From: Ferruh Yigit <ferruh.yigit@intel.com>
To: Thomas Monjalon <thomas@monjalon.net>,
Andrew Rybchenko <andrew.rybchenko@oktetlabs.ru>
Cc: dev@dpdk.org, "Min Hu (Connor)" <humin29@huawei.com>,
"Wei Hu (Xavier" <xavier.huwei@huawei.com>
Subject: Re: [dpdk-dev] [RFC v2 1/2] ethdev: provide device flag to bypass ethdev queue xstats
Date: Fri, 16 Oct 2020 13:16:38 +0100 [thread overview]
Message-ID: <0d8f6cf8-66e0-8754-f700-aa7dfbff9aba@intel.com> (raw)
In-Reply-To: <20201014022649.2165524-1-ferruh.yigit@intel.com>
On 10/14/2020 3:26 AM, Ferruh Yigit wrote:
> Queue stats are stored in 'struct rte_eth_stats' as array and array size
> is defined by 'RTE_ETHDEV_QUEUE_STAT_CNTRS' compile time flag.
>
> As a result of technical board discussion, decided to remove the queue
> statistics from 'struct rte_eth_stats' in the long term.
>
> Instead PMDs should represent the queue statistics via xstats, this
> gives more flexibility on the number of the queues supported.
>
> Currently queue stats in the xstats are filled by ethdev layer, using
> some basic stats, when queue stats removed from basic stats the
> responsibility to fill the relevant xstats will be pushed to the PMDs.
>
> During the switch period, temporary 'RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS'
> device flag is created. Initially all PMDs using xstats set this flag.
> The PMDs implemented queue stats in the xstats should clear the flag.
>
> When all PMDs switch to the xstats for the queue stats, queue stats
> related fields from 'struct rte_eth_stats' will be removed, as well as
> 'RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS' flag.
> Later 'RTE_ETHDEV_QUEUE_STAT_CNTRS' compile time flag also can be
> removed.
>
> Signed-off-by: Ferruh Yigit <ferruh.yigit@intel.com>
Hi Thomas, Andrew,
What do you think having the patch for this release?
Connor, Xavier,
Are you OK to superseded your existing patch [1] with this approach?
[1] https://patches.dpdk.org/patch/78886/
next prev parent reply other threads:[~2020-10-16 12:16 UTC|newest]
Thread overview: 31+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-10-12 16:46 [dpdk-dev] [RFC 1/2] ethdev: move queue stats to xstats Ferruh Yigit
2020-10-12 16:46 ` [dpdk-dev] [RFC 2/2] doc: announce queue stats moving " Ferruh Yigit
2020-10-12 16:55 ` [dpdk-dev] [dpdk-techboard] " Stephen Hemminger
2020-10-12 21:53 ` [dpdk-dev] [RFC 1/2] ethdev: move queue stats " Thomas Monjalon
2020-10-13 8:31 ` Andrew Rybchenko
2020-10-13 9:05 ` Thomas Monjalon
2020-10-13 9:16 ` Andrew Rybchenko
2020-10-13 22:41 ` Ferruh Yigit
2020-10-13 15:04 ` Stephen Hemminger
2020-10-13 22:53 ` Ferruh Yigit
2020-10-14 2:26 ` [dpdk-dev] [RFC v2 1/2] ethdev: provide device flag to bypass ethdev queue xstats Ferruh Yigit
2020-10-14 2:26 ` [dpdk-dev] [RFC v2 2/2] doc: announce queue stats moving to xstats Ferruh Yigit
2020-10-14 8:43 ` Kinsella, Ray
2020-10-16 14:34 ` Thomas Monjalon
2020-10-16 14:36 ` Bruce Richardson
2020-10-16 14:37 ` Jerin Jacob
2020-10-16 15:07 ` Stephen Hemminger
2020-10-16 17:48 ` Ajit Khaparde
2020-10-14 9:35 ` Igor Ryzhov
2020-10-14 9:45 ` Thomas Monjalon
2020-10-15 7:55 ` Igor Ryzhov
2020-10-15 8:03 ` Thomas Monjalon
2020-10-15 17:39 ` Igor Ryzhov
2020-10-15 17:45 ` Thomas Monjalon
2020-10-14 8:40 ` [dpdk-dev] [RFC v2 1/2] ethdev: provide device flag to bypass ethdev queue xstats Wang, Haiyue
2020-10-14 8:46 ` Wang, Xiao W
2020-10-16 12:16 ` Ferruh Yigit [this message]
2020-10-16 14:32 ` Thomas Monjalon
2020-10-16 21:38 ` Ferruh Yigit
2020-10-19 3:03 ` Min Hu (Connor)
2020-10-18 12:09 ` Xu, Rosen
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