From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752854AbeDPOu0 convert rfc822-to-8bit (ORCPT ); Mon, 16 Apr 2018 10:50:26 -0400 Received: from mailout.micron.com ([137.201.242.129]:62164 "EHLO mailout.micron.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750884AbeDPOuR (ORCPT ); Mon, 16 Apr 2018 10:50:17 -0400 From: "Bean Huo (beanhuo)" To: Steven Rostedt , "axboe@kernel.dk" , "jejb@linux.vnet.ibm.com" , "martin.petersen@oracle.com" CC: "linux-block@vger.kernel.org" , "linux-scsi@vger.kernel.org" , "linux-kernel@vger.kernel.org" , "mingo@redhad.com" , "Bart.VanAssche@sandisk.com" , "linux-kernel@vger.kernel.org" , "Bean Huo (beanhuo)" , "rajatja@google.com" Subject: [RESEND PATCH v1 2/2] trace: events: block: Add tag in block trace events Thread-Topic: [RESEND PATCH v1 2/2] trace: events: block: Add tag in block trace events Thread-Index: AdPVj891kSAdtlOyRKy4BVmHjk9SYA== Date: Mon, 16 Apr 2018 14:33:29 +0000 Message-ID: <64d6073b28b140cda3e5870a54e0a7bc@SIWEX5A.sing.micron.com> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-ms-exchange-transport-fromentityheader: Hosted x-originating-ip: [10.160.29.124] X-TM-AS-Product-Ver: SMEX-12.0.0.1782-8.200.1013-23786.005 X-TM-AS-Result: No--7.202700-0.000000-31 X-TM-AS-MatchedID: 707163-703788-121665-851106-188019-700767-706592-851458-7 00200-702097-701646-700079-860560-700264-702474-121224-148004-148050-148980 -42000-42003-29961-63 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No x-mt-checkinternalsenderrule: True Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Print the request tag along with other information in block trace events when tracing request , and unplug type (Sync / Async). Signed-off-by: Bean Huo --- include/trace/events/block.h | 36 +++++++++++++++++++++++++----------- 1 file changed, 25 insertions(+), 11 deletions(-) diff --git a/include/trace/events/block.h b/include/trace/events/block.h index 81b43f5..f8c0b9e 100644 --- a/include/trace/events/block.h +++ b/include/trace/events/block.h @@ -81,6 +81,7 @@ TRACE_EVENT(block_rq_requeue, __field( dev_t, dev ) __field( sector_t, sector ) __field( unsigned int, nr_sector ) + __field( int, tag ) __array( char, rwbs, RWBS_LEN ) __dynamic_array( char, cmd, 1 ) ), @@ -89,16 +90,17 @@ TRACE_EVENT(block_rq_requeue, __entry->dev = rq->rq_disk ? disk_devt(rq->rq_disk) : 0; __entry->sector = blk_rq_trace_sector(rq); __entry->nr_sector = blk_rq_trace_nr_sectors(rq); + __entry->tag = rq->tag; blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); __get_str(cmd)[0] = '\0'; ), - TP_printk("%d,%d %s (%s) %llu + %u [%d]", + TP_printk("%d,%d %s (%s) %llu + %u tag=%d [%d]", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, __get_str(cmd), (unsigned long long)__entry->sector, - __entry->nr_sector, 0) + __entry->nr_sector, __entry->tag, 0) ); /** @@ -124,6 +126,7 @@ TRACE_EVENT(block_rq_complete, __field( sector_t, sector ) __field( unsigned int, nr_sector ) __field( int, error ) + __field( int, tag ) __array( char, rwbs, RWBS_LEN ) __dynamic_array( char, cmd, 1 ) ), @@ -133,16 +136,17 @@ TRACE_EVENT(block_rq_complete, __entry->sector = blk_rq_pos(rq); __entry->nr_sector = nr_bytes >> 9; __entry->error = error; + __entry->tag = rq->tag; blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, nr_bytes); __get_str(cmd)[0] = '\0'; ), - TP_printk("%d,%d %s (%s) %llu + %u [%d]", + TP_printk("%d,%d %s (%s) %llu + %u tag=%d [%d]", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, __get_str(cmd), (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->error) + __entry->nr_sector, __entry->tag, __entry->error) ); DECLARE_EVENT_CLASS(block_rq, @@ -156,6 +160,7 @@ DECLARE_EVENT_CLASS(block_rq, __field( sector_t, sector ) __field( unsigned int, nr_sector ) __field( unsigned int, bytes ) + __field( int, tag ) __array( char, rwbs, RWBS_LEN ) __array( char, comm, TASK_COMM_LEN ) __dynamic_array( char, cmd, 1 ) @@ -166,17 +171,18 @@ DECLARE_EVENT_CLASS(block_rq, __entry->sector = blk_rq_trace_sector(rq); __entry->nr_sector = blk_rq_trace_nr_sectors(rq); __entry->bytes = blk_rq_bytes(rq); + __entry->tag = rq->tag; blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); __get_str(cmd)[0] = '\0'; memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), - TP_printk("%d,%d %s %u (%s) %llu + %u [%s]", + TP_printk("%d,%d %s %u (%s) %llu + %u tag=%d [%s]", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, __entry->bytes, __get_str(cmd), (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->tag, __entry->comm) ); /** @@ -297,6 +303,7 @@ DECLARE_EVENT_CLASS(block_bio_merge, __field( dev_t, dev ) __field( sector_t, sector ) __field( unsigned int, nr_sector ) + __field( int, tag ) __array( char, rwbs, RWBS_LEN ) __array( char, comm, TASK_COMM_LEN ) ), @@ -305,14 +312,15 @@ DECLARE_EVENT_CLASS(block_bio_merge, __entry->dev = bio_dev(bio); __entry->sector = bio->bi_iter.bi_sector; __entry->nr_sector = bio_sectors(bio); + __entry->tag = rq->tag; blk_fill_rwbs(__entry->rwbs, bio->bi_opf, bio->bi_iter.bi_size); memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), - TP_printk("%d,%d %s %llu + %u [%s]", + TP_printk("%d,%d %s %llu + %u tag=%d [%s]", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, (unsigned long long)__entry->sector, - __entry->nr_sector, __entry->comm) + __entry->nr_sector, __entry->tag, __entry->comm) ); /** @@ -478,15 +486,18 @@ DECLARE_EVENT_CLASS(block_unplug, TP_STRUCT__entry( __field( int, nr_rq ) + __field( bool, explicit ) __array( char, comm, TASK_COMM_LEN ) ), TP_fast_assign( __entry->nr_rq = depth; + __entry->explicit = explicit; memcpy(__entry->comm, current->comm, TASK_COMM_LEN); ), - TP_printk("[%s] %d", __entry->comm, __entry->nr_rq) + TP_printk("[%s] %d %s", __entry->comm, __entry->nr_rq, + __entry->explicit ? "Sync" : "Async") ); /** @@ -611,6 +622,7 @@ TRACE_EVENT(block_rq_remap, __field( dev_t, dev ) __field( sector_t, sector ) __field( unsigned int, nr_sector ) + __field( int, tag ) __field( dev_t, old_dev ) __field( sector_t, old_sector ) __field( unsigned int, nr_bios ) @@ -621,18 +633,20 @@ TRACE_EVENT(block_rq_remap, __entry->dev = disk_devt(rq->rq_disk); __entry->sector = blk_rq_pos(rq); __entry->nr_sector = blk_rq_sectors(rq); + __entry->tag = rq->tag; __entry->old_dev = dev; __entry->old_sector = from; __entry->nr_bios = blk_rq_count_bios(rq); blk_fill_rwbs(__entry->rwbs, rq->cmd_flags, blk_rq_bytes(rq)); ), - TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u", + TP_printk("%d,%d %s %llu + %u <- (%d,%d) %llu %u, tag=%d", MAJOR(__entry->dev), MINOR(__entry->dev), __entry->rwbs, (unsigned long long)__entry->sector, __entry->nr_sector, MAJOR(__entry->old_dev), MINOR(__entry->old_dev), - (unsigned long long)__entry->old_sector, __entry->nr_bios) + (unsigned long long)__entry->old_sector, __entry->nr_bios, + __entry->tag) ); #endif /* _TRACE_BLOCK_H */ -- 2.7.4