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From cbdcb6c54ea3f533d5d86ea5a6fffcfb8f54e743 Mon Sep 17 00:00:00 2001
From: Phantom X <PhantomX@users.noreply.github.com>
Date: Fri, 20 Aug 2021 19:33:56 -0300
Subject: [PATCH] Mozilla 1516081 rebase for Waterfox
---
build/moz.configure/toolchain.configure | 4 ++--
nsprpub/configure.in | 4 ++--
toolkit/components/terminator/nsTerminator.cpp | 7 +++++++
3 files changed, 11 insertions(+), 4 deletions(-)
diff --git a/build/moz.configure/toolchain.configure b/build/moz.configure/toolchain.configure
index af458a2..7dfec46 100755
--- a/build/moz.configure/toolchain.configure
+++ b/build/moz.configure/toolchain.configure
@@ -1195,10 +1195,10 @@ def pgo_flags(compiler, build_env, target):
if compiler.type == 'gcc':
return namespace(
- gen_cflags=['-fprofile-generate'],
+ gen_cflags=['-fprofile-generate', '-DMOZ_PROFILE_INSTRUMENTATION'],
gen_ldflags=['-fprofile-generate'],
use_cflags=['-fprofile-use', '-fprofile-correction',
- '-Wcoverage-mismatch'],
+ '-Wcoverage-mismatch', '-DMOZ_PROFILE_INSTRUMENTATION'],
use_ldflags=['-fprofile-use'],
)
diff --git a/nsprpub/configure.in b/nsprpub/configure.in
index b82dfa5..de8d88f 100644
--- a/nsprpub/configure.in
+++ b/nsprpub/configure.in
@@ -740,7 +740,7 @@ dnl Test for profiling options
dnl Under gcc 3.4+, use -fprofile-generate/-fprofile-use
_SAVE_CFLAGS="$CFLAGS"
-CFLAGS="$CFLAGS -fprofile-generate -fprofile-correction"
+CFLAGS="$CFLAGS -fprofile-generate -fprofile-correction -DMOZ_PROFILE_INSTRUMENTATION"
AC_MSG_CHECKING([whether C compiler supports -fprofile-generate])
AC_TRY_COMPILE([], [return 0;],
@@ -750,7 +750,7 @@ AC_MSG_RESULT([$result])
if test $result = "yes"; then
PROFILE_GEN_LDFLAGS="-fprofile-generate"
- PROFILE_USE_CFLAGS="-fprofile-use -fprofile-correction -Wcoverage-mismatch"
+ PROFILE_USE_CFLAGS="-fprofile-use -fprofile-correction -Wcoverage-mismatch -DMOZ_PROFILE_INSTRUMENTATION"
PROFILE_USE_LDFLAGS="-fprofile-use"
fi
diff --git a/toolkit/components/terminator/nsTerminator.cpp b/toolkit/components/terminator/nsTerminator.cpp
index e72335f..eb70f15 100644
--- a/toolkit/components/terminator/nsTerminator.cpp
+++ b/toolkit/components/terminator/nsTerminator.cpp
@@ -389,6 +389,13 @@ nsTerminator::StartWatchdog()
crashAfterMS += ADDITIONAL_WAIT_BEFORE_CRASH_MS;
}
+ // Disable watchdog for PGO train builds - writting profile information at
+ // exit may take time and it is better to make build hang rather than
+ // silently produce poorly performing binary.
+#ifdef MOZ_PROFILE_INSTRUMENTATION
+ crashAfterMS = INT32_MAX;
+#endif
+
UniquePtr<Options> options(new Options());
const PRIntervalTime ticksDuration = PR_MillisecondsToInterval(1000);
options->crashAfterTicks = crashAfterMS / ticksDuration;
--
2.36.1
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