcLR3aVYByTTgE17p Received: from uls-op-cesaip02.wdc.com ([10.248.3.37]) by uls-op-cesaep01.wdc.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 01 Feb 2021 21:09:57 -0800 IronPort-SDR: TwhCqLfQxaODYGA5iXY/ajNm8IkrKs6CHk/8Aj4gpv1XGwRIj78PoisnsuBLoDTWXGvdkQS05O py9JcnAScLWXgSCPkXx5VfxMxpB4gO6tbBWfodpWogFIlhWSUWiUfpVoUaCwpv1RTpsR3ZHmq7 1+OlXpXzRuwtOAnEyKuOo0brojCQ8G48PHXMYOdbhsX6ke9Uk/OUG7WM4VzrKUGP8LZUyTMzaM Eybezc5+QffivZypq9cblw5A7JVPR/ZmEBJ/sVMygyBnCqewuW9EJPctsFAciooDQQyOaNNk4n jfE= WDCIronportException: Internal Received: from vm.labspan.wdc.com (HELO vm.sc.wdc.com) ([10.6.137.102]) by uls-op-cesaip02.wdc.com with ESMTP; 01 Feb 2021 21:25:48 -0800 From: Chaitanya Kulkarni To: linux-block@vger.kernel.org Cc: paolo.valente@linaro.org, axboe@kernel.dk, rostedt@goodmis.org, mingo@redhat.com, chaitanya.kulkarni@wdc.com, johannes.thumshirn@wdc.com, damien.lemoal@wdc.com, bvanassche@acm.org, dongli.zhang@oracle.com, akpm@linux-foundation.org, aravind.ramesh@wdc.com, joshi.k@samsung.com, niklas.cassel@wdc.com, hare@suse.de, colyli@suse.de, tj@kernel.org, rdunlap@infradead.org, jack@suse.cz, hch@lst.de Subject: [PATCH 0/7] blktrace: few clenaup Date: Mon, 1 Feb 2021 21:25:29 -0800 Message-Id: <20210202052544.4108-1-chaitanya.kulkarni@wdc.com> X-Mailer: git-send-email 2.22.1 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-block@vger.kernel.org Hi, These are few cleanups for the block trace. Below is the test log on latest linux-block/for-next. Last two patches are needed to for testing. -ck Chaitanya Kulkarni (7): block: remove superfluous param in blk_fill_rwbs() blktrace: add blk_fill_rwbs documentation comment blktrace: fix blk_rq_issue documentation blktrace: fix blk_rq_merge documentation block: get rid of the trace rq insert wrapper null_blk: allow disacrd on non-membacked mode null_blk: add module param queue bounce limit block/bfq-iosched.c | 4 +++- block/blk-mq-sched.c | 6 ------ block/blk-mq-sched.h | 1 - block/kyber-iosched.c | 4 +++- block/mq-deadline.c | 4 +++- drivers/block/null_blk/main.c | 31 +++++++++++++++++++++++++------ drivers/block/null_blk/null_blk.h | 1 + include/linux/blktrace_api.h | 2 +- include/trace/events/bcache.h | 10 +++++----- include/trace/events/block.h | 20 ++++++++++---------- kernel/trace/blktrace.c | 13 ++++++++++++- 11 files changed, 63 insertions(+), 33 deletions(-) Patch 1 Testing for uncommon tracepoints such as split, requeue :- Merge Tracepoint :- 252,0 0 1 0.000000000 1096 Q WS 0 + 8 [systemd-udevd] 252,0 0 2 0.000014217 1096 G WS 0 + 8 [systemd-udevd] 252,0 0 3 0.000019467 1096 Q WS 8 + 8 [systemd-udevd] *252,0 0 4 0.000021200 1096 M WS 8 + 8 [systemd-udevd]* 252,0 0 5 0.000025568 1096 Q WS 16 + 8 [systemd-udevd] 252,0 0 6 0.000026540 1096 M WS 16 + 8 [systemd-udevd] 252,0 0 7 0.000030407 1096 Q WS 24 + 8 [systemd-udevd] 252,0 0 8 0.000031359 1096 M WS 24 + 8 [systemd-udevd] 252,0 0 9 0.000035056 1096 Q WS 32 + 8 [systemd-udevd] 252,0 0 10 0.000036008 1096 M WS 32 + 8 [systemd-udevd] 252,0 0 11 0.000039234 1096 Q WS 40 + 8 [systemd-udevd] 252,0 0 12 0.000040165 1096 M WS 40 + 8 [systemd-udevd] 252,0 0 13 0.000043371 1096 Q WS 48 + 8 [systemd-udevd] 252,0 0 14 0.000044293 1096 M WS 48 + 8 [systemd-udevd] 252,0 0 15 0.000047980 1096 Q WS 56 + 8 [systemd-udevd] 252,0 0 16 0.000048902 1096 M WS 56 + 8 [systemd-udevd] 252,0 0 17 0.000052068 1096 Q WS 64 + 8 [systemd-udevd] 252,0 0 18 0.000052999 1096 M WS 64 + 8 [systemd-udevd] 252,0 0 19 0.000056486 1096 Q WS 72 + 8 [systemd-udevd] 252,0 0 20 0.000057428 1096 M WS 72 + 8 [systemd-udevd] 252,0 0 21 0.000061896 1096 I WS 0 + 80 [systemd-udevd] 252,0 0 22 0.000082194 1096 D WS 0 + 80 [systemd-udevd] 252,0 0 23 0.000107782 10 C WS 0 + 80 [0] ReQueue Tracepoint :- 252,0 29 1 0.000000000 6215 Q WS 0 + 8 [dd] 252,0 29 2 0.000010109 6215 G WS 0 + 8 [dd] 252,0 29 3 0.000014577 6215 I WS 0 + 8 [dd] 252,0 29 4 0.000040476 807 D WS 0 + 8 [kworker/29:1H] *252,0 29 5 0.000043151 807 R WS 0 + 8 [0]* 252,0 29 6 0.000049142 807 D WS 0 + 8 [kworker/29:1H] 252,0 29 7 0.000050244 807 R WS 0 + 8 [0] 252,0 29 8 0.000205866 807 I WS 0 + 8 [kworker/29:1H] 252,0 29 9 0.000249157 807 D WS 0 + 8 [kworker/29:1H] 252,0 29 10 0.000250379 807 R WS 0 + 8 [0] 252,0 29 11 0.004154922 807 D WS 0 + 8 [kworker/29:1H] 252,0 29 12 0.004157446 807 R WS 0 + 8 [0] 252,0 29 13 0.004164249 807 I WS 0 + 8 [kworker/29:1H] 252,0 29 14 0.004166974 807 D WS 0 + 8 [kworker/29:1H] 252,0 29 15 0.004168497 807 R WS 0 + 8 [0] 252,0 29 16 0.008204045 807 D WS 0 + 8 [kworker/29:1H] 252,0 29 17 0.008208584 807 R WS 0 + 8 [0] 252,0 29 18 0.008220506 807 I WS 0 + 8 [kworker/29:1H] 252,0 29 19 0.008225405 807 D WS 0 + 8 [kworker/29:1H] 252,0 29 20 0.008251003 157 C WS 0 + 8 [0] 252,0 29 21 0.008309343 6215 Q WS 8 + 8 [dd] 252,0 29 22 0.008314632 6215 G WS 8 + 8 [dd] 252,0 29 23 0.008319391 6215 I WS 8 + 8 [dd] 252,0 29 24 0.008339239 807 D WS 8 + 8 [kworker/29:1H] 252,0 29 25 0.008341773 807 R WS 8 + 8 [0] 252,0 29 26 0.008349738 807 D WS 8 + 8 [kworker/29:1H] 252,0 29 27 0.008351862 807 R WS 8 + 8 [0] 252,0 29 28 0.008359607 807 I WS 8 + 8 [kworker/29:1H] 252,0 29 29 0.008362873 807 D WS 8 + 8 [kworker/29:1H] 252,0 29 30 0.008376328 157 C WS 8 + 8 [0] Split Tracepoint :- 252,0 29 1 0.000000000 5790 Q DS 0 + 80 [blkdiscard] *252,0 29 2 0.000003005 5790 X DS 0 / 4 [blkdiscard]* 252,0 29 3 0.000008506 5790 G DS 0 + 4 [blkdiscard] 252,0 29 4 0.000010610 5790 X DS 4 / 8 [blkdiscard] 252,0 29 5 0.000012062 5790 G DS 4 + 4 [blkdiscard] 252,0 29 6 0.000013555 5790 X DS 8 / 12 [blkdiscard] 252,0 29 7 0.000014908 5790 G DS 8 + 4 [blkdiscard] 252,0 29 8 0.000017062 5790 X DS 12 / 16 [blkdiscard] 252,0 29 9 0.000018384 5790 G DS 12 + 4 [blkdiscard] 252,0 29 10 0.000019817 5790 X DS 16 / 20 [blkdiscard] 252,0 29 11 0.000023774 5790 I DS 0 + 4 [blkdiscard] 252,0 29 12 0.000024556 5790 I DS 4 + 4 [blkdiscard] 252,0 29 13 0.000025177 5790 I DS 8 + 4 [blkdiscard] 252,0 29 14 0.000025758 5790 I DS 12 + 4 [blkdiscard] 252,0 29 15 0.000050224 807 D DS 0 + 4 [kworker/29:1H] 252,0 29 16 0.000056275 807 D DS 4 + 4 [kworker/29:1H] 252,0 29 17 0.000075712 807 D DS 8 + 4 [kworker/29:1H] 252,0 29 18 0.000076844 807 D DS 12 + 4 [kworker/29:1H] 252,0 29 19 0.000085310 157 C DS 0 + 4 [0] 252,0 29 20 0.000089337 157 C DS 0 + 8 [0] 252,0 29 21 0.000096400 157 C DS 0 + 12 [0] 252,0 29 22 0.000097913 157 C DS 0 + 16 [0] Patch 5 Test log Make sure rq insert works with each sched :- # ./trace_cleanup_blktrace.sh 8c8f1a45899a (HEAD -> for-next) null_blk: add module param queue bounce limit 37f33071ed74 null_blk: allow disacrd on non-membacked mode 19af33d82a86 block: get rid of the trace rq insert wrapper 4234aaeef927 blktrace: fix blk_rq_merge documentation 7b6e753dc655 blktrace: fix blk_rq_issue documentation 42c251311549 blktrace: add blk_fill_rwbs documentation comment ee2ca65cac3a block: remove superfluous param in blk_fill_rwbs() 5.11.0-rc6blk+ #################### kyber ##################### mq-deadline [kyber] none 5+0 records in 5+0 records out 20480 bytes (20 kB) copied, 0.000729117 s, 28.1 MB/s #################### bfq ##################### mq-deadline kyber [bfq] none 5+0 records in 5+0 records out 20480 bytes (20 kB) copied, 0.000329207 s, 62.2 MB/s #################### mq-deadline ##################### [mq-deadline] kyber bfq none 5+0 records in 5+0 records out 20480 bytes (20 kB) copied, 0.000333576 s, 61.4 MB/s #################### none ##################### [none] mq-deadline kyber bfq 5+0 records in 5+0 records out 20480 bytes (20 kB) copied, 0.000348243 s, 58.8 MB/s #################### kyber ##################### 252,0 45 1 0.000000000 1096 Q WS 0 + 8 [systemd-udevd] 252,0 45 2 0.000011121 1096 B WS 0 + 8 [systemd-udevd] 252,0 45 3 0.000162665 1096 G WS 0 + 8 [systemd-udevd] 252,0 45 4 0.000185077 1096 Q WS 8 + 8 [systemd-udevd] 252,0 45 5 0.000195346 1096 B WS 8 + 8 [systemd-udevd] 252,0 45 6 0.000198382 1096 M WS 8 + 8 [systemd-udevd] 252,0 45 7 0.000210565 1096 Q WS 16 + 8 [systemd-udevd] 252,0 45 8 0.000218119 1096 B WS 16 + 8 [systemd-udevd] 252,0 45 9 0.000219421 1096 M WS 16 + 8 [systemd-udevd] 252,0 45 10 0.000226925 1096 Q WS 24 + 8 [systemd-udevd] 252,0 45 11 0.000232135 1096 B WS 24 + 8 [systemd-udevd] 252,0 45 12 0.000233297 1096 M WS 24 + 8 [systemd-udevd] 252,0 45 13 0.000240511 1096 Q WS 32 + 8 [systemd-udevd] 252,0 45 14 0.000245701 1096 B WS 32 + 8 [systemd-udevd] 252,0 45 15 0.000246843 1096 M WS 32 + 8 [systemd-udevd] *252,0 45 16 0.000264746 1096 I WS 0 + 40 [systemd-udevd]* 252,0 45 17 0.000337262 1096 D WS 0 + 40 [systemd-udevd] 252,0 45 18 0.000526978 237 C WS 0 + 40 [0] 252,0 45 19 0.000531887 237 C WS 0 + 8 [0] 252,0 45 20 0.000554360 237 C WS 8 + 8 [0] 252,0 45 21 0.000557505 237 C WS 16 + 8 [0] 252,0 45 22 0.000560441 237 C WS 24 + 8 [0] 252,0 45 23 0.000563457 237 C WS 32 + 8 [0] CPU45 (252,0): Reads Queued: 0, 0KiB Writes Queued: 5, 20KiB Read Dispatches: 0, 0KiB Write Dispatches: 1, 20KiB Reads Requeued: 0 Writes Requeued: 0 Reads Completed: 0, 0KiB Writes Completed: 6, 40KiB Read Merges: 0, 0KiB Write Merges: 4, 16KiB Read depth: 0 Write depth: 1 IO unplugs: 0 Timer unplugs: 0 Throughput (R/W): 0KiB/s / 0KiB/s Events (252,0): 23 entries Skips: 0 forward (0 - 0.0%) #################### bfq ##################### 252,0 45 1 0.000000000 1096 Q WS 0 + 8 [systemd-udevd] 252,0 45 2 0.000010880 1096 B WS 0 + 8 [systemd-udevd] 252,0 45 3 0.000368781 1096 G WS 0 + 8 [systemd-udevd] 252,0 45 4 0.000380924 1096 Q WS 8 + 8 [systemd-udevd] 252,0 45 5 0.000387346 1096 B WS 8 + 8 [systemd-udevd] 252,0 45 6 0.000389821 1096 M WS 8 + 8 [systemd-udevd] 252,0 45 7 0.000398728 1096 Q WS 16 + 8 [systemd-udevd] 252,0 45 8 0.000405360 1096 B WS 16 + 8 [systemd-udevd] 252,0 45 9 0.000406753 1096 M WS 16 + 8 [systemd-udevd] 252,0 45 10 0.000415719 1096 Q WS 24 + 8 [systemd-udevd] 252,0 45 11 0.000421210 1096 B WS 24 + 8 [systemd-udevd] 252,0 45 12 0.000422592 1096 M WS 24 + 8 [systemd-udevd] 252,0 45 13 0.000431248 1096 Q WS 32 + 8 [systemd-udevd] 252,0 45 14 0.000437640 1096 B WS 32 + 8 [systemd-udevd] 252,0 45 15 0.000438973 1096 M WS 32 + 8 [systemd-udevd] 252,0 45 16 0.000446617 1096 I WS 0 + 40 [systemd-udevd] *252,0 45 17 0.000560571 1096 D WS 0 + 40 [systemd-udevd]* 252,0 45 18 0.000644438 237 C WS 0 + 40 [0] 252,0 45 19 0.000651752 237 C WS 0 + 8 [0] 252,0 45 20 0.000675957 237 C WS 8 + 8 [0] 252,0 45 21 0.000683341 237 C WS 16 + 8 [0] 252,0 45 22 0.000690044 237 C WS 24 + 8 [0] 252,0 45 23 0.000696686 237 C WS 32 + 8 [0] CPU45 (252,0): Reads Queued: 0, 0KiB Writes Queued: 5, 20KiB Read Dispatches: 0, 0KiB Write Dispatches: 1, 20KiB Reads Requeued: 0 Writes Requeued: 0 Reads Completed: 0, 0KiB Writes Completed: 6, 40KiB Read Merges: 0, 0KiB Write Merges: 4, 16KiB Read depth: 0 Write depth: 1 IO unplugs: 0 Timer unplugs: 0 Throughput (R/W): 0KiB/s / 0KiB/s Events (252,0): 23 entries Skips: 0 forward (0 - 0.0%) #################### mq-deadline ##################### 252,0 45 1 0.000000000 1096 Q WS 0 + 8 [systemd-udevd] 252,0 45 2 0.000011522 1096 B WS 0 + 8 [systemd-udevd] 252,0 45 3 0.000023454 1096 G WS 0 + 8 [systemd-udevd] 252,0 45 4 0.000033012 1096 Q WS 8 + 8 [systemd-udevd] 252,0 45 5 0.000038813 1096 B WS 8 + 8 [systemd-udevd] 252,0 45 6 0.000041207 1096 M WS 8 + 8 [systemd-udevd] 252,0 45 7 0.000049022 1096 Q WS 16 + 8 [systemd-udevd] 252,0 45 8 0.000054412 1096 B WS 16 + 8 [systemd-udevd] 252,0 45 9 0.000055574 1096 M WS 16 + 8 [systemd-udevd] 252,0 45 10 0.000062607 1096 Q WS 24 + 8 [systemd-udevd] 252,0 45 11 0.000067807 1096 B WS 24 + 8 [systemd-udevd] 252,0 45 12 0.000068939 1096 M WS 24 + 8 [systemd-udevd] 252,0 45 13 0.000075762 1096 Q WS 32 + 8 [systemd-udevd] 252,0 45 14 0.000081022 1096 B WS 32 + 8 [systemd-udevd] 252,0 45 15 0.000082314 1096 M WS 32 + 8 [systemd-udevd] *252,0 45 16 0.000251682 1096 I WS 0 + 40 [systemd-udevd]* 252,0 45 17 0.000264386 1096 D WS 0 + 40 [systemd-udevd] 252,0 45 18 0.000298630 237 C WS 0 + 40 [0] 252,0 45 19 0.000305824 237 C WS 0 + 8 [0] 252,0 45 20 0.000330520 237 C WS 8 + 8 [0] 252,0 45 21 0.000336641 237 C WS 16 + 8 [0] 252,0 45 22 0.000342172 237 C WS 24 + 8 [0] 252,0 45 23 0.000347872 237 C WS 32 + 8 [0] CPU45 (252,0): Reads Queued: 0, 0KiB Writes Queued: 5, 20KiB Read Dispatches: 0, 0KiB Write Dispatches: 1, 20KiB Reads Requeued: 0 Writes Requeued: 0 Reads Completed: 0, 0KiB Writes Completed: 6, 40KiB Read Merges: 0, 0KiB Write Merges: 4, 16KiB Read depth: 0 Write depth: 1 IO unplugs: 0 Timer unplugs: 0 Throughput (R/W): 0KiB/s / 0KiB/s Events (252,0): 23 entries Skips: 0 forward (0 - 0.0%) #################### none ##################### 252,0 45 1 0.000000000 1096 Q WS 0 + 8 [systemd-udevd] 252,0 45 2 0.000012293 1096 B WS 0 + 8 [systemd-udevd] 252,0 45 3 0.000021670 1096 G WS 0 + 8 [systemd-udevd] 252,0 45 4 0.000030807 1096 Q WS 8 + 8 [systemd-udevd] 252,0 45 5 0.000035747 1096 B WS 8 + 8 [systemd-udevd] 252,0 45 6 0.000038362 1096 M WS 8 + 8 [systemd-udevd] 252,0 45 7 0.000045856 1096 Q WS 16 + 8 [systemd-udevd] 252,0 45 8 0.000051807 1096 B WS 16 + 8 [systemd-udevd] 252,0 45 9 0.000053099 1096 M WS 16 + 8 [systemd-udevd] 252,0 45 10 0.000060603 1096 Q WS 24 + 8 [systemd-udevd] 252,0 45 11 0.000065182 1096 B WS 24 + 8 [systemd-udevd] 252,0 45 12 0.000066324 1096 M WS 24 + 8 [systemd-udevd] 252,0 45 13 0.000073327 1096 Q WS 32 + 8 [systemd-udevd] 252,0 45 14 0.000078286 1096 B WS 32 + 8 [systemd-udevd] 252,0 45 15 0.000079368 1096 M WS 32 + 8 [systemd-udevd] 252,0 45 16 0.000086281 1096 D WS 0 + 40 [systemd-udevd] 252,0 45 17 0.000142327 237 C WS 0 + 40 [0] 252,0 45 18 0.000149881 237 C WS 0 + 8 [0] 252,0 45 19 0.000174146 237 C WS 8 + 8 [0] 252,0 45 20 0.000180067 237 C WS 16 + 8 [0] 252,0 45 21 0.000185668 237 C WS 24 + 8 [0] 252,0 45 22 0.000191499 237 C WS 32 + 8 [0] CPU45 (252,0): Reads Queued: 0, 0KiB Writes Queued: 5, 20KiB Read Dispatches: 0, 0KiB Write Dispatches: 1, 20KiB Reads Requeued: 0 Writes Requeued: 0 Reads Completed: 0, 0KiB Writes Completed: 6, 40KiB Read Merges: 0, 0KiB Write Merges: 4, 16KiB Read depth: 0 Write depth: 1 IO unplugs: 0 Timer unplugs: 0 Throughput (R/W): 0KiB/s / 0KiB/s Events (252,0): 22 entries Skips: 0 forward (0 - 0.0%)