Messages in this thread | | | Date | Thu, 16 Jul 2015 18:51:04 -0700 | From | Sukadev Bhattiprolu <> | Subject | Re: BUG: perf error on syscalls for powerpc64. |
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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
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