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From: Thomas Monjalon <thomas@monjalon.net>
To: Rakesh Kudurumalla <rkudurumalla@marvell.com>
Cc: ferruh.yigit@amd.com, andrew.rybchenko@oktetlabs.ru,
	orika@nvidia.com, dev@dpdk.org, jerinj@marvell.com,
	ndabilpuram@marvell.com, stable@dpdk.org
Subject: Re: [PATCH v3 1/1] examples/l2fwd-jobstats: fix lock availability
Date: Tue, 30 Jul 2024 18:12:20 +0200	[thread overview]
Message-ID: <2648204.9Mp67QZiUf@thomas> (raw)
In-Reply-To: <20240730100335.3734796-1-rkudurumalla@marvell.com>

Hello,

30/07/2024 12:03, Rakesh Kudurumalla:
> This patch addresses the issue by introducing a delay

Please start with describing the issue.

> before acquiring the lock in the loop. This delay allows for better
> availability of the lock, ensuring that show_lcore_stats() can
> periodically update the statistics even when forwarding jobs are running.

Why a delay is better than a pause?

> @@ -542,7 +542,7 @@ l2fwd_main_loop(void)
>  		} while (likely(stats_read_pending == 0));
>  
>  		rte_spinlock_unlock(&qconf->lock);
> -		rte_pause();
> +		rte_delay_us(10);
>  	}




  reply	other threads:[~2024-07-30 16:20 UTC|newest]

Thread overview: 13+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <20240726053757.3653673-1-rkudurumalla@marvell.com>
2024-07-29  6:10 ` [PATCH v2 1/1] examples/l2fwd-jobstats: add delay to show stats Rakesh Kudurumalla
2024-07-30 10:03   ` [PATCH v3 1/1] examples/l2fwd-jobstats: fix lock availability Rakesh Kudurumalla
2024-07-30 16:12     ` Thomas Monjalon [this message]
2024-08-08 11:41       ` [EXTERNAL] " Rakesh Kudurumalla
2024-08-08 12:22         ` Thomas Monjalon
2024-08-11 16:00           ` Rakesh Kudurumalla
2024-08-11  6:58     ` [PATCH v4 " Rakesh Kudurumalla
2024-08-11 15:59       ` [PATCH v5 " Rakesh Kudurumalla
2024-08-11 16:17         ` Stephen Hemminger
2024-08-16  5:25           ` [EXTERNAL] " Rakesh Kudurumalla
2024-10-21  7:13             ` Rakesh Kudurumalla
2024-11-04 10:17               ` Nithin Dabilpuram
2024-07-29  6:20 ` [PATCH v2 1/1] examples/l2fwd-jobstats: add delay to show stats Rakesh Kudurumalla

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