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    <title>MongoDB Jira</title>
    <link>https://jira.mongodb.org</link>
    <description>This file is an XML representation of an issue</description>
    <language>en-us</language>    <build-info>
        <version>9.7.1</version>
        <build-number>970001</build-number>
        <build-date>13-04-2023</build-date>
    </build-info>


<item>
            <title>[SERVER-62227] Perf annotate tool on Linux doesn&apos;t show sources for dynamically linked builds</title>
                <link>https://jira.mongodb.org/browse/SERVER-62227</link>
                <project id="10000" key="SERVER">Core Server</project>
                    <description>&lt;p&gt;After recording profiles with &quot;perf record&quot; it&apos;s possible later to view per-instruction counter stats with &quot;perf annotate&quot; (or interactively from &quot;perf report&quot;). However, when building with `--link-model=dynamic` the report only shows assembly and doesn&apos;t include source lines. &lt;/p&gt;

&lt;p&gt;Full build command: `./buildscripts/scons.py --variables-files=etc/scons/mongodbtoolchain_stable_clang.vars --ninja generate-ninja ICECC=icecc CCACHE=ccache --dbg=off --opt=on --link-model=dynamic`&lt;/p&gt;

&lt;p&gt;Running perf tool:&lt;br/&gt;
1. Start mongod&lt;br/&gt;
2. $ perf record -p $(pidof mongod) -e cpu-cycles&lt;br/&gt;
3. Execute a query against mongod&lt;br/&gt;
4. stop perf (Ctrl+C), it will create perf.data file in the working dir&lt;br/&gt;
5. $ perf annotate (by default it will use perf.data file)&lt;br/&gt;
The tool should show information similar to this:&lt;/p&gt;

&lt;p/&gt;
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					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;       &#9474;             &lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;switch&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; (conf-&amp;gt;go[*(&lt;/span&gt;&lt;span style=&quot;color: #006699; font-weight: bold; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;const&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; uint8_t *)conf-&amp;gt;cur]) {&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  &lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;4.00&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; &#9474; &lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;80&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;:   movzbl (%rbx),%r10d&lt;/span&gt;&lt;/pre&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;  &lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;2.00&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; &#9474;       movsbl (%rax,%r10,&lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;1&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;),%eax&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
		&lt;/tr&gt;
				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; &lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;20.64&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt; &#9474;       add    $&lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;0xffffffff&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;,%eax&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;


&lt;p&gt;But when using dynamic linking it only shows disassembly and &quot;s&quot; command doesn&apos;t toggle the sources on/off (only recolors the line numbers).&lt;/p&gt;</description>
                <environment></environment>
        <key id="1955531">SERVER-62227</key>
            <summary>Perf annotate tool on Linux doesn&apos;t show sources for dynamically linked builds</summary>
                <type id="4" iconUrl="https://jira.mongodb.org/secure/viewavatar?size=xsmall&amp;avatarId=14710&amp;avatarType=issuetype">Improvement</type>
                                            <priority id="3" iconUrl="https://jira.mongodb.org/images/icons/priorities/major.svg">Major - P3</priority>
                        <status id="6" iconUrl="https://jira.mongodb.org/images/icons/statuses/closed.png" description="The issue is considered finished, the resolution is correct. Issues which are closed can be reopened.">Closed</status>
                    <statusCategory id="3" key="done" colorName="success"/>
                                    <resolution id="3">Duplicate</resolution>
                                        <assignee username="daniel.moody@mongodb.com">Daniel Moody</assignee>
                                    <reporter username="irina.yatsenko@mongodb.com">Irina Yatsenko</reporter>
                        <labels>
                    </labels>
                <created>Wed, 22 Dec 2021 16:23:23 +0000</created>
                <updated>Thu, 17 Feb 2022 20:58:53 +0000</updated>
                            <resolved>Thu, 17 Feb 2022 20:58:53 +0000</resolved>
                                                                                        <votes>0</votes>
                                    <watches>5</watches>
                                                                                                                <comments>
                            <comment id="4362633" author="JIRAUSER1253549" created="Thu, 17 Feb 2022 20:58:53 +0000"  >&lt;p&gt;Closing as duplicate to the two related issues. Icecream and ccache have been having issues with source paths as described with the tickets&lt;/p&gt;</comment>
                            <comment id="4362364" author="JIRAUSER1259274" created="Thu, 17 Feb 2022 19:28:44 +0000"  >&lt;p&gt;After rebuilding without using ICECC and CCACHE (&quot;./buildscripts/scons.py --variables-files=etc/scons/mongodbtoolchain_stable_clang.vars --ninja generate-ninja --dbg=off --opt=on&quot;) the sources do show correctly in the perf tool.&lt;/p&gt;</comment>
                            <comment id="4362175" author="JIRAUSER1259274" created="Thu, 17 Feb 2022 18:30:32 +0000"  >&lt;p&gt;I&apos;ve installed the newer tools package per Daniel&apos;s instructions above but the perf tool was still showing version &quot;4.15.18&quot; after that and the issue continues to repro. The machine I&apos;m using is an Evergreen VM from &quot;ubuntu1804-metal&quot; distro.&lt;/p&gt;</comment>
                            <comment id="4361897" author="JIRAUSER1257562" created="Thu, 17 Feb 2022 16:53:50 +0000"  >&lt;p&gt;Hi &lt;a href=&quot;https://jira.mongodb.org/secure/ViewProfile.jspa?name=irina.yatsenko&quot; class=&quot;user-hover&quot; rel=&quot;irina.yatsenko&quot;&gt;irina.yatsenko&lt;/a&gt;,  I was wondering if there are any updates in reproducing this? Thank you!&lt;/p&gt;</comment>
                            <comment id="4356863" author="JIRAUSER1259274" created="Tue, 15 Feb 2022 18:33:56 +0000"  >&lt;p&gt;I don&apos;t remember installing perf explicitly. I believe it came with the distro (ubuntu1804-metal). I&apos;ll try to repro on my side again and then upgrade perf to see if the problem goes away. Let me know if you&apos;d like me to do anything else/different.&lt;/p&gt;</comment>
                            <comment id="4355262" author="JIRAUSER1253549" created="Tue, 15 Feb 2022 07:18:40 +0000"  >&lt;p&gt;the perf on my system is 5.4. I didn&apos;t do any special configuration to get perf to show me the source code. I suspect the symbols are there and there is just something missing from the configuration of perf. For my system, I did need to install it, which I did via:&#160;&lt;/p&gt;
&lt;p/&gt;
&lt;div id=&quot;syntaxplugin&quot; class=&quot;syntaxplugin&quot; style=&quot;border: 1px dashed #bbb; border-radius: 5px !important; overflow: auto; max-height: 30em;&quot;&gt;
&lt;table cellspacing=&quot;0&quot; cellpadding=&quot;0&quot; border=&quot;0&quot; width=&quot;100%&quot; style=&quot;font-size: 1em; line-height: 1.4em !important; font-weight: normal; font-style: normal; color: black;&quot;&gt;
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				&lt;tr id=&quot;syntaxplugin_code_and_gutter&quot;&gt;
						&lt;td  style=&quot; line-height: 1.4em !important; padding: 0em; vertical-align: top;&quot;&gt;
					&lt;pre style=&quot;font-size: 1em; margin: 0 10px;  margin-top: 10px;   margin-bottom: 10px;  width: auto; padding: 0;&quot;&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;sudo apt-get install linux-tools-common linux-tools-&lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;5.4&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;.&lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;0&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;-&lt;/span&gt;&lt;span style=&quot;color: #009900; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;1056&lt;/span&gt;&lt;span style=&quot;color: black; font-family: &apos;Consolas&apos;, &apos;Bitstream Vera Sans Mono&apos;, &apos;Courier New&apos;, Courier, monospace !important;&quot;&gt;-aws&lt;/span&gt;&lt;/pre&gt;
			&lt;/td&gt;
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&lt;p/&gt;</comment>
                            <comment id="4355053" author="JIRAUSER1259274" created="Tue, 15 Feb 2022 00:57:19 +0000"  >&lt;p&gt;perf version 4.15.18&lt;br/&gt;
I usually run mongod something like this: numactl --physcpubind=4,5,6,7 ./build/opt/install/bin/mongod --fork --logpath ~/mongod.log --dbpath ~/data --wiredTigerCacheSizeGB 16 --oplogSize 100000 --syncdelay 3600 --nojournal --setParameter ttlMonitorEnabled=false&lt;/p&gt;
</comment>
                            <comment id="4354474" author="JIRAUSER1253549" created="Mon, 14 Feb 2022 20:33:53 +0000"  >&lt;p&gt;I couldn&apos;t reproduce this, when I build with the same command, I can perf record and then perf report and see the source lines. Where you using the mongod in the build/opt/install location? What version of perf does your system have?&lt;/p&gt;</comment>
                    </comments>
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                                                                <inwardlinks description="is related to">
                                        <issuelink>
            <issuekey id="1848281">SERVER-59243</issuekey>
        </issuelink>
            <issuelink>
            <issuekey id="1957070">SERVER-62313</issuekey>
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