Commit d98ef99e authored by Dave Jiang's avatar Dave Jiang Committed by Jon Mason
Browse files

NTB: Clean up QP stats info 



Make QP stats info more readable for debugging purposes.  Also add an
entry to indicate whether DMA is being used.

Signed-off-by: default avatarDave Jiang <dave.jiang@intel.com>
Signed-off-by: default avatarJon Mason <jdmason@kudzu.us>
parent 31510000

drivers/ntb/ntb_transport.c

+16 −9
Original line number Diff line number Diff line
@@ -452,7 +452,7 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, 


	out_offset = 0;

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "NTB QP stats\n");

			       "\nNTB QP stats:\n\n");

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "rx_bytes - \t%llu\n", qp->rx_bytes);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,
@@ -470,11 +470,11 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, 
	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "rx_err_ver - \t%llu\n", qp->rx_err_ver);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "rx_buff - \t%p\n", qp->rx_buff);

			       "rx_buff - \t0x%p\n", qp->rx_buff);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "rx_index - \t%u\n", qp->rx_index);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "rx_max_entry - \t%u\n", qp->rx_max_entry);

			       "rx_max_entry - \t%u\n\n", qp->rx_max_entry);



	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "tx_bytes - \t%llu\n", qp->tx_bytes);
@@ -489,21 +489,28 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count, 
	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "tx_err_no_buf - %llu\n", qp->tx_err_no_buf);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "tx_mw - \t%p\n", qp->tx_mw);

			       "tx_mw - \t0x%p\n", qp->tx_mw);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "tx_index - \t%u\n", qp->tx_index);

			       "tx_index (H) - \t%u\n", qp->tx_index);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "tx_max_entry - \t%u\n", qp->tx_max_entry);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "qp->remote_rx_info->entry - \t%u\n",

			       "RRI (T) - \t%u\n",

			       qp->remote_rx_info->entry);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "tx_max_entry - \t%u\n", qp->tx_max_entry);

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "free tx - \t%u\n",

			       ntb_transport_tx_free_entry(qp));



	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "\nQP Link %s\n",

			       "\n");

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "Using DMA - \t%s\n", use_dma ? "Yes" : "No");

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "QP Link - \t%s\n",

			       qp->link_is_up ? "Up" : "Down");

	out_offset += snprintf(buf + out_offset, out_count - out_offset,

			       "\n");



	if (out_offset > out_count)

		out_offset = out_count;