linux-kernel - [PATCH] scsi:ufs:core: update compl_time_stamp_local

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Message-ID: <1733313004-350420-1-git-send-email-liuderong@oppo.com>
Date: Wed, 4 Dec 2024 19:50:04 +0800
From: <liuderong@...o.com>
To: <alim.akhtar@...sung.com>, <avri.altman@....com>, <bvanassche@....org>,
	<James.Bottomley@...senPartnership.com>, <martin.petersen@...cle.com>,
	<peter.wang@...iatek.com>, <manivannan.sadhasivam@...aro.org>,
	<ahalaney@...hat.com>, <beanhuo@...ron.com>, <quic_mnaresh@...cinc.com>
CC: <linux-scsi@...r.kernel.org>, <linux-kernel@...r.kernel.org>, liuderong
	<liuderong@...o.com>
Subject: [PATCH] scsi:ufs:core: update compl_time_stamp_local_clock after complete a cqe

From: liuderong <liuderong@...o.com>

For now, lrbp->compl_time_stamp_local_clock is set to zero
after send a sqe, but it is not updated after complete a cqe,
the printed information in ufshcd_print_tr will always be zero.
So update lrbp->cmpl_time_stamp_local_clock after complete a cqe.

Log sample:
ufshcd-qcom 1d84000.ufshc: UPIU[8] - issue time 8750227249 us
ufshcd-qcom 1d84000.ufshc: UPIU[8] - complete time 0 us

Signed-off-by: liuderong <liuderong@...o.com>
---
 drivers/ufs/core/ufshcd.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/drivers/ufs/core/ufshcd.c b/drivers/ufs/core/ufshcd.c
index 6a26853..bd70fe1 100644
--- a/drivers/ufs/core/ufshcd.c
+++ b/drivers/ufs/core/ufshcd.c
@@ -5519,6 +5519,7 @@ void ufshcd_compl_one_cqe(struct ufs_hba *hba, int task_tag,
 
 	lrbp = &hba->lrb[task_tag];
 	lrbp->compl_time_stamp = ktime_get();
+	lrbp->compl_time_stamp_local_clock = local_clock();
 	cmd = lrbp->cmd;
 	if (cmd) {
 		if (unlikely(ufshcd_should_inform_monitor(hba, lrbp)))
-- 
2.7.4