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ath9k: Show some live tx-queue values in debugfs. 

I thought this might help track down stuck queues, etc.

Signed-off-by: Ben Greear <greearb@candelatech.com>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
This commit is contained in:
Ben Greear 2011-01-09 23:11:43 -08:00 committed by John W. Linville
parent b305dae488
commit 1f427dd913
1 changed files with 16 additions and 0 deletions
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16
drivers/net/wireless/ath/ath9k/debug.c
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@ -589,6 +589,16 @@ static const struct file_operations fops_wiphy = {
sc->debug.stats.txstats[WME_AC_VO].elem); \
} while(0)
#define PRX(str, elem) \
do { \
len += snprintf(buf + len, size - len, \
"%s%13u%11u%10u%10u\n", str, \
(unsigned int)(sc->tx.txq[WME_AC_BE].elem), \
(unsigned int)(sc->tx.txq[WME_AC_BK].elem), \
(unsigned int)(sc->tx.txq[WME_AC_VI].elem), \
(unsigned int)(sc->tx.txq[WME_AC_VO].elem)); \
} while(0)
static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
size_t count, loff_t *ppos)
{
@ -619,6 +629,12 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
PR("TX-Pkts-All: ", tx_pkts_all);
PR("TX-Bytes-All: ", tx_bytes_all);
PRX("axq-qnum: ", axq_qnum);
PRX("axq-depth: ", axq_depth);
PRX("axq-stopped ", stopped);
PRX("tx-in-progress ", axq_tx_inprogress);
PRX("pending-frames ", pending_frames);
if (len > size)
len = size;