tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
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linux
1// SPDX-License-Identifier: MIT
2/*
3 * Copyright © 2024 Intel Corporation
4 */
5
6#include <linux/atomic.h>
7
8#include <drm/drm_print.h>
9
10#include "xe_gt.h"
11#include "xe_gt_stats.h"
12
13/**
14 * xe_gt_stats_incr - Increments the specified stats counter
15 * @gt: GT structure
16 * @id: xe_gt_stats_id type id that needs to be incremented
17 * @incr: value to be incremented with
18 *
19 * Increments the specified stats counter.
20 */
21void xe_gt_stats_incr(struct xe_gt *gt, const enum xe_gt_stats_id id, int incr)
22{
23 if (id >= __XE_GT_STATS_NUM_IDS)
24 return;
25
26 atomic64_add(incr, >->stats.counters[id]);
27}
28
29static const char *const stat_description[__XE_GT_STATS_NUM_IDS] = {
30 "svm_pagefault_count",
31 "tlb_inval_count",
32 "vma_pagefault_count",
33 "vma_pagefault_kb",
34};
35
36/**
37 * xe_gt_stats_print_info - Print the GT stats
38 * @gt: GT structure
39 * @p: drm_printer where it will be printed out.
40 *
41 * This prints out all the available GT stats.
42 */
43int xe_gt_stats_print_info(struct xe_gt *gt, struct drm_printer *p)
44{
45 enum xe_gt_stats_id id;
46
47 for (id = 0; id < __XE_GT_STATS_NUM_IDS; ++id)
48 drm_printf(p, "%s: %lld\n", stat_description[id],
49 atomic64_read(>->stats.counters[id]));
50
51 return 0;
52}