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From: Thomas Monjalon <thomas@monjalon.net>
To: Sarosh Arif <sarosh.arif@emumba.com>
Cc: sthemmin@microsoft.com, dev@dpdk.org
Subject: Re: [dpdk-dev] [v4 PATCH] usertools: show valid hugepage sizes if user requests an invalid hugepage size
Date: Thu, 11 Feb 2021 22:44:03 +0100	[thread overview]
Message-ID: <7682463.TU6WbEMXMz@thomas> (raw)
In-Reply-To: <20210211082004.23626-1-sarosh.arif@emumba.com>

11/02/2021 09:20, Sarosh Arif:
> If user requests a hugepage size which is not supported by the system,
> currently user gets an error message saying that the requested size
> is not a valid system huge page size. In addition to this if we display
> the valid hugepage sizes it will be convenient for the user to request
> the right size next time.
> 
> Signed-off-by: Sarosh Arif <sarosh.arif@emumba.com>
> ---
> --- a/usertools/dpdk-hugepages.py
> +++ b/usertools/dpdk-hugepages.py
> @@ -43,6 +43,12 @@ def is_numa():
>      return os.path.exists('/sys/devices/system/node')
>  
>  
> +def get_valid_page_sizes(path):
> +    '''Extract valid hugepage sizes'''
> +    dir = os.path.dirname(path)
> +    pg_sizes = (d.split("-")[1] for d in os.listdir(dir))
> +    return " ".join(pg_sizes)
> +

A second blank line is required here.

>  def get_hugepages(path):
>      '''Read number of reserved pages'''
>      with open(path + '/nr_hugepages') as nr_hugepages:
> @@ -59,9 +65,8 @@ def set_hugepages(path, pages):
>      except PermissionError:
>          sys.exit('Permission denied: need to be root!')
>      except FileNotFoundError:
> -        filename = os.path.basename(path)
> -        size = filename[10:]
> -        sys.exit('{} is not a valid system huge page size'.format(size))
> +        sys.exit("Invalid page size. Valid page sizes: {}".format(
> +                get_valid_page_sizes(path)))

Alignment needs a small fixup.

After these small changes, flake8 is OK.

Applied, thanks.



  parent reply	other threads:[~2021-02-11 21:44 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-11-30 12:47 [dpdk-dev] [PATCH] " Sarosh Arif
2020-11-30 16:46 ` Stephen Hemminger
2020-11-30 16:47 ` Stephen Hemminger
2020-12-02 11:06 ` [dpdk-dev] [v2 PATCH] " Sarosh Arif
2021-02-05 18:17   ` Thomas Monjalon
2021-02-08 22:12     ` Stephen Hemminger
2021-02-09 11:34   ` Burakov, Anatoly
2021-02-10  6:16   ` [dpdk-dev] [v3 " Sarosh Arif
2021-02-10 17:41     ` Burakov, Anatoly
2021-02-11  8:20     ` [dpdk-dev] [v4 " Sarosh Arif
2021-02-11 16:26       ` Stephen Hemminger
2021-02-11 21:44       ` Thomas Monjalon [this message]
2021-02-11 23:16         ` Stephen Hemminger

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