Uploaded image for project: 'Lustre'
  1. Lustre
  2. LU-13676

script to show unique backtraces from crash utility

Details

    • Improvement
    • Resolution: Fixed
    • Minor
    • Lustre 2.14.0
    • None
    • None
    • 9223372036854775807

    Description

      it's not funny to list dozen pages of traces just to find few ones with something important

      Attachments

        Issue Links

          is related to

          New Feature - A new feature of the product, which has yet to be developed. LU-12461 Contribute epython scripts to aid crash dump analysis

          • Minor - Minor loss of function, or other problem where easy workaround is present.
          • Resolved

          Activity

            [LU-13676] script to show unique backtraces from crash utility
            gerrit Gerrit Updater added a comment -

            Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/40956/
            Subject: LU-13676 tools: find unique stacks from sysrq-t
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 3a88442dfffc451b0c598a95d49896e6ba271304

            gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/40956/ Subject: LU-13676 tools: find unique stacks from sysrq-t Project: fs/lustre-release Branch: master Current Patch Set: Commit: 3a88442dfffc451b0c598a95d49896e6ba271304
            gerrit Gerrit Updater added a comment -

            Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/40956
            Subject: LU-13676 tools: find unique stacks from sysrq-t
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 6cc6f897fe2c845d7b398b926ca619c2e9f9ba89

            gerrit Gerrit Updater added a comment - Andreas Dilger (adilger@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/40956 Subject: LU-13676 tools: find unique stacks from sysrq-t Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 6cc6f897fe2c845d7b398b926ca619c2e9f9ba89
            pjones Peter Jones added a comment -

            Landed for 2.14

            pjones Peter Jones added a comment - Landed for 2.14
            gerrit Gerrit Updater added a comment -

            Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/38936/
            Subject: LU-13676 tools: awk script to find unique backtraces
            Project: fs/lustre-release
            Branch: master
            Current Patch Set:
            Commit: 8a06f30e6048ebcd57e665c3b7de6c7eb7f6718e

            gerrit Gerrit Updater added a comment - Oleg Drokin (green@whamcloud.com) merged in patch https://review.whamcloud.com/38936/ Subject: LU-13676 tools: awk script to find unique backtraces Project: fs/lustre-release Branch: master Current Patch Set: Commit: 8a06f30e6048ebcd57e665c3b7de6c7eb7f6718e
            jhammond John Hammond added a comment -

            I also find it useful to dedup tasks with the same stack trace. The stack1 script attached does this on a running system:

            $ 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
[<0>] ep_poll+0x3d0/0x420
[<0>] do_epoll_wait+0xb8/0xd0
[<0>] __x64_sys_epoll_wait+0x1e/0x30
[<0>] do_syscall_64+0x5a/0x130
[<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9

2 kthreadd
[<0>] kthreadd+0x2cb/0x2e0
[<0>] ret_from_fork+0x35/0x40
...
            jhammond John Hammond added a comment - I also find it useful to dedup tasks with the same stack trace. The stack1 script attached does this on a running system: $ 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 [<0>] ep_poll+0x3d0/0x420 [<0>] do_epoll_wait+0xb8/0xd0 [<0>] __x64_sys_epoll_wait+0x1e/0x30 [<0>] do_syscall_64+0x5a/0x130 [<0>] entry_SYSCALL_64_after_hwframe+0x44/0xa9 2 kthreadd [<0>] kthreadd+0x2cb/0x2e0 [<0>] ret_from_fork+0x35/0x40 ...
            gerrit Gerrit Updater added a comment -

            Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/38936
            Subject: LU-13676 tools: awk script to find unique backtraces
            Project: fs/lustre-release
            Branch: master
            Current Patch Set: 1
            Commit: 920a4c86605f401a314343c5cf6079ed44ba5424

            gerrit Gerrit Updater added a comment - Alex Zhuravlev (bzzz@whamcloud.com) uploaded a new patch: https://review.whamcloud.com/38936 Subject: LU-13676 tools: awk script to find unique backtraces Project: fs/lustre-release Branch: master Current Patch Set: 1 Commit: 920a4c86605f401a314343c5cf6079ed44ba5424

            People

              bzzz Alex Zhuravlev
              bzzz Alex Zhuravlev
              Votes:
              0 Vote for this issue
              Watchers:
              5 Start watching this issue

              Dates

                Created:
                Updated:
                Resolved: