diff options
| author |   Steve French <stfrench@microsoft.com> | 2019-02-26 21:26:20 -0600 |
|---|---|---|
| committer | Steve French <stfrench@microsoft.com> | 2019-03-05 18:10:13 -0600 |
| commit | 53a3e0d96c708bca1607507ab2470a3c911c8c81 (patch) | |
| tree | e3616cb3f75465ca70ed9aa04bdb26bc8fd76de5 /fs/cifs | |
| parent | smb3: improve dynamic tracing of open and posix mkdir (diff) | |
| download | linux-dev-53a3e0d96c708bca1607507ab2470a3c911c8c81.tar.xz linux-dev-53a3e0d96c708bca1607507ab2470a3c911c8c81.zip | |
smb3: add dynamic trace point for smb3_cmd_enter
Add tracepoint before sending an SMB3 command on the wire (ie add
an smb3_cmd_enter tracepoint). This allows us to look in much
more detail at response times (between request and response).
Signed-off-by: Steve French <stfrench@microsoft.com>
Reviewed-by: Pavel Shilovsky <pshilov@microsoft.com>
Diffstat (limited to 'fs/cifs')
| -rw-r--r-- | fs/cifs/smb2transport.c | 3 | ||||
| -rw-r--r-- | fs/cifs/trace.h | 1 |
2 files changed, 4 insertions, 0 deletions
diff --git a/fs/cifs/smb2transport.c b/fs/cifs/smb2transport.c index 63264db78b89..fa1fec2e3c8d 100644 --- a/fs/cifs/smb2transport.c +++ b/fs/cifs/smb2transport.c @@ -602,6 +602,8 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr, atomic_inc(&midCount); temp->mid_state = MID_REQUEST_ALLOCATED; + trace_smb3_cmd_enter(shdr->TreeId, shdr->SessionId, + le16_to_cpu(shdr->Command), temp->mid); return temp; } @@ -636,6 +638,7 @@ smb2_get_mid_entry(struct cifs_ses *ses, struct smb2_sync_hdr *shdr, spin_lock(&GlobalMid_Lock); list_add_tail(&(*mid)->qhead, &ses->server->pending_mid_q); spin_unlock(&GlobalMid_Lock); + return 0; } diff --git a/fs/cifs/trace.h b/fs/cifs/trace.h index b6352b68f18b..2a0be3e1927f 100644 --- a/fs/cifs/trace.h +++ b/fs/cifs/trace.h @@ -275,6 +275,7 @@ DEFINE_EVENT(smb3_cmd_done_class, smb3_##name, \ __u64 mid), \ TP_ARGS(tid, sesid, cmd, mid)) +DEFINE_SMB3_CMD_DONE_EVENT(cmd_enter); DEFINE_SMB3_CMD_DONE_EVENT(cmd_done); DEFINE_SMB3_CMD_DONE_EVENT(ses_expired); |