test: add util/histogram_perf test application (ea17499c) · Commits · Public Repositories / spdk

test/lib/Makefile

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		@@ -34,7 +34,7 @@
		SPDK_ROOT_DIR := $(abspath $(CURDIR)/../..)
		include $(SPDK_ROOT_DIR)/mk/spdk.common.mk

		DIRS-y = bdev blobfs env event json nvme
		DIRS-y = bdev blobfs env event json nvme util

		.PHONY: all clean $(DIRS-y)

test/lib/util/Makefile

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		#
		# 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.common.mk

		DIRS-y = histogram_perf

		.PHONY: all clean $(DIRS-y)

		all: $(DIRS-y)
		clean: $(DIRS-y)

		include $(SPDK_ROOT_DIR)/mk/spdk.subdirs.mk

test/lib/util/histogram_perf/.gitignore

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		histogram_perf

test/lib/util/histogram_perf/Makefile

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		#
		# 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.common.mk
		include $(SPDK_ROOT_DIR)/mk/spdk.app.mk

		APP = histogram_perf

		C_SRCS = histogram_perf.c

		SPDK_LIB_LIST = util

		LIBS += $(SPDK_LIB_LINKER_ARGS) $(ENV_LINKER_ARGS)

		all: $(APP)

		$(APP): $(OBJS) $(SPDK_LIB_FILES)
		$(LINK_C)

		clean:
		$(CLEAN_C) $(APP)

		include $(SPDK_ROOT_DIR)/mk/spdk.deps.mk

test/lib/util/histogram_perf/histogram_perf.c

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		/*-
		* 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 "spdk/stdinc.h"

		#include "spdk/env.h"
		#include "spdk/util.h"
		#include "spdk/histogram_data.h"

		/*
		* This applications is a simple test app used to test the performance of
		* tallying datapoints with struct spdk_histogram_data. It can be used
		* to measure the effect of changes to the spdk_histogram_data implementation.
		*
		* There are no command line parameters currently - it just tallies
		* datapoints for 10 seconds in a default-sized histogram structure and
		* then prints out the number of tallies performed.
		*/

		static void
		usage(const char *prog)
		{
		printf("usage: %s\n", prog);
		printf("Options:\n");
		}

		int
		main(int argc, char **argv)
		{
		struct spdk_histogram_data h;
		struct spdk_env_opts opts;
		uint64_t tsc[128], t, end_tsc, count;
		uint32_t i;
		int ch;
		int rc = 0;

		while ((ch = getopt(argc, argv, "")) != -1) {
		switch (ch) {
		default:
		usage(argv[0]);
		return 1;
		}
		}

		spdk_env_opts_init(&opts);
		spdk_env_init(&opts);

		for (i = 0; i < SPDK_COUNTOF(tsc); i++) {
		tsc[i] = spdk_get_ticks();
		}

		end_tsc = spdk_get_ticks() + (10 * spdk_get_ticks_hz());
		count = 0;
		spdk_histogram_data_reset(&h);

		while (true) {
		t = spdk_get_ticks();
		spdk_histogram_data_tally(&h, t - tsc[count % 128]);
		count++;
		if (t > end_tsc) {
		break;
		}
		}

		printf("count = %ju\n", count);
		return rc;
		}