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perf: add command for measuring revlog chunk operations...
perf: add command for measuring revlog chunk operations Upcoming commits will teach revlogs to leverage the new compression engine API so that new compression formats can more easily be leveraged in revlogs. We want to be sure this refactoring doesn't regress performance. So this commit introduces "perfrevchunks" to explicitly test performance of reading, decompressing, and recompressing revlog chunks. Here is output when run on the mozilla-unified repo: $ hg perfrevlogchunks -c ! read ! wall 0.346603 comb 0.350000 user 0.340000 sys 0.010000 (best of 28) ! read w/ reused fd ! wall 0.337707 comb 0.340000 user 0.320000 sys 0.020000 (best of 30) ! read batch ! wall 0.013206 comb 0.020000 user 0.000000 sys 0.020000 (best of 221) ! read batch w/ reused fd ! wall 0.013259 comb 0.030000 user 0.010000 sys 0.020000 (best of 222) ! chunk ! wall 1.909939 comb 1.910000 user 1.900000 sys 0.010000 (best of 6) ! chunk batch ! wall 1.750677 comb 1.760000 user 1.740000 sys 0.020000 (best of 6) ! compress ! wall 5.668004 comb 5.670000 user 5.670000 sys 0.000000 (best of 3) $ hg perfrevlogchunks -m ! read ! wall 0.365834 comb 0.370000 user 0.350000 sys 0.020000 (best of 26) ! read w/ reused fd ! wall 0.350160 comb 0.350000 user 0.320000 sys 0.030000 (best of 28) ! read batch ! wall 0.024777 comb 0.020000 user 0.000000 sys 0.020000 (best of 119) ! read batch w/ reused fd ! wall 0.024895 comb 0.030000 user 0.000000 sys 0.030000 (best of 118) ! chunk ! wall 2.514061 comb 2.520000 user 2.480000 sys 0.040000 (best of 4) ! chunk batch ! wall 2.380788 comb 2.380000 user 2.360000 sys 0.020000 (best of 5) ! compress ! wall 9.815297 comb 9.820000 user 9.820000 sys 0.000000 (best of 3) We already see some interesting data, such as how much slower non-batched chunk reading is and that zlib compression appears to be >2x slower than decompression. I didn't have the data when I wrote this commit message, but I ran this on Mozilla's NFS-based Mercurial server and the time for reading with a reused file descriptor was faster. So I think it is worth testing both with and without file descriptor reuse so we can make informed decisions about recycling file descriptors.
Matt Mackall - - Load All Authors

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test-hgweb-removed.t
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Matt Mackall
tests: replace exit 80 with #require
 r22046 #require serve
Mads Kiilerich
tests: use 'hghave serve' to guard tests that requires serve daemon management
 r15446
Matt Mackall
tests: unify test-hgweb-removed
 r12442 setting up repo
$ hg init test
$ cd test
$ echo a > a
$ hg ci -Ama
adding a
$ hg rm a
$ hg ci -mdel
set up hgweb
$ hg serve -n test -p $HGPORT -d --pid-file=hg.pid -A access.log -E errors.log
$ cat hg.pid >> $DAEMON_PIDS
revision
Matt Mackall
tests: drop explicit $TESTDIR from executables...
 r25472 $ get-with-headers.py localhost:$HGPORT 'rev/tip'
Matt Mackall
tests: unify test-hgweb-removed
 r12442 200 Script output follows
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
<head>
<link rel="icon" href="/static/hgicon.png" type="image/png" />
<meta name="robots" content="index, nofollow" />
<link rel="stylesheet" href="/static/style-paper.css" type="text/css" />
Benoit Allard
web: Made elapsed time calculation dynamic (javascript)....
 r14046 <script type="text/javascript" src="/static/mercurial.js"></script>
Matt Mackall
tests: unify test-hgweb-removed
 r12442
<title>test: c78f6c5cbea9</title>
</head>
<body>
<div class="container">
<div class="menu">
<div class="logo">
Matt Mackall
urls: bulk-change primary website URLs
 r26421 <a href="https://mercurial-scm.org/">
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <img src="/static/hglogo.png" alt="mercurial" /></a>
</div>
<ul>
av6
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...
 r25606 <li><a href="/shortlog/tip">log</a></li>
<li><a href="/graph/tip">graph</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <li><a href="/tags">tags</a></li>
Alexander Solovyov
hgweb: add separate page with bookmarks listing
 r13597 <li><a href="/bookmarks">bookmarks</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <li><a href="/branches">branches</a></li>
</ul>
<ul>
<li class="active">changeset</li>
av6
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...
 r25606 <li><a href="/raw-rev/tip">raw</a></li>
<li><a href="/file/tip">browse</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </ul>
<ul>
</ul>
Augie Fackler
web: add a help view for getting hg help output
 r12666 <ul>
<li><a href="/help">help</a></li>
</ul>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </div>
<div class="main">
Bryan O'Sullivan
tests: update hgweb tests to include breadcrumbs
 r18264 <h2 class="breadcrumb"><a href="/">Mercurial</a> </h2>
av6
hgweb: link to revision by node hash in paper & coal...
 r25617 <h3>
changeset 1:<a href="/rev/c78f6c5cbea9">c78f6c5cbea9</a>
<span class="tag">tip</span>
</h3>
Matt Mackall
tests: unify test-hgweb-removed
 r12442
<form class="search" action="/log">
<p><input name="rev" id="search1" type="text" size="30" /></p>
Alexander Plavin
paper: edit search hint to include new feature description
 r19796 <div id="hint">Find changesets by keywords (author, files, the commit message), revision
number or hash, or <a href="/help/revsets">revset expression</a>.</div>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </form>
<div class="description">del</div>
<table id="changesetEntry">
<tr>
<th class="author">author</th>
<td class="author">&#116;&#101;&#115;&#116;</td>
</tr>
<tr>
<th class="date">date</th>
Anton Shestakov
hgweb: clearly outline <tr> block in paper/changeset.tmpl...
 r24130 <td class="date age">Thu, 01 Jan 1970 00:00:00 +0000</td>
</tr>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <tr>
<th class="author">parents</th>
<td class="author"><a href="/rev/cb9a9f314b8b">cb9a9f314b8b</a> </td>
</tr>
<tr>
<th class="author">children</th>
<td class="author"></td>
</tr>
<tr>
<th class="files">files</th>
<td class="files">a </td>
</tr>
Steven Brown
paper, coal: display diffstat on the changeset page...
 r14571 <tr>
<th class="diffstat">diffstat</th>
<td class="diffstat">
1 files changed, 0 insertions(+), 1 deletions(-)
Anton Shestakov
hgweb: fix diffstat links in paper/changeset.tmpl...
 r23831 <a id="diffstatexpand" href="javascript:toggleDiffstat()">[<tt>+</tt>]</a>
Steven Brown
paper, coal: display diffstat on the changeset page...
 r14571 <div id="diffstatdetails" style="display:none;">
Anton Shestakov
hgweb: fix diffstat links in paper/changeset.tmpl...
 r23831 <a href="javascript:toggleDiffstat()">[<tt>-</tt>]</a>
Anton Shestakov
hgweb: use css margin instead of empty <p> before diffstat table...
 r24042 <table class="diffstat-table stripes2"> <tr>
Steven Brown
paper, coal: display diffstat on the changeset page...
 r14571 <td class="diffstat-file"><a href="#l1.1">a</a></td>
<td class="diffstat-total" align="right">1</td>
<td class="diffstat-graph">
<span class="diffstat-add" style="width:0.0%;">&nbsp;</span>
<span class="diffstat-remove" style="width:100.0%;">&nbsp;</span>
</td>
</tr>
</table>
</div>
</td>
</tr>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </table>
<div class="overflow">
Alexander Plavin
hgweb: add line wrapping switch to file diff and changeset views
 r19433 <div class="sourcefirst linewraptoggle">line wrap: <a class="linewraplink" href="javascript:toggleLinewrap()">on</a></div>
Alexander Plavin
hgweb: file diff and changesets views behave like file source view...
 r19432 <div class="sourcefirst"> line diff</div>
<div class="stripes2 diffblocks">
<div class="bottomline inc-lineno"><pre class="sourcelines wrap">
<span id="l1.1" class="minusline">--- a/a Thu Jan 01 00:00:00 1970 +0000</span><a href="#l1.1"></a>
<span id="l1.2" class="plusline">+++ /dev/null Thu Jan 01 00:00:00 1970 +0000</span><a href="#l1.2"></a>
<span id="l1.3" class="atline">@@ -1,1 +0,0 @@</span><a href="#l1.3"></a>
<span id="l1.4" class="minusline">-a</span><a href="#l1.4"></a></pre></div>
</div>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </div>
</div>
</div>
Benoit Allard
web: Made elapsed time calculation dynamic (javascript)....
 r14046 <script type="text/javascript">process_dates()</script>
Matt Mackall
tests: unify test-hgweb-removed
 r12442
</body>
</html>
diff removed file
Matt Mackall
tests: drop explicit $TESTDIR from executables...
 r25472 $ get-with-headers.py localhost:$HGPORT 'diff/tip/a'
Matt Mackall
tests: unify test-hgweb-removed
 r12442 200 Script output follows
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.1//EN" "http://www.w3.org/TR/xhtml11/DTD/xhtml11.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="en-US">
<head>
<link rel="icon" href="/static/hgicon.png" type="image/png" />
<meta name="robots" content="index, nofollow" />
<link rel="stylesheet" href="/static/style-paper.css" type="text/css" />
Benoit Allard
web: Made elapsed time calculation dynamic (javascript)....
 r14046 <script type="text/javascript" src="/static/mercurial.js"></script>
Matt Mackall
tests: unify test-hgweb-removed
 r12442
<title>test: a diff</title>
</head>
<body>
<div class="container">
<div class="menu">
<div class="logo">
Matt Mackall
urls: bulk-change primary website URLs
 r26421 <a href="https://mercurial-scm.org/">
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <img src="/static/hglogo.png" alt="mercurial" /></a>
</div>
<ul>
av6
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...
 r25606 <li><a href="/shortlog/tip">log</a></li>
<li><a href="/graph/tip">graph</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <li><a href="/tags">tags</a></li>
Alexander Solovyov
hgweb: add separate page with bookmarks listing
 r13597 <li><a href="/bookmarks">bookmarks</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <li><a href="/branches">branches</a></li>
</ul>
<ul>
av6
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...
 r25606 <li><a href="/rev/tip">changeset</a></li>
<li><a href="/file/tip">browse</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </ul>
<ul>
av6
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...
 r25606 <li><a href="/file/tip/a">file</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 <li><a href="/file/tip/a">latest</a></li>
<li class="active">diff</li>
av6
hgweb: don't dereference symbolic revision in paper & coal style (issue2296)...
 r25606 <li><a href="/comparison/tip/a">comparison</a></li>
<li><a href="/annotate/tip/a">annotate</a></li>
<li><a href="/log/tip/a">file log</a></li>
<li><a href="/raw-file/tip/a">raw</a></li>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </ul>
Augie Fackler
hgweb: add help link to templates missed in ead4e21f49f1
 r12680 <ul>
<li><a href="/help">help</a></li>
</ul>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </div>
<div class="main">
Bryan O'Sullivan
tests: update hgweb tests to include breadcrumbs
 r18264 <h2 class="breadcrumb"><a href="/">Mercurial</a> </h2>
av6
hgweb: link to revision by node hash in paper & coal...
 r25617 <h3>
diff a @ 1:<a href="/rev/c78f6c5cbea9">c78f6c5cbea9</a>
<span class="tag">tip</span>
</h3>
Matt Mackall
tests: unify test-hgweb-removed
 r12442
<form class="search" action="/log">
<p></p>
<p><input name="rev" id="search1" type="text" size="30" /></p>
Alexander Plavin
paper: edit search hint to include new feature description
 r19796 <div id="hint">Find changesets by keywords (author, files, the commit message), revision
number or hash, or <a href="/help/revsets">revset expression</a>.</div>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </form>
<div class="description">del</div>
<table id="changesetEntry">
<tr>
<th>author</th>
<td>&#116;&#101;&#115;&#116;</td>
</tr>
<tr>
<th>date</th>
Brodie Rao
hgweb: fix dynamic date calculation not working under Safari...
 r15375 <td class="date age">Thu, 01 Jan 1970 00:00:00 +0000</td>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </tr>
<tr>
<th>parents</th>
<td><a href="/file/cb9a9f314b8b/a">cb9a9f314b8b</a> </td>
</tr>
<tr>
<th>children</th>
<td></td>
</tr>
</table>
<div class="overflow">
Alexander Plavin
hgweb: add line wrapping switch to file diff and changeset views
 r19433 <div class="sourcefirst linewraptoggle">line wrap: <a class="linewraplink" href="javascript:toggleLinewrap()">on</a></div>
Alexander Plavin
hgweb: file diff and changesets views behave like file source view...
 r19432 <div class="sourcefirst"> line diff</div>
<div class="stripes2 diffblocks">
<div class="bottomline inc-lineno"><pre class="sourcelines wrap">
<span id="l1.1" class="minusline">--- a/a Thu Jan 01 00:00:00 1970 +0000</span><a href="#l1.1"></a>
<span id="l1.2" class="plusline">+++ /dev/null Thu Jan 01 00:00:00 1970 +0000</span><a href="#l1.2"></a>
<span id="l1.3" class="atline">@@ -1,1 +0,0 @@</span><a href="#l1.3"></a>
<span id="l1.4" class="minusline">-a</span><a href="#l1.4"></a></pre></div>
</div>
Matt Mackall
tests: unify test-hgweb-removed
 r12442 </div>
</div>
</div>
Benoit Allard
web: Made elapsed time calculation dynamic (javascript)....
 r14046 <script type="text/javascript">process_dates()</script>
Matt Mackall
tests: unify test-hgweb-removed
 r12442
</body>
</html>
Mads Kiilerich
tests: add missing trailing 'cd ..'...
 r16913
$ cd ..