Jamie Wong 274110a46b Support importing time profiles from Instruments .trace files (#41) ... #33 added support for importing from instruments indirectly via opening instruments and using the deep copy command. This PR adds support for importing `.trace` files directly, though only for time profiles specifically, and only for the highest sample count thread in the profile. This PR adds `.trace` files from Instruments 9, and adds support for importing from either Instruments 8 and 9. The only major difference in the file format seems to be that Instruments 9 applies raw `zlib` compression generously throughout the file. This PR also adds example `.trace` files for memory allocations, which are not supported for direct import. They use a totally different storage format for recording memory allocations, and I haven't yet figured out how that list of allocations references their corresponding callstack. Lastly, this PR also adds examples from Instruments 7 since I happen to have a machine with an old version of Instruments. Import from Instruments 7 probably wouldn't be hard to add, but I haven't done that in this PR. This currently only works in Chrome, and only via drag-and-drop of the files. To test, drag the decompressed `simple-time-profile.trace` from 6016d970b9/sample/profiles/Instruments/9.3.1/simple-time-profile.trace.zip onto speedscope. The result should be this:  Fixes #15		2018-05-17 00:33:09 -07:00
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random-allocations.trace.zip	Support importing time profiles from Instruments .trace files (#41)	2018-05-17 00:33:09 -07:00
simple-time-profile.trace.zip	Support importing time profiles from Instruments .trace files (#41)	2018-05-17 00:33:09 -07:00