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simpleperf: fix record file writer.
authorYabin Cui <yabinc@google.com>
Fri, 5 Aug 2016 22:31:33 +0000 (15:31 -0700)
committerYabin Cui <yabinc@google.com>
Fri, 5 Aug 2016 22:48:42 +0000 (15:48 -0700)
commit06636d0bbfed7d4bba138c8f7d79921a646fe0f4
tree5dc03205cb9c3607ec3d45a827d7b4cdca0fcc5e
parent9ec492a979bf53295e5d615cc00a76e074c51bd7
simpleperf: fix record file writer.

When running `run-as [package_name] ./simpleperf record...` on device,
simpleperf doesn't have permission to create temporary file in
/data/local/tmp. So create temporary files in the same directory
as perf.data instead.

Bug: http://b/30649868
Change-Id: I48178d4eb421be8d8636721ac3b29b98fa673b5d
Test: run simpleperf_unit_test.
simpleperf/record_file_writer.cpp