[Kernel-packages] [Bug 1711075] Re: [Power 9, Power NV][WSP/Boston]Ubuntu 16.04.03 : perf test is hung at Breakpoint overflow signal handler
*** This bug is a duplicate of bug 1706033 *** https://bugs.launchpad.net/bugs/1706033 ** Tags added: cscc -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1711075 Title: [Power 9, Power NV][WSP/Boston]Ubuntu 16.04.03 : perf test is hung at Breakpoint overflow signal handler Status in The Ubuntu-power-systems project: Incomplete Status in linux package in Ubuntu: In Progress Bug description: == Comment: # - Shriya R. Kulkarni <> - 2017-06-14 01:11:02 == Problem Description : = perf test is hung at Breakpoint overflow signal handler. Machine details : == System : WSP , P9 baremetal. OS : Ubuntu 16.04.03 uname -a : Linux ltc-wspoon3 4.10.0-23-generic #25~16.04.1-Ubuntu SMP Fri Jun 9 10:43:34 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux Testing: root@ltc-wspoon3:~# perf test 1: vmlinux symtab matches kallsyms: Skip 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Skip 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler :^C root@ltc-wspoon3:~# perf test -v 17 17: Breakpoint overflow signal handler : --- start --- test child forked, pid 3802 failed opening event 0 failed opening event 0 Attach : strace output. Steps to reproduce : 1. Install perf. 2. Run perf test. 3. When system hangs , exit it by : ^c. == Comment: # - Ravikumar B. Bangoria <> - 2017-07-13 04:44:29 == Shriya, Can you please check after applying: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=d89ba5353f301971dd7d2f9fdf25c4432728f38e == Comment: # - Shriya R. Kulkarni <> - 2017-07-19 06:28:13 == Verified and Tested on Ubuntu 16.04.03: = uname -a : 4.10.0-27-generic System : Boston Testing without patch using distro perf: root@ltc-boston27:~# perf test 1: vmlinux symtab matches kallsyms: Skip 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Skip 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler :^C root@ltc-boston27:~# Testing with Patch using distro perf : == root@ltc-boston27:~/linux-hwe-4.10.0/tools/perf# ./perf test 1: vmlinux symtab matches kallsyms: Ok 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Ok 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler : FAILED! 18: Breakpoint overflow sampling : FAILED! 19: Number of exit events of a simple workload : Ok 20: Software clock events period values: Ok 21: Object code reading: FAILED! 22: Sample parsing
[Kernel-packages] [Bug 1711075] Re: [Power 9, Power NV][WSP/Boston]Ubuntu 16.04.03 : perf test is hung at Breakpoint overflow signal handler
*** This bug is a duplicate of bug 1706033 *** https://bugs.launchpad.net/bugs/1706033 Commit d89ba5353f301 was SRU'd for bug 1706033, so I'll mark this bug as a duplicate of that bug. ** This bug has been marked a duplicate of bug 1706033 [P9, Power NV][ WSP][Ubuntu 16.04.03] : perf hw breakpoint command results in call traces and system goes for reboot. -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1711075 Title: [Power 9, Power NV][WSP/Boston]Ubuntu 16.04.03 : perf test is hung at Breakpoint overflow signal handler Status in The Ubuntu-power-systems project: Incomplete Status in linux package in Ubuntu: In Progress Bug description: == Comment: # - Shriya R. Kulkarni <> - 2017-06-14 01:11:02 == Problem Description : = perf test is hung at Breakpoint overflow signal handler. Machine details : == System : WSP , P9 baremetal. OS : Ubuntu 16.04.03 uname -a : Linux ltc-wspoon3 4.10.0-23-generic #25~16.04.1-Ubuntu SMP Fri Jun 9 10:43:34 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux Testing: root@ltc-wspoon3:~# perf test 1: vmlinux symtab matches kallsyms: Skip 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Skip 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler :^C root@ltc-wspoon3:~# perf test -v 17 17: Breakpoint overflow signal handler : --- start --- test child forked, pid 3802 failed opening event 0 failed opening event 0 Attach : strace output. Steps to reproduce : 1. Install perf. 2. Run perf test. 3. When system hangs , exit it by : ^c. == Comment: # - Ravikumar B. Bangoria <> - 2017-07-13 04:44:29 == Shriya, Can you please check after applying: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=d89ba5353f301971dd7d2f9fdf25c4432728f38e == Comment: # - Shriya R. Kulkarni <> - 2017-07-19 06:28:13 == Verified and Tested on Ubuntu 16.04.03: = uname -a : 4.10.0-27-generic System : Boston Testing without patch using distro perf: root@ltc-boston27:~# perf test 1: vmlinux symtab matches kallsyms: Skip 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Skip 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler :^C root@ltc-boston27:~# Testing with Patch using distro perf : == root@ltc-boston27:~/linux-hwe-4.10.0/tools/perf# ./perf test 1: vmlinux symtab matches kallsyms: Ok 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Ok 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler : FAILED!
[Kernel-packages] [Bug 1711075] Re: [Power 9, Power NV][WSP/Boston]Ubuntu 16.04.03 : perf test is hung at Breakpoint overflow signal handler
IBM, could you pls test the kernel provided by Joe and report back here? ** Package changed: kernel-package (Ubuntu) => linux (Ubuntu) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1711075 Title: [Power 9, Power NV][WSP/Boston]Ubuntu 16.04.03 : perf test is hung at Breakpoint overflow signal handler Status in The Ubuntu-power-systems project: Incomplete Status in linux package in Ubuntu: In Progress Bug description: == Comment: # - Shriya R. Kulkarni <> - 2017-06-14 01:11:02 == Problem Description : = perf test is hung at Breakpoint overflow signal handler. Machine details : == System : WSP , P9 baremetal. OS : Ubuntu 16.04.03 uname -a : Linux ltc-wspoon3 4.10.0-23-generic #25~16.04.1-Ubuntu SMP Fri Jun 9 10:43:34 UTC 2017 ppc64le ppc64le ppc64le GNU/Linux Testing: root@ltc-wspoon3:~# perf test 1: vmlinux symtab matches kallsyms: Skip 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Skip 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler :^C root@ltc-wspoon3:~# perf test -v 17 17: Breakpoint overflow signal handler : --- start --- test child forked, pid 3802 failed opening event 0 failed opening event 0 Attach : strace output. Steps to reproduce : 1. Install perf. 2. Run perf test. 3. When system hangs , exit it by : ^c. == Comment: # - Ravikumar B. Bangoria <> - 2017-07-13 04:44:29 == Shriya, Can you please check after applying: https://git.kernel.org/pub/scm/linux/kernel/git/powerpc/linux.git/commit/?id=d89ba5353f301971dd7d2f9fdf25c4432728f38e == Comment: # - Shriya R. Kulkarni <> - 2017-07-19 06:28:13 == Verified and Tested on Ubuntu 16.04.03: = uname -a : 4.10.0-27-generic System : Boston Testing without patch using distro perf: root@ltc-boston27:~# perf test 1: vmlinux symtab matches kallsyms: Skip 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Skip 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler :^C root@ltc-boston27:~# Testing with Patch using distro perf : == root@ltc-boston27:~/linux-hwe-4.10.0/tools/perf# ./perf test 1: vmlinux symtab matches kallsyms: Ok 2: Detect openat syscall event: Ok 3: Detect openat syscall event on all cpus: Ok 4: Read samples using the mmap interface : Ok 5: Parse event definition strings : Ok 6: PERF_RECORD_* events & perf_sample fields : Ok 7: Parse perf pmu format : Ok 8: DSO data read : Ok 9: DSO data cache : Ok 10: DSO data reopen: Ok 11: Roundtrip evsel->name : Ok 12: Parse sched tracepoints fields : Ok 13: syscalls:sys_enter_openat event fields : Ok 14: Setup struct perf_event_attr : Ok 15: Match and link multiple hists : Ok 16: 'import perf' in python: Ok 17: Breakpoint overflow signal handler : FAILED! 18: Breakpoint overflow sampling : FAILED! 19: Number of exit events of a simple workload : Ok 20: Software clock events period values: Ok 21: Object code reading: FAILED! 22:
