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NTB: Clean up QP stats info

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

Signed-off-by: Dave Jiang <dave.jiang@intel.com>
Signed-off-by: Jon Mason <jdmason@kudzu.us>
This commit is contained in:
Dave Jiang 2015-07-13 08:07:20 -04:00 • committed by Jon Mason
parent 315100004f
commit d98ef99e37
1 changed files with 16 additions and 9 deletions
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25
drivers/ntb/ntb_transport.c
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@ -452,7 +452,7 @@ static ssize_t debugfs_read(struct file *filp, char __user *ubuf, size_t count,
out_offset = 0; out_offset = 0;
out_offset += snprintf(buf + out_offset, out_count - out_offset, 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, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"rx_bytes - \t%llu\n", qp->rx_bytes); "rx_bytes - \t%llu\n", qp->rx_bytes);
out_offset += snprintf(buf + out_offset, out_count - out_offset, 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, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"rx_err_ver - \t%llu\n", qp->rx_err_ver); "rx_err_ver - \t%llu\n", qp->rx_err_ver);
out_offset += snprintf(buf + out_offset, out_count - out_offset, 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, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"rx_index - \t%u\n", qp->rx_index); "rx_index - \t%u\n", qp->rx_index);
out_offset += snprintf(buf + out_offset, out_count - out_offset, 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, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"tx_bytes - \t%llu\n", qp->tx_bytes); "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, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"tx_err_no_buf - %llu\n", qp->tx_err_no_buf); "tx_err_no_buf - %llu\n", qp->tx_err_no_buf);
out_offset += snprintf(buf + out_offset, out_count - out_offset, 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, 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,
"RRI (T) - \t%u\n",
qp->remote_rx_info->entry);
out_offset += snprintf(buf + out_offset, out_count - out_offset, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"tx_max_entry - \t%u\n", qp->tx_max_entry); "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",
qp->remote_rx_info->entry);
out_offset += snprintf(buf + out_offset, out_count - out_offset, out_offset += snprintf(buf + out_offset, out_count - out_offset,
"free tx - \t%u\n", "free tx - \t%u\n",
ntb_transport_tx_free_entry(qp)); ntb_transport_tx_free_entry(qp));
out_offset += snprintf(buf + out_offset, out_count - out_offset, 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"); qp->link_is_up ? "Up" : "Down");
out_offset += snprintf(buf + out_offset, out_count - out_offset,
"\n");
if (out_offset > out_count) if (out_offset > out_count)
out_offset = out_count; out_offset = out_count;