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drm/xe: Add stats for tlb invalidation count

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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: Tejas Upadhyay <tejas.upadhyay@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240810191522.18616-2-nirmoy.das@intel.com
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
This commit is contained in:
Nirmoy Das 2024-08-10 21:15:19 +02:00
parent acc4e41ec4
commit 39fa14e5bd
3 changed files with 4 additions and 0 deletions
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1
drivers/gpu/drm/xe/xe_gt_stats.c
View File

@ -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",
};
/**

1
drivers/gpu/drm/xe/xe_gt_stats.h
View File

@ -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,
};

2
drivers/gpu/drm/xe/xe_gt_tlb_invalidation.c
View File

@ -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;
}