From owner-svn-src-all@freebsd.org Tue Jul 10 03:03:11 2018 Return-Path: Delivered-To: svn-src-all@mailman.ysv.freebsd.org Received: from mx1.freebsd.org (mx1.freebsd.org [IPv6:2610:1c1:1:606c::19:1]) by mailman.ysv.freebsd.org (Postfix) with ESMTP id 534CF10352FC; Tue, 10 Jul 2018 03:03:11 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from mxrelay.nyi.freebsd.org (mxrelay.nyi.freebsd.org [IPv6:2610:1c1:1:606c::19:3]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (Client CN "mxrelay.nyi.freebsd.org", Issuer "Let's Encrypt Authority X3" (verified OK)) by mx1.freebsd.org (Postfix) with ESMTPS id 07D70793E5; Tue, 10 Jul 2018 03:03:11 +0000 (UTC) (envelope-from np@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 mxrelay.nyi.freebsd.org (Postfix) with ESMTPS id C30D11E198; Tue, 10 Jul 2018 03:03:10 +0000 (UTC) (envelope-from np@FreeBSD.org) Received: from repo.freebsd.org ([127.0.1.37]) by repo.freebsd.org (8.15.2/8.15.2) with ESMTP id w6A33Amo046381; Tue, 10 Jul 2018 03:03:10 GMT (envelope-from np@FreeBSD.org) Received: (from np@localhost) by repo.freebsd.org (8.15.2/8.15.2/Submit) id w6A33APc046380; Tue, 10 Jul 2018 03:03:10 GMT (envelope-from np@FreeBSD.org) Message-Id: <201807100303.w6A33APc046380@repo.freebsd.org> X-Authentication-Warning: repo.freebsd.org: np set sender to np@FreeBSD.org using -f From: Navdeep Parhar Date: Tue, 10 Jul 2018 03:03:10 +0000 (UTC) To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r336159 - head/sys/dev/cxgbe X-SVN-Group: head X-SVN-Commit-Author: np X-SVN-Commit-Paths: head/sys/dev/cxgbe X-SVN-Commit-Revision: 336159 X-SVN-Commit-Repository: base 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: 2.1.27 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: Tue, 10 Jul 2018 03:03:11 -0000 Author: np Date: Tue Jul 10 03:03:10 2018 New Revision: 336159 URL: https://svnweb.freebsd.org/changeset/base/336159 Log: cxgbe(4): Add a sysctl to report the chip's microprocessor's load averages. This works with debug or custom firmwares only. sysctl dev...loadavg sysctl dev.t6nex.0.loadavg MFC after: 1 month Sponsored by: Chelsio Communications Modified: head/sys/dev/cxgbe/t4_main.c Modified: head/sys/dev/cxgbe/t4_main.c ============================================================================== --- head/sys/dev/cxgbe/t4_main.c Tue Jul 10 02:46:31 2018 (r336158) +++ head/sys/dev/cxgbe/t4_main.c Tue Jul 10 03:03:10 2018 (r336159) @@ -559,6 +559,7 @@ static int sysctl_fec(SYSCTL_HANDLER_ARGS); static int sysctl_autoneg(SYSCTL_HANDLER_ARGS); static int sysctl_handle_t4_reg64(SYSCTL_HANDLER_ARGS); static int sysctl_temperature(SYSCTL_HANDLER_ARGS); +static int sysctl_loadavg(SYSCTL_HANDLER_ARGS); static int sysctl_cctrl(SYSCTL_HANDLER_ARGS); static int sysctl_cim_ibq_obq(SYSCTL_HANDLER_ARGS); static int sysctl_cim_la(SYSCTL_HANDLER_ARGS); @@ -5542,6 +5543,10 @@ t4_sysctls(struct adapter *sc) CTLFLAG_RD, sc, 0, sysctl_temperature, "I", "chip temperature (in Celsius)"); + SYSCTL_ADD_PROC(ctx, children, OID_AUTO, "loadavg", CTLTYPE_STRING | + CTLFLAG_RD, sc, 0, sysctl_loadavg, "A", + "microprocessor load averages (debug firmwares only)"); + SYSCTL_ADD_INT(ctx, children, OID_AUTO, "core_vdd", CTLFLAG_RD, &sc->params.core_vdd, 0, "core Vdd (in mV)"); @@ -6606,6 +6611,45 @@ sysctl_temperature(SYSCTL_HANDLER_ARGS) t = val == 0 ? -1 : val; rc = sysctl_handle_int(oidp, &t, 0, req); + return (rc); +} + +static int +sysctl_loadavg(SYSCTL_HANDLER_ARGS) +{ + struct adapter *sc = arg1; + struct sbuf *sb; + int rc; + uint32_t param, val; + + rc = begin_synchronized_op(sc, NULL, SLEEP_OK | INTR_OK, "t4lavg"); + if (rc) + return (rc); + param = V_FW_PARAMS_MNEM(FW_PARAMS_MNEM_DEV) | + V_FW_PARAMS_PARAM_X(FW_PARAMS_PARAM_DEV_LOAD); + rc = -t4_query_params(sc, sc->mbox, sc->pf, 0, 1, ¶m, &val); + end_synchronized_op(sc, 0); + if (rc) + return (rc); + + rc = sysctl_wire_old_buffer(req, 0); + if (rc != 0) + return (rc); + + sb = sbuf_new_for_sysctl(NULL, NULL, 4096, req); + if (sb == NULL) + return (ENOMEM); + + if (val == 0xffffffff) { + /* Only debug and custom firmwares report load averages. */ + sbuf_printf(sb, "not available"); + } else { + sbuf_printf(sb, "%d %d %d", val & 0xff, (val >> 8) & 0xff, + (val >> 16) & 0xff); + } + rc = sbuf_finish(sb); + sbuf_delete(sb); + return (rc); }