[patch net-next 1/2] tracing: change owner name to driver name for devlink hwmsg tracepoint
From: Jiri Pirko <jiri@resnulli.us>
Date: 2016-07-14 09:37:36
Also in:
lkml
Subsystem:
the rest, tracing · Maintainers:
Linus Torvalds, Steven Rostedt, Masami Hiramatsu
From: Jiri Pirko <redacted>
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 <redacted>
Fixes: e5224f0fe2 ("devlink: add hardware messages tracing facility")
Signed-off-by: Jiri Pirko <redacted>
---
include/trace/events/devlink.h | 8 ++++----
1 file changed, 4 insertions(+), 4 deletions(-)
diff --git a/include/trace/events/devlink.h b/include/trace/events/devlink.h
index 333c32a..77dce71 100644
--- a/include/trace/events/devlink.h
+++ b/include/trace/events/devlink.h@@ -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) );
--
2.5.5