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>
diff --git a/net/ieee802154/Makefile b/net/ieee802154/Makefile
index 05dab29..4adfd4d 100644
--- a/net/ieee802154/Makefile
+++ b/net/ieee802154/Makefile
@@ -3,7 +3,9 @@
obj-y += 6lowpan/
ieee802154-y := netlink.o nl-mac.o nl-phy.o nl_policy.o core.o \
- header_ops.o sysfs.o nl802154.o
+ header_ops.o sysfs.o nl802154.o trace.o
ieee802154_socket-y := socket.o
+CFLAGS_trace.o := -I$(src)
+
ccflags-y += -D__CHECK_ENDIAN__