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From: Joe Perches <joe@perches.com>
To: madalin.bucur@freescale.com
Cc: netdev@vger.kernel.org,
	Ruxandra Ioana Radulescu <ruxandra.radulescu@freescale.com>,
	linuxppc-dev@lists.ozlabs.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH RFC 10/10] dpaa_eth: add trace points
Date: Fri, 03 Apr 2015 09:47:01 -0700	[thread overview]
Message-ID: <1428079621.13180.10.camel@perches.com> (raw)
In-Reply-To: <1427905196-27778-9-git-send-email-madalin.bucur@freescale.com>

On Wed, 2015-04-01 at 19:19 +0300, Madalin Bucur wrote:
> Add trace points on the hot processing path.

more trivia:

> diff --git a/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h b/drivers/net/ethernet/freescale/dpaa/dpaa_eth_trace.h
[]
> +#define fd_format_name(format)	{ qm_fd_##format, #format }
> +#define fd_format_list	\
> +	fd_format_name(contig),	\
> +	fd_format_name(sg)

Are these used anywhere?

> +#define TR_FMT "[%s] fqid=%d, fd: addr=0x%llx, format=%s, off=%u, len=%u," \
> +	" status=0x%08x"

It's nicer to coalesce string fragments.

Unless this is intended to be used more than once,
perhaps it's better to remove it and use the string
directly instead.

> +	/* This is what gets printed when the trace event is triggered */
> +	TP_printk(TR_FMT,
> +		  __get_str(name), __entry->fqid, __entry->fd_addr,
> +		  __print_symbolic(__entry->fd_format, fd_format_list),
> +		  __entry->fd_offset, __entry->fd_length, __entry->fd_status)

  reply	other threads:[~2015-04-03 16:47 UTC|newest]

Thread overview: 20+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2015-04-01 16:19 [PATCH RFC 02/10] dpaa_eth: add support for DPAA Ethernet Madalin Bucur
2015-04-01 16:19 ` [PATCH RFC 03/10] dpaa_eth: add configurable bpool thresholds Madalin Bucur
2015-04-01 16:19   ` [PATCH RFC 04/10] dpaa_eth: add support for S/G frames Madalin Bucur
2015-04-01 16:19     ` [PATCH RFC 05/10] dpaa_eth: add driver's Tx queue selection mechanism Madalin Bucur
2015-04-01 16:19       ` [PATCH RFC 06/10] dpaa_eth: add ethtool functionality Madalin Bucur
2015-04-01 16:19         ` [PATCH RFC 07/10] dpaa_eth: add sysfs exports Madalin Bucur
2015-04-01 16:19           ` [PATCH RFC 08/10] dpaa_eth: add debugfs counters Madalin Bucur
2015-04-01 16:19             ` [PATCH RFC 09/10] dpaa_eth: add debugfs entries Madalin Bucur
2015-04-01 16:19               ` [PATCH RFC 10/10] dpaa_eth: add trace points Madalin Bucur
2015-04-03 16:47                 ` Joe Perches [this message]
2015-04-03 17:29                   ` Madalin-Cristian Bucur
2015-04-03 17:53                     ` Joe Perches
2015-04-01 17:11         ` [PATCH RFC 06/10] dpaa_eth: add ethtool functionality Joe Perches
2015-04-01 17:11 ` [PATCH RFC 02/10] dpaa_eth: add support for DPAA Ethernet Joe Perches
2015-04-02 10:44 ` Paul Bolle
2015-04-03  8:58   ` Madalin-Cristian Bucur
2015-07-20  7:54 ` Joakim Tjernlund
2015-07-20  7:57   ` Joakim Tjernlund
2015-07-20 12:18     ` Madalin-Cristian Bucur
2015-07-20 12:46       ` Joakim Tjernlund

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