From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
To: Andrea Arcangeli <aarcange@redhat.com>,
Andrew Morton <akpm@linux-foundation.org>
Cc: Al Viro <viro@zeniv.linux.org.uk>,
Hugh Dickins <hughd@google.com>,
Wu Fengguang <fengguang.wu@intel.com>, Jan Kara <jack@suse.cz>,
Mel Gorman <mgorman@suse.de>,
linux-mm@kvack.org, Andi Kleen <ak@linux.intel.com>,
Matthew Wilcox <willy@linux.intel.com>,
"Kirill A. Shutemov" <kirill@shutemov.name>,
Hillf Danton <dhillf@gmail.com>, Dave Hansen <dave@sr71.net>,
Ning Qu <quning@google.com>,
linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
"Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Subject: [PATCH 07/23] mm: trace filemap: dump page order
Date: Sun, 4 Aug 2013 05:17:09 +0300 [thread overview]
Message-ID: <1375582645-29274-8-git-send-email-kirill.shutemov@linux.intel.com> (raw)
In-Reply-To: <1375582645-29274-1-git-send-email-kirill.shutemov@linux.intel.com>
From: "Kirill A. Shutemov" <kirill.shutemov@linux.intel.com>
Dump page order to trace to be able to distinguish between small page
and huge page in page cache.
Signed-off-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com>
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
---
include/trace/events/filemap.h | 7 +++++--
1 file changed, 5 insertions(+), 2 deletions(-)
diff --git a/include/trace/events/filemap.h b/include/trace/events/filemap.h
index 0421f49..7e14b13 100644
--- a/include/trace/events/filemap.h
+++ b/include/trace/events/filemap.h
@@ -21,6 +21,7 @@ DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
__field(struct page *, page)
__field(unsigned long, i_ino)
__field(unsigned long, index)
+ __field(int, order)
__field(dev_t, s_dev)
),
@@ -28,18 +29,20 @@ DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
__entry->page = page;
__entry->i_ino = page->mapping->host->i_ino;
__entry->index = page->index;
+ __entry->order = compound_order(page);
if (page->mapping->host->i_sb)
__entry->s_dev = page->mapping->host->i_sb->s_dev;
else
__entry->s_dev = page->mapping->host->i_rdev;
),
- TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",
+ TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu order=%d",
MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
__entry->i_ino,
__entry->page,
page_to_pfn(__entry->page),
- __entry->index << PAGE_SHIFT)
+ __entry->index << PAGE_SHIFT,
+ __entry->order)
);
DEFINE_EVENT(mm_filemap_op_page_cache, mm_filemap_delete_from_page_cache,
--
1.8.3.2
--
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next prev parent reply other threads:[~2013-08-04 2:14 UTC|newest]
Thread overview: 58+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-08-04 2:17 [PATCHv5 00/23] Transparent huge page cache: phase 1, everything but mmap() Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 01/23] radix-tree: implement preload for multiple contiguous elements Kirill A. Shutemov
2013-08-05 11:17 ` Jan Kara
2013-08-06 16:34 ` Matthew Wilcox
2013-08-06 20:17 ` Jan Kara
2013-08-07 16:32 ` Kirill A. Shutemov
2013-08-07 20:00 ` Jan Kara
2013-08-07 20:24 ` Kirill A. Shutemov
2013-08-07 20:36 ` Jan Kara
2013-08-07 21:37 ` Kirill A. Shutemov
2013-08-08 8:45 ` Kirill A. Shutemov
2013-08-08 10:04 ` Jan Kara
2013-08-09 11:13 ` Kirill A. Shutemov
2013-08-09 11:36 ` Jan Kara
2013-08-04 2:17 ` [PATCH 02/23] memcg, thp: charge huge cache pages Kirill A. Shutemov
2013-08-04 8:25 ` Michal Hocko
2013-08-04 2:17 ` [PATCH 03/23] thp: compile-time and sysfs knob for thp pagecache Kirill A. Shutemov
2013-09-05 21:53 ` Ning Qu
2013-09-06 11:33 ` Kirill A. Shutemov
2013-09-06 17:14 ` Ning Qu
2013-08-04 2:17 ` [PATCH 04/23] thp, mm: introduce mapping_can_have_hugepages() predicate Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 05/23] thp: represent file thp pages in meminfo and friends Kirill A. Shutemov
2013-08-30 22:16 ` Ning Qu
2013-09-02 11:36 ` Kirill A. Shutemov
2013-09-02 20:05 ` Ning Qu
2013-08-04 2:17 ` [PATCH 06/23] thp, mm: rewrite add_to_page_cache_locked() to support huge pages Kirill A. Shutemov
2013-08-04 2:17 ` Kirill A. Shutemov [this message]
2013-08-04 2:17 ` [PATCH 08/23] block: implement add_bdi_stat() Kirill A. Shutemov
2013-08-05 11:21 ` Jan Kara
2013-08-04 2:17 ` [PATCH 09/23] thp, mm: rewrite delete_from_page_cache() to support huge pages Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 10/23] thp, mm: warn if we try to use replace_page_cache_page() with THP Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 11/23] thp, mm: handle tail pages in page_cache_get_speculative() Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 12/23] thp, mm: add event counters for huge page alloc on file write or read Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 13/23] thp, mm: allocate huge pages in grab_cache_page_write_begin() Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 14/23] thp, mm: naive support of thp in generic_perform_write Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 15/23] mm, fs: avoid page allocation beyond i_size on read Kirill A. Shutemov
2013-08-05 0:29 ` NeilBrown
2013-08-04 2:17 ` [PATCH 16/23] thp, mm: handle transhuge pages in do_generic_file_read() Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 17/23] thp, libfs: initial thp support Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 18/23] thp: libfs: introduce simple_thp_release() Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 19/23] truncate: support huge pages Kirill A. Shutemov
2013-08-05 13:29 ` Jan Kara
2013-08-06 20:23 ` Dave Hansen
2013-08-06 20:57 ` Kirill A. Shutemov
2013-08-06 21:55 ` Dave Hansen
2013-08-09 14:39 ` Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 20/23] thp: handle file pages in split_huge_page() Kirill A. Shutemov
2013-08-06 19:09 ` Ning Qu
2013-08-06 21:09 ` Ning Qu
2013-08-06 21:47 ` Ning Qu
2013-08-09 14:46 ` Kirill A. Shutemov
2013-08-09 14:49 ` Ning Qu
2013-08-09 21:24 ` Ning Qu
2013-08-04 2:17 ` [PATCH 21/23] thp: wait_split_huge_page(): serialize over i_mmap_mutex too Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 22/23] thp, mm: split huge page on mmap file page Kirill A. Shutemov
2013-08-08 20:49 ` Khalid Aziz
2013-08-09 14:50 ` Kirill A. Shutemov
2013-08-04 2:17 ` [PATCH 23/23] ramfs: enable transparent huge page cache Kirill A. Shutemov
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