diff options
| author | Bruno Randolf <br1@einfach.org> | 2010-09-17 11:37:02 +0900 |
|---|---|---|
| committer | John W. Linville <linville@tuxdriver.com> | 2010-09-21 11:05:14 -0400 |
| commit | 923e5b3d3d773b9956b943ac64f782d5a127bdea (patch) | |
| tree | 04baaf5b5f2edb1b467f6e9debc075c2bb2b62cc /drivers/net/wireless/ath | |
| parent | 4edd761f4075b03be5932682a2f7b9368dc9e536 (diff) | |
ath5k: Count how many times a queue got stuck
Add a counter to show how many times a queue got stuck in the debugfs queue
file.
Signed-off-by: Bruno Randolf <br1@einfach.org>
Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/ath')
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.c | 2 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/base.h | 1 | ||||
| -rw-r--r-- | drivers/net/wireless/ath/ath5k/debug.c | 2 |
3 files changed, 5 insertions, 0 deletions
diff --git a/drivers/net/wireless/ath/ath5k/base.c b/drivers/net/wireless/ath/ath5k/base.c index afedfeba13d..cae9fe4676e 100644 --- a/drivers/net/wireless/ath/ath5k/base.c +++ b/drivers/net/wireless/ath/ath5k/base.c @@ -892,6 +892,7 @@ ath5k_txq_setup(struct ath5k_softc *sc, txq->setup = true; txq->txq_len = 0; txq->txq_poll_mark = false; + txq->txq_stuck = 0; } return &sc->txqs[qnum]; } @@ -2193,6 +2194,7 @@ ath5k_tx_complete_poll_work(struct work_struct *work) "TX queue stuck %d\n", txq->qnum); needreset = true; + txq->txq_stuck++; spin_unlock_bh(&txq->lock); break; } else { diff --git a/drivers/net/wireless/ath/ath5k/base.h b/drivers/net/wireless/ath/ath5k/base.h index d8e2674aec7..7f9d0d3018e 100644 --- a/drivers/net/wireless/ath/ath5k/base.h +++ b/drivers/net/wireless/ath/ath5k/base.h @@ -88,6 +88,7 @@ struct ath5k_txq { bool setup; int txq_len; /* number of queued buffers */ bool txq_poll_mark; + unsigned int txq_stuck; /* informational counter */ }; #define ATH5K_LED_MAX_NAME_LEN 31 diff --git a/drivers/net/wireless/ath/ath5k/debug.c b/drivers/net/wireless/ath/ath5k/debug.c index b2c610ba8b7..6583a82a078 100644 --- a/drivers/net/wireless/ath/ath5k/debug.c +++ b/drivers/net/wireless/ath/ath5k/debug.c @@ -785,6 +785,8 @@ static ssize_t read_file_queue(struct file *file, char __user *user_buf, len += snprintf(buf+len, sizeof(buf)-len, " len: %d bufs: %d\n", txq->txq_len, n); + len += snprintf(buf+len, sizeof(buf)-len, + " stuck: %d\n", txq->txq_stuck); } if (len > sizeof(buf)) |