![Madalin Bucur](/assets/img/avatar_default.png)
Add trace points on the hot processing path. Signed-off-by: Ruxandra Ioana Radulescu <ruxandra.radulescu@nxp.com> Signed-off-by: David S. Miller <davem@davemloft.net>
142 lines
4.6 KiB
C
142 lines
4.6 KiB
C
/* Copyright 2013-2015 Freescale Semiconductor Inc.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions are met:
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in the
|
|
* documentation and/or other materials provided with the distribution.
|
|
* * Neither the name of Freescale Semiconductor nor the
|
|
* names of its contributors may be used to endorse or promote products
|
|
* derived from this software without specific prior written permission.
|
|
*
|
|
*
|
|
* ALTERNATIVELY, this software may be distributed under the terms of the
|
|
* GNU General Public License ("GPL") as published by the Free Software
|
|
* Foundation, either version 2 of that License or (at your option) any
|
|
* later version.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY Freescale Semiconductor ``AS IS'' AND ANY
|
|
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
|
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
|
* DISCLAIMED. IN NO EVENT SHALL Freescale Semiconductor BE LIABLE FOR ANY
|
|
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
|
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
|
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
|
|
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
|
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#undef TRACE_SYSTEM
|
|
#define TRACE_SYSTEM dpaa_eth
|
|
|
|
#if !defined(_DPAA_ETH_TRACE_H) || defined(TRACE_HEADER_MULTI_READ)
|
|
#define _DPAA_ETH_TRACE_H
|
|
|
|
#include <linux/skbuff.h>
|
|
#include <linux/netdevice.h>
|
|
#include "dpaa_eth.h"
|
|
#include <linux/tracepoint.h>
|
|
|
|
#define fd_format_name(format) { qm_fd_##format, #format }
|
|
#define fd_format_list \
|
|
fd_format_name(contig), \
|
|
fd_format_name(sg)
|
|
|
|
/* This is used to declare a class of events.
|
|
* individual events of this type will be defined below.
|
|
*/
|
|
|
|
/* Store details about a frame descriptor and the FQ on which it was
|
|
* transmitted/received.
|
|
*/
|
|
DECLARE_EVENT_CLASS(dpaa_eth_fd,
|
|
/* Trace function prototype */
|
|
TP_PROTO(struct net_device *netdev,
|
|
struct qman_fq *fq,
|
|
const struct qm_fd *fd),
|
|
|
|
/* Repeat argument list here */
|
|
TP_ARGS(netdev, fq, fd),
|
|
|
|
/* A structure containing the relevant information we want to record.
|
|
* Declare name and type for each normal element, name, type and size
|
|
* for arrays. Use __string for variable length strings.
|
|
*/
|
|
TP_STRUCT__entry(
|
|
__field(u32, fqid)
|
|
__field(u64, fd_addr)
|
|
__field(u8, fd_format)
|
|
__field(u16, fd_offset)
|
|
__field(u32, fd_length)
|
|
__field(u32, fd_status)
|
|
__string(name, netdev->name)
|
|
),
|
|
|
|
/* The function that assigns values to the above declared fields */
|
|
TP_fast_assign(
|
|
__entry->fqid = fq->fqid;
|
|
__entry->fd_addr = qm_fd_addr_get64(fd);
|
|
__entry->fd_format = qm_fd_get_format(fd);
|
|
__entry->fd_offset = qm_fd_get_offset(fd);
|
|
__entry->fd_length = qm_fd_get_length(fd);
|
|
__entry->fd_status = fd->status;
|
|
__assign_str(name, netdev->name);
|
|
),
|
|
|
|
/* This is what gets printed when the trace event is triggered */
|
|
TP_printk("[%s] fqid=%d, fd: addr=0x%llx, format=%s, off=%u, len=%u, status=0x%08x",
|
|
__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)
|
|
);
|
|
|
|
/* Now declare events of the above type. Format is:
|
|
* DEFINE_EVENT(class, name, proto, args), with proto and args same as for class
|
|
*/
|
|
|
|
/* Tx (egress) fd */
|
|
DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_fd,
|
|
|
|
TP_PROTO(struct net_device *netdev,
|
|
struct qman_fq *fq,
|
|
const struct qm_fd *fd),
|
|
|
|
TP_ARGS(netdev, fq, fd)
|
|
);
|
|
|
|
/* Rx fd */
|
|
DEFINE_EVENT(dpaa_eth_fd, dpaa_rx_fd,
|
|
|
|
TP_PROTO(struct net_device *netdev,
|
|
struct qman_fq *fq,
|
|
const struct qm_fd *fd),
|
|
|
|
TP_ARGS(netdev, fq, fd)
|
|
);
|
|
|
|
/* Tx confirmation fd */
|
|
DEFINE_EVENT(dpaa_eth_fd, dpaa_tx_conf_fd,
|
|
|
|
TP_PROTO(struct net_device *netdev,
|
|
struct qman_fq *fq,
|
|
const struct qm_fd *fd),
|
|
|
|
TP_ARGS(netdev, fq, fd)
|
|
);
|
|
|
|
/* If only one event of a certain type needs to be declared, use TRACE_EVENT().
|
|
* The syntax is the same as for DECLARE_EVENT_CLASS().
|
|
*/
|
|
|
|
#endif /* _DPAA_ETH_TRACE_H */
|
|
|
|
/* This must be outside ifdef _DPAA_ETH_TRACE_H */
|
|
#undef TRACE_INCLUDE_PATH
|
|
#define TRACE_INCLUDE_PATH .
|
|
#undef TRACE_INCLUDE_FILE
|
|
#define TRACE_INCLUDE_FILE dpaa_eth_trace
|
|
#include <trace/define_trace.h>
|