event: add a reactor benchmark tool

Change-Id: I57c7ed3475b19ffb8d00354eabb23ba86294164b
Signed-off-by: Daniel Verkamp <daniel.verkamp@intel.com>
Signed-off-by: Ben Walker <benjamin.walker@intel.com>

test/lib/event/Makefile

@@ -34,7 +34,7 @@
 SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../..)
 include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
 
-DIRS-y = event_perf reactor subsystem
+DIRS-y = event_perf reactor reactor_perf subsystem
 
 .PHONY: all clean $(DIRS-y)
 

test/lib/event/event.sh

@@ -7,5 +7,6 @@ source $rootdir/scripts/autotest_common.sh
 timing_enter event
 $testdir/event_perf/event_perf -m 0xF -t 5
 $testdir/reactor/reactor -t 1
+$testdir/reactor_perf/reactor_perf -t 5
 $testdir/subsystem/subsystem_ut
 timing_exit event

test/lib/event/reactor_perf/.gitignore

@@ -0,0 +1 @@
+reactor_perf

test/lib/event/reactor_perf/Makefile

@@ -0,0 +1,54 @@
+#
+#  BSD LICENSE
+#
+#  Copyright (c) Intel Corporation.
+#  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.
+#
+
+SPDK_ROOT_DIR := $(abspath $(CURDIR)/../../../..)
+include $(SPDK_ROOT_DIR)/mk/spdk.app.mk
+include $(SPDK_ROOT_DIR)/mk/spdk.common.mk
+
+CFLAGS += $(ENV_CFLAGS)
+APP = reactor_perf
+C_SRCS := reactor_perf.c
+
+SPDK_LIB_LIST = event trace conf util log
+
+LIBS += $(SPDK_LIB_LINKER_ARGS) $(ENV_LINKER_ARGS)
+
+all : $(APP)
+
+$(APP) : $(OBJS) $(SPDK_LIB_FILES) $(ENV_LIBS)
+	$(LINK_C)
+
+clean :
+	$(CLEAN_C) $(APP)
+
+include $(SPDK_ROOT_DIR)/mk/spdk.deps.mk

test/lib/event/reactor_perf/reactor_perf.c

@@ -0,0 +1,148 @@
+/*-
+ *   BSD LICENSE
+ *
+ *   Copyright (c) Intel Corporation.
+ *   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 <inttypes.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+
+#include "spdk/event.h"
+
+static int g_time_in_sec;
+static int g_queue_depth;
+static struct spdk_poller *test_end_poller;
+static uint64_t g_call_count = 0;
+
+static void
+__test_end(void *arg)
+{
+	printf("test_end\n");
+	spdk_app_stop(0);
+}
+
+static void
+__submit_next(void *arg1, void *arg2)
+{
+	struct spdk_event *event;
+
+	g_call_count++;
+
+	event = spdk_event_allocate(spdk_app_get_current_core(),
+				    __submit_next, NULL, NULL);
+	spdk_event_call(event);
+}
+
+static void
+test_start(void *arg1, void *arg2)
+{
+	int i;
+
+	printf("test_start\n");
+
+	/* Register a poller that will stop the test after the time has elapsed. */
+	spdk_poller_register(&test_end_poller, __test_end, NULL,
+			     spdk_app_get_current_core(),
+			     g_time_in_sec * 1000000ULL);
+
+	for (i = 0; i < g_queue_depth; i++) {
+		__submit_next(NULL, NULL);
+	}
+}
+
+static void
+test_cleanup(void)
+{
+	printf("test_abort\n");
+
+	spdk_poller_unregister(&test_end_poller, NULL);
+	spdk_app_stop(0);
+}
+
+static void
+usage(const char *program_name)
+{
+	printf("%s options\n", program_name);
+	printf("\t[-d Allowed delay when passing messages between cores in microseconds]\n");
+	printf("\t[-q Queue depth (default: 1)]\n");
+	printf("\t[-t time in seconds]\n");
+}
+
+int
+main(int argc, char **argv)
+{
+	struct spdk_app_opts opts;
+	int op;
+
+	spdk_app_opts_init(&opts);
+	opts.name = "reactor_perf";
+	opts.max_delay_us = 1000;
+
+	g_time_in_sec = 0;
+	g_queue_depth = 1;
+
+	while ((op = getopt(argc, argv, "d:q:t:")) != -1) {
+		switch (op) {
+		case 'd':
+			opts.max_delay_us = atoi(optarg);
+			break;
+		case 'q':
+			g_queue_depth = atoi(optarg);
+			break;
+		case 't':
+			g_time_in_sec = atoi(optarg);
+			break;
+		default:
+			usage(argv[0]);
+			exit(1);
+		}
+	}
+
+	if (!g_time_in_sec) {
+		usage(argv[0]);
+		exit(1);
+	}
+
+	optind = 1;
+
+	opts.shutdown_cb = test_cleanup;
+
+	spdk_app_init(&opts);
+
+	spdk_app_start(test_start, NULL, NULL);
+
+	spdk_app_fini();
+
+	printf("Performance: %8ju events per second\n", g_call_count / g_time_in_sec);
+
+	return 0;
+}