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Bionic unit/cts tests need use static version of libpagemap
to avoid depending on internal android library.
Test: mm && run pagemap_static_test
Bug: http://b/22182538
Change-Id: Ic8b4e74565f77a71540e8cb2c7f9dc67f8d5e10c
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Use the uapi ones instead, so I don't have to think about whether ours
are correct.
Bug: http://b/31044648
Change-Id: Ibe4a078ad3223419301a5f585e8ed24dd7366ce2
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Bug: 30774296
Change-Id: I44005caaa3cc17fe829f375a4cfeb5a464c97fbe
(cherry picked from commit 98a20cd1283b6ee029e871c0876815300475c40a)
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Change-Id: I551a7f7ce46267bb609e5ed8bd8dafc00b9fbab7
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Bug: 28705665
Change-Id: I3a40229aeba12b3fb643770c92039a2af1e4a441
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am: 5dc5241d77
* commit '5dc5241d7785569a6a4b65df475ac9451cdfe531':
Fix pagemap_test#maps.
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We don't necessarily have a brk-based heap.
Bug: http://b/27425642
Change-Id: Iac30904ba35c645afe9b056de8df975ebce92a37
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Bug: http://b/26936282
Change-Id: I1b9c6c9bb06944c32abcb871279d056eea0fb11a
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am: 6ca5d69923
* commit '6ca5d6992307ac6d063e4a7a1f0457afb88e033c':
procrank: add proportional swap accounting
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Shared pages are reported in each of the sharing process swapped pages.
Compute a proportional swap usage to get a meaningful value of what each
process has in swap. Report also process unique pages swapped out.
In case ZRAM is used compute the compression ration and report the
actual RAM use of the swapped pages.
Bug: 25392275
Change-Id: I3a28c7812a09a02e1a604593615f5c6ad0340f9f
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Bug: 25392275
Change-Id: I6d2a0b03abba555b3667f6ccf12896caeecf27aa
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Bug: http://b/24212024
Change-Id: If00782c7af6fde30650045180512132ee5a8fd89
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Do free and fclose when error occur.
Change-Id: Ifc611579cf919eeb3fbbf1dff70e7f851a26e083
Signed-off-by: Daegeun Song <daegeun.song@lge.com>
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This reverts commit 4bf06a51869f49d7ee3fb0163a2517ec5e33ba1f.
Bug: 17360804
Bug: 17332389
Change-Id: I7e4d55215f391f5b3f71388943e9d95e5eff6f81
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see comment above pagemap_read() from the kernel
Bug: 17332389
Change-Id: Iaec9a2c8d2783f5c1e7ba06d9c7156305abe0453
Signed-off-by: Daniel Rosenberg <drosen@google.com>
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Use uint64_t and lseek64 to handle 64-bit virtual addresses
when libpagemap is compiled as a 32-bit library.
Change-Id: Ie4b6c7ef05aac604011f3ee28b059d9dfcd63edb
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libpagemap was storing a virtual pfn in an int, which works on arm64
with 39 bits of virtual address space but fails on x86_64. Use an
unsigned long instead.
Fixes errors when running procrank on x86_64:
warning: could not read usage for 1
Change-Id: I171c8ee49faa51accf3c1bb69059d549aee04979
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/proc/pid/maps may report a zero-length memory region for a 4kB
PROT_GROWSDOWN region because it subtracts 4kB for the guard page.
Return 0 instead of -1 when this occurs, and set range_out to NULL
and len to 0. All existing callers of pm_process_pagemap_range
will not dereference range_out if len is 0.
Bug: 14683277
Change-Id: If405651ad034dda780b93fab2dc616e177a0b917
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Enable this header to be cleanly included in C++ code.
Change-Id: Ie4ae60629661237ce07b49b17802f01bf95552d8
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procrank/librank not impacted because they end quickly. But other
programs that use libpagemap and last for long time can easily see this
memory leak.
Change-Id: I8c9e9444555bef9145c9d89850987a29f15a9b3b
Signed-off-by: Carton He <carton.he@marvell.com>
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Add pm_process_usage flags to get memory usage by a process, only
counting pages with specified flags set.
Change-Id: I900b673ddbb5ae92312773a8670dd59769617268
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Change-Id: I6b030d9d0356d63b3ddb853de304407bc70b38c4
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Add a new memusage field for swapped pages.
Change-Id: I857143a5fdd294315dd89e834b1217a219f10479
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Add pm_map_usage_flags, which is the same as pm_map_usage but only
counts pages with the specified flags set. This can be used to
only count "swapbacked" pages, which are pages that cannot be
flushed back to disk without using swap.
Change-Id: I6367555d9385502c797935849bb4221a8354e251
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Change-Id: If4a4a2bbe9b1a68c5dce1151cf8b7c60cae1a3fa
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Change-Id: Ibd0b26e4f5245592152d2c8ef00e7da1ad5f3fdf
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pm_map_usage was not incrementing vss for pages that were in the
process's map but not occupying a physical page. Move the
vss increment above the check for present mappings.
Change-Id: I2706e6fbcbfe7d70f10950333a486d690bc84d6c
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Mappings that are not from a file do not have a name. The sscanf
will read all of the fields up to the name, and then leave name
untouched. This causes the previous name to be reused. Reset
name to an empty string before each call to sscanf.
Change-Id: Ib146732983eb074d0d4773be094efa0b672f5ed2
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Fixed these problems:
1. Page swapped bit was not extracted correctly.
2. Pages were ignored when page present bit is not set.
3. Bit operations were not correct.
4. There was a compiler warning about unsigned/signed comparision.
5. Line limit was too short for the map file. This was causing procrank
to generate a warning and remove the related process from results.
Change-Id: Ifed3913a49b15f59010cfa842090a13228074df9
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Instead of handling maps with the name "[vectors]" specially,
silently ignore EOF when reading from /proc/<pid>/pagemap, which
occurs any time a a mapping is outside of the userspace range.
Change-Id: I674ade1eab6fd7732c6d9e120d0750cca5415b25
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In kernel 2.6.37, the vector page was added to /proc/<pid>/maps,
but because it is located above TASK_SIZE (usually 0xbf000000),
it is considered to be in the kernel's address space, not the
process', so it doesn't show up in /proc/<pid>/pagemap.
When the vector page is detected, using the name "[vectors]",
remove it from the map.
Change-Id: I5f0758bbe5d2b927056fa9fee684fea63dd0fa4b
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Change-Id: I1b3e13f0e16b51604852437b32b1d8309471abc8
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