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tracing: change owner name to driver name for devlink hwmsg tracepoint 

Turned on that driver->owner which is struct module is not available when
modules are disabled. Better to depend on a driver name which is
always available.

Reported-by: Randy Dunlap <rdunlap@infradead.org>
Fixes: e5224f0fe2 ("devlink: add hardware messages tracing facility")
Signed-off-by: Jiri Pirko <jiri@mellanox.com>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Acked-by: Steven Rostedt <rostedt@goodmis.org>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Jiri Pirko 2016-07-14 11:37:28 +02:00 committed by David S. Miller
parent a1e3e7372c
commit 0e1824c98a
1 changed files with 4 additions and 4 deletions
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8
include/trace/events/devlink.h
View File

@ -22,7 +22,7 @@ TRACE_EVENT(devlink_hwmsg,
TP_STRUCT__entry(
__string(bus_name, devlink->dev->bus->name)
__string(dev_name, dev_name(devlink->dev))
__string(owner_name, devlink->dev->driver->owner->name)
__string(driver_name, devlink->dev->driver->name)
__field(bool, incoming)
__field(unsigned long, type)
__dynamic_array(u8, buf, len)
@ -32,16 +32,16 @@ TRACE_EVENT(devlink_hwmsg,
TP_fast_assign(
__assign_str(bus_name, devlink->dev->bus->name);
__assign_str(dev_name, dev_name(devlink->dev));
__assign_str(owner_name, devlink->dev->driver->owner->name);
__assign_str(driver_name, devlink->dev->driver->name);
__entry->incoming = incoming;
__entry->type = type;
memcpy(__get_dynamic_array(buf), buf, len);
__entry->len = len;
),
TP_printk("bus_name=%s dev_name=%s owner_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%lu",
TP_printk("bus_name=%s dev_name=%s driver_name=%s incoming=%d type=%lu buf=0x[%*phD] len=%lu",
__get_str(bus_name), __get_str(dev_name),
__get_str(owner_name), __entry->incoming, __entry->type,
__get_str(driver_name), __entry->incoming, __entry->type,
(int) __entry->len, __get_dynamic_array(buf), __entry->len)
);