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authorDave Jiang <dave.jiang@intel.com>2015-07-13 08:07:20 -0400
committerJon Mason <jdmason@kudzu.us>2015-09-07 15:17:08 -0400
commitd98ef99e378b0d5c42be928d6f2abe08a5f9ce53 (patch)
tree9f3f01719d444a0591ad9007bb27fedd36b6b939 /drivers/ntb/ntb_transport.c
parent315100004fd6d9189b033f3bf9c5eba9eb906705 (diff)
downloadlwn-d98ef99e378b0d5c42be928d6f2abe08a5f9ce53.tar.gz
lwn-d98ef99e378b0d5c42be928d6f2abe08a5f9ce53.zip
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: Dave Jiang <dave.jiang@intel.com> Signed-off-by: Jon Mason <jdmason@kudzu.us>
Diffstat (limited to 'drivers/ntb/ntb_transport.c')
-rw-r--r--drivers/ntb/ntb_transport.c25
1 files changed, 16 insertions, 9 deletions
diff --git a/drivers/ntb/ntb_transport.c b/drivers/ntb/ntb_transport.c
index 29553fb7fb8e..777436c47679 100644
--- a/drivers/ntb/ntb_transport.c
+++ b/drivers/ntb/ntb_transport.c
@@ -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;