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From: "David Harton (dharton)" <dharton@cisco.com>
To: Remy Horton <remy.horton@intel.com>,
	"dev@dpdk.org" <dev@dpdk.org>,
	"Helin Zhang" <helin.zhang@intel.com>
Subject: Re: [dpdk-dev] [RFC PATCH v1 2/3] drivers/net/ixgbe: change xstats to use integers
Date: Tue, 3 May 2016 13:40:20 +0000	[thread overview]
Message-ID: <a568a90901834142a247a187eb0b6a18@XCH-RCD-016.cisco.com> (raw)
In-Reply-To: <5728981D.2020003@intel.com>



> -----Original Message-----
> From: Remy Horton [mailto:remy.horton@intel.com]
> Sent: Tuesday, May 03, 2016 8:23 AM
> To: David Harton (dharton) <dharton@cisco.com>; dev@dpdk.org; Helin Zhang
> <helin.zhang@intel.com>
> Subject: Re: [dpdk-dev] [RFC PATCH v1 2/3] drivers/net/ixgbe: change
> xstats to use integers
> 
> 
> On 29/04/2016 14:43, David Harton (dharton) wrote:
> [..]
> >> +		/* RX Priority Stats */
> >> +		for (stat = 0; stat < IXGBE_NB_RXQ_PRIO_STATS; stat++) {
> >> +			for (i = 0; i < 8; i++) {
> >
> > 8 seems magical.  Is there a constant somewhere that can be used?
> 
> Not that I'm aware of. I've made it a #define as a small cleanup.
> 
> 
> >> +static int ixgbevf_dev_xstats_names(__rte_unused struct rte_eth_dev
> *dev,
> >> +	struct rte_eth_xstats_name *ptr_names, __rte_unused unsigned limit)
> >> +{
> >> +	unsigned i;
> >> +
> >> +	if (limit < IXGBEVF_NB_XSTATS)
> >
> > Think this check has to be removed since rte_eth_xstats_count() calls
> > with limit == 0.
> 
> Well spotted. It should only error-out if ptr_names is non-NULL.
> 
> As an aside, I am wondering whether getting stats counts should itself be
> a seperate driver hook.

I personally think it would be cleaner.  Bug, I can also see the argument of keeping
the vector table smaller and would conceded to others that felt strongly about it.

I do really like having a separate external API to the user.  A user should explicitly
ask for the count.

Cheers,
Dave

> 
> 
> ..Remy

  reply	other threads:[~2016-05-03 13:40 UTC|newest]

Thread overview: 71+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-15 14:44 [dpdk-dev] [RFC PATCH v1 0/3] Remove string operations from xstats Remy Horton
2016-04-15 14:44 ` [dpdk-dev] [RFC PATCH v1 1/3] rte: change xstats to use integer keys Remy Horton
2016-04-29 13:17   ` David Harton (dharton)
2016-04-15 14:44 ` [dpdk-dev] [RFC PATCH v1 2/3] drivers/net/ixgbe: change xstats to use integers Remy Horton
2016-04-29 13:43   ` David Harton (dharton)
2016-05-03 12:22     ` Remy Horton
2016-05-03 13:40       ` David Harton (dharton) [this message]
2016-04-15 14:44 ` [dpdk-dev] [RFC PATCH v1 3/3] examples/ethtool: add xstats display command Remy Horton
2016-04-20 16:03 ` [dpdk-dev] [RFC PATCH v1 0/3] Remove string operations from xstats David Harton (dharton)
2016-04-20 16:49   ` Mcnamara, John
2016-04-22 15:04     ` David Harton (dharton)
2016-04-28 14:56   ` Tahhan, Maryam
2016-04-28 15:58     ` David Harton (dharton)
2016-04-29 10:21       ` Remy Horton
2016-04-29 12:15         ` David Harton (dharton)
2016-04-29 12:52 ` David Harton (dharton)
2016-05-06 11:11 ` [dpdk-dev] [RFC PATCH v2 " Remy Horton
2016-05-06 11:11   ` [dpdk-dev] [RFC PATCH v2 1/3] rte: change xstats to use integer keys Remy Horton
2016-05-09 13:59     ` David Harton (dharton)
2016-05-10  8:58       ` Remy Horton
2016-05-12 16:17       ` Thomas Monjalon
2016-05-16 10:47     ` Tahhan, Maryam
2016-05-18  8:31     ` Tahhan, Maryam
2016-05-18  8:45       ` Remy Horton
2016-05-06 11:11   ` [dpdk-dev] [RFC PATCH v2 2/3] drivers/net/ixgbe: change xstats to use integer id Remy Horton
2016-05-09 14:06     ` David Harton (dharton)
2016-05-18  8:41     ` Tahhan, Maryam
2016-05-06 11:11   ` [dpdk-dev] [RFC PATCH v2 3/3] examples/ethtool: add xstats display command Remy Horton
2016-05-09 14:08     ` David Harton (dharton)
2016-05-18  8:42     ` Tahhan, Maryam
2016-05-16 10:42   ` [dpdk-dev] [RFC PATCH v2 0/3] Remove string operations from xstats Tahhan, Maryam
2016-05-18 10:12     ` Remy Horton
2016-05-30 10:48   ` [dpdk-dev] [PATCH v3 00/10] " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 01/10] rte: change xstats to use integer ids Remy Horton
2016-06-08  9:37       ` Thomas Monjalon
2016-06-08 11:16         ` Remy Horton
2016-06-08 12:22           ` Thomas Monjalon
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 02/10] drivers/net/ixgbe: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 03/10] drivers/net/e1000: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 04/10] drivers/net/fm10k: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 05/10] drivers/net/i40e: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 06/10] drivers/net/virtio: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 07/10] app/test-pmd: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 08/10] app/proc_info: " Remy Horton
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 09/10] remove name field from struct rte_eth_xstats Remy Horton
2016-06-08 12:23       ` Thomas Monjalon
2016-05-30 10:48     ` [dpdk-dev] [PATCH v3 10/10] doc: update xstats documentation Remy Horton
2016-06-09  8:48       ` Mcnamara, John
2016-06-06 12:45     ` [dpdk-dev] [PATCH v3 00/10] Remove string operations from xstats David Harton (dharton)
2016-06-13 15:51     ` [dpdk-dev] [PATCH v4 0/8] " Remy Horton
2016-06-13 15:51       ` [dpdk-dev] [PATCH v4 1/8] rte: change xstats to use integer ids Remy Horton
2016-06-15  9:19         ` Thomas Monjalon
2016-06-13 15:51       ` [dpdk-dev] [PATCH v4 2/8] drivers/net/ixgbe: " Remy Horton
2016-06-13 15:51       ` [dpdk-dev] [PATCH v4 3/8] drivers/net/e1000: " Remy Horton
2016-06-13 15:51       ` [dpdk-dev] [PATCH v4 4/8] drivers/net/fm10k: " Remy Horton
2016-06-13 15:51       ` [dpdk-dev] [PATCH v4 5/8] drivers/net/i40e: " Remy Horton
2016-06-13 15:51       ` [dpdk-dev] [PATCH v4 6/8] drivers/net/virtio: " Remy Horton
2016-06-13 15:52       ` [dpdk-dev] [PATCH v4 7/8] rte: change xstats usage to new API Remy Horton
2016-06-15  9:13         ` Thomas Monjalon
2016-06-13 15:52       ` [dpdk-dev] [PATCH v4 8/8] doc: update xstats documentation Remy Horton
2016-06-14 14:06         ` Mcnamara, John
2016-06-15 15:25       ` [dpdk-dev] [PATCH v5 0/7] Remove string operations from xstats Remy Horton
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 1/7] rte: change xstats to use integer ids Remy Horton
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 2/7] drivers/net/ixgbe: " Remy Horton
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 3/7] drivers/net/e1000: " Remy Horton
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 4/7] drivers/net/fm10k: " Remy Horton
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 5/7] drivers/net/i40e: " Remy Horton
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 6/7] drivers/net/virtio: " Remy Horton
2016-06-20 10:43           ` Yuanhan Liu
2016-06-15 15:25         ` [dpdk-dev] [PATCH v5 7/7] rte: change xstats usage to new API Remy Horton
2016-06-16 16:02         ` [dpdk-dev] [PATCH v5 0/7] Remove string operations from xstats Thomas Monjalon

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