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| author | Nir Dotan <nird@mellanox.com> | 2019-02-04 18:47:45 +0000 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2019-02-06 11:05:57 -0800 |
| commit | 57186a5f43d093e769076a4f1bf043351d8668a0 (patch) | |
| tree | 746ab6fab6b854beafbcfd48b5c6e033e18f302c /include/trace | |
| parent | 8ce5cd5ed48b985839b6cadb997403cbcf7fe9db (diff) | |
| download | linux-57186a5f43d093e769076a4f1bf043351d8668a0.tar.gz linux-57186a5f43d093e769076a4f1bf043351d8668a0.tar.bz2 linux-57186a5f43d093e769076a4f1bf043351d8668a0.zip | |
devlink: add hardware errors tracing facility
Define a tracepoint and allow user to trace messages in case of an hardware
error code for hardware associated with devlink instance.
Signed-off-by: Nir Dotan <nird@mellanox.com>
Acked-by: Jiri Pirko <jiri@mellanox.com>
Signed-off-by: Ido Schimmel <idosch@mellanox.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'include/trace')
| -rw-r--r-- | include/trace/events/devlink.h | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/include/trace/events/devlink.h b/include/trace/events/devlink.h index 44acfbca1266..40705364a50f 100644 --- a/include/trace/events/devlink.h +++ b/include/trace/events/devlink.h @@ -46,6 +46,35 @@ TRACE_EVENT(devlink_hwmsg, (int) __entry->len, __get_dynamic_array(buf), __entry->len) ); +/* + * Tracepoint for devlink hardware error: + */ +TRACE_EVENT(devlink_hwerr, + TP_PROTO(const struct devlink *devlink, int err, const char *msg), + + TP_ARGS(devlink, err, msg), + + TP_STRUCT__entry( + __string(bus_name, devlink->dev->bus->name) + __string(dev_name, dev_name(devlink->dev)) + __string(driver_name, devlink->dev->driver->name) + __field(int, err) + __string(msg, msg) + ), + + TP_fast_assign( + __assign_str(bus_name, devlink->dev->bus->name); + __assign_str(dev_name, dev_name(devlink->dev)); + __assign_str(driver_name, devlink->dev->driver->name); + __entry->err = err; + __assign_str(msg, msg); + ), + + TP_printk("bus_name=%s dev_name=%s driver_name=%s err=%d %s", + __get_str(bus_name), __get_str(dev_name), + __get_str(driver_name), __entry->err, __get_str(msg)) +); + #endif /* _TRACE_DEVLINK_H */ /* This part must be outside protection */ @@ -64,6 +93,10 @@ static inline void trace_devlink_hwmsg(const struct devlink *devlink, { } +static inline void trace_devlink_hwerr(const struct devlink *devlink, + int err, const char *msg) +{ +} #endif /* _TRACE_DEVLINK_H */ #endif |