On Tue, Oct 23, 2012 at 6:19 AM, Yan, Zheng wrote:
> On 10/22/2012 04:31 PM, Stephane Eranian wrote:
>> On Mon, Oct 22, 2012 at 7:57 AM, Yan, Zheng wrote:
>>> From: "Yan, Zheng"
>>>
>>> When the LBR call stack is enabled, it is necessary to save/restore
>>> the stack on context switch. The solut
On 10/22/2012 04:31 PM, Stephane Eranian wrote:
> On Mon, Oct 22, 2012 at 7:57 AM, Yan, Zheng wrote:
>> From: "Yan, Zheng"
>>
>> When the LBR call stack is enabled, it is necessary to save/restore
>> the stack on context switch. The solution is saving/restoring the
>> stack to/from task's perf ev
On Mon, Oct 22, 2012 at 7:57 AM, Yan, Zheng wrote:
> From: "Yan, Zheng"
>
> When the LBR call stack is enabled, it is necessary to save/restore
> the stack on context switch. The solution is saving/restoring the
> stack to/from task's perf event context. If task has no perf event
> context, just
From: "Yan, Zheng"
When the LBR call stack is enabled, it is necessary to save/restore
the stack on context switch. The solution is saving/restoring the
stack to/from task's perf event context. If task has no perf event
context, just flush the stack on context switch.
Signed-off-by: Yan, Zheng
From: "Yan, Zheng"
When the LBR call stack is enabled, it is necessary to save/restore
the stack on context switch. The solution is saving/restoring the
stack to/from task's perf event context. If task has no perf event
context, just flush the stack on context switch.
Signed-off-by: Yan, Zheng
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