diff options
| author | Vladimir Oltean <vladimir.oltean@nxp.com> | 2022-12-09 19:28:16 +0200 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2022-12-12 15:01:18 -0800 |
| commit | 8646384d80f3d3b4a66b3284dbbd8232d1b8799e (patch) | |
| tree | 724801f249bfd873038e8bdc221b56616a654061 /drivers/net/dsa/mv88e6xxx/Makefile | |
| parent | 4bf24ad09bc0b05e97fb48b962b2c9246fc76727 (diff) | |
net: dsa: mv88e6xxx: replace ATU violation prints with trace points
In applications where the switch ports must perform 802.1X based
authentication and are therefore locked, ATU violation interrupts are
quite to be expected as part of normal operation. The problem is that
they currently spam the kernel log, even if rate limited.
Create a series of trace points, all derived from the same event class,
which log these violations to the kernel's trace buffer, which is both
much faster and much easier to ignore than printing to a serial console.
New usage model:
$ trace-cmd list | grep mv88e6xxx
mv88e6xxx
mv88e6xxx:mv88e6xxx_atu_full_violation
mv88e6xxx:mv88e6xxx_atu_miss_violation
mv88e6xxx:mv88e6xxx_atu_member_violation
$ trace-cmd record -e mv88e6xxx sleep 10
Signed-off-by: Vladimir Oltean <vladimir.oltean@nxp.com>
Reviewed-by: Saeed Mahameed <saeed@kernel.org>
Reviewed-by: Florian Fainelli <f.fainelli@gmail.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/net/dsa/mv88e6xxx/Makefile')
| -rw-r--r-- | drivers/net/dsa/mv88e6xxx/Makefile | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/drivers/net/dsa/mv88e6xxx/Makefile b/drivers/net/dsa/mv88e6xxx/Makefile index c8eca2b6f959..49bf358b9c4f 100644 --- a/drivers/net/dsa/mv88e6xxx/Makefile +++ b/drivers/net/dsa/mv88e6xxx/Makefile @@ -15,3 +15,7 @@ mv88e6xxx-objs += port_hidden.o mv88e6xxx-$(CONFIG_NET_DSA_MV88E6XXX_PTP) += ptp.o mv88e6xxx-objs += serdes.o mv88e6xxx-objs += smi.o +mv88e6xxx-objs += trace.o + +# for tracing framework to find trace.h +CFLAGS_trace.o := -I$(src) |