From: David Miller <davem@davemloft.net>
To: bhutchings@solarflare.com
Cc: netdev@vger.kernel.org, linux-net-drivers@solarflare.com
Subject: Re: [PATCH net-next 11/11] sfc: Add static tracepoints to datapath
Date: Mon, 23 Sep 2013 14:17:23 -0400 (EDT) [thread overview]
Message-ID: <20130923.141723.230027899643613700.davem@davemloft.net> (raw)
In-Reply-To: <1379951467.2485.33.camel@bwh-desktop.uk.level5networks.com>
From: Ben Hutchings <bhutchings@solarflare.com>
Date: Mon, 23 Sep 2013 16:51:07 +0100
> 2. Generic trace events would be subject to changes that could make them
> unsuitable for Solarflare's tests.
This is not an argument for doing things privately in your driver and
duplicating things.
We should make a facility that's useful to Solarflare _AS WELL AS_
everyone else.
> 4. Static tracepoints always have run-time overhead, so these should
> probably be controlled by a kconfig option (as in this patch).
Don't we use static branches and other tricks to make them close to zero
overhead?
next prev parent reply other threads:[~2013-09-23 18:17 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-09-21 18:31 Pull request: sfc-next 2013-09-21 Ben Hutchings
2013-09-21 18:33 ` [PATCH net-next 01/11] sfc: efx_ethtool_get_ts_info() can be static Ben Hutchings
2013-09-21 18:33 ` [PATCH net-next 02/11] sfc: efx_ef10_filter_update_rx_scatter() " Ben Hutchings
2013-09-21 18:33 ` [PATCH net-next 03/11] sfc: Add EF10 registers to register dump Ben Hutchings
2013-09-21 18:34 ` [PATCH net-next 04/11] sfc: Fold tso_get_head_fragment() into tso_start() Ben Hutchings
2013-09-21 18:34 ` [PATCH net-next 05/11] sfc: Implement firmware-assisted TSO for EF10 Ben Hutchings
2013-09-21 18:34 ` [PATCH net-next 06/11] sfc: Allocate and link PIO buffers; map them with write-combining Ben Hutchings
2013-09-21 18:35 ` [PATCH net-next 07/11] sfc: Separate out queue-empty check from efx_nic_may_push_tx_desc() Ben Hutchings
2013-09-21 18:35 ` [PATCH net-next 08/11] sfc: Introduce inline functions to simplify TX insertion Ben Hutchings
2013-09-21 18:35 ` [PATCH net-next 09/11] sfc: Use TX PIO for sufficiently small packets Ben Hutchings
2013-09-21 18:36 ` [PATCH net-next 10/11] sfc: Support ARFS for IPv6 flows Ben Hutchings
2013-09-21 18:36 ` [PATCH net-next 11/11] sfc: Add static tracepoints to datapath Ben Hutchings
2013-09-23 6:08 ` David Miller
2013-09-23 15:51 ` Ben Hutchings
2013-09-23 18:17 ` David Miller [this message]
2013-09-23 18:34 ` Ben Hutchings
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