The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform2/+/770ed88d8c2bf1ac536126af9456acb018bf6ad3

commit 770ed88d8c2bf1ac536126af9456acb018bf6ad3
Author: Simon Que <sque@google.com>
Date: Sat Dec 03 02:33:40 2016

quipper: Add read data in sample info to PerfDataProto

See "struct sample_read" in kernel/perf_internals.h for the
corresponding perf data definition.

BUG= chromium:672918 
TEST=build successfully

Change-Id: I1743d4bfb26d76d0ad94098fd115dcbfeef9f3c0
Reviewed-on: https://chromium-review.googlesource.com/418402
Commit-Ready: Simon Que <sque@chromium.org>
Tested-by: Simon Que <sque@chromium.org>
Reviewed-by: Gabriel Marin <gmx@chromium.org>

[modify] https://crrev.com/770ed88d8c2bf1ac536126af9456acb018bf6ad3/chromiumos-wide-profiling/perf_data.proto

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform2/+/21f681f2e5bf3270f086b0b3dc2d746b6283dfde

commit 21f681f2e5bf3270f086b0b3dc2d746b6283dfde
Author: Simon Que <sque@google.com>
Date: Tue Dec 13 22:34:17 2016

quipper: Add PerfReaderTest for sample info fields

There is currently no comprehensive unit test for handling all the
sample info fields in a sample event. By adding this test, we provide a
place for additional fields to be tested in the future when quipper
needs to support them.

BUG= chromium:672918 
TEST=unit tests pass

Change-Id: I8a8f4320dfc11f8b140b6078dc6f0444e69ee09a
Reviewed-on: https://chromium-review.googlesource.com/419699
Commit-Ready: Simon Que <sque@chromium.org>
Tested-by: Simon Que <sque@chromium.org>
Reviewed-by: Chong Jiang <chongjiang@chromium.org>

[modify] https://crrev.com/21f681f2e5bf3270f086b0b3dc2d746b6283dfde/chromiumos-wide-profiling/perf_reader_test.cc

The following revision refers to this bug:
  https://chromium.googlesource.com/chromiumos/platform2/+/79f1ed5562db61c776ff13dcbb08106cb9922b7e

commit 79f1ed5562db61c776ff13dcbb08106cb9922b7e
Author: Simon Que <sque@google.com>
Date: Tue Dec 13 19:26:53 2016

quipper: Serialize/deserialize read info

BUG= chromium:672918 
TEST=unit tests pass

Change-Id: Ib276590e2ec1eebf6620087efd0db9cb13559823
Reviewed-on: https://chromium-review.googlesource.com/419799
Commit-Ready: Simon Que <sque@chromium.org>
Tested-by: Simon Que <sque@chromium.org>
Reviewed-by: Chong Jiang <chongjiang@chromium.org>

[modify] https://crrev.com/79f1ed5562db61c776ff13dcbb08106cb9922b7e/chromiumos-wide-profiling/test_perf_data.cc
[modify] https://crrev.com/79f1ed5562db61c776ff13dcbb08106cb9922b7e/chromiumos-wide-profiling/test_perf_data.h
[modify] https://crrev.com/79f1ed5562db61c776ff13dcbb08106cb9922b7e/chromiumos-wide-profiling/perf_serializer.cc
[modify] https://crrev.com/79f1ed5562db61c776ff13dcbb08106cb9922b7e/chromiumos-wide-profiling/perf_reader_test.cc