linux-yocto/drivers/gpu/drm/xe/xe_gt_stats.c
Nirmoy Das 39fa14e5bd 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: 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>
2024-08-12 19:08:53 +02:00

50 lines
1.1 KiB
C

// SPDX-License-Identifier: MIT
/*
* Copyright © 2024 Intel Corporation
*/
#include <linux/atomic.h>
#include <drm/drm_print.h>
#include "xe_gt.h"
#include "xe_gt_stats.h"
/**
* xe_gt_stats_incr - Increments the specified stats counter
* @gt: graphics tile
* @id: xe_gt_stats_id type id that needs to be incremented
* @incr: value to be incremented with
*
* Increments the specified stats counter.
*/
void xe_gt_stats_incr(struct xe_gt *gt, const enum xe_gt_stats_id id, int incr)
{
if (id >= __XE_GT_STATS_NUM_IDS)
return;
atomic_add(incr, &gt->stats.counters[id]);
}
static const char *const stat_description[__XE_GT_STATS_NUM_IDS] = {
"tlb_inval_count",
};
/**
* xe_gt_stats_print_info - Print the GT stats
* @gt: graphics tile
* @p: drm_printer where it will be printed out.
*
* This prints out all the available GT stats.
*/
int xe_gt_stats_print_info(struct xe_gt *gt, struct drm_printer *p)
{
enum xe_gt_stats_id id;
for (id = 0; id < __XE_GT_STATS_NUM_IDS; ++id)
drm_printf(p, "%s: %d\n", stat_description[id],
atomic_read(&gt->stats.counters[id]));
return 0;
}