From 8db653ff7889582327567b086eae438c61c3c499 Mon Sep 17 00:00:00 2001 From: Alan Carew Date: Tue, 25 Nov 2014 16:18:05 +0000 Subject: [PATCH] examples/vm_power: vm power management application For launching CLI thread and Monitor thread and initialising resources. Requires a minimum of two lcores to run, additional cores specified by eal core mask are not used. Signed-off-by: Alan Carew Signed-off-by: Pablo de Lara --- examples/Makefile | 3 +- examples/vm_power_manager/Makefile | 57 ++++++++++++++ examples/vm_power_manager/main.c | 117 +++++++++++++++++++++++++++++ examples/vm_power_manager/main.h | 52 +++++++++++++ 4 files changed, 228 insertions(+), 1 deletion(-) create mode 100644 examples/vm_power_manager/Makefile create mode 100644 examples/vm_power_manager/main.c create mode 100644 examples/vm_power_manager/main.h diff --git a/examples/Makefile b/examples/Makefile index 8055297dbf..81f1d2f565 100644 --- a/examples/Makefile +++ b/examples/Makefile @@ -38,6 +38,7 @@ RTE_TARGET ?= x86_64-native-linuxapp-gcc include $(RTE_SDK)/mk/rte.vars.mk DIRS-y += cmdline +DIRS-$(CONFIG_RTE_LIBRTE_DISTRIBUTOR) += distributor ifneq ($(ICP_ROOT),) DIRS-y += dpdk_qat endif @@ -67,6 +68,6 @@ DIRS-$(CONFIG_RTE_LIBRTE_VHOST) += vhost DIRS-$(CONFIG_RTE_LIBRTE_XEN_DOM0) += vhost_xen DIRS-y += vmdq DIRS-y += vmdq_dcb -DIRS-$(CONFIG_RTE_LIBRTE_DISTRIBUTOR) += distributor +DIRS-y += vm_power_manager include $(RTE_SDK)/mk/rte.extsubdir.mk diff --git a/examples/vm_power_manager/Makefile b/examples/vm_power_manager/Makefile new file mode 100644 index 0000000000..b0a103733e --- /dev/null +++ b/examples/vm_power_manager/Makefile @@ -0,0 +1,57 @@ +# BSD LICENSE +# +# Copyright(c) 2010-2014 Intel Corporation. All rights reserved. +# All rights reserved. +# +# Redistribution and use in source and binary forms, with or without +# modification, are permitted provided that the following conditions +# are met: +# +# * Redistributions of source code must retain the above copyright +# notice, this list of conditions and the following disclaimer. +# * Redistributions in binary form must reproduce the above copyright +# notice, this list of conditions and the following disclaimer in +# the documentation and/or other materials provided with the +# distribution. +# * Neither the name of Intel Corporation nor the names of its +# contributors may be used to endorse or promote products derived +# from this software without specific prior written permission. +# +# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR +# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT +# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, +# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT +# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, +# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY +# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE +# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + +ifeq ($(RTE_SDK),) +$(error "Please define RTE_SDK environment variable") +endif + +# Default target, can be overridden by command line or environment +RTE_TARGET ?= x86_64-native-linuxapp-gcc + +include $(RTE_SDK)/mk/rte.vars.mk + +# binary name +APP = vm_power_mgr + +# all source are stored in SRCS-y +SRCS-y := main.c vm_power_cli.c power_manager.c channel_manager.c +SRCS-y += channel_monitor.c + +CFLAGS += -O3 -lvirt -I$(RTE_SDK)/lib/librte_power/ +CFLAGS += $(WERROR_FLAGS) + +# workaround for a gcc bug with noreturn attribute +# http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12603 +ifeq ($(CONFIG_RTE_TOOLCHAIN_GCC),y) +CFLAGS_main.o += -Wno-return-type +endif + +include $(RTE_SDK)/mk/rte.extapp.mk diff --git a/examples/vm_power_manager/main.c b/examples/vm_power_manager/main.c new file mode 100644 index 0000000000..875274ee39 --- /dev/null +++ b/examples/vm_power_manager/main.c @@ -0,0 +1,117 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include "channel_manager.h" +#include "channel_monitor.h" +#include "power_manager.h" +#include "vm_power_cli.h" +#include "main.h" + +static int +run_monitor(__attribute__((unused)) void *arg) +{ + if (channel_monitor_init() < 0) { + printf("Unable to initialize channel monitor\n"); + return -1; + } + run_channel_monitor(); + return 0; +} + +static void +sig_handler(int signo) +{ + printf("Received signal %d, exiting...\n", signo); + channel_monitor_exit(); + channel_manager_exit(); + power_manager_exit(); + +} + +int +MAIN(int argc, char **argv) +{ + int ret; + unsigned lcore_id; + + ret = rte_eal_init(argc, argv); + if (ret < 0) + rte_panic("Cannot init EAL\n"); + + signal(SIGINT, sig_handler); + signal(SIGTERM, sig_handler); + + lcore_id = rte_get_next_lcore(-1, 1, 0); + if (lcore_id == RTE_MAX_LCORE) { + RTE_LOG(ERR, EAL, "A minimum of two cores are required to run " + "application\n"); + return 0; + } + rte_eal_remote_launch(run_monitor, NULL, lcore_id); + + if (power_manager_init() < 0) { + printf("Unable to initialize power manager\n"); + return -1; + } + if (channel_manager_init(CHANNEL_MGR_DEFAULT_HV_PATH) < 0) { + printf("Unable to initialize channel manager\n"); + return -1; + } + run_cli(NULL); + + rte_eal_mp_wait_lcore(); + return 0; +} diff --git a/examples/vm_power_manager/main.h b/examples/vm_power_manager/main.h new file mode 100644 index 0000000000..7b4c3da0bd --- /dev/null +++ b/examples/vm_power_manager/main.h @@ -0,0 +1,52 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _MAIN_H_ +#define _MAIN_H_ + +#ifdef RTE_EXEC_ENV_BAREMETAL +#define MAIN _main +#else +#define MAIN main +#endif + +int MAIN(int argc, char **argv); + +#endif /* _MAIN_H_ */ + +#ifndef MAIN_H_ +#define MAIN_H_ + + + +#endif /* MAIN_H_ */ -- 2.20.1