提交 0e1824c9 编写于 作者: J Jiri Pirko 提交者: David S. Miller

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: NRandy Dunlap <rdunlap@infradead.org>
Fixes: e5224f0f ("devlink: add hardware messages tracing facility")
Signed-off-by: NJiri Pirko <jiri@mellanox.com>
Acked-by: NRandy Dunlap <rdunlap@infradead.org>
Acked-by: NSteven Rostedt <rostedt@goodmis.org>
Signed-off-by: NDavid S. Miller <davem@davemloft.net>
上级 a1e3e737
...@@ -22,7 +22,7 @@ TRACE_EVENT(devlink_hwmsg, ...@@ -22,7 +22,7 @@ TRACE_EVENT(devlink_hwmsg,
TP_STRUCT__entry( TP_STRUCT__entry(
__string(bus_name, devlink->dev->bus->name) __string(bus_name, devlink->dev->bus->name)
__string(dev_name, dev_name(devlink->dev)) __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(bool, incoming)
__field(unsigned long, type) __field(unsigned long, type)
__dynamic_array(u8, buf, len) __dynamic_array(u8, buf, len)
...@@ -32,16 +32,16 @@ TRACE_EVENT(devlink_hwmsg, ...@@ -32,16 +32,16 @@ TRACE_EVENT(devlink_hwmsg,
TP_fast_assign( TP_fast_assign(
__assign_str(bus_name, devlink->dev->bus->name); __assign_str(bus_name, devlink->dev->bus->name);
__assign_str(dev_name, dev_name(devlink->dev)); __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->incoming = incoming;
__entry->type = type; __entry->type = type;
memcpy(__get_dynamic_array(buf), buf, len); memcpy(__get_dynamic_array(buf), buf, len);
__entry->len = 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(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) (int) __entry->len, __get_dynamic_array(buf), __entry->len)
); );
......
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