Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit 09017188 authored by Zang Leigang's avatar Zang Leigang Committed by Martin K. Petersen
Browse files

scsi: ufs: add ufs a command complete time stamp 



Signed-off-by: default avatarZang Leigang <zangleigang@hisilicon.com>
Reviewed-by: default avatarSubhash Jadavani <subhashj@codeaurora.org>
Signed-off-by: default avatarMartin K. Petersen <martin.petersen@oracle.com>
parent 479da360

drivers/scsi/ufs/ufshcd.c

+5 −0
Original line number Diff line number Diff line
@@ -385,6 +385,8 @@ void ufshcd_print_trs(struct ufs_hba *hba, unsigned long bitmap, bool pr_prdt) 


		dev_err(hba->dev, "UPIU[%d] - issue time %lld us\n",

				tag, ktime_to_us(lrbp->issue_time_stamp));

		dev_err(hba->dev, "UPIU[%d] - complete time %lld us\n",

				tag, ktime_to_us(lrbp->compl_time_stamp));

		dev_err(hba->dev,

			"UPIU[%d] - Transfer Request Descriptor phys@0x%llx\n",

			tag, (u64)lrbp->utrd_dma_addr);
@@ -1746,6 +1748,7 @@ static inline 
void ufshcd_send_command(struct ufs_hba *hba, unsigned int task_tag)

{

	hba->lrb[task_tag].issue_time_stamp = ktime_get();

	hba->lrb[task_tag].compl_time_stamp = ktime_set(0, 0);

	ufshcd_clk_scaling_start_busy(hba);

	__set_bit(task_tag, &hba->outstanding_reqs);

	ufshcd_writel(hba, 1 << task_tag, REG_UTP_TRANSFER_REQ_DOOR_BELL);
@@ -4627,6 +4630,8 @@ static void __ufshcd_transfer_req_compl(struct ufs_hba *hba, 
		}

		if (ufshcd_is_clkscaling_supported(hba))

			hba->clk_scaling.active_reqs--;



		lrbp->compl_time_stamp = ktime_get();

	}



	/* clear corresponding bits of completed commands */

drivers/scsi/ufs/ufshcd.h

+2 −0
Original line number Diff line number Diff line
@@ -166,6 +166,7 @@ struct ufs_pm_lvl_states { 
 * @lun: LUN of the command

 * @intr_cmd: Interrupt command (doesn't participate in interrupt aggregation)

 * @issue_time_stamp: time stamp for debug purposes

 * @compl_time_stamp: time stamp for statistics

 * @req_abort_skip: skip request abort task flag

 */

struct ufshcd_lrb {
@@ -189,6 +190,7 @@ struct ufshcd_lrb { 
	u8 lun; /* UPIU LUN id field is only 8-bit wide */

	bool intr_cmd;

	ktime_t issue_time_stamp;

	ktime_t compl_time_stamp;



	bool req_abort_skip;

};