svn commit: r225291 - user/adrian/if_ath_tx/sys/dev/ath
Adrian Chadd
adrian at FreeBSD.org
Wed Aug 31 09:31:51 UTC 2011
Author: adrian
Date: Wed Aug 31 09:31:50 2011
New Revision: 225291
URL: http://svn.freebsd.org/changeset/base/225291
Log:
Add another statistic - track how many times the scheduler is called whilst
the hardware queue is too deep.
Modified:
user/adrian/if_ath_tx/sys/dev/ath/if_ath_sysctl.c
user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c
user/adrian/if_ath_tx/sys/dev/ath/if_athioctl.h
Modified: user/adrian/if_ath_tx/sys/dev/ath/if_ath_sysctl.c
==============================================================================
--- user/adrian/if_ath_tx/sys/dev/ath/if_ath_sysctl.c Wed Aug 31 09:29:46 2011 (r225290)
+++ user/adrian/if_ath_tx/sys/dev/ath/if_ath_sysctl.c Wed Aug 31 09:31:50 2011 (r225291)
@@ -323,6 +323,8 @@ ath_sysctl_txagg(SYSCTL_HANDLER_ARGS)
sc->sc_stats.tx_aggr.aggr_aggr_pkt);
printf("aggr single packet low hwq: %d\n",
sc->sc_stats.tx_aggr.aggr_low_hwq_single_pkt);
+ printf("aggr sched, no work: %d\n",
+ sc->sc_stats.tx_aggr.aggr_sched_nopkt);
for (i = 0; i < 64; i++) {
printf("%2d: %10d ", i, sc->sc_stats.tx_aggr.aggr_pkts[i]);
if (i % 4 == 3)
Modified: user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c
==============================================================================
--- user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c Wed Aug 31 09:29:46 2011 (r225290)
+++ user/adrian/if_ath_tx/sys/dev/ath/if_ath_tx.c Wed Aug 31 09:31:50 2011 (r225291)
@@ -3323,6 +3323,7 @@ ath_txq_sched(struct ath_softc *sc, stru
* some packets in the aggregation queue.
*/
if (txq->axq_aggr_depth >= sc->sc_hwq_limit) {
+ sc->sc_stats.tx_aggr.aggr_sched_nopkt++;
return;
}
@@ -3335,9 +3336,6 @@ ath_txq_sched(struct ath_softc *sc, stru
/*
* Suspend paused queues here; they'll be resumed
* once the addba completes or times out.
- *
- * Since this touches tid->paused, it should lock
- * the TID lock before checking.
*/
DPRINTF(sc, ATH_DEBUG_SW_TX, "%s: tid=%d, paused=%d\n",
__func__, tid->tid, tid->paused);
Modified: user/adrian/if_ath_tx/sys/dev/ath/if_athioctl.h
==============================================================================
--- user/adrian/if_ath_tx/sys/dev/ath/if_athioctl.h Wed Aug 31 09:29:46 2011 (r225290)
+++ user/adrian/if_ath_tx/sys/dev/ath/if_athioctl.h Wed Aug 31 09:31:50 2011 (r225291)
@@ -42,6 +42,7 @@ struct ath_tx_aggr_stats {
u_int32_t aggr_aggr_pkt;
u_int32_t aggr_baw_closed_single_pkt;
u_int32_t aggr_low_hwq_single_pkt;
+ u_int32_t aggr_sched_nopkt;
};
struct ath_stats {
More information about the svn-src-user
mailing list