Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit d323c246 authored by Steve French's avatar Steve French
Browse files

smb3: Add tracepoints for read, write and query_dir enter



Allows tracing begin (not just completion) of read, write
and query_dir which may be helpful in finding slow requests
and other timing information

Signed-off-by: default avatarSteve French <stfrench@microsoft.com>
Reviewed-by: default avatarPavel Shilovsky <pshilov@microsoft.com>
Reviewed-by: default avatarRonnie Sahlberg <lsahlber@redhat.com>
parent adb3b4e9
Loading
Loading
Loading
Loading
+15 −0
Original line number Diff line number Diff line
@@ -3142,6 +3142,11 @@ smb2_new_read_req(void **buf, unsigned int *total_len,
	req->MinimumCount = 0;
	req->Length = cpu_to_le32(io_parms->length);
	req->Offset = cpu_to_le64(io_parms->offset);

	trace_smb3_read_enter(0 /* xid */,
			io_parms->persistent_fid,
			io_parms->tcon->tid, io_parms->tcon->ses->Suid,
			io_parms->offset, io_parms->length);
#ifdef CONFIG_CIFS_SMB_DIRECT
	/*
	 * If we want to do a RDMA write, fill in and append
@@ -3541,6 +3546,9 @@ smb2_async_writev(struct cifs_writedata *wdata,
	req->DataOffset = cpu_to_le16(
				offsetof(struct smb2_write_req, Buffer));
	req->RemainingBytes = 0;

	trace_smb3_write_enter(0 /* xid */, wdata->cfile->fid.persistent_fid,
		tcon->tid, tcon->ses->Suid, wdata->offset, wdata->bytes);
#ifdef CONFIG_CIFS_SMB_DIRECT
	/*
	 * If we want to do a server RDMA read, fill in and append
@@ -3688,6 +3696,10 @@ SMB2_write(const unsigned int xid, struct cifs_io_parms *io_parms,
				offsetof(struct smb2_write_req, Buffer));
	req->RemainingBytes = 0;

	trace_smb3_write_enter(xid, io_parms->persistent_fid,
		io_parms->tcon->tid, io_parms->tcon->ses->Suid,
		io_parms->offset, io_parms->length);

	iov[0].iov_base = (char *)req;
	/* 1 for Buffer */
	iov[0].iov_len = total_len - 1;
@@ -3850,6 +3862,9 @@ SMB2_query_directory(const unsigned int xid, struct cifs_tcon *tcon,
	rqst.rq_iov = iov;
	rqst.rq_nvec = 2;

	trace_smb3_query_dir_enter(xid, persistent_fid, tcon->tid,
			tcon->ses->Suid, index, output_size);

	rc = cifs_send_recv(xid, ses, &rqst, &resp_buftype, flags, &rsp_iov);
	cifs_small_buf_release(req);
	rsp = (struct smb2_query_directory_rsp *)rsp_iov.iov_base;
+3 −0
Original line number Diff line number Diff line
@@ -101,6 +101,9 @@ DEFINE_EVENT(smb3_rw_done_class, smb3_##name, \
		__u32	len),			\
	TP_ARGS(xid, fid, tid, sesid, offset, len))

DEFINE_SMB3_RW_DONE_EVENT(write_enter);
DEFINE_SMB3_RW_DONE_EVENT(read_enter);
DEFINE_SMB3_RW_DONE_EVENT(query_dir_enter);
DEFINE_SMB3_RW_DONE_EVENT(write_done);
DEFINE_SMB3_RW_DONE_EVENT(read_done);
DEFINE_SMB3_RW_DONE_EVENT(query_dir_done);