Hello Dennis,
On 20/04/21 8:09 pm, Dennis Zhou wrote:
On Tue, Apr 20, 2021 at 04:37:02PM +0530, Pratik Sampat wrote:
On 20/04/21 4:27 am, Dennis Zhou wrote:
On Mon, Apr 19, 2021 at 10:50:43PM +, Dennis Zhou wrote:
Hello,
This series is a continuation of Roman's series in [1]. It aims
On 20/04/21 4:27 am, Dennis Zhou wrote:
On Mon, Apr 19, 2021 at 10:50:43PM +, Dennis Zhou wrote:
Hello,
This series is a continuation of Roman's series in [1]. It aims to solve
chunks holding onto free pages by adding a reclaim process to the percpu
balance work item.
The main
On 17/04/21 3:17 am, Dennis Zhou wrote:
Hello,
On Sat, Apr 17, 2021 at 01:14:03AM +0530, Pratik Sampat wrote:
On 17/04/21 12:39 am, Roman Gushchin wrote:
On Sat, Apr 17, 2021 at 12:11:37AM +0530, Pratik Sampat wrote:
On 17/04/21 12:04 am, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 11
On 17/04/21 1:33 am, Roman Gushchin wrote:
On Sat, Apr 17, 2021 at 01:14:03AM +0530, Pratik Sampat wrote:
On 17/04/21 12:39 am, Roman Gushchin wrote:
On Sat, Apr 17, 2021 at 12:11:37AM +0530, Pratik Sampat wrote:
On 17/04/21 12:04 am, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 11:57
On 17/04/21 12:39 am, Roman Gushchin wrote:
On Sat, Apr 17, 2021 at 12:11:37AM +0530, Pratik Sampat wrote:
On 17/04/21 12:04 am, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 11:57:03PM +0530, Pratik Sampat wrote:
On 16/04/21 10:43 pm, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 08:58
On 17/04/21 12:04 am, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 11:57:03PM +0530, Pratik Sampat wrote:
On 16/04/21 10:43 pm, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 08:58:33PM +0530, Pratik Sampat wrote:
Hello Dennis,
I apologize for the clutter of logs before, I'm pasting
On 16/04/21 10:43 pm, Roman Gushchin wrote:
On Fri, Apr 16, 2021 at 08:58:33PM +0530, Pratik Sampat wrote:
Hello Dennis,
I apologize for the clutter of logs before, I'm pasting the logs of before and
after the percpu test in the case of the patchset being applied on 5.12-rc6 and
the vanilla
, Pratik Sampat wrote:
Hello Roman,
I've tried the v3 patch series on a POWER9 and an x86 KVM setup.
My results of the percpu_test are as follows:
Intel KVM 4CPU:4G
Vanilla 5.12-rc6
# ./percpu_test.sh
Percpu: 1952 kB
Percpu: 219648 kB
Percpu: 219648 kB
5.12-rc6
Hello Roman,
I've tried the v3 patch series on a POWER9 and an x86 KVM setup.
My results of the percpu_test are as follows:
Intel KVM 4CPU:4G
Vanilla 5.12-rc6
# ./percpu_test.sh
Percpu: 1952 kB
Percpu: 219648 kB
Percpu: 219648 kB
5.12-rc6 + with patchset applied
Hello Doug,
On 09/04/21 10:53 am, Doug Smythies wrote:
Hi Pratik,
I tried V3 on a Intel i5-10600K processor with 6 cores and 12 CPUs.
The core to cpu mappings are:
core 0 has cpus 0 and 6
core 1 has cpus 1 and 7
core 2 has cpus 2 and 8
core 3 has cpus 3 and 9
core 4 has cpus 4 and 10
core 5
Hello Doug,
Thanks for your review.
On 02/04/21 4:57 am, Doug Smythies wrote:
Hi Pratik,
On Thu, Apr 1, 2021 at 4:45 AM Pratik Rajesh Sampat
wrote:
...
To run this test specifically:
$ make -C tools/testing/selftests TARGETS="cpuidle" run_tests
I have not become any smarter than I was
Hi Doug,
On 20/03/21 8:34 pm, Doug Smythies wrote:
On Wed, Mar 17, 2021 at 11:44 PM Pratik Sampat wrote:
Hi Doug,
Thanks for trying these patches out.
On 18/03/21 2:30 am, Doug Smythies wrote:
Hi Pratik,
It just so happens that I have been trying Artem's version this last
week, so I tried
Hi Doug,
Thanks for trying these patches out.
On 18/03/21 2:30 am, Doug Smythies wrote:
Hi Pratik,
It just so happens that I have been trying Artem's version this last
week, so I tried yours.
On Mon, Mar 15, 2021 at 4:49 AM Pratik Rajesh Sampat
wrote:
...
To run this test specifically:
$
On 03/09/20 8:20 pm, Artem Bityutskiy wrote:
On Thu, 2020-09-03 at 17:30 +0530, Pratik Sampat wrote:
I certainly did not know about that the Intel architecture being aware
of timers and pre-wakes the CPUs which makes the timer experiment
observations void.
Well, things depend on platform
Hello Artem,
On 02/09/20 8:55 pm, Artem Bityutskiy wrote:
On Wed, 2020-09-02 at 17:15 +0530, Pratik Rajesh Sampat wrote:
Measure cpuidle latencies on wakeup to determine and compare with the
advertsied wakeup latencies for each idle state.
Thank you for pointing me to your talk. It was very
On 26/08/20 2:07 pm, Christophe Leroy wrote:
Le 26/08/2020 à 10:29, Pratik Rajesh Sampat a écrit :
Cpuidle stop state implementation has minor optimizations for P10
where hardware preserves more SPR registers compared to P9.
The current P9 driver works for P10, although does few extra
Hello Rafael,
On 27/07/20 7:12 pm, Rafael J. Wysocki wrote:
On Tue, Jul 21, 2020 at 2:43 PM Pratik Rajesh Sampat
wrote:
Fire directed smp_call_function_single IPIs from a specified source
CPU to the specified target CPU to reduce the noise we have to wade
through in the trace log.
And
On 24/07/20 6:55 am, Michael Neuling wrote:
On Fri, 2020-07-10 at 10:52 +0530, Pratik Rajesh Sampat wrote:
Additional registers DAWR0, DAWRX0 may be lost on Power 10 for
stop levels < 4.
Therefore save the values of these SPRs before entering a "stop"
state and restore their values on
Hello Daniel,
On 21/07/20 8:27 pm, Daniel Lezcano wrote:
On 21/07/2020 14:42, Pratik Rajesh Sampat wrote:
v2: https://lkml.org/lkml/2020/7/17/369
Changelog v2-->v3
Based on comments from Gautham R. Shenoy adding the following in the
selftest,
1. Grepping modules to determine if already loaded
Hi Gautham, Thanks for the review.
On 20/07/20 11:22 am, Gautham R Shenoy wrote:
Hi Pratik,
On Fri, Jul 17, 2020 at 02:48:01PM +0530, Pratik Rajesh Sampat wrote:
This patch adds support to trace IPI based and timer based wakeup
latency from idle states
Latches onto the test-cpuidle_latency
On 20/07/20 5:27 am, Nicholas Piggin wrote:
Excerpts from Pratik Rajesh Sampat's message of July 18, 2020 4:53 am:
Replace the variable name from using "pnv_first_spr_loss_level" to
"pnv_first_fullstate_loss_level".
As pnv_first_spr_loss_level is supposed to be the earliest state that
has
On 20/07/20 5:30 am, Nicholas Piggin wrote:
Excerpts from Pratik Rajesh Sampat's message of July 18, 2020 4:53 am:
As the idle framework's architecture is incomplete, hence instead of
checking for just the processor type advertised in the device tree CPU
features; check for the Processor
On 13/07/20 10:20 pm, Nicholas Piggin wrote:
Excerpts from Pratik Sampat's message of July 13, 2020 8:02 pm:
Thank you for your comments,
On 13/07/20 10:53 am, Nicholas Piggin wrote:
Excerpts from Pratik Rajesh Sampat's message of July 10, 2020 3:22 pm:
Changelog v1 --> v2:
1.
Thank you for your comments,
On 13/07/20 10:53 am, Nicholas Piggin wrote:
Excerpts from Pratik Rajesh Sampat's message of July 10, 2020 3:22 pm:
Changelog v1 --> v2:
1. Save-restore DAWR and DAWRX unconditionally as they are lost in
shallow idle states too
2. Rename pnv_first_spr_loss_level to
On 09/07/20 2:39 pm, Gautham R Shenoy wrote:
On Fri, Jul 03, 2020 at 06:16:40PM +0530, Pratik Rajesh Sampat wrote:
Additional registers DAWR0, DAWRX0 may be lost on Power 10 for
stop levels < 4.
Adding Ravi Bangoria to the cc.
Therefore save the values of these SPRs before entering a
[..snip..]
+
+ins_mod()
+{
+ if [ ! -f "$MODULE" ]; then
+ printf "$MODULE module does not exist. Exitting\n"
+ exit 2
Please use ksft_skip code to indicate the test is being skipped.
Sure thing I'll use ksft_skip exit code instead.
+ fi
+ printf "Inserting $MODULE
Hello Doug,
Thanks a lot for running these benchmarks on an Intel box.
On 17/05/20 11:41 pm, Doug Smythies wrote:
On 2020.05.11 Pratik Rajesh Sampat wrote:
First RFC posting:https://lkml.org/lkml/2020/2/22/27
Summary:
On that thread I wrote:
> I have done a couple of other tests with
On 13/05/20 8:19 pm, Rafael J. Wysocki wrote:
On Wed, May 13, 2020 at 7:31 AM Pratik Sampat wrote:
Thanks for your comment.
On 12/05/20 11:07 pm, Peter Zijlstra wrote:
Just a quick note..
On Mon, May 11, 2020 at 07:40:55PM +0530, Pratik Rajesh Sampat wrote:
+/*
+ * Rearrange
Thanks for your comment.
On 12/05/20 11:07 pm, Peter Zijlstra wrote:
Just a quick note..
On Mon, May 11, 2020 at 07:40:55PM +0530, Pratik Rajesh Sampat wrote:
+ /*
+* Rearrange the weight distribution of the state, increase the weight
+* by the LEARNING RATE % for the
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