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Merge "Add -fprofile-sample-accurate flag for sampling PGO"

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Yi Kong
2020-01-31 14:51:14 +00:00
committed by Gerrit Code Review
parent 67edce7adb b6ec66a173
commit 56bcaa6dc1
1 changed files with 1 additions and 1 deletions
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cc/pgo.go
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@@ -43,7 +43,7 @@ var pgoProfileProjectsConfigKey = android.NewOnceKey("PgoProfileProjects")
const profileInstrumentFlag = "-fprofile-generate=/data/local/tmp" const profileInstrumentFlag = "-fprofile-generate=/data/local/tmp"
const profileSamplingFlag = "-gmlt -fdebug-info-for-profiling" const profileSamplingFlag = "-gmlt -fdebug-info-for-profiling"
const profileUseInstrumentFormat = "-fprofile-use=%s" const profileUseInstrumentFormat = "-fprofile-use=%s"
const profileUseSamplingFormat = "-fprofile-sample-use=%s" const profileUseSamplingFormat = "-fprofile-sample-accurate -fprofile-sample-use=%s"
func getPgoProfileProjects(config android.DeviceConfig) []string { func getPgoProfileProjects(config android.DeviceConfig) []string {
return config.OnceStringSlice(pgoProfileProjectsConfigKey, func() []string { return config.OnceStringSlice(pgoProfileProjectsConfigKey, func() []string {