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Revert "afdo: Remove -fprofile-sample-accurate flag"

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This reverts commit febf8b9bdf.

We are still seeing flaky performance alerts from microbenchmarks even
with this change, and this has caused binary size / memory usage
increase. Let's add this flag back and observe whether performance
regression reports become more frequent.

Change-Id: I0fec1296b1f49b21b59d81add677f6a926ee88dc
This commit is contained in:
Yi Kong 2023-11-14 23:49:40 +00:00
parent 3a35d64915
commit 0880a82de5
1 changed files with 1 additions and 1 deletions
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cc/afdo.go
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@ -35,7 +35,7 @@ var (
var afdoProfileProjectsConfigKey = android.NewOnceKey("AfdoProfileProjects")
// This flag needs to be in both CFlags and LdFlags to ensure correct symbol ordering
const afdoFlagsFormat = "-fprofile-sample-use=%s"
const afdoFlagsFormat = "-fprofile-sample-use=%s -fprofile-sample-accurate"
func recordMissingAfdoProfileFile(ctx android.BaseModuleContext, missing string) {
getNamedMapForConfig(ctx.Config(), modulesMissingProfileFileKey).Store(missing, true)