I’m not familiar with what this for loop is actually doing. Would anyone be able to explain? https://elixir.bootlin.com/linux/v5.10.75/source/kernel/sched/rt.c#L621 Answer This macro is setting rt_se to NULL after the instructions block that follows has been executed. The use of such “access” macro is common in the kernel to make the code more clear and robust.
Tag: scheduled-tasks
Add a job to linux cron list programmatically with Nodejs
I have a job with Nodejs that I want to do it each 30 minutes to scan the Database and Update Products Data in An Ecommerce API with my Nodejs Program, note that the Nodejs Program is serving an REST API (Backend) for a react js web application So I searched for that and I found that I can do
creating a scheduled task to create an incremental backup of our system files every day [closed]
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Can process move from Ready Queue to Job Queue?
I’m working on a program that would simulate scheduling from creation to completion of processes. I need assistance to know can a process move back from ready queue to the job queue (in any case – may be an exception). Answer I’m not sure what you mean by “queue job”. A process is either : running (in that case no
Django – Celery 4.1 with django-celery-beat/rabbitmq : Nothing?
I followed the tutorial on http://docs.celeryproject.org/en/latest/ and I am on virtualbox (Xubuntu 16.XX TLS), Django 1.11.3, Celery 4.1 . rabbitmq 3.6.14, Python 2.7 . and when I started the daemonization with the init-script: celerybeat (with /etc/default/celeryd config file) [2017-11-19 01:13:00,912: INFO/MainProcess] beat: Starting… and nothing more after. Do you see what could I make wrong ? My celery.py: some_app/tasks.py: /etc/default/celeryd:
Changing nice value of a process has no effect in Linux
I read about APUE 3rd, 8.16 Process Scheduling, there is an example written to verify that changing nice value of a process will affect its priority, I rewrite the code like below: And the result of the example is shown below: NZERO = 20 parent nice:20 child nice:20, adjusted by 0 child now nice:20 parent count:601089419 child count:603271014 Looks like
implicit declaration of function ‘sched_setaffinity’
I’m writing a program which needed to be run on single core. To bind it to single core, I’m using sched_setaffinity(), but the compiler gives warning: implicit declaration of function ‘sched_setaffinity’ My test code is: Can you please help me to figure it out. Actually code is compiled and run, but I’m not sure whether it is running on single