On Thu, May 24, 2018 at 06:49:46PM -0400, Steven Rostedt wrote:
>
> From: Steven Rostedt (VMware)
>
> Joel Fernandes found that the synchronize_rcu_tasks() was taking a
> significant amount of time. He demonstrated it with the following test:
>
> # cd /sys/kernel/tracing
> # while [ 1 ]; do x
On 05/24/2018 04:26 PM, Randy Dunlap wrote:
> On 05/24/2018 04:22 PM, Steven Rostedt wrote:
>> On Thu, 24 May 2018 16:19:18 -0700
>> Joel Fernandes wrote:
>>
>>> On Thu, May 24, 2018 at 06:49:46PM -0400, Steven Rostedt wrote:
From: Steven Rostedt (VMware)
Joel Fernandes found
On 05/24/2018 04:22 PM, Steven Rostedt wrote:
> On Thu, 24 May 2018 16:19:18 -0700
> Joel Fernandes wrote:
>
>> On Thu, May 24, 2018 at 06:49:46PM -0400, Steven Rostedt wrote:
>>>
>>> From: Steven Rostedt (VMware)
>>>
>>> Joel Fernandes found that the synchronize_rcu_tasks() was taking a
>>> sig
On Thu, 24 May 2018 16:19:18 -0700
Joel Fernandes wrote:
> On Thu, May 24, 2018 at 06:49:46PM -0400, Steven Rostedt wrote:
> >
> > From: Steven Rostedt (VMware)
> >
> > Joel Fernandes found that the synchronize_rcu_tasks() was taking a
> > significant amount of time. He demonstrated it with th
On Thu, May 24, 2018 at 06:49:46PM -0400, Steven Rostedt wrote:
>
> From: Steven Rostedt (VMware)
>
> Joel Fernandes found that the synchronize_rcu_tasks() was taking a
> significant amount of time. He demonstrated it with the following test:
>
> # cd /sys/kernel/tracing
> # while [ 1 ]; do x
From: Steven Rostedt (VMware)
Joel Fernandes found that the synchronize_rcu_tasks() was taking a
significant amount of time. He demonstrated it with the following test:
# cd /sys/kernel/tracing
# while [ 1 ]; do x=1; done &
# echo '__schedule_bug:traceon' > set_ftrace_filter
# time echo '!_
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