Commit 53a3e0d9 authored by Steve French's avatar Steve French

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: default avatarSteve French <stfrench@microsoft.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
parent efe2e9f3
...@@ -602,6 +602,8 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr, ...@@ -602,6 +602,8 @@ smb2_mid_entry_alloc(const struct smb2_sync_hdr *shdr,
atomic_inc(&midCount); atomic_inc(&midCount);
temp->mid_state = MID_REQUEST_ALLOCATED; temp->mid_state = MID_REQUEST_ALLOCATED;
trace_smb3_cmd_enter(shdr->TreeId, shdr->SessionId,
le16_to_cpu(shdr->Command), temp->mid);
return temp; return temp;
} }
...@@ -636,6 +638,7 @@ smb2_get_mid_entry(struct cifs_ses *ses, struct smb2_sync_hdr *shdr, ...@@ -636,6 +638,7 @@ smb2_get_mid_entry(struct cifs_ses *ses, struct smb2_sync_hdr *shdr,
spin_lock(&GlobalMid_Lock); spin_lock(&GlobalMid_Lock);
list_add_tail(&(*mid)->qhead, &ses->server->pending_mid_q); list_add_tail(&(*mid)->qhead, &ses->server->pending_mid_q);
spin_unlock(&GlobalMid_Lock); spin_unlock(&GlobalMid_Lock);
return 0; return 0;
} }
......
...@@ -275,6 +275,7 @@ DEFINE_EVENT(smb3_cmd_done_class, smb3_##name, \ ...@@ -275,6 +275,7 @@ DEFINE_EVENT(smb3_cmd_done_class, smb3_##name, \
__u64 mid), \ __u64 mid), \
TP_ARGS(tid, sesid, cmd, 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(cmd_done);
DEFINE_SMB3_CMD_DONE_EVENT(ses_expired); DEFINE_SMB3_CMD_DONE_EVENT(ses_expired);
......
Markdown is supported
0%
or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment