From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1759337AbcBYFQn (ORCPT ); Thu, 25 Feb 2016 00:16:43 -0500 Received: from mailout.micron.com ([137.201.242.129]:58644 "EHLO mailout.micron.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1754537AbcBYFQl (ORCPT ); Thu, 25 Feb 2016 00:16:41 -0500 To: Jens Axboe CC: , Sam Bradshaw , Selvan Mani , Rajesh Kumar Sambandam , Vignesh Gunasekaran From: Asai Thambi SP Subject: [PATCH v2 3/9] mtip32xx: Print exact time when an internal command is interrupted Message-ID: Date: Wed, 24 Feb 2016 21:16:38 -0800 User-Agent: Mozilla/5.0 (Windows NT 6.1; WOW64; rv:45.0) Gecko/20100101 Thunderbird/45.0 MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-TM-AS-Product-Ver: SMEX-11.0.0.4255-8.000.1202-22154.003 X-TM-AS-Result: No--8.017000-0.000000-31 X-TM-AS-User-Approved-Sender: Yes X-TM-AS-User-Blocked-Sender: No X-MT-CheckInternalSenderRule: True Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Print exact time when an internal command is interrupted. Signed-off-by: Selvan Mani Signed-off-by: Rajesh Kumar Sambandam Signed-off-by: Asai Thambi S P --- drivers/block/mtip32xx/mtip32xx.c | 8 ++++++-- 1 files changed, 6 insertions(+), 2 deletions(-) diff --git a/drivers/block/mtip32xx/mtip32xx.c b/drivers/block/mtip32xx/mtip32xx.c index be9ad9c..9ae4cc5 100644 --- a/drivers/block/mtip32xx/mtip32xx.c +++ b/drivers/block/mtip32xx/mtip32xx.c @@ -1092,6 +1092,7 @@ static int mtip_exec_internal_command(struct mtip_port *port, struct mtip_cmd *int_cmd; struct driver_data *dd = port->dd; int rv = 0; + unsigned long start; /* Make sure the buffer is 8 byte aligned. This is asic specific. */ if (buffer & 0x00000007) { @@ -1155,6 +1156,8 @@ static int mtip_exec_internal_command(struct mtip_port *port, /* Populate the command header */ int_cmd->command_header->byte_count = 0; + start = jiffies; + /* Issue the command to the hardware */ mtip_issue_non_ncq_command(port, MTIP_TAG_INTERNAL); @@ -1165,8 +1168,9 @@ static int mtip_exec_internal_command(struct mtip_port *port, msecs_to_jiffies(timeout))) <= 0) { if (rv == -ERESTARTSYS) { /* interrupted */ dev_err(&dd->pdev->dev, - "Internal command [%02X] was interrupted after %lu ms\n", - fis->command, timeout); + "Internal command [%02X] was interrupted after %u ms\n", + fis->command, + jiffies_to_msecs(jiffies - start)); rv = -EINTR; goto exec_ic_exit; } else if (rv == 0) /* timeout */ -- 1.7.1