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authorLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 17:12:13 -0700
committerLinus Torvalds <torvalds@linux-foundation.org>2013-07-03 17:12:13 -0700
commit7f0ef0267e20d62d45d527911a993b1e998f4968 (patch)
treede51abc7da5903f59d83e23937f22420164c9477 /include/trace
parent862f0012549110d6f2586bf54b52ed4540cbff3a (diff)
parent9307c29524502c21f0e8a6d96d850b2f5bc0bd9a (diff)
downloadop-kernel-dev-7f0ef0267e20d62d45d527911a993b1e998f4968.zip
op-kernel-dev-7f0ef0267e20d62d45d527911a993b1e998f4968.tar.gz
Merge branch 'akpm' (updates from Andrew Morton)
Merge first patch-bomb from Andrew Morton: - various misc bits - I'm been patchmonkeying ocfs2 for a while, as Joel and Mark have been distracted. There has been quite a bit of activity. - About half the MM queue - Some backlight bits - Various lib/ updates - checkpatch updates - zillions more little rtc patches - ptrace - signals - exec - procfs - rapidio - nbd - aoe - pps - memstick - tools/testing/selftests updates * emailed patches from Andrew Morton <akpm@linux-foundation.org>: (445 commits) tools/testing/selftests: don't assume the x bit is set on scripts selftests: add .gitignore for kcmp selftests: fix clean target in kcmp Makefile selftests: add .gitignore for vm selftests: add hugetlbfstest self-test: fix make clean selftests: exit 1 on failure kernel/resource.c: remove the unneeded assignment in function __find_resource aio: fix wrong comment in aio_complete() drivers/w1/slaves/w1_ds2408.c: add magic sequence to disable P0 test mode drivers/memstick/host/r592.c: convert to module_pci_driver drivers/memstick/host/jmb38x_ms: convert to module_pci_driver pps-gpio: add device-tree binding and support drivers/pps/clients/pps-gpio.c: convert to module_platform_driver drivers/pps/clients/pps-gpio.c: convert to devm_* helpers drivers/parport/share.c: use kzalloc Documentation/accounting/getdelays.c: avoid strncpy in accounting tool aoe: update internal version number to v83 aoe: update copyright date aoe: perform I/O completions in parallel ...
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/pagemap.h89
1 files changed, 89 insertions, 0 deletions
diff --git a/include/trace/events/pagemap.h b/include/trace/events/pagemap.h
new file mode 100644
index 0000000..1c9fabd
--- /dev/null
+++ b/include/trace/events/pagemap.h
@@ -0,0 +1,89 @@
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM pagemap
+
+#if !defined(_TRACE_PAGEMAP_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_PAGEMAP_H
+
+#include <linux/tracepoint.h>
+#include <linux/mm.h>
+
+#define PAGEMAP_MAPPED 0x0001u
+#define PAGEMAP_ANONYMOUS 0x0002u
+#define PAGEMAP_FILE 0x0004u
+#define PAGEMAP_SWAPCACHE 0x0008u
+#define PAGEMAP_SWAPBACKED 0x0010u
+#define PAGEMAP_MAPPEDDISK 0x0020u
+#define PAGEMAP_BUFFERS 0x0040u
+
+#define trace_pagemap_flags(page) ( \
+ (PageAnon(page) ? PAGEMAP_ANONYMOUS : PAGEMAP_FILE) | \
+ (page_mapped(page) ? PAGEMAP_MAPPED : 0) | \
+ (PageSwapCache(page) ? PAGEMAP_SWAPCACHE : 0) | \
+ (PageSwapBacked(page) ? PAGEMAP_SWAPBACKED : 0) | \
+ (PageMappedToDisk(page) ? PAGEMAP_MAPPEDDISK : 0) | \
+ (page_has_private(page) ? PAGEMAP_BUFFERS : 0) \
+ )
+
+TRACE_EVENT(mm_lru_insertion,
+
+ TP_PROTO(
+ struct page *page,
+ unsigned long pfn,
+ int lru,
+ unsigned long flags
+ ),
+
+ TP_ARGS(page, pfn, lru, flags),
+
+ TP_STRUCT__entry(
+ __field(struct page *, page )
+ __field(unsigned long, pfn )
+ __field(int, lru )
+ __field(unsigned long, flags )
+ ),
+
+ TP_fast_assign(
+ __entry->page = page;
+ __entry->pfn = pfn;
+ __entry->lru = lru;
+ __entry->flags = flags;
+ ),
+
+ /* Flag format is based on page-types.c formatting for pagemap */
+ TP_printk("page=%p pfn=%lu lru=%d flags=%s%s%s%s%s%s",
+ __entry->page,
+ __entry->pfn,
+ __entry->lru,
+ __entry->flags & PAGEMAP_MAPPED ? "M" : " ",
+ __entry->flags & PAGEMAP_ANONYMOUS ? "a" : "f",
+ __entry->flags & PAGEMAP_SWAPCACHE ? "s" : " ",
+ __entry->flags & PAGEMAP_SWAPBACKED ? "b" : " ",
+ __entry->flags & PAGEMAP_MAPPEDDISK ? "d" : " ",
+ __entry->flags & PAGEMAP_BUFFERS ? "B" : " ")
+);
+
+TRACE_EVENT(mm_lru_activate,
+
+ TP_PROTO(struct page *page, unsigned long pfn),
+
+ TP_ARGS(page, pfn),
+
+ TP_STRUCT__entry(
+ __field(struct page *, page )
+ __field(unsigned long, pfn )
+ ),
+
+ TP_fast_assign(
+ __entry->page = page;
+ __entry->pfn = pfn;
+ ),
+
+ /* Flag format is based on page-types.c formatting for pagemap */
+ TP_printk("page=%p pfn=%lu", __entry->page, __entry->pfn)
+
+);
+
+#endif /* _TRACE_PAGEMAP_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
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