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47 lines
1.7 KiB
47 lines
1.7 KiB
4 months ago
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Android PGO Profiles
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====================
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For the latest version of this doc, please make sure to visit:
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[Android PGO Profiles](https://android.googlesource.com/toolchain/pgo-profiles/+/master/README.md)
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Getting the necessary dependencies
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----------------------------------
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First, you need to install `python-pip`, as well as 2 packages from it.
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```
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$ sudo apt-get install python-pip
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$ sudo pip install --upgrade google-api-python-client
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$ sudo pip install --upgrade oauth2client
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```
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Updating PGO Profiles
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---------------------
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We only update profiles in the Android release branch, so this script should
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be run directly from that location. The following is a sample command line for
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updating the PGO profiles:
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```
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$ python toolchain/pgo-profiles/scripts/update_profiles.py -b <BUG_NUMBER> --add-do-not-merge <BUILD_ID> ALL --profdata-suffix <YYYY-MM-DD>
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$ repo upload --cbr toolchain/pgo-profiles/
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# Each separate profile will be uploaded as a single patch, so that it can get appropriate reviews.
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```
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Note that you need to change that command to supply 3 pieces of information:
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- `BUG_NUMBER`: The buganizer bug number that should be part of the commit
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message. For Android R, that bug number is 150254950.
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- `BUILD_ID`: The build id from which to extract the PGO profiles. You should
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check [go/ab](http://go/ab) for the given release branch.
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- `YYYY-MM-DD`: The date of the build that the profiles come from (to keep it
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easier to check for stale profiles).
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More Information
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----------------
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PGO-related questions should be sent to the Android LLVM team's public list:
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[android-llvm@googlegroups.com](https://groups.google.com/forum/#!forum/android-llvm)
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