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gh-110276: No longer ignore PROFILE_TASK failure silently (#110295)

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Victor Stinner 2023-10-03 18:43:23 +02:00 committed by GitHub
parent eeb4e974d0
commit 6ab6040054
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3 changed files with 7 additions and 2 deletions
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3
Doc/using/configure.rst
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@ -518,6 +518,9 @@ also be used to improve performance.
.. versionadded:: 3.8
.. versionchanged:: 3.13
Task failure is no longer ignored silently.
.. cmdoption:: --with-lto=[full|thin|no|yes]
Enable Link Time Optimization (LTO) in any build (disabled by default).

4
Makefile.pre.in
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@ -657,7 +657,7 @@ profile-run-stamp:
$(MAKE) profile-gen-stamp
# Next, run the profile task to generate the profile information.
@ # FIXME: can't run for a cross build
$(LLVM_PROF_FILE) $(RUNSHARED) ./$(BUILDPYTHON) $(PROFILE_TASK) || true
$(LLVM_PROF_FILE) $(RUNSHARED) ./$(BUILDPYTHON) $(PROFILE_TASK)
$(LLVM_PROF_MERGER)
# Remove profile generation binary since we are done with it.
$(MAKE) clean-retain-profile
@ -706,7 +706,7 @@ profile-bolt-stamp: $(BUILDPYTHON)
mv "$${bin}.bolt_inst" "$${bin}"; \
done
# Run instrumented binaries to collect data.
$(RUNSHARED) ./$(BUILDPYTHON) $(PROFILE_TASK) || true
$(RUNSHARED) ./$(BUILDPYTHON) $(PROFILE_TASK)
# Merge all the data files together.
for bin in $(BOLT_BINARIES); do \
@MERGE_FDATA@ $${bin}.*.fdata > "$${bin}.fdata"; \

2
Misc/NEWS.d/next/Build/2023-10-03-17-55-09.gh-issue-110276.luaKRg.rst Normal file
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@ -0,0 +1,2 @@
No longer ignore :envvar:`PROFILE_TASK` failure silently: command used by
Profile Guided Optimization (PGO). Patch by Victor Stinner.