Re: [PATCH] perf tool: Ensure forward progress unwinding frames

2013-12-09 Thread Jiri Olsa
On Mon, Dec 09, 2013 at 07:05:15AM -0700, David Ahern wrote: > On 12/9/13, 3:02 AM, Jiri Olsa wrote: > >>On 12/1/13, 5:01 PM, David Ahern wrote: > >>>The dwarf option for callstacks is getting stuck on the unwind and showing > >>>repeated frames. For example, > >>> > >>>qemu-system-x86 13759 [001]

Re: [PATCH] perf tool: Ensure forward progress unwinding frames

2013-12-09 Thread David Ahern
On 12/9/13, 3:02 AM, Jiri Olsa wrote: On 12/1/13, 5:01 PM, David Ahern wrote: The dwarf option for callstacks is getting stuck on the unwind and showing repeated frames. For example, qemu-system-x86 13759 [001] 287663.084957: syscalls:sys_enter_futex: uaddr: 0x7f770a958700, op: 0x0081, val

Re: [PATCH] perf tool: Ensure forward progress unwinding frames

2013-12-09 Thread Jiri Olsa
On Sun, Dec 08, 2013 at 10:46:13AM -0700, David Ahern wrote: > ping.. Jiri, any thoughts on this? oops, missed that.. sry > > On 12/1/13, 5:01 PM, David Ahern wrote: > >The dwarf option for callstacks is getting stuck on the unwind and showing > >repeated frames. For example, > > > >qemu-system-

Re: [PATCH] perf tool: Ensure forward progress unwinding frames

2013-12-08 Thread David Ahern
ping.. Jiri, any thoughts on this? On 12/1/13, 5:01 PM, David Ahern wrote: The dwarf option for callstacks is getting stuck on the unwind and showing repeated frames. For example, qemu-system-x86 13759 [001] 287663.084957: syscalls:sys_enter_futex: uaddr: 0x7f770a958700, op: 0x0081, val: 0

[PATCH] perf tool: Ensure forward progress unwinding frames

2013-12-01 Thread David Ahern
The dwarf option for callstacks is getting stuck on the unwind and showing repeated frames. For example, qemu-system-x86 13759 [001] 287663.084957: syscalls:sys_enter_futex: uaddr: 0x7f770a958700, op: 0x0081, val: 0x0001, utime: 0x7f75ea 7f7705fd23ea __lll_unlock_wake (/lib64/