diff options
| author | Steve French <stfrench@microsoft.com> | 2024-03-06 10:03:59 +0300 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2024-03-11 03:36:18 +0300 |
| commit | 073dd87c8e1ee55ca163956f0c71249dc28aac51 (patch) | |
| tree | 28e180b007f1a8b604b94088369c1174c938a95d /fs/smb/client/trace.h | |
| parent | f3dc1bdb6b0b0693562c7c54a6c28bafa608ba3c (diff) | |
| download | linux-073dd87c8e1ee55ca163956f0c71249dc28aac51.tar.xz | |
smb3: add dynamic trace point for ioctls
It can be helpful in debugging to know which ioctls are called to better
correlate them with smb3 fsctls (and opens). Add a dynamic trace point
to trace ioctls into cifs.ko
Here is sample output:
TASK-PID CPU# ||||| TIMESTAMP FUNCTION
| | | ||||| | |
new-inotify-ioc-90418 [001] ..... 142157.397024: smb3_ioctl: xid=18 fid=0x0 ioctl cmd=0xc009cf0b
new-inotify-ioc-90457 [007] ..... 142217.943569: smb3_ioctl: xid=22 fid=0x389bf5b6 ioctl cmd=0xc009cf0b
Signed-off-by: Steve French <stfrench@microsoft.com>
Diffstat (limited to 'fs/smb/client/trace.h')
| -rw-r--r-- | fs/smb/client/trace.h | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/fs/smb/client/trace.h b/fs/smb/client/trace.h index ce90ae0d77f8..f9c1fd32d0b8 100644 --- a/fs/smb/client/trace.h +++ b/fs/smb/client/trace.h @@ -1032,6 +1032,38 @@ DEFINE_EVENT(smb3_ses_class, smb3_##name, \ DEFINE_SMB3_SES_EVENT(ses_not_found); +DECLARE_EVENT_CLASS(smb3_ioctl_class, + TP_PROTO(unsigned int xid, + __u64 fid, + unsigned int command), + TP_ARGS(xid, fid, command), + TP_STRUCT__entry( + __field(unsigned int, xid) + __field(__u64, fid) + __field(unsigned int, command) + ), + TP_fast_assign( + __entry->xid = xid; + __entry->fid = fid; + __entry->command = command; + ), + TP_printk("xid=%u fid=0x%llx ioctl cmd=0x%x", + __entry->xid, __entry->fid, __entry->command) +) + +#define DEFINE_SMB3_IOCTL_EVENT(name) \ +DEFINE_EVENT(smb3_ioctl_class, smb3_##name, \ + TP_PROTO(unsigned int xid, \ + __u64 fid, \ + unsigned int command), \ + TP_ARGS(xid, fid, command)) + +DEFINE_SMB3_IOCTL_EVENT(ioctl); + + + + + DECLARE_EVENT_CLASS(smb3_credit_class, TP_PROTO(__u64 currmid, __u64 conn_id, |