From mboxrd@z Thu Jan 1 00:00:00 1970 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=-3.9 required=3.0 tests=DKIMWL_WL_HIGH,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, SPF_HELO_NONE,SPF_PASS,UNPARSEABLE_RELAY,USER_AGENT_GIT autolearn=no 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 5CE5BC33CB7 for ; Thu, 16 Jan 2020 17:52:49 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 2E868246A5 for ; Thu, 16 Jan 2020 17:52:49 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=oracle.com header.i=@oracle.com header.b="kULRKf1m" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2406139AbgAPRpP (ORCPT ); Thu, 16 Jan 2020 12:45:15 -0500 Received: from userp2130.oracle.com ([156.151.31.86]:45036 "EHLO userp2130.oracle.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2406126AbgAPRpO (ORCPT ); Thu, 16 Jan 2020 12:45:14 -0500 Received: from pps.filterd (userp2130.oracle.com [127.0.0.1]) by userp2130.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00GHhM2U035551; Thu, 16 Jan 2020 17:45:12 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : subject : date : message-id; s=corp-2019-08-05; bh=AljQ/NhiumK6kA+9Wc9w4HbMWFHvyBD05U5mYtzIXiI=; b=kULRKf1ml7UK6VQwd1eucYWDCxg2WDngWBQgvNClNI9rXtWg+mhwbkBSr9Wx+BA+3Flm 7xDmu40GaLBvyiYW6l8i3wJ/5yV12kRHxDPDB8cGLY5ihYjFTI4lHNtAFDKDB6431XZE rHEnT1RHn1ppuPKNcMIIVsAOkMMNSNPk6EIcAUNK0Lsuq5XODFyV1agNNld8WDq0g6yr BfpbFBQwYyq02PQSEb8EZR9X5GkX0C3BW6AoNauf/kYHFigYWExbhQ3GYv17wfexIEuS +AD8Jj3LXVYstM572FA25qNw+Ga/4QlYKAu2PQItL/FIm6oD+nzTc4/m9sUzaKXiiWq2 mw== Received: from userp3030.oracle.com (userp3030.oracle.com [156.151.31.80]) by userp2130.oracle.com with ESMTP id 2xf74sm1sk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jan 2020 17:45:12 +0000 Received: from pps.filterd (userp3030.oracle.com [127.0.0.1]) by userp3030.oracle.com (8.16.0.27/8.16.0.27) with SMTP id 00GHi5rs079459; Thu, 16 Jan 2020 17:45:11 GMT Received: from userv0122.oracle.com (userv0122.oracle.com [156.151.31.75]) by userp3030.oracle.com with ESMTP id 2xhy23r28v-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Thu, 16 Jan 2020 17:45:11 +0000 Received: from abhmp0014.oracle.com (abhmp0014.oracle.com [141.146.116.20]) by userv0122.oracle.com (8.14.4/8.14.4) with ESMTP id 00GHjAnn011862; Thu, 16 Jan 2020 17:45:11 GMT Received: from viboo.us.oracle.com (/10.132.94.91) by default (Oracle Beehive Gateway v4.0) with ESMTP ; Thu, 16 Jan 2020 09:45:10 -0800 From: Rajan Shanmugavelu To: linux-scsi@vger.kernel.org, martin.petersen@oracle.com, srinivas.eeda@oracle.com, joe.jin@oracle.com, dick.kennedy@broadcom.com, laurie.barry@broadcom.com, james.smart@broadcom.com Subject: Gather lpfc debug logs in kernel tracefs ringbuffer Date: Thu, 16 Jan 2020 09:44:24 -0800 Message-Id: <1579196665-13504-1-git-send-email-rajan.shanmugavelu@oracle.com> X-Mailer: git-send-email 1.8.3.1 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9502 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 suspectscore=0 malwarescore=0 phishscore=0 bulkscore=0 spamscore=0 mlxscore=0 mlxlogscore=966 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001160143 X-Proofpoint-Virus-Version: vendor=nai engine=6000 definitions=9502 signatures=668685 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 priorityscore=1501 malwarescore=0 suspectscore=0 phishscore=0 bulkscore=0 spamscore=0 clxscore=1011 lowpriorityscore=0 mlxscore=0 impostorscore=0 mlxlogscore=999 adultscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.0.1-1911140001 definitions=main-2001160143 Sender: linux-scsi-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-scsi@vger.kernel.org Having the lpfc debug logs inside a ring buffer enhances the driver to debug better/faster for hard to reproduce problem saving cyles. Please review. Thanks, Rajan Oracle Linux Engineering.