mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
synced 2024-12-28 16:53:49 +00:00
ieee802154: Add trace events for rdev->ops
Enabling tracing via
echo 1 > /sys/kernel/debug/tracing/events/cfg802154/enable
enables event tracing like
iwpan dev wpan0 set pan_id 0xbeef
cat /sys/kernel/debug/tracing/trace
# tracer: nop
#
# entries-in-buffer/entries-written: 2/2 #P:1
#
# _-----=> irqs-off
# / _----=> need-resched
# | / _---=> hardirq/softirq
# || / _--=> preempt-depth
# ||| / delay
# TASK-PID CPU# |||| TIMESTAMP FUNCTION
# | | | |||| | |
iwpan-2663 [000] .... 170.369142: 802154_rdev_set_pan_id: phy0, wpan_dev(1), pan id: 0xbeef
iwpan-2663 [000] .... 170.369177: 802154_rdev_return_int: phy0, returned: 0
Signed-off-by: Guido Günther <agx@sigxcpu.org>
Signed-off-by: Alexander Aring <alex.aring@gmail.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Guido Günther
Marcel Holtmann
parent
42fb23e2f5
commit
1cc800e7aa
@ -3,7 +3,9 @@ obj-$(CONFIG_IEEE802154_SOCKET) += ieee802154_socket.o
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obj-y += 6lowpan/
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ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o core.o \
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header_ops.o sysfs.o nl802154.o
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header_ops.o sysfs.o nl802154.o trace.o
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ieee802154_socket-y := socket.o
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CFLAGS_trace.o := -I$(src)
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ccflags-y += -D__CHECK_ENDIAN__
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@ -4,6 +4,7 @@
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#include <net/cfg802154.h>
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#include "core.h"
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#include "trace.h"
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static inline struct net_device *
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rdev_add_virtual_intf_deprecated(struct cfg802154_registered_device *rdev,
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@ -24,73 +25,127 @@ static inline int
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rdev_add_virtual_intf(struct cfg802154_registered_device *rdev, char *name,
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enum nl802154_iftype type, __le64 extended_addr)
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{
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return rdev->ops->add_virtual_intf(&rdev->wpan_phy, name, type,
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int ret;
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trace_802154_rdev_add_virtual_intf(&rdev->wpan_phy, name, type,
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extended_addr);
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ret = rdev->ops->add_virtual_intf(&rdev->wpan_phy, name, type,
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extended_addr);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_del_virtual_intf(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev)
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{
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return rdev->ops->del_virtual_intf(&rdev->wpan_phy, wpan_dev);
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int ret;
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trace_802154_rdev_del_virtual_intf(&rdev->wpan_phy, wpan_dev);
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ret = rdev->ops->del_virtual_intf(&rdev->wpan_phy, wpan_dev);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_channel(struct cfg802154_registered_device *rdev, u8 page, u8 channel)
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{
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return rdev->ops->set_channel(&rdev->wpan_phy, page, channel);
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int ret;
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trace_802154_rdev_set_channel(&rdev->wpan_phy, page, channel);
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ret = rdev->ops->set_channel(&rdev->wpan_phy, page, channel);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_cca_mode(struct cfg802154_registered_device *rdev,
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const struct wpan_phy_cca *cca)
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{
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return rdev->ops->set_cca_mode(&rdev->wpan_phy, cca);
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int ret;
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trace_802154_rdev_set_cca_mode(&rdev->wpan_phy, cca);
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ret = rdev->ops->set_cca_mode(&rdev->wpan_phy, cca);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_pan_id(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev, __le16 pan_id)
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{
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return rdev->ops->set_pan_id(&rdev->wpan_phy, wpan_dev, pan_id);
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int ret;
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trace_802154_rdev_set_pan_id(&rdev->wpan_phy, wpan_dev, pan_id);
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ret = rdev->ops->set_pan_id(&rdev->wpan_phy, wpan_dev, pan_id);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_short_addr(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev, __le16 short_addr)
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{
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return rdev->ops->set_short_addr(&rdev->wpan_phy, wpan_dev, short_addr);
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int ret;
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trace_802154_rdev_set_short_addr(&rdev->wpan_phy, wpan_dev, short_addr);
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ret = rdev->ops->set_short_addr(&rdev->wpan_phy, wpan_dev, short_addr);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_backoff_exponent(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev, u8 min_be, u8 max_be)
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{
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return rdev->ops->set_backoff_exponent(&rdev->wpan_phy, wpan_dev,
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int ret;
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trace_802154_rdev_set_backoff_exponent(&rdev->wpan_phy, wpan_dev,
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min_be, max_be);
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ret = rdev->ops->set_backoff_exponent(&rdev->wpan_phy, wpan_dev,
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min_be, max_be);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_max_csma_backoffs(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev, u8 max_csma_backoffs)
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{
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return rdev->ops->set_max_csma_backoffs(&rdev->wpan_phy, wpan_dev,
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max_csma_backoffs);
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int ret;
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trace_802154_rdev_set_csma_backoffs(&rdev->wpan_phy, wpan_dev,
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max_csma_backoffs);
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ret = rdev->ops->set_max_csma_backoffs(&rdev->wpan_phy, wpan_dev,
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max_csma_backoffs);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_max_frame_retries(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev, s8 max_frame_retries)
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{
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return rdev->ops->set_max_frame_retries(&rdev->wpan_phy, wpan_dev,
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int ret;
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trace_802154_rdev_set_max_frame_retries(&rdev->wpan_phy, wpan_dev,
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max_frame_retries);
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ret = rdev->ops->set_max_frame_retries(&rdev->wpan_phy, wpan_dev,
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max_frame_retries);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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static inline int
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rdev_set_lbt_mode(struct cfg802154_registered_device *rdev,
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struct wpan_dev *wpan_dev, bool mode)
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{
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return rdev->ops->set_lbt_mode(&rdev->wpan_phy, wpan_dev, mode);
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int ret;
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trace_802154_rdev_set_lbt_mode(&rdev->wpan_phy, wpan_dev, mode);
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ret = rdev->ops->set_lbt_mode(&rdev->wpan_phy, wpan_dev, mode);
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trace_802154_rdev_return_int(&rdev->wpan_phy, ret);
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return ret;
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}
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#endif /* __CFG802154_RDEV_OPS */
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7
net/ieee802154/trace.c
Normal file
7
net/ieee802154/trace.c
Normal file
@ -0,0 +1,7 @@
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#include <linux/module.h>
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#ifndef __CHECKER__
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#define CREATE_TRACE_POINTS
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#include "trace.h"
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#endif
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246
net/ieee802154/trace.h
Normal file
246
net/ieee802154/trace.h
Normal file
@ -0,0 +1,246 @@
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/* Based on net/wireless/tracing.h */
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#undef TRACE_SYSTEM
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#define TRACE_SYSTEM cfg802154
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#if !defined(__RDEV_CFG802154_OPS_TRACE) || defined(TRACE_HEADER_MULTI_READ)
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#define __RDEV_CFG802154_OPS_TRACE
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#include <linux/tracepoint.h>
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#include <net/cfg802154.h>
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#define MAXNAME 32
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#define WPAN_PHY_ENTRY __array(char, wpan_phy_name, MAXNAME)
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#define WPAN_PHY_ASSIGN strlcpy(__entry->wpan_phy_name, \
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wpan_phy_name(wpan_phy), \
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MAXNAME)
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#define WPAN_PHY_PR_FMT "%s"
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#define WPAN_PHY_PR_ARG __entry->wpan_phy_name
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#define WPAN_DEV_ENTRY __field(u32, identifier)
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#define WPAN_DEV_ASSIGN (__entry->identifier) = (!IS_ERR_OR_NULL(wpan_dev) \
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? wpan_dev->identifier : 0)
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#define WPAN_DEV_PR_FMT "wpan_dev(%u)"
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#define WPAN_DEV_PR_ARG (__entry->identifier)
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#define WPAN_CCA_ENTRY __field(enum nl802154_cca_modes, cca_mode) \
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__field(enum nl802154_cca_opts, cca_opt)
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#define WPAN_CCA_ASSIGN \
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do { \
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(__entry->cca_mode) = cca->mode; \
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(__entry->cca_opt) = cca->opt; \
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} while (0)
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#define WPAN_CCA_PR_FMT "cca_mode: %d, cca_opt: %d"
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#define WPAN_CCA_PR_ARG __entry->cca_mode, __entry->cca_opt
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#define BOOL_TO_STR(bo) (bo) ? "true" : "false"
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/*************************************************************
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* rdev->ops traces *
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*************************************************************/
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TRACE_EVENT(802154_rdev_add_virtual_intf,
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TP_PROTO(struct wpan_phy *wpan_phy, char *name,
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enum nl802154_iftype type, __le64 extended_addr),
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TP_ARGS(wpan_phy, name, type, extended_addr),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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__string(vir_intf_name, name ? name : "<noname>")
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__field(enum nl802154_iftype, type)
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__field(__le64, extended_addr)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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__assign_str(vir_intf_name, name ? name : "<noname>");
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__entry->type = type;
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__entry->extended_addr = extended_addr;
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),
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TP_printk(WPAN_PHY_PR_FMT ", virtual intf name: %s, type: %d, ea %llx",
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WPAN_PHY_PR_ARG, __get_str(vir_intf_name), __entry->type,
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__entry->extended_addr)
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);
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TRACE_EVENT(802154_rdev_del_virtual_intf,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev),
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TP_ARGS(wpan_phy, wpan_dev),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_DEV_ENTRY
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_DEV_ASSIGN;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT, WPAN_PHY_PR_ARG,
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WPAN_DEV_PR_ARG)
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);
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TRACE_EVENT(802154_rdev_set_channel,
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TP_PROTO(struct wpan_phy *wpan_phy, u8 page, u8 channel),
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TP_ARGS(wpan_phy, page, channel),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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__field(u8, page)
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__field(u8, channel)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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__entry->page = page;
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__entry->channel = channel;
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),
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TP_printk(WPAN_PHY_PR_FMT ", page: %d, channel: %d", WPAN_PHY_PR_ARG,
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__entry->page, __entry->channel)
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);
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TRACE_EVENT(802154_rdev_set_cca_mode,
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TP_PROTO(struct wpan_phy *wpan_phy, const struct wpan_phy_cca *cca),
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TP_ARGS(wpan_phy, cca),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_CCA_ENTRY
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_CCA_ASSIGN;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_CCA_PR_FMT, WPAN_PHY_PR_ARG,
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WPAN_CCA_PR_ARG)
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);
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DECLARE_EVENT_CLASS(802154_le16_template,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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__le16 le16arg),
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TP_ARGS(wpan_phy, wpan_dev, le16arg),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_DEV_ENTRY
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__field(__le16, le16arg)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_DEV_ASSIGN;
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__entry->le16arg = le16arg;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT ", pan id: 0x%04x",
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WPAN_PHY_PR_ARG, WPAN_DEV_PR_ARG,
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__le16_to_cpu(__entry->le16arg))
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);
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DEFINE_EVENT(802154_le16_template, 802154_rdev_set_pan_id,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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__le16 le16arg),
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TP_ARGS(wpan_phy, wpan_dev, le16arg)
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);
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DEFINE_EVENT_PRINT(802154_le16_template, 802154_rdev_set_short_addr,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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__le16 le16arg),
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TP_ARGS(wpan_phy, wpan_dev, le16arg),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT ", sa: 0x%04x",
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WPAN_PHY_PR_ARG, WPAN_DEV_PR_ARG, __entry->le16arg)
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);
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TRACE_EVENT(802154_rdev_set_backoff_exponent,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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u8 min_be, u8 max_be),
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TP_ARGS(wpan_phy, wpan_dev, min_be, max_be),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_DEV_ENTRY
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__field(u8, min_be)
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__field(u8, max_be)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_DEV_ASSIGN;
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__entry->min_be = min_be;
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__entry->max_be = max_be;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT
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", min be: %d, max_be: %d", WPAN_PHY_PR_ARG,
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WPAN_DEV_PR_ARG, __entry->min_be, __entry->max_be)
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);
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TRACE_EVENT(802154_rdev_set_csma_backoffs,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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u8 max_csma_backoffs),
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TP_ARGS(wpan_phy, wpan_dev, max_csma_backoffs),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_DEV_ENTRY
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__field(u8, max_csma_backoffs)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_DEV_ASSIGN;
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__entry->max_csma_backoffs = max_csma_backoffs;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT
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", max csma backoffs: %d", WPAN_PHY_PR_ARG,
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WPAN_DEV_PR_ARG, __entry->max_csma_backoffs)
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);
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TRACE_EVENT(802154_rdev_set_max_frame_retries,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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s8 max_frame_retries),
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TP_ARGS(wpan_phy, wpan_dev, max_frame_retries),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_DEV_ENTRY
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__field(s8, max_frame_retries)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_DEV_ASSIGN;
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__entry->max_frame_retries = max_frame_retries;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT
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", max frame retries: %d", WPAN_PHY_PR_ARG,
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WPAN_DEV_PR_ARG, __entry->max_frame_retries)
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);
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TRACE_EVENT(802154_rdev_set_lbt_mode,
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TP_PROTO(struct wpan_phy *wpan_phy, struct wpan_dev *wpan_dev,
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bool mode),
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TP_ARGS(wpan_phy, wpan_dev, mode),
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TP_STRUCT__entry(
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WPAN_PHY_ENTRY
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WPAN_DEV_ENTRY
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__field(bool, mode)
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),
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TP_fast_assign(
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WPAN_PHY_ASSIGN;
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WPAN_DEV_ASSIGN;
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__entry->mode = mode;
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),
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TP_printk(WPAN_PHY_PR_FMT ", " WPAN_DEV_PR_FMT
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", lbt mode: %s", WPAN_PHY_PR_ARG,
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WPAN_DEV_PR_ARG, BOOL_TO_STR(__entry->mode))
|
||||
);
|
||||
|
||||
TRACE_EVENT(802154_rdev_return_int,
|
||||
TP_PROTO(struct wpan_phy *wpan_phy, int ret),
|
||||
TP_ARGS(wpan_phy, ret),
|
||||
TP_STRUCT__entry(
|
||||
WPAN_PHY_ENTRY
|
||||
__field(int, ret)
|
||||
),
|
||||
TP_fast_assign(
|
||||
WPAN_PHY_ASSIGN;
|
||||
__entry->ret = ret;
|
||||
),
|
||||
TP_printk(WPAN_PHY_PR_FMT ", returned: %d", WPAN_PHY_PR_ARG,
|
||||
__entry->ret)
|
||||
);
|
||||
|
||||
#endif /* !__RDEV_CFG802154_OPS_TRACE || TRACE_HEADER_MULTI_READ */
|
||||
|
||||
#undef TRACE_INCLUDE_PATH
|
||||
#define TRACE_INCLUDE_PATH .
|
||||
#undef TRACE_INCLUDE_FILE
|
||||
#define TRACE_INCLUDE_FILE trace
|
||||
#include <trace/define_trace.h>
|
||||
Loading…
Reference in New Issue
Block a user