framework: Add support for jsonstreams

Graphics / Mesa 3D Graphics Library / Piglit - Dylan Baker [pnwbakers.com] - 9 September 2016 15:39 UTC

This commit adds support in the json backend for using an external library that I wrote called jsonstreams. It's a pretty self-explanatory library, and for piglit has several advantages. First, I've measured a consistent 10-15 second speed up for running the quick profile. Second, it *vastly* reduces the amount of memory piglit needs to write the final JSON document out.

This is not implemented as a separate backend because the way that piglit's backend are implemented only one backend can handle a specific file extension. While this can be worked around by setting the extension to something like '.junit.xml' that doesn't really make sense here, since they are writing the same format, just using different means.

d0f6d81 framework: Add support for jsonstreams
README | 2 +
framework/backends/json.py | 111 ++++++++++++++++++++++++++++++--------------
2 files changed, 79 insertions(+), 34 deletions(-)

Upstream: cgit.freedesktop.org

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