From: Thomas Monjalon <thomas@monjalon.net>
To: Bruce Richardson <bruce.richardson@intel.com>
Cc: dev@dpdk.org
Subject: Re: [dpdk-dev] [PATCH] ether: fix incorrect stats query for lowest xstat id
Date: Tue, 06 Feb 2018 18:46:14 +0100 [thread overview]
Message-ID: <2897371.3Us8B8FbjR@xps> (raw)
In-Reply-To: <20180206160659.87323-1-bruce.richardson@intel.com>
06/02/2018 17:06, Bruce Richardson:
> When querying either the name or the value of a stat using the xstats
> APIs, a check is done to see if the regular stats API or the xstats APIs
> for the driver need to be used. However, the id of the stat requested is
> checked to see if it is greater than the number of basic stats, rather
> than checking for greater-or-equal, meaning that the xstat with the lowest
> id gets incorrectly treated as a basic stat.
>
> This problem manifests itself when you call proc_info using "--xstats-id"
> for the first xstat, you get no name of the stat printed, and a random(ish)
> stat value.
>
> Fixes: 4773152f850b ("ethdev: optimize xstats by ids APIs")
>
> Signed-off-by: Bruce Richardson <bruce.richardson@intel.com>
Applied, thanks
It looks like the stats functions are the most reworked and fixed.
It is a no-end story. According to git statistics, it is probably
the most complicate code of DPDK :)
I am thinking about being more conservative and do not accept any
new change in these rocket science functions ;)
prev parent reply other threads:[~2018-02-06 17:46 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2018-02-06 16:06 Bruce Richardson
2018-02-06 17:42 ` Ferruh Yigit
2018-02-06 17:46 ` Thomas Monjalon [this message]
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