From patchwork Thu Nov 30 02:33:57 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Karan Tilak Kumar (kartilak)" X-Patchwork-Id: 13473991 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=cisco.com header.i=@cisco.com header.b="AtWGu9iu" Received: from rcdn-iport-3.cisco.com (rcdn-iport-3.cisco.com [173.37.86.74]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 84F5810CB; Wed, 29 Nov 2023 18:36:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=cisco.com; i=@cisco.com; l=2379; q=dns/txt; s=iport; t=1701311770; x=1702521370; h=from:to:cc:subject:date:message-id:in-reply-to: references:mime-version:content-transfer-encoding; bh=aqgGUKGQBVUTfW7p4uxQ1YKLQ3kFd6K4NBe7f3cePAw=; b=AtWGu9iu2ki68EZ96tqrR1IMG8h/DZtMMzfCuIjnOBPIi8DEZ+cJHBgg l9OSxDEJqrzr5z8op9SUqWHT+WQkbI4ILswoQwy0oIyk7nh3TKsJyLKN3 JxGZ54inL+HdJbq94Qx6uiCzoalKVeqkv3OD+3TmVjR5a2NMhWzUneCfp U=; X-CSE-ConnectionGUID: MTGpEXbsTL+9/g75AfG7Ug== X-CSE-MsgGUID: dlAFGFb1QQiO7oCkvfW+0w== X-IronPort-AV: E=Sophos;i="6.04,237,1695686400"; d="scan'208";a="149776938" Received: from rcdn-core-9.cisco.com ([173.37.93.145]) by rcdn-iport-3.cisco.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 30 Nov 2023 02:36:10 +0000 Received: from localhost.cisco.com ([10.193.101.253]) (authenticated bits=0) by rcdn-core-9.cisco.com (8.15.2/8.15.2) with ESMTPSA id 3AU2YA4A007614 (version=TLSv1.2 cipher=DHE-RSA-AES256-GCM-SHA384 bits=256 verify=NO); Thu, 30 Nov 2023 02:36:09 GMT From: Karan Tilak Kumar To: sebaddel@cisco.com Cc: arulponn@cisco.com, djhawar@cisco.com, gcboffa@cisco.com, mkai2@cisco.com, satishkh@cisco.com, jejb@linux.ibm.com, martin.petersen@oracle.com, linux-scsi@vger.kernel.org, linux-kernel@vger.kernel.org, Karan Tilak Kumar , Hannes Reinecke Subject: [PATCH v4 08/13] scsi: fnic: Define stats to track multiqueue (MQ) IOs Date: Wed, 29 Nov 2023 18:33:57 -0800 Message-Id: <20231130023402.802282-9-kartilak@cisco.com> X-Mailer: git-send-email 2.31.1 In-Reply-To: <20231130023402.802282-1-kartilak@cisco.com> References: <20231130023402.802282-1-kartilak@cisco.com> Precedence: bulk X-Mailing-List: linux-scsi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Authenticated-User: kartilak@cisco.com X-Outbound-SMTP-Client: 10.193.101.253, [10.193.101.253] X-Outbound-Node: rcdn-core-9.cisco.com Define an array to track IOs for the different queues, print the IO stats in fnic get stats data. Reviewed-by: Sesidhar Baddela Reviewed-by: Arulprabhu Ponnusamy Reviewed-by: Hannes Reinecke Signed-off-by: Karan Tilak Kumar --- drivers/scsi/fnic/fnic_stats.h | 2 ++ drivers/scsi/fnic/fnic_trace.c | 11 +++++++++++ 2 files changed, 13 insertions(+) diff --git a/drivers/scsi/fnic/fnic_stats.h b/drivers/scsi/fnic/fnic_stats.h index 07d1556e3c32..9d7f98c452dd 100644 --- a/drivers/scsi/fnic/fnic_stats.h +++ b/drivers/scsi/fnic/fnic_stats.h @@ -2,6 +2,7 @@ /* Copyright 2013 Cisco Systems, Inc. All rights reserved. */ #ifndef _FNIC_STATS_H_ #define _FNIC_STATS_H_ +#define FNIC_MQ_MAX_QUEUES 64 struct stats_timestamps { struct timespec64 last_reset_time; @@ -26,6 +27,7 @@ struct io_path_stats { atomic64_t io_btw_10000_to_30000_msec; atomic64_t io_greater_than_30000_msec; atomic64_t current_max_io_time; + atomic64_t ios[FNIC_MQ_MAX_QUEUES]; }; struct abort_stats { diff --git a/drivers/scsi/fnic/fnic_trace.c b/drivers/scsi/fnic/fnic_trace.c index be0d7c57b242..aaa4ea02fb7c 100644 --- a/drivers/scsi/fnic/fnic_trace.c +++ b/drivers/scsi/fnic/fnic_trace.c @@ -204,6 +204,7 @@ int fnic_get_stats_data(struct stats_debug_info *debug, int len = 0; int buf_size = debug->buf_size; struct timespec64 val1, val2; + int i = 0; ktime_get_real_ts64(&val1); len = scnprintf(debug->debug_buffer + len, buf_size - len, @@ -266,6 +267,16 @@ int fnic_get_stats_data(struct stats_debug_info *debug, (u64)atomic64_read(&stats->io_stats.io_btw_10000_to_30000_msec), (u64)atomic64_read(&stats->io_stats.io_greater_than_30000_msec)); + len += scnprintf(debug->debug_buffer + len, buf_size - len, + "------------------------------------------\n" + "\t\tIO Queues and cumulative IOs\n" + "------------------------------------------\n"); + + for (i = 0; i < FNIC_MQ_MAX_QUEUES; i++) { + len += scnprintf(debug->debug_buffer + len, buf_size - len, + "Q:%d -> %lld\n", i, (u64)atomic64_read(&stats->io_stats.ios[i])); + } + len += scnprintf(debug->debug_buffer + len, buf_size - len, "\nCurrent Max IO time : %lld\n", (u64)atomic64_read(&stats->io_stats.current_max_io_time));