Messages in this thread | | | From | "Rafael J. Wysocki" <> | Date | Wed, 28 Mar 2018 12:56:42 +0200 | Subject | Re: [RFT][PATCH v7 6/8] sched: idle: Select idle state before stopping the tick |
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On Wed, Mar 28, 2018 at 12:37 PM, Rafael J. Wysocki <rafael@kernel.org> wrote: > On Wed, Mar 28, 2018 at 10:38 AM, Thomas Ilsche > <thomas.ilsche@tu-dresden.de> wrote: >> On 2018-03-28 10:13, Rafael J. Wysocki wrote: >>>
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> > So I do > > $ for cpu in 0 1 2 3; do taskset -c $cpu sh -c 'while true; do usleep > 500; done' & done > > which is a shell kind of imitation of the above and I cannot see this > issue at all. > > I count the number of times data->next_timer_us in menu_select() is > greater than TICK_USEC and while this "workload" is running, that > number is exactly 0. > > I'll try with a C program still.
And with a C program I see data->next_timer_us greater than TICK_USEC while it is running, so let me dig deeper.
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