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Diffstat (limited to 'examples/vm_power_manager/main.c')
-rw-r--r-- | examples/vm_power_manager/main.c | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/examples/vm_power_manager/main.c b/examples/vm_power_manager/main.c new file mode 100644 index 00000000..97178d14 --- /dev/null +++ b/examples/vm_power_manager/main.c @@ -0,0 +1,115 @@ +/*- + * 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 <stdio.h> +#include <string.h> +#include <stdint.h> +#include <errno.h> +#include <sys/epoll.h> +#include <fcntl.h> +#include <unistd.h> +#include <stdlib.h> +#include <unistd.h> +#include <signal.h> +#include <errno.h> + +#include <sys/queue.h> + +#include <rte_common.h> +#include <rte_eal.h> +#include <rte_launch.h> +#include <rte_log.h> +#include <rte_per_lcore.h> +#include <rte_lcore.h> +#include <rte_debug.h> + +#include "channel_manager.h" +#include "channel_monitor.h" +#include "power_manager.h" +#include "vm_power_cli.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; +} |