From mboxrd@z Thu Jan 1 00:00:00 1970 From: Bart Van Assche Subject: [PATCH v2 3/3] Show .retries and .jiffies_at_alloc in debugfs Date: Tue, 29 Aug 2017 17:07:42 -0700 Message-ID: <20170830000742.29653-4-bart.vanassche@wdc.com> References: <20170830000742.29653-1-bart.vanassche@wdc.com> Return-path: Received: from esa5.hgst.iphmx.com ([216.71.153.144]:37711 "EHLO esa5.hgst.iphmx.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751744AbdH3AJa (ORCPT ); Tue, 29 Aug 2017 20:09:30 -0400 In-Reply-To: <20170830000742.29653-1-bart.vanassche@wdc.com> Sender: linux-scsi-owner@vger.kernel.org List-Id: linux-scsi@vger.kernel.org To: "Martin K . Petersen" , "James E . J . Bottomley" Cc: linux-scsi@vger.kernel.org, Bart Van Assche , Hannes Reinecke , Christoph Hellwig , Johannes Thumshirn Make these two member variables available in debugfs such that their value can be verified by kernel developers. An example of the new output from a system with CONFIG_HZ=100: ffff8804a41ed480 {.op=READ, .cmd_flags=META|PRIO, .rq_flags=MQ_INFLIGHT|IO_STAT, .atomic_flags=COMPLETE, .tag=17, .internal_tag=-1, .cmd=Read(10) 28 00 09 01 1f a0 00 00 08 00, .retries=0, .jiffies_at_alloc=-25647} Signed-off-by: Bart Van Assche Cc: Hannes Reinecke Cc: Christoph Hellwig Cc: Johannes Thumshirn --- drivers/scsi/scsi_debugfs.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/drivers/scsi/scsi_debugfs.c b/drivers/scsi/scsi_debugfs.c index a97c9507103d..282834935e07 100644 --- a/drivers/scsi/scsi_debugfs.c +++ b/drivers/scsi/scsi_debugfs.c @@ -9,5 +9,6 @@ void scsi_show_rq(struct seq_file *m, struct request *rq) char buf[80]; __scsi_format_command(buf, sizeof(buf), cmd->cmnd, cmd->cmd_len); - seq_printf(m, ", .cmd=%s", buf); + seq_printf(m, ", .cmd=%s, .retries=%d, .jiffies_at_alloc=%ld", buf, + cmd->retries, cmd->jiffies_at_alloc - jiffies); } -- 2.14.1