Date: Mon, 18 Mar 2013 01:12:36 +0000 (UTC) From: Adrian Chadd <adrian@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r248451 - head/sys/dev/ath Message-ID: <201303180112.r2I1Ca4O028535@svn.freebsd.org>
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Author: adrian Date: Mon Mar 18 01:12:36 2013 New Revision: 248451 URL: http://svnweb.freebsd.org/changeset/base/248451 Log: Dump out information about the RX descriptor free list and FIFO information. Modified: head/sys/dev/ath/if_ath_sysctl.c Modified: head/sys/dev/ath/if_ath_sysctl.c ============================================================================== --- head/sys/dev/ath/if_ath_sysctl.c Mon Mar 18 01:11:52 2013 (r248450) +++ head/sys/dev/ath/if_ath_sysctl.c Mon Mar 18 01:12:36 2013 (r248451) @@ -397,6 +397,22 @@ ath_sysctl_txagg(SYSCTL_HANDLER_ARGS) printf("Total mgmt TX buffers: %d; Total mgmt TX buffers busy: %d\n", t, i); + ATH_RX_LOCK(sc); + for (i = 0; i < 2; i++) { + printf("%d: fifolen: %d; head=%d; tail=%d\n", + i, + sc->sc_rxedma[i].m_fifolen, + sc->sc_rxedma[i].m_fifo_head, + sc->sc_rxedma[i].m_fifo_tail); + } + i = 0; + TAILQ_FOREACH(bf, &sc->sc_rxbuf, bf_list) { + i++; + } + printf("Total RX buffers in free list: %d buffers\n", + i); + ATH_RX_UNLOCK(sc); + return 0; }
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