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Add support for PGO builds (fixes issue #2956)

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This configuration applies to Official Release builds only.

Chromium currently provides PGO profiles for Windows x86/x64, MacOS x64/ARM64
and Linux x64. Official builds for these platforms must run automate-git.py with
the `--with-pgo-profiles` command-line flag. Official builds for other platforms
must disable PGO builds by adding `chrome_pgo_phase=0` to GN_DEFINES.
This commit is contained in:
Marshall Greenblatt
2022-10-06 14:06:22 -04:00
parent f33c062d78
commit 60ee4a34aa
2 changed files with 9 additions and 6 deletions
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6
tools/gn_args.py
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@@ -212,12 +212,6 @@ def GetRecommendedDefaultArgs():
# distribution.
'is_component_build': False,
# Specify the current PGO phase. Default is 0 (turned off) for normal
# builds and 2 (used during the optimization phase) for official Windows
# and macOS builds. Currently turned off for CEF because it requires
# additional setup and is not yet tested. See issue #2956.
'chrome_pgo_phase': 0,
# Disable support for background apps, which don't make sense with CEF.
# Default is enabled on desktop platforms. This feature was also causing
# strange shutdown crashes when using the Chrome runtime with a Debug