perfSONAR User Q&A and Other Discussion

[Alan Whinery <>]

 So, interleaved with other duties, I got a fresh Deb 9.5 image and ran the testpoint install on it today to look at Ivan's question about install errors. 

I did get an install error when the install was almost at completion. I don't think that I had this before, I think I would have noticed.  There were no other errors or warnings than what is shown below. 

Processing triggers for pscheduler-server (1.1.6-1) ...

WARNING:  Test "idleex" failed to enumerate: Process took too long to run.

WARNING:  Test "idlebgm" failed to enumerate: Process took too long to run.

WARNING:  Test "clock" failed to enumerate: Process took too long to run.

WARNING:  Test "trace" failed to enumerate: OSError: [Errno 12] Cannot allocate memory

Traceback (most recent call last):

  File "/usr/lib/python2.7/dist-packages/pscheduler/program.py", line 262, in run_program

    process = __get_process(argv, new_env, attempts)

  File "/usr/lib/python2.7/dist-packages/pscheduler/program.py", line 254, in __get_process

    raise ex

OSError: [Errno 12] Cannot allocate memory

On Tue, Apr 2, 2019 at 6:27 AM Antoine Delvaux <> wrote:

Hello Alan,

Just a small thing to add to what Ivan said, that would both answer your question and be useful for our debugging, running the command

apt-cache show pscheduler-server

(or any other package) will show you which pscheduler version you have installed.  And

pscheduler plugins (tests|tools|archivers|contexts)

will show you which version of plugins you have.

Antoine.

Le 2 avr. 2019 à 15:39, Garnizov, Ivan <> a écrit :

Hello Alan,

 

From your message it does not become clear if there were any issues during the installation. I would assume there might have been warning and/or errors for you to end up with a non-operational perfSONAR system after a clean install on Debian 9.

 

I would suggest you to:

-           start pscheduler in a debuging mode: pscheduler debug on

-          Run a troubleshoot command: pscheduler troubleshoot

-          Stop pscheduler debug mode: pscheduler debug off

-          Review the pscheduler logs: /var/log/pscheduler/pscheduler.log

 

 

Regards,

Ivan Garnizov

 

GEANT WP6T3: pS development team

GEANT WP6T1: pS deployments GN Operations

GEANT WP9T2:Software governance in GEANT

 

Von:  [] Im Auftrag von Alan Whinery
Gesendet: Montag, 1. April 2019 23:57
An: 
Betreff: Re: [perfsonar-user] Debian ARM testpoint and pscheduler

 

and -- currently limits.conf is a copy of the "identifier-always" example, just to simplify the limits question,

 

 

On Mon, Apr 1, 2019 at 10:06 AM Alan Whinery <> wrote:

After installing per 

 

https://docs.perfsonar.net/install_debian.html

 

on BeagleBone Black, pscheduler did not, in general, function. Typical response when asking for apparently-any task is:

 

>localhost: Process took too long to run.

 

After copying pscheduler auth rules from a working toolkit to /etc/postgresql/9.6/main/pg_hba.conf and also copying the limits file from a CentOS toolkit, I am able to run tests to the Beaglebone from a remote pscheduler host, but still unable to intitate tests from the Beaglebone itself. 

 

[sidebar: how does one check the installed version of pscheduler?]

 

'troubleshoot' gets:

 

>root@beaglebone:/etc/pscheduler/tool/iperf3# pscheduler troubleshoot

>Performing basic troubleshooting of localhost.

> 

>Checking for pScheduler on localhost... OK.

>Idle test on localhost... Failed.

>  Unable to post task: Unable to determine participants: Process took too long to run.

 

Does anyone recognize a symptom, or know of a shortcoming that prevents the pscheduler command line from working here?

 

Beaglebone Black Debian 9:

Linux beaglebone 4.9.78-ti-r94 #1 SMP PREEMPT Fri Jan 26 21:26:24 UTC 2018 armv7l GNU/Linux

 

root@beaglebone:/etc/pscheduler/tool/iperf3# cat /proc/cpuinfo

processor       : 0

model name      : ARMv7 Processor rev 2 (v7l)

BogoMIPS        : 995.32

Features        : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpd32

CPU implementer : 0x41

CPU architecture: 7

CPU variant     : 0x3

CPU part        : 0xc08

CPU revision    : 2

 

Hardware        : Generic AM33XX (Flattened Device Tree)

Revision        : 0000

Serial          : 0000000000000000

 

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