se TIF_NOTIFY_IPI to notify an idle CPU in TIF_POLLING
mode of pending IPI
x86/thread_info: Introduce TIF_NOTIFY_IPI flag
K Prateek Nayak (10):
arm/thread_info: Introduce TIF_NOTIFY_IPI flag
alpha/thread_info: Introduce TIF_NOTIFY_IPI flag
openrisc/thread_info: Introduce TIF_NOTIFY_IPI
nel.org
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Cc: linux...@vger.kernel.org
Signed-off-by: Gautham R. Shenoy
Co-developed-by: K Prateek Nayak
Signed-off-by: K Prateek Nayak
---
a
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Signed-off-by: Gautham R. Shenoy
C
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Cc: Vincent Guittot
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Cc: Steven Rostedt
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Cc: linuxppc-dev@lists.ozlabs
(+ Xuewen Yan, Ke Wang)
Hello Tobias,
On 2/28/2024 9:40 PM, Tobias Huschle wrote:
> The previously used CFS scheduler gave tasks that were woken up an
> enhanced chance to see runtime immediately by deducting a certain value
> from its vruntime on runqueue placement during wakeup.
>
> This prope
g is used. This was one reason for not migrating
> task in idle CPU
Thank you.
>
> On Tue, 20 Feb 2024 at 18:15, K Prateek Nayak wrote:
>>
>> Hello everyone,
>>
>> [..snip..]
>>
>>
>> Skipping newidle_balance()
>> =
no
Cc: Ingo Molnar
Cc: Peter Zijlstra
Cc: Juri Lelli
Cc: Vincent Guittot
Cc: Dietmar Eggemann
Cc: Steven Rostedt
Cc: Ben Segall
Cc: Mel Gorman
Cc: Daniel Bristot de Oliveira
Cc: Valentin Schneider
Cc: K Prateek Nayak
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Cc: linux-ker...@vger.kernel.org
Cc: l
TIF_NOTIFY_IPI to notify an idle CPU in TIF_POLLING
mode of pending IPI
x86/thread_info: Introduce TIF_NOTIFY_IPI flag
K Prateek Nayak (10):
arm/thread_info: Introduce TIF_NOTIFY_IPI flag
alpha/thread_info: Introduce TIF_NOTIFY_IPI flag
openrisc/thread_info: Introduce TIF_NOTIFY_IPI
er.kernel.org
Cc: x...@kernel.org
Signed-off-by: Gautham R. Shenoy
Co-developed-by: K Prateek Nayak
Signed-off-by: K Prateek Nayak
---
v1..v2:
o No changes.
---
include/linux/thread_info.h | 43 +
1 file changed, 43 insertions(+)
diff --git a/include/linux/thr
linux-openr...@vger.kernel.org
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Cc: linux...@vger.kernel.org
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Cc: linux...@vger.kernel.org
Cc: x...@kernel.org
Signed-off-by: Gautham R. Shenoy
Co-developed-by: K Prateek Nayak
Signed-off-by: K P
..@vger.kernel.org
Cc: linux-par...@vger.kernel.org
Cc: linuxppc-dev@lists.ozlabs.org
Cc: linux...@vger.kernel.org
Cc: sparcli...@vger.kernel.org
Cc: linux...@vger.kernel.org
Cc: x...@kernel.org
Signed-off-by: Gautham R. Shenoy
Co-developed-by: K Prateek Nayak
Signed-off-by: K Prateek Nayak
---
v
Hello Russell,
On 6/15/2024 7:56 PM, Russell King (Oracle) wrote:
On Thu, Jun 13, 2024 at 06:15:59PM +, K Prateek Nayak wrote:
o Dropping the ARM results since I never got my hands on the ARM64
system I used in my last testing. If I do manage to get my hands on it
again, I'll
Hello Vincent, Peter,
On 6/16/2024 8:27 PM, Vincent Guittot wrote:
On Sat, 15 Jun 2024 at 03:28, Peter Zijlstra wrote:
On Fri, Jun 14, 2024 at 12:48:37PM +0200, Vincent Guittot wrote:
On Fri, 14 Jun 2024 at 11:28, Peter Zijlstra wrote:
Vincent [5] pointed out a case where the idle load k
Hello Chenyu,
On 6/14/2024 10:01 PM, Chen Yu wrote:
On 2024-06-14 at 12:48:37 +0200, Vincent Guittot wrote:
On Fri, 14 Jun 2024 at 11:28, Peter Zijlstra wrote:
On Thu, Jun 13, 2024 at 06:15:59PM +, K Prateek Nayak wrote:
Effects of call_function_single_prep_ipi
Hello Chenyu,
On 6/18/2024 1:19 PM, Chen Yu wrote:
[..snip..]
Vincent [5] pointed out a case where the idle load kick will fail to
run on an idle CPU since the IPI handler launching the ILB will check
for need_resched(). In such cases, the idle CPU relies on
newidle_balance() to pull tasks to
Hello Li,
Apart from few comments inline below, feel free to include:
Tested-by: K Prateek Nayak
for the entire series.
On 7/6/2025 8:36 AM, Li Chen wrote:
> diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
> index 198bb5cc1774b..0b53e372c445c 100644
&
On 7/10/2025 4:27 PM, Li Chen wrote:
> /*
>* .. and append 'j' levels of NUMA goodness.
>*/
> for (j = 1; j < nr_levels; i++, j++) {
> - tl[i] = (struct sched_domain_topology_level){
> - .mask = sd_numa_mask,
> - .sd_fl
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