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Test: compile
Bug: 30465923
Change-Id: I0c8178ef32006e0ec5f3dde7446b5396cf98df77

Fixed according to http://lxr.free-electrons.com/source/kernel/events/ring_buffer.c#L61.

Test: run simpleperf_unit_test.

Change-Id: I44486b1630c92de57fb575b502b2d7c798e46e4b

Bug: http://b/32834638
Test: run annotate.py.
Change-Id: I18d6985387a68482a589d812109692ee2c30197c

Bug: http://b/32834638
Test: make sdk.
Change-Id: Iffc2649dc131c73758db8727912c83c078d92071

Bug: http://b/32834638
Test: run python scripts like report_sample.py.
Change-Id: Ia37e7b34babe7ba3df88b38ec6e6bc15241f50d8

Taken from branch aosp-master.

Bug: http://b/32834638
Test: None.

Change-Id: I6d456a932f8ab679da4c34f4113dc7414fe29d62

Add _LARGEFILE64_SOURCE to handle large files such as larger than 4G,
fix fec_open cannot open file larger than 4G

Bug: https://code.google.com/p/android/issues/detail?id=231508


Test: tested on Android N devices

Change-Id: I8df81a039cb987f6bde36384bf69e8ab119fd515
Signed-off-by: wangjiangshao <wangjiangshao@xiaomi.com>

This reverts commit 266cf44b.

And fix error in the original patch.

Bug: http://b/32834638
Test: make x86-sdk and mips-sdk.

Change-Id: Ie9bc21ca461252f54c8f443747c8d9d1b5d33c02

getInterfaceVersion doesn't provide any information and is being
removed. I've replaced the call with interfaceChain here so that a
better description can be obtained.

Bug: 34041669
Test: compiles
Change-Id: I00e5154e92edf2dd17b3e899b094589642ba3b3e

This reverts commit f6bc6f2e.

Change-Id: Ic8a2405372498ef8251bcf4b680408001c164550

Build 32/64 bit simpleperf on target, simpleperf on host,
and libsimpleperf_report.so on host in sdk. So they can
be used in prebuilts/simpleperf.

Bug: http://b/32834638
Test: make sdk and win_sdk manually.

Change-Id: I1e55c9b1596aca3b982dc30422d29d830077289e

Test: no more exception failures
Bug: 33846158
Change-Id: Iaaa43affae3a42cf5b94bed84ab94197d3d4d2d1

libselinux is being used as shared lib by many other modules.
So using its shared lib will reduce total image size.

Size diff on angler build image is as follows.

runconuid: 19912 -> 11256 (-8656)

Test: building succeeded, and the image was tested on angler.
Bug: 33056637
Change-Id: I6272486fdacef06c30d25f1718651757d873eb1b

Bug: 31348667

Test: compiles
Change-Id: I31eb72e4e18dca68255a36915fcc980c928936d7

Test: Soong's build.ninja identical before/after (except GlobRules)
Change-Id: I541c6bd662bdddbeac6ca6a3ec517e09444fb232

Bug: http://b/32340274
Test: run simpleperf_unit_test.
Change-Id: Icb96d4778cf527720b24aed58699da05b29c1bd4

Originally we use per thread maps, and copy the maps from parent thread
when processing ForkRecord. But there are situations that ForkRecords
are lost, then the new thread is left having no maps, which leads to unknown
dso/symbols.
To fix this, we can use per process maps. Even if ForkRecords are lost,
we know which process a SampleRecord belongs to, and can use the process maps.
This is reasonable because in most cases, new threads in the same thread group
are created with both CLONE_THREAD and CLONE_VM.

Bug: http://b/33503165
Test: run simpleperf_unit_test.
Change-Id: If84b6cdac39cd6ad4e441ed6d75ed879b86d1830

Test: builds
Bug: 27948817
Change-Id: I74fb403ff6173f475190894104fd8b1b82523fb5

Bug: http://b/32834638
Test: run python annotate.py on some apps.
Change-Id: Ib89e80af495ace6239351888db974e8fb5090403