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Ensure we reset OutputtedFilenameList in profiling when a workspace is restored #1164

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merged 1 commit into from
Feb 23, 2017

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ChrisJefferson
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This patch ensures that if we load a saved workspace, we correctly output filenames. This is only required when restoring a workspace where coverage/profile was active, with --prof or --cover.

The workspace restores the variable OutputtedFilenameList, which represents files we have already outputted. We want to clear that file, so our new profile includes the filenames.

This is a pain to add a test for, but easy to eyeball -- looking at profiles generated they were previously missing filenames, now they aren't.

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The change makes absolute sense, and I don't think there is need to add a test for it. I'd perhaps tweak the comment a bit, but that's minor.

src/profile.c Outdated
{
/* When we restore a workspace, we start a new profile. This is the
* only part of the profile which is stored in the GAP memory space,
* so we want to clear it
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We "want" to clear it? Not "need" to clear it?

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I'm happy to change to 'need'

src/profile.c Outdated
@@ -1005,6 +1005,15 @@ static Int InitKernel (
return 0;
}

static Int PostRestore ( StructInitInfo * module )
{
/* When we restore a workspace, we start a new profile. This is the
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I was mildly confused when reading "This" here, until I realized that it referred to the text after the comment. Perhaps rephrase this as "The OutputtedFilenameList is ..." or "The list of outputted filenames is" ?

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Tweaked

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codecov bot commented Feb 22, 2017

Codecov Report

Merging #1164 into master will increase coverage by 1.55%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1164      +/-   ##
==========================================
+ Coverage    66.8%   68.35%   +1.55%     
==========================================
  Files         433      435       +2     
  Lines      228624   230662    +2038     
==========================================
+ Hits       152725   157680    +4955     
+ Misses      75899    72982    -2917
Impacted Files Coverage Δ
src/profile.c 38.39% <100%> (+0.97%)
src/iostream.c 57.62% <ø> (-3.19%)
src/vecgf2.c 61.9% <ø> (-2.13%)
src/saveload.c 62.97% <ø> (-1.94%)
src/system.c 62.84% <ø> (-1.43%)
src/lists.c 60.07% <ø> (-1.41%)
src/gasman.c 83.85% <ø> (-1.34%)
src/scanner.c 73.78% <ø> (-1.05%)
src/objscoll.c 68.28% <ø> (-1.03%)
src/bool.c 92.45% <ø> (-0.89%)
... and 148 more

Continue to review full report at Codecov.

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@ChrisJefferson
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ChrisJefferson commented Feb 22, 2017

I have no idea why it looks like this is trashing coverage so badly.
EDIT: And now I've rebased it's fine.

@fingolfin fingolfin merged commit 448d67f into gap-system:master Feb 23, 2017
@ChrisJefferson ChrisJefferson deleted the profile-restore branch May 12, 2017 11:26
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2 participants