CODEWITHSUNDEEP
python
Laxmikant
Laxmikant

Reputation: 2216

How to use cpulimit to a python script

From the answer to my old question, I gone through this and some more from google. But I did not understand, how can I cpulimit for a python script. Followings are my try:

cpulimit --limit 20 --exe ./read_heavy_csv.py

cpulimit --limit 20 --exe "python read_heavy_csv.py" 

cpulimit -P ./read_heavy_csv.py -l 20

and some more...

But in each case getting warning :

Warning: no target process found. Waiting for it...

I could not find any documentation to explain running a python script with cpulimit. I also gone through these too but did not get any clue

Upvotes: 1

Views: 4097

Answers (2)

falsetru
falsetru

Reputation: 369164

Instead of executing a program, cpulimit limits the cpu usage of running process. You need to run the program separately.

Run the program normally:

python read_heavy_csv.py

Open other terminal, and run the following command (pgrep ... will give you the pid of the previous command)

cpulimit --limit=10 -p `pgrep -f read_heavy_csv\.py`

Please note that pgrep uses RegEx patterns, not simple strings.

Upvotes: 2

user1576446
user1576446

Reputation: 31

You can do the following:

cpulimit --limit 50 -- python /explicit-path-to-file/extractSift.py start

Upvotes: 3

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