interesting looks like up until recently mac-arm pgo profiles were used for android pgo according to [this](https://bugs.chromium.org/p/chromium/issues/detail?id=1464107) which might explain what i found a couple months ago (mentioned in comment 0 here) where I had to use llvm to merge the ARM profiles myself? (or it's possible I could have used the mac-arm back then too, was not aware that was being done) [recent comment](https://bugs.chromium.org/p/chromium/issues/detail?id=1464107#c33) suggests android profiles might be ready to go. Got a try run here with these new android profiles https://treeherder.mozilla.org/jobs?repo=try&revision=17125eefac083112480e208d3554ff403486430a&selectedTaskRun=SLMapDpuQ9eZEB0phRlvlw.0
Bug 1848419 Comment 2 Edit History
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interesting looks like up until recently mac-arm pgo profiles were used for android pgo according to [this](https://bugs.chromium.org/p/chromium/issues/detail?id=1464107) which might explain what i found a couple months ago (mentioned in comment 0 here) where I had to use llvm to merge the ARM profiles myself? (or it's possible I could have used the mac-arm back then too, was not aware that was being done) [recent comment](https://bugs.chromium.org/p/chromium/issues/detail?id=1464107#c33) suggests android profiles might be ready to go. Got a try run here with these new android profiles https://treeherder.mozilla.org/jobs?repo=try&revision=c95e5915d5ac5a6e0b9e43b2c007617437c13ddd&selectedTaskRun=EY66YFmHQ62EUCvAydzZKw.0