tests/test-simple-update.t
author Gregory Szorc <gregory.szorc@gmail.com>
Wed, 18 Jul 2018 09:46:45 -0700
changeset 38731 ef3838a47503
parent 38250 d0abd7949ea3
child 39489 f1186c292d03
permissions -rw-r--r--
worker: ability to disable thread unsafe tasks The worker on Windows is implemented using a thread pool. If worker tasks are not thread safe, badness can occur. In addition, if tasks are executing CPU bound code and holding onto the GIL, there will be non-substantial overhead in Python context switching between active threads. This can result in significant slowdowns of tasks. This commit teaches the code for determining whether to use a worker to take thread safety into account. Effectively, thread unsafe tasks don't use the thread-based worker on Windows. Differential Revision: https://phab.mercurial-scm.org/D3962
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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  $ hg init test
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  $ cd test
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  $ echo foo>foo
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  $ hg addremove
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  adding foo
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  $ hg commit -m "1"
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  1 files, 1 changesets, 1 total revisions
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  $ hg clone . ../branch
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  updating to branch default
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd ../branch
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  $ hg co
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  0 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ echo bar>>foo
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  $ hg commit -m "2"
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  $ cd ../test
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  $ hg pull ../branch
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  pulling from ../branch
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  searching for changes
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  adding changesets
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  adding manifests
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  adding file changes
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  added 1 changesets with 1 changes to 1 files
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  new changesets 30aff43faee1
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  1 local changesets published
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  (run 'hg update' to get a working copy)
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  $ hg verify
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  checking changesets
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  checking manifests
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  crosschecking files in changesets and manifests
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  checking files
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  1 files, 2 changesets, 2 total revisions
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  $ hg co
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  1 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cat foo
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  foo
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  bar
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  $ hg manifest --debug
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  6f4310b00b9a147241b071a60c28a650827fb03d 644   foo
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update to rev 0 with a date
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  $ hg upd -d foo 0
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  abort: you can't specify a revision and a date
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  [255]
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  $ cd ..
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update with worker processes
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#if no-windows
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  $ cat <<EOF > forceworker.py
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  > from mercurial import extensions, worker
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  > def nocost(orig, ui, costperop, nops, threadsafe=True):
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  >     return worker._numworkers(ui) > 1
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  > def uisetup(ui):
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  >     extensions.wrapfunction(worker, 'worthwhile', nocost)
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  > EOF
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  $ hg init worker
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  $ cd worker
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  $ cat <<EOF >> .hg/hgrc
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  > [extensions]
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  > forceworker = $TESTTMP/forceworker.py
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  > [worker]
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  > numcpus = 4
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  > EOF
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  $ for i in `$PYTHON $TESTDIR/seq.py 1 100`; do
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  >   echo $i > $i
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  > done
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  $ hg ci -qAm 'add 100 files'
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  $ hg update null
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  0 files updated, 0 files merged, 100 files removed, 0 files unresolved
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  $ hg update -v | grep 100
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  getting 100
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  100 files updated, 0 files merged, 0 files removed, 0 files unresolved
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  $ cd ..
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#endif