| /linux/tools/perf/pmu-events/arch/x86/elkhartlake/ |
| H A D | virtual-memory.json | 3 …"BriefDescription": "Counts the number of page walks due to loads that miss the PDE (Page Director…
11 … second level hits due to a demand load that did not start a page walk. Account for all page sizes…
19 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to any page…
23 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
28 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 1G pag…
32 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
37 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 2M or …
41 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
46 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 4K pag…
50 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/snowridgex/ |
| H A D | virtual-memory.json | 3 …"BriefDescription": "Counts the number of page walks due to loads that miss the PDE (Page Director…
11 … second level hits due to a demand load that did not start a page walk. Account for all page sizes…
19 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to any page…
23 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
28 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 1G pag…
32 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
37 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 2M or …
41 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
46 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 4K pag…
50 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/meteorlake/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Counts the number of first level TLB misses but second level hits due to a demand load that did not start a page walk. Accounts for all page sizes. Will result in a DTLB write from STLB.",
22 "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
27 "PublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page walk for a demand load.",
33 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses.",
42 "BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page sizes)",
46 "PublicDescription": "Counts completed page walks (all page size
[all...] |
| /linux/tools/perf/pmu-events/arch/x86/arrowlake/ |
| H A D | virtual-memory.json | 3 …"BriefDescription": "Counts the number of page walks initiated by a demand load that missed the fi…
21 …second level hits due to a demand load that did not start a page walk. Accounts for all page sizes…
40 …second level hits due to a demand load that did not start a page walk. Accounts for all page sizes…
49 … "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
54 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
60 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to any page…
64 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
70 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
74 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
80 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses.",
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/skylake/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Load misses in all DTLB levels that cause page walks",
7 …"PublicDescription": "Counts demand data loads that caused a page walk of any page size (4K/2M/4M/…
21 …efDescription": "Cycles when at least one PMH is busy with a page walk for a load. EPT page walk d…
26 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
31 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
35 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
40 "BriefDescription": "Page walk completed due to a demand data load to a 1G page",
44 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
49 "BriefDescription": "Page walk completed due to a demand data load to a 2M/4M page",
53 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/skylakex/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Load misses in all DTLB levels that cause page walks",
7 …"PublicDescription": "Counts demand data loads that caused a page walk of any page size (4K/2M/4M/…
21 …efDescription": "Cycles when at least one PMH is busy with a page walk for a load. EPT page walk d…
26 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
31 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
35 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
40 "BriefDescription": "Page walk completed due to a demand data load to a 1G page",
44 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
49 "BriefDescription": "Page walk completed due to a demand data load to a 2M/4M page",
53 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/cascadelakex/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Load misses in all DTLB levels that cause page walks",
7 …"PublicDescription": "Counts demand data loads that caused a page walk of any page size (4K/2M/4M/…
21 …efDescription": "Cycles when at least one PMH is busy with a page walk for a load. EPT page walk d…
26 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
31 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
35 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
40 "BriefDescription": "Page walk completed due to a demand data load to a 1G page",
44 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
49 "BriefDescription": "Page walk completed due to a demand data load to a 2M/4M page",
53 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/alderlake/ |
| H A D | virtual-memory.json | 13 "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
18 "PublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page walk for a demand load.",
24 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses to any page size.",
28 "PublicDescription": "Counts the number of page walks completed due to loads (including SW prefetches) whose address translations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page size. Includes page walks that page fault.",
34 "BriefDescription": "Load miss in all TLB levels causes a page wal
[all...] |
| /linux/tools/perf/pmu-events/arch/x86/lunarlake/ |
| H A D | virtual-memory.json | 3 …"BriefDescription": "Counts the number of page walks initiated by a demand load that missed the fi…
21 …second level hits due to a demand load that did not start a page walk. Accounts for all page sizes…
40 … "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
45 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
51 …"BriefDescription": "Counts the number of page walks completed due to load DTLB misses to any page…
55 …page walks completed due to loads (including SW prefetches) whose address translations missed in a…
61 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
65 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
71 "BriefDescription": "Page walks completed due to a demand data load to a 1G page.",
75 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
[all …]
|
| /linux/Documentation/trace/ |
| H A D | ring-buffer-design.rst | 40 - A page outside the ring buffer used solely (for the most part)
44 - a pointer to the page that the reader will use next
47 - a pointer to the page that will be written to next
50 - a pointer to the page with the last finished non-nested write.
110 At initialization a reader page is allocated for the reader that is not
114 to the same page.
116 The reader page is initialized to have its next pointer pointing to
117 the head page, and its previous pointer pointing to a page before
118 the head page.
120 The reader has its own page to use. At start up time, this page is
[all …]
|
| /linux/Documentation/mm/ |
| H A D | page_migration.rst | 2 Page migration
5 Page migration allows moving the physical location of pages between
13 The main intent of page migration is to reduce the latency of memory accesses
17 Page migration allows a process to manually relocate the node on which its
23 Page migration functions are provided by the numactl package by Andi Kleen
26 which provides an interface similar to other NUMA functionality for page
29 proc(5) man page.
35 manual page migration support. Automatic page migration may be implemented
52 Page migration allows the preservation of the relative location of pages
58 Page migration occurs in several steps. First a high level
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/sapphirerapids/ |
| H A D | virtual-memory.json | 12 … "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
17 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
22 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
26 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
31 "BriefDescription": "Page walks completed due to a demand data load to a 1G page.",
35 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
40 "BriefDescription": "Page walks completed due to a demand data load to a 2M/4M page.",
44 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
49 "BriefDescription": "Page walks completed due to a demand data load to a 4K page.",
53 …leted page walks (4K sizes) caused by demand data loads. This implies address translations missed…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/graniterapids/ |
| H A D | virtual-memory.json | 12 … "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
17 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
22 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
26 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
31 "BriefDescription": "Page walks completed due to a demand data load to a 1G page.",
35 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
40 "BriefDescription": "Page walks completed due to a demand data load to a 2M/4M page.",
44 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
49 "BriefDescription": "Page walks completed due to a demand data load to a 4K page.",
53 …leted page walks (4K sizes) caused by demand data loads. This implies address translations missed…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/emeraldrapids/ |
| H A D | virtual-memory.json | 12 … "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
17 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
22 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
26 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
31 "BriefDescription": "Page walks completed due to a demand data load to a 1G page.",
35 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
40 "BriefDescription": "Page walks completed due to a demand data load to a 2M/4M page.",
44 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
49 "BriefDescription": "Page walks completed due to a demand data load to a 4K page.",
53 …leted page walks (4K sizes) caused by demand data loads. This implies address translations missed…
[all …]
|
| /linux/include/linux/ |
| H A D | highmem.h | 17 * kmap - Map a page for long term usage
18 * @page: Pointer to the page to be mapped
37 static inline void *kmap(struct page *page);
41 * @page: Pointer to the page which was mapped by kmap()
46 static inline void kunmap(const struct page *page);
49 * kmap_to_page - Get the page for a kmap'ed address
52 * Returns: The page which is mapped to @addr.
54 static inline struct page *kmap_to_page(void *addr);
63 * kmap_local_page - Map a page for temporary usage
64 * @page: Pointer to the page to be mapped
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/pantherlake/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Counts the number of page walks initiated by a demand load that missed the first and second level TLBs.",
12 "BriefDescription": "Counts the number of first level TLB misses but second level hits due to a demand load that did not start a page walk. Accounts for all page sizes. Will result in a DTLB write from STLB.",
31 "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
36 "PublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page walk for a demand load.",
42 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses to any page size.",
46 "PublicDescription": "Counts the number of page walks completed due to loads (including SW prefetches) whose address translations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to any page siz
[all...] |
| /linux/tools/perf/pmu-events/arch/x86/icelakex/ |
| H A D | virtual-memory.json | 12 … "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
17 …ublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page wa…
22 …"BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page size…
26 …s completed page walks (all page sizes) caused by demand data loads. This implies it missed in th…
31 "BriefDescription": "Page walks completed due to a demand data load to a 1G page.",
35 …leted page walks (1G sizes) caused by demand data loads. This implies address translations missed…
40 "BriefDescription": "Page walks completed due to a demand data load to a 2M/4M page.",
44 …eted page walks (2M/4M sizes) caused by demand data loads. This implies address translations miss…
49 "BriefDescription": "Page walks completed due to a demand data load to a 4K page.",
53 …leted page walks (4K sizes) caused by demand data loads. This implies address translations missed…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/goldmontplus/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Page walk completed due to a demand load to a 1GB page",
7 …page walks completed due to demand data loads (including SW prefetches) whose address translations…
12 "BriefDescription": "Page walk completed due to a demand load to a 2M or 4M page",
16 …page walks completed due to demand data loads (including SW prefetches) whose address translations…
21 "BriefDescription": "Page walk completed due to a demand load to a 4K page",
25 …page walks completed due to demand data loads (including SW prefetches) whose address translations…
30 "BriefDescription": "Page walks outstanding due to a demand load every cycle.",
34 …cycle for each page walk occurring due to a load (demand data loads or SW prefetches). Includes cy…
39 "BriefDescription": "Page walk completed due to a demand data store to a 1GB page",
43 …page walks completed due to demand data stores whose address translations missed in the TLB and we…
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/grandridge/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Counts the number of first level TLB misses but second level hits due to a demand load that did not start a page walk. Accounts for all page sizes. Will result in a DTLB write from STLB.",
11 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses.",
19 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 2M or 4M page.",
23 "PublicDescription": "Counts the number of page walks completed due to loads (including SW prefetches) whose address translations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 2M or 4M pages. Includes page walks that page fault.",
28 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 4K page
[all...] |
| /linux/tools/perf/pmu-events/arch/x86/sierraforest/ |
| H A D | virtual-memory.json | 3 "BriefDescription": "Counts the number of first level TLB misses but second level hits due to a demand load that did not start a page walk. Accounts for all page sizes. Will result in a DTLB write from STLB.",
11 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses.",
19 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 2M or 4M page.",
23 "PublicDescription": "Counts the number of page walks completed due to loads (including SW prefetches) whose address translations missed in all Translation Lookaside Buffer (TLB) levels and were mapped to 2M or 4M pages. Includes page walks that page fault.",
28 "BriefDescription": "Counts the number of page walks completed due to load DTLB misses to a 4K page
[all...] |
| /linux/include/trace/events/ |
| H A D | page_ref.h | 15 TP_PROTO(struct page *page, int v),
17 TP_ARGS(page, v),
30 __entry->pfn = page_to_pfn(page);
31 __entry->flags = page->flags.f;
32 __entry->count = page_ref_count(page);
33 __entry->mapcount = atomic_read(&page->_mapcount);
34 __entry->mapping = page->mapping;
35 __entry->mt = get_pageblock_migratetype(page);
49 TP_PROTO(struct page *page, int v),
51 TP_ARGS(page, v)
[all …]
|
| /linux/mm/ |
| H A D | page_alloc.c | 13 * Per cpu hot/cold page lists, bulk allocation, Martin J. Bligh, Sept 2002
64 /* Free Page Internal flags: for internal, non-pcp variants of free_pages(). */
71 * Skip free page reporting notification for the (possibly merged) page.
72 * This does not hinder free page reporting from grabbing the page,
74 * the free page reporting infrastructure about a newly freed page. For
75 * example, used when temporarily pulling a page from a freelist and
81 * Place the (possibly merged) page to the tail of the freelist. Will ignore
82 * page shuffling (relevant code - e.g., memory onlining - is expected to
87 * (memory onlining) or untouched pages (page isolation, free page
92 /* Free the page without taking locks. Rely on trylock only. */
[all …]
|
| H A D | folio-compat.c | 14 void unlock_page(struct page *page) in unlock_page() argument
16 return folio_unlock(page_folio(page)); in unlock_page()
20 void end_page_writeback(struct page *page) in end_page_writeback() argument
22 return folio_end_writeback(page_folio(page)); in end_page_writeback()
26 void wait_on_page_writeback(struct page *page) in wait_on_page_writeback() argument
28 return folio_wait_writeback(page_folio(page)); in wait_on_page_writeback()
32 void mark_page_accessed(struct page *page) in mark_page_accessed() argument
34 folio_mark_accessed(page_folio(page)); in mark_page_accessed()
38 void set_page_writeback(struct page *page) in set_page_writeback() argument
40 folio_start_writeback(page_folio(page)); in set_page_writeback()
[all …]
|
| H A D | memory-failure.c | 13 * Handles page cache pages in various states. The tricky part
14 * here is that we can access any page asynchronously in respect to
26 * - The case actually shows up as a frequent (top 10) page state in
27 * tools/mm/page-types when running a real workload.
42 #include <linux/page-flags.h>
179 * 1: the page is dissolved (if needed) and taken off from buddy,
180 * 0: the page is dissolved (if needed) and not taken off from buddy,
183 static int __page_handle_poison(struct page *page) in __page_handle_poison() argument
187 zone_pcp_disable(page_zone(page)); in __page_handle_poison()
188 ret = dissolve_free_hugetlb_folio(page_folio(page)); in __page_handle_poison()
[all …]
|
| /linux/tools/perf/pmu-events/arch/x86/tigerlake/ |
| H A D | virtual-memory.json | 12 "BriefDescription": "Cycles when at least one PMH is busy with a page walk for a demand load.",
17 "PublicDescription": "Counts cycles when at least one PMH (Page Miss Handler) is busy with a page walk for a demand load.",
22 "BriefDescription": "Load miss in all TLB levels causes a page walk that completes. (All page sizes)",
26 "PublicDescription": "Counts completed page walks (all page sizes) caused by demand data loads. This implies it missed in the DTLB and further levels of TLB. The page walk can end with or without a fault.",
31 "BriefDescription": "Page walks completed due to a demand data load to a 1G page
[all...] |