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Groups > linux.kernel > #1186372
| From | Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> |
|---|---|
| Newsgroups | linux.kernel |
| Subject | Re: BUG: perf error on syscalls for powerpc64. |
| Date | 2015-07-17 04:00 +0200 |
| Message-ID | <pN36p-7Ts-5@gated-at.bofh.it> (permalink) |
| References | <pMKn7-65c-5@gated-at.bofh.it> <pMNl0-27A-21@gated-at.bofh.it> <pN2Do-7lA-15@gated-at.bofh.it> |
| Organization | linux.* mail to news gateway |
Zumeng Chen [zumeng.chen@gmail.com] wrote: | 3. What I have seen in 3.14.x kernel, | ====================== | And so far, no more difference to 4.x kernel from me about this part if | I'm right. | | *) With 1028ccf5 | | perf list|grep -i syscall got me nothing. | | | *) Without 1028ccf5 | root@localhost:~# perf list|grep -i syscall | syscalls:sys_enter_socket [Tracepoint event] | syscalls:sys_exit_socket [Tracepoint event] | syscalls:sys_enter_socketpair [Tracepoint event] | syscalls:sys_exit_socketpair [Tracepoint event] | syscalls:sys_enter_bind [Tracepoint event] | syscalls:sys_exit_bind [Tracepoint event] | syscalls:sys_enter_listen [Tracepoint event] | syscalls:sys_exit_listen [Tracepoint event] | ... ... Are you seeing this on big-endian or little-endian system? IIRC, I saw the opposite behavior on an LE system a few months ago. i.e. without 1028ccf5, 'perf listf|grep syscall' failed. Applying 1028ccf5, seemed to fix it. Sukadev -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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Re: BUG: perf error on syscalls for powerpc64. Zumeng Chen <zumeng.chen@gmail.com> - 2015-07-17 03:30 +0200
Re: BUG: perf error on syscalls for powerpc64. Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> - 2015-07-17 04:00 +0200
Re: BUG: perf error on syscalls for powerpc64. Zumeng Chen <zumeng.chen@windriver.com> - 2015-07-17 07:40 +0200
Re: BUG: perf error on syscalls for powerpc64. Michael Ellerman <mpe@ellerman.id.au> - 2015-07-17 06:10 +0200
Re: BUG: perf error on syscalls for powerpc64. Zumeng Chen <zumeng.chen@windriver.com> - 2015-07-17 07:40 +0200
Re: BUG: perf error on syscalls for powerpc64. Michael Ellerman <mpe@ellerman.id.au> - 2015-07-21 08:50 +0200
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