linux-kernel - [PATCH] scsi: trace: change the rtn log in hex format

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Message-ID: <20250507070714.2387602-1-quic_yingangl@quicinc.com>
Date: Wed, 7 May 2025 15:07:14 +0800
From: Kassey Li <quic_yingangl@...cinc.com>
To: <rostedt@...dmis.org>, <mhiramat@...nel.org>,
        <mathieu.desnoyers@...icios.com>, <linux-kernel@...r.kernel.org>,
        <linux-trace-kernel@...r.kernel.org>
CC: <quic_yingangl@...cinc.com>
Subject: [PATCH] scsi: trace: change the rtn log in hex format

In default it showed rtn in decimal.

kworker/3:1H-183 [003] ....  51.035474: scsi_dispatch_cmd_error: host_no=0 channel=0 id=0 lun=4 data_sgl=1  prot_sgl=0 prot_op=SCSI_PROT_NORMAL cmnd=(READ_10 lba=3907214  txlen=1 protect=0 raw=28 00 00 3b 9e 8e 00 00 01 00) rtn=4181

In source code we define these possible value as hexadecimal:

include/scsi/scsi.h

SCSI_MLQUEUE_HOST_BUSY   0x1055
SCSI_MLQUEUE_DEVICE_BUSY 0x1056
SCSI_MLQUEUE_EH_RETRY    0x1057
SCSI_MLQUEUE_TARGET_BUSY 0x1058

This change converts the rtn in hexadecimal.

Signed-off-by: Kassey Li <quic_yingangl@...cinc.com>
---
 include/trace/events/scsi.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/include/trace/events/scsi.h b/include/trace/events/scsi.h
index bf6cc98d9122..a4c089ac834c 100644
--- a/include/trace/events/scsi.h
+++ b/include/trace/events/scsi.h
@@ -240,7 +240,7 @@ TRACE_EVENT(scsi_dispatch_cmd_error,
 
 	TP_printk("host_no=%u channel=%u id=%u lun=%u data_sgl=%u prot_sgl=%u" \
 		  " prot_op=%s driver_tag=%d scheduler_tag=%d cmnd=(%s %s raw=%s)" \
-		  " rtn=%d",
+		  " rtn=0x%x",
 		  __entry->host_no, __entry->channel, __entry->id,
 		  __entry->lun, __entry->data_sglen, __entry->prot_sglen,
 		  show_prot_op_name(__entry->prot_op), __entry->driver_tag,
-- 
2.34.1