From owner-svn-src-all@freebsd.org Wed Apr 27 06:49:18 2016 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2001:1900:2254:206a::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 302B3B1E5D9; Wed, 27 Apr 2016 06:49:18 +0000 (UTC) (envelope-from sephe@FreeBSD.org) Received: from repo.freebsd.org (repo.freebsd.org [IPv6:2610:1c1:1:6068::e6a:0]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client did not present a certificate) by mx1.freebsd.org (Postfix) with ESMTPS id D9EC31190; Wed, 27 Apr 2016 06:49:17 +0000 (UTC) (envelope-from sephe@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id u3R6nHKD024681; Wed, 27 Apr 2016 06:49:17 GMT (envelope-from sephe@FreeBSD.org) Received: (from sephe@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id u3R6nGt6024679; Wed, 27 Apr 2016 06:49:16 GMT (envelope-from sephe@FreeBSD.org) Message-Id: <201604270649.u3R6nGt6024679@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: sephe set sender to sephe@FreeBSD.org using -f From: Sepherosa Ziehau Date: Wed, 27 Apr 2016 06:49:16 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r298694 - head/sys/dev/hyperv/netvsc X-SVN-Group: head MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit X-BeenThere: svn-src-all@freebsd.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: "SVN commit messages for the entire src tree \(except for " user" and " projects" \)" List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , X-List-Received-Date: Wed, 27 Apr 2016 06:49:18 -0000 Author: sephe Date: Wed Apr 27 06:49:16 2016 New Revision: 298694 URL: https://svnweb.freebsd.org/changeset/base/298694 Log: hyperv/hn: Add stat for # of chimney sending tries MFC after: 1 week Sponsored by: Microsoft OSTC Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Modified: head/sys/dev/hyperv/netvsc/hv_net_vsc.h ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_net_vsc.h Wed Apr 27 05:45:14 2016 (r298693) +++ head/sys/dev/hyperv/netvsc/hv_net_vsc.h Wed Apr 27 06:49:16 2016 (r298694) @@ -1211,6 +1211,7 @@ struct hn_tx_ring { u_long hn_send_failed; u_long hn_txdma_failed; u_long hn_tx_collapsed; + u_long hn_tx_chimney_tried; u_long hn_tx_chimney; u_long hn_pkts; Modified: head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c ============================================================================== --- head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Wed Apr 27 05:45:14 2016 (r298693) +++ head/sys/dev/hyperv/netvsc/hv_netvsc_drv_freebsd.c Wed Apr 27 06:49:16 2016 (r298694) @@ -1004,6 +1004,7 @@ hn_encap(struct hn_tx_ring *txr, struct netvsc_dev *net_dev = txr->hn_sc->net_dev; uint32_t send_buf_section_idx; + txr->hn_tx_chimney_tried++; send_buf_section_idx = hv_nv_get_next_send_section(net_dev); if (send_buf_section_idx != @@ -2595,6 +2596,10 @@ hn_create_tx_data(struct hn_softc *sc, i CTLTYPE_ULONG | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, __offsetof(struct hn_tx_ring, hn_tx_chimney), hn_tx_stat_ulong_sysctl, "LU", "# of chimney send"); + SYSCTL_ADD_PROC(ctx, child, OID_AUTO, "tx_chimney_tried", + CTLTYPE_ULONG | CTLFLAG_RW | CTLFLAG_MPSAFE, sc, + __offsetof(struct hn_tx_ring, hn_tx_chimney_tried), + hn_tx_stat_ulong_sysctl, "LU", "# of chimney send tries"); SYSCTL_ADD_INT(ctx, child, OID_AUTO, "txdesc_cnt", CTLFLAG_RD, &sc->hn_tx_ring[0].hn_txdesc_cnt, 0, "# of total TX descs");