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authorAlan Carew <alan.carew@intel.com>2014-11-25 16:18:05 +0000
committerThomas Monjalon <thomas.monjalon@6wind.com>2014-11-26 17:27:03 +0100
commit8db653ff7889582327567b086eae438c61c3c499 (patch)
tree63addc84ca190f291445cab4b2290c42bb390b00 /examples/vm_power_manager
parentd26c18c93260242328f85927660d1cb2236ada60 (diff)
downloaddpdk-8db653ff7889582327567b086eae438c61c3c499.zip
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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 <alan.carew@intel.com> Signed-off-by: Pablo de Lara <pablo.de.lara.guarch@intel.com>
Diffstat (limited to 'examples/vm_power_manager')
-rw-r--r--examples/vm_power_manager/Makefile57
-rw-r--r--examples/vm_power_manager/main.c117
-rw-r--r--examples/vm_power_manager/main.h52
3 files changed, 226 insertions, 0 deletions
diff --git a/examples/vm_power_manager/Makefile b/examples/vm_power_manager/Makefile
new file mode 100644
index 0000000..b0a1037
--- /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 0000000..875274e
--- /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 <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 <rte_config.h>
+
+#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 0000000..7b4c3da
--- /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_ */