From: greearb@candelatech.com
To: linux-wireless@vger.kernel.org
Cc: ath9k-devel@venema.h4ckr.net, Ben Greear <greearb@candelatech.com>
Subject: [PATCH RESEND 08/11] ath9k: More xmit queue debugfs information.
Date: Sun, 9 Jan 2011 23:11:50 -0800 [thread overview]
Message-ID: <1294643513-18820-9-git-send-email-greearb@candelatech.com> (raw)
In-Reply-To: <1294643513-18820-1-git-send-email-greearb@candelatech.com>
From: Ben Greear <greearb@candelatech.com>
To try to figure out why xmit logic hangs.
Signed-off-by: Ben Greear <greearb@candelatech.com>
---
:100644 100644 650f00f... 9e009cc... M drivers/net/wireless/ath/ath9k/debug.c
drivers/net/wireless/ath/ath9k/debug.c | 26 ++++++++++++++++++++++++++
1 files changed, 26 insertions(+), 0 deletions(-)
diff --git a/drivers/net/wireless/ath/ath9k/debug.c b/drivers/net/wireless/ath/ath9k/debug.c
index 650f00f..9e009cc 100644
--- a/drivers/net/wireless/ath/ath9k/debug.c
+++ b/drivers/net/wireless/ath/ath9k/debug.c
@@ -679,6 +679,32 @@ static ssize_t read_file_xmit(struct file *file, char __user *user_buf,
PRQLE(tmp, txq_fifo[i]);
}
+ /* Print out more detailed queue-info */
+ for (i = 0; i <= WME_AC_BK; i++) {
+ struct ath_txq *txq = &(sc->tx.txq[i]);
+ struct ath_atx_ac *ac;
+ struct ath_atx_tid *tid;
+ if (len >= size)
+ goto done;
+ spin_lock_bh(&txq->axq_lock);
+ if (!list_empty(&txq->axq_acq)) {
+ ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac,
+ list);
+ len += snprintf(buf + len, size - len,
+ "txq[%i] first-ac: %p sched: %i\n",
+ i, ac, ac->sched);
+ if (list_empty(&ac->tid_q) || (len >= size))
+ goto done_for;
+ tid = list_first_entry(&ac->tid_q, struct ath_atx_tid,
+ list);
+ len += snprintf(buf + len, size - len,
+ " first-tid: %p sched: %i paused: %i\n",
+ tid, tid->sched, tid->paused);
+ }
+ done_for:
+ spin_unlock_bh(&txq->axq_lock);
+ }
+
done:
if (len > size)
len = size;
--
1.7.2.3
next prev parent reply other threads:[~2011-01-10 7:12 UTC|newest]
Thread overview: 15+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-01-10 7:11 ath9k: Resend all my pending patches greearb
2011-01-10 7:11 ` [PATCH RESEND 01/11] ath9k: Show some live tx-queue values in debugfs greearb
2011-01-10 7:11 ` [PATCH RESEND 02/11] ath9k: Initialize ah->hw greearb
2011-01-10 7:11 ` [PATCH RESEND 03/11] ath9k: Add more information to debugfs xmit file greearb
2011-01-10 7:11 ` [PATCH RESEND 04/11] ath9k: Remove un-used member from ath_node greearb
2011-01-10 7:11 ` [PATCH RESEND 05/11] ath9k: Ensure xmit makes progress greearb
2011-01-10 7:11 ` [PATCH RESEND 06/11] ath9k: Add counters to distinquish AMPDU enqueues greearb
2011-01-10 7:11 ` [PATCH RESEND 07/11] ath9k: Keep track of stations for debugfs greearb
2011-01-10 7:11 ` greearb [this message]
2011-01-10 7:11 ` [PATCH RESEND 09/11] ath9k: Try all queues when looking for next packet to send greearb
2011-01-25 21:37 ` John W. Linville
2011-01-25 22:01 ` Ben Greear
2011-01-10 7:11 ` [PATCH RESEND 10/11] ath9k: Restart xmit logic in xmit watchdog greearb
2011-01-10 7:11 ` [PATCH RESEND 11/11] ath9k: Implement rx copy-break greearb
2011-01-10 15:19 ` Felix Fietkau
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=1294643513-18820-9-git-send-email-greearb@candelatech.com \
--to=greearb@candelatech.com \
--cc=ath9k-devel@venema.h4ckr.net \
--cc=linux-wireless@vger.kernel.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).