Commit 39fa14e5 authored by Nirmoy Das's avatar Nirmoy Das
Browse files

drm/xe: Add stats for tlb invalidation count 



Add stats for tlb invalidation count which can be viewed with per GT
stat debugfs file.

Example output:
cat /sys/kernel/debug/dri/0/gt0/stats
tlb_inval_count: 22

v2: fix #include order(Tejas)

Cc: Lucas De Marchi <lucas.demarchi@intel.com>
Cc: Matthew Brost <matthew.brost@intel.com>
Cc: Michal Wajdeczko <michal.wajdeczko@intel.com>
Cc: Sai Gowtham Ch <sai.gowtham.ch@intel.com>
Reviewed-by: default avatarTejas Upadhyay <tejas.upadhyay@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240810191522.18616-2-nirmoy.das@intel.com


Signed-off-by: default avatarNirmoy Das <nirmoy.das@intel.com>
parent acc4e41e

drivers/gpu/drm/xe/xe_gt_stats.c

+1 −0
Original line number Diff line number Diff line
@@ -27,6 +27,7 @@ void xe_gt_stats_incr(struct xe_gt *gt, const enum xe_gt_stats_id id, int incr) 
}



static const char *const stat_description[__XE_GT_STATS_NUM_IDS] = {

	"tlb_inval_count",

};



/**

drivers/gpu/drm/xe/xe_gt_stats.h

+1 −0
Original line number Diff line number Diff line
@@ -10,6 +10,7 @@ struct xe_gt; 
struct drm_printer;



enum xe_gt_stats_id {

	XE_GT_STATS_ID_TLB_INVAL,

	/* must be the last entry */

	__XE_GT_STATS_NUM_IDS,

};

drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c

+2 −0
Original line number Diff line number Diff line
@@ -12,6 +12,7 @@ 
#include "xe_gt_printk.h"

#include "xe_guc.h"

#include "xe_guc_ct.h"

#include "xe_gt_stats.h"

#include "xe_mmio.h"

#include "xe_pm.h"

#include "xe_sriov.h"
@@ -213,6 +214,7 @@ static int send_tlb_invalidation(struct xe_guc *guc, 
			gt->tlb_invalidation.seqno = 1;

	}

	mutex_unlock(&guc->ct.lock);

	xe_gt_stats_incr(gt, XE_GT_STATS_ID_TLB_INVAL, 1);



	return ret;

}