https://jira.whamcloud.com This file is an XML representation of an issue en-us 9.4.14 940014 05-12-2023 https://jira.whamcloud.com/browse/LU-13676 Lustre <p>it's not funny to list dozen pages of traces just to find few ones with something important</p> LU-13676

script to show unique backtraces from crash utility

Improvement Minor Resolved Fixed Alex Zhuravlev Alex Zhuravlev Mon, 15 Jun 2020 06:01:01 +0000 Mon, 18 Jan 2021 13:54:05 +0000 Thu, 13 Aug 2020 13:22:06 +0000 Lustre 2.14.0 0 4 <p>Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/38936" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38936</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13676" title="script to show unique backtraces from crash utility" class="issue-link" data-issue-key="LU-13676"><del>LU-13676</del></a> tools: awk script to find unique backtraces<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 920a4c86605f401a314343c5cf6079ed44ba5424</p> <p>I also find it useful to dedup tasks with the same stack trace. The stack1 script attached does this on a running system:</p> <div class="preformatted panel" style="border-width: 1px;"><div class="preformattedContent panelContent"> <pre>$ sudo ./stack1 1 systemd 363 systemd-journal 377 systemd-udevd 530 systemd-timesyn 534 systemd-resolve 594 dbus-daemon 615 systemd-logind 1807 firefox 1866 Privileged Cont 1886 firefox 1887 firefox 1918 WebExtensions 1962 Web Content 1990 Web Content 2036 systemd 2065 dbus-daemon 2071 Xorg 2078 Xorg 2204 dbus-daemon 2839 Web Content 3372 skypeforlinux 3375 skypeforlinux 3502 skypeforlinux 3523 skypeforlinux 3526 skypeforlinux 3528 skypeforlinux 3550 skypeforlinux 3556 skypeforlinux 3558 skypeforlinux 3560 skypeforlinux 3562 skypeforlinux 3578 skypeforlinux 3586 skypeforlinux 3610 skypeforlinux 7883 cupsd 11819 Web Content 11998 Web Content 12091 Web Content 12207 Web Content 12284 Web Content [&lt;0&gt;] ep_poll+0x3d0/0x420 [&lt;0&gt;] do_epoll_wait+0xb8/0xd0 [&lt;0&gt;] __x64_sys_epoll_wait+0x1e/0x30 [&lt;0&gt;] do_syscall_64+0x5a/0x130 [&lt;0&gt;] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2 kthreadd [&lt;0&gt;] kthreadd+0x2cb/0x2e0 [&lt;0&gt;] ret_from_fork+0x35/0x40 ... </pre> </div></div> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/38936/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/38936/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13676" title="script to show unique backtraces from crash utility" class="issue-link" data-issue-key="LU-13676"><del>LU-13676</del></a> tools: awk script to find unique backtraces<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 8a06f30e6048ebcd57e665c3b7de6c7eb7f6718e</p> <p>Landed for 2.14</p> <p>Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: <a href="https://review.whamcloud.com/40956" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40956</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13676" title="script to show unique backtraces from crash utility" class="issue-link" data-issue-key="LU-13676"><del>LU-13676</del></a> tools: find unique stacks from sysrq-t<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: 1<br/> Commit: 6cc6f897fe2c845d7b398b926ca619c2e9f9ba89</p> <p>Oleg Drokin (green@whamcloud.com) merged in patch <a href="https://review.whamcloud.com/40956/" class="external-link" target="_blank" rel="nofollow noopener">https://review.whamcloud.com/40956/</a><br/> Subject: <a href="https://jira.whamcloud.com/browse/LU-13676" title="script to show unique backtraces from crash utility" class="issue-link" data-issue-key="LU-13676"><del>LU-13676</del></a> tools: find unique stacks from sysrq-t<br/> Project: fs/lustre-release<br/> Branch: master<br/> Current Patch Set: <br/> Commit: 3a88442dfffc451b0c598a95d49896e6ba271304</p> Related LU-12461 Development Rank 1|i012pb: Rank (Obsolete) 9223372036854775807