Date   

Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/24/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi Alex,

 

How do you mount the nfs? I mean what is the option?

 

Regards,

hake

 

From: Alexey Brodkin <Alexey.Brodkin@...>
Sent: 2021
524 19:07
To: Hake Huang <hake.huang@...>
Cc: testing-wg@...; Eugeniy Paltsev <Eugeniy.Paltsev@...>
Subject: Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/24/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

 

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Hi Hake, all,

 

Our scenario for build problem reproduction is quite simple:

  1. Zephyr SDK installed on NFS share
  2. Massively parallel execution, e.g. 10 instances of "twister" script building & running entire test-suite for all QEMU platforms.

If we move Zephyr SDK right to the build machine the issue goes away.

Use of simulated platforms is important because their executions happen in parallel, while execution on a real target boards is gated by very limited amount of available boards (we may have a few, but not 10s or even 100s).

 

Another interesting observation is with use of the same one technical user for execution of all "twister" instances (and subsequently all children processes) we quite early hit a limit of processes existing simultaneously for 1 user. On our servers we have "max user processes" ("ulimit -u") set to 4096 by default. And so the first thing we learned it's necessary to set it to something much higher, which we don now to get NFS-related problem reproduced.

 

Now, NFS-related problem seem to be related to some issues with synchronization as at some point we get a lot of python processes waiting for something with the following stack-trace:

---------------------->8----------------------

$ cat /proc/30876/stack

[<ffffffff9a912076>] futex_wait_queue_me+0xc6/0x130

[<ffffffff9a912e1b>] futex_wait+0x17b/0x280

[<ffffffff9a914b66>] do_futex+0x106/0x5a0

[<ffffffff9a915080>] SyS_futex+0x80/0x190

[<ffffffff9af8dede>] system_call_fastpath+0x25/0x2a

[<ffffffffffffffff>] 0xffffffffffffffff

---------------------->8----------------------

 

We're still in progress of debugging that. Once we have more data, we'll happily share it!

 

-Alexey


From: testing-wg@... <testing-wg@...> on behalf of Hake Huang <hake.huang@...>
Sent: Monday, May 24, 2021 7:50 AM
To: testing-wg@... <testing-wg@...>
Subject: Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/24/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

 

Hi All,

 

Todays weekly meeting agenda

 

Follow up last weekly meeting

 

1.     Mcuboot can be ROM?

2.     Multi-branch checking in parallel. Alex, do you send out your scenario summary?

3.     https://github.com/zephyrproject-rtos/zephyr/issues/34571

according to my experiences, it is because your board uart output some exception character which looks like a EOF to console handler.

 

 

General topics:

 

1.     V.2.6.0 board testing discussion.

a)      Any common pending issues found in this release?

 

  1. Zephyr summit topic discussion

https://github.com/zephyrproject-rtos/zephyr/wiki/2021-Zephyr-Developer-Summit

 

3.     Round table discussion

 

Regards,

Hake

 

 

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524 20:50
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Subject: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/24/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

 

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/24/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

Todays weekly meeting agenda

 

Follow up last weekly meeting

 

1.     Mcuboot can be ROM?

2.     Multi-branch checking in parallel. Alex, do you send out your scenario summary?

3.     https://github.com/zephyrproject-rtos/zephyr/issues/34571

according to my experiences, it is because your board uart output some exception character which looks like a EOF to console handler.

 

 

General topics:

 

1.     V.2.6.0 board testing discussion.

a)      Any common pending issues found in this release?

 

  1. Zephyr summit topic discussion

https://github.com/zephyrproject-rtos/zephyr/wiki/2021-Zephyr-Developer-Summit

 

3.     Round table discussion

 

Regards,

Hake

 

 

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524 20:50
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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/17/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Paul Fagerburg <pfagerburg@...>
 

I am also not able to attend today.

-paul


On Mon, May 17, 2021 at 6:33 AM Nashif, Anas <anas.nashif@...> wrote:

Hi,

Will not be able to make it today. I will send the information about the summit and the lineup of topics we want to have covered in the miniconf later today. Sorry about the delay.

 

Anas

 

From: testing-wg@... <testing-wg@...> on behalf of Hake Huang <hake.huang@...>
Date: Monday, 17 May 2021 at 04:05
To: testing-wg@... <testing-wg@...>
Subject: Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/17/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hi All,

 

Todays weekly meeting agenda

 

 

1.       V.2.6.0-rc1 board testing discussion.

a)         Some parallel run failure with jlink debugger license pop window found in NXP side.

b)        Flash error in soe RT boards. (add --erase option in west flash for some platform, application?)

 

 

2.       Zephyr summit topic discussion

https://github.com/zephyrproject-rtos/zephyr/wiki/2021-Zephyr-Developer-Summit

 

3.       Round table discussion

 

Regards,

Hake

 

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517 20:50
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--

Paul Fagerburg | Software Engineer | pfagerburg@... | 720-388-1984
🔵 Blue Dot Listener


Zephyr: Testing WG weekly call - Mon, 05/17/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/17/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Nashif, Anas
 

Hi,

Will not be able to make it today. I will send the information about the summit and the lineup of topics we want to have covered in the miniconf later today. Sorry about the delay.

 

Anas

 

From: testing-wg@... <testing-wg@...> on behalf of Hake Huang <hake.huang@...>
Date: Monday, 17 May 2021 at 04:05
To: testing-wg@... <testing-wg@...>
Subject: Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/17/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hi All,

 

Todays weekly meeting agenda

 

 

1.       V.2.6.0-rc1 board testing discussion.

a)         Some parallel run failure with jlink debugger license pop window found in NXP side.

b)        Flash error in soe RT boards. (add --erase option in west flash for some platform, application?)

 

 

2.       Zephyr summit topic discussion

https://github.com/zephyrproject-rtos/zephyr/wiki/2021-Zephyr-Developer-Summit

 

3.       Round table discussion

 

Regards,

Hake

 

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517 20:50
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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/17/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

Today’s weekly meeting agenda

 

 

1.     V.2.6.0-rc1 board testing discussion.

a)      Some parallel run failure with jlink debugger license pop window found in NXP side.

b)      Flash error in soe RT boards. (add --erase option in west flash for some platform, application?)

 

 

  1. Zephyr summit topic discussion

https://github.com/zephyrproject-rtos/zephyr/wiki/2021-Zephyr-Developer-Summit

 

3.     Round table discussion

 

Regards,

Hake

 

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517 20:50
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Zephyr: Testing WG weekly call - Mon, 05/10/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

testing-wg@lists.zephyrproject.org Calendar <testing-wg@...>
 

Reminder: Zephyr: Testing WG weekly call

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/10/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

The agenda for this weekly meeting:

 

1.     V2.6-rc1 testing status discussion.

 

2.     Round table discussion.

 

Regards,

Hake

 

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53 20:50
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Zephyr: Testing WG weekly call - Mon, 05/03/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

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Reminder: Zephyr: Testing WG weekly call

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/03/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Nashif, Anas
 

Should we cancel, given that china and Europe are out today?

 

Anas

 

From: testing-wg@... <testing-wg@...> on behalf of Hake Huang <hake.huang@...>
Date: Sunday, 2 May 2021 at 22:01
To: testing-wg@... <testing-wg@...>
Subject: Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/03/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hi All,

 

Due to China holiday, I am not able to join this weekly meeting.

 

Regards,

Hake

 

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53 20:50
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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 05/03/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

Due to China holiday, I am not able to join this weekly meeting.

 

Regards,

Hake

 

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Zephyr: Testing WG weekly call - Mon, 04/26/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 04/26/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

This weekly meeting agenda:

 

1.    benchmark application cooperation discussion. (Rob, 20 minutes)

2.   Round table

 

 

Regards,

Hake

 

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Zephyr: Testing WG weekly call - Mon, 04/19/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

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Reminder: Zephyr: Testing WG weekly call

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 04/19/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

Weekly meeting agenda:

 

1.    Proposal on benchmark test suites. (Hake, 15 minutes)

a)      Page 6 in attached PPT.

 

2.   Round table

 

Regards,

Hake

 

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Zephyr: Testing WG weekly call - Mon, 04/12/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

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Reminder: Zephyr: Testing WG weekly call

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 04/012/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

Weekly meeting agenda:

 

1.     Test plan discussion: (Hake/all 20 minutes, continue with last week’s introduction)

2.  Round table

 

 

Regards,

Hake

 

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Zephyr: Testing WG weekly call - Mon, 04/05/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

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Reminder: Zephyr: Testing WG weekly call

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 04/5/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Hake Huang
 

Hi All,

 

This weekly meeting agenda.

 

1.     Test_allow and test_integraation discussion. (Maciej 10 minutes)

https://github.com/zephyrproject-rtos/zephyr/pull/33980

2.     Test plan discussion: (Hake/all 10 minutes)

Please check attached PPT for more details

3.      Low power / performance introduction. (Rob 20 minutes)

Need to propose the applications under test and boards to test.(AI)

https://github.com/zephyrproject-rtos/zephyr/discussions/33779 

applications

Boards to support

how to links

Foot print

https://github.com/zephyrproject-rtos/zephyr/wiki/%5BHOW-TO%5D-Generate-a-binary-footprint-for-a-basic-Zephyr-application 

Performance

https://github.com/zephyrproject-rtos/zephyr/wiki/%5BHOW-TO%5D-Generate-benchmarks-metrics 

Low power

 

4.      Round table. (10 minutes)

 

Regards,

Hake

 

 

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Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 03/29/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

Rob Woolley
 

Here are the slides I presented today: https://docs.google.com/presentation/d/1CNMtN-A4B7K64ncQ52MIDIHHQpITLfMuX0bv-OQnUj0/edit?usp=sharing

 

We used “intercept” from Build EAR to gather the compiler and linker information from another RTOS: https://github.com/rizsotto/Bear

 

We did some post-processing in JSON to gather the relevant pieces of information and visualized the data using Gephi: https://gephi.org/

 

The compiler graph was generated using the clang -ftime-tracing flag and visualized using Google Chrome Tracing.  There is a useful write-up here: https://aras-p.info/blog/2019/01/16/time-trace-timeline-flame-chart-profiler-for-Clang/   this Build Analyzer may be interesting to this group as well: https://aras-p.info/blog/2019/09/28/Clang-Build-Analyzer/

 

Regards,

Rob

 

From: testing-wg@... <testing-wg@...> On Behalf Of Hake Huang
Sent: March 28, 2021 11:16 PM
To: testing-wg@...
Subject: Re: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 03/29/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

 

[Please note: This e-mail is from an EXTERNAL e-mail address]

Hi All,

 

This is this weekly meeting agenda.

1.         Quarantine feature PR follow up, (10 minutes Maciej)

https://github.com/zephyrproject-rtos/zephyr/pull/33287

2.         Test plan discussion: (all 10 minutes)

AI follow ups: any board testing requirements?

3.         Coverage plan: (Steven 10 minutes)

Steven will share the command line for qemu and board testing with coverage.

 

4.         Low power / performance introduction. (Rob 20 minutes)

 

5.         Round table. (10 mintues)

 

Regards,

Hake

 

From: testing-wg@... <testing-wg@...> On Behalf Of testing-wg@... Calendar via lists.zephyrproject.org
Sent: 2021
329 20:50
To: testing-wg@...
Subject: [EXT] [testing-wg] Zephyr: Testing WG weekly call - Mon, 03/29/2021 1:00pm-2:00pm, Please RSVP #cal-reminder

 

Caution: EXT Email

Reminder: Zephyr: Testing WG weekly call

When: Monday, 29 March 2021, 1:00pm to 2:00pm, (GMT+00:00) UTC

Where:Microsoft Teams Meeting

An RSVP is requested. Click here to RSVP

Organizer: testing-wg@...

Description:

________________________________________________________________________________

+1 321-558-6518 United States, Orlando (Toll)

Conference ID: 831 716 531#

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