diff options
Diffstat (limited to 'src/spdk/test/app/histogram_perf')
| -rw-r--r-- | src/spdk/test/app/histogram_perf/.gitignore | 1 | ||||
| -rw-r--r-- | src/spdk/test/app/histogram_perf/Makefile | 55 | ||||
| -rw-r--r-- | src/spdk/test/app/histogram_perf/histogram_perf.c | 102 |
3 files changed, 158 insertions, 0 deletions
diff --git a/src/spdk/test/app/histogram_perf/.gitignore b/src/spdk/test/app/histogram_perf/.gitignore new file mode 100644 index 00000000..c77b0531 --- /dev/null +++ b/src/spdk/test/app/histogram_perf/.gitignore @@ -0,0 +1 @@ +histogram_perf diff --git a/src/spdk/test/app/histogram_perf/Makefile b/src/spdk/test/app/histogram_perf/Makefile new file mode 100644 index 00000000..7c6ecd89 --- /dev/null +++ b/src/spdk/test/app/histogram_perf/Makefile @@ -0,0 +1,55 @@ +# +# 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 = thread util log + +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 diff --git a/src/spdk/test/app/histogram_perf/histogram_perf.c b/src/spdk/test/app/histogram_perf/histogram_perf.c new file mode 100644 index 00000000..5d9de527 --- /dev/null +++ b/src/spdk/test/app/histogram_perf/histogram_perf.c @@ -0,0 +1,102 @@ +/*- + * 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); + if (spdk_env_init(&opts)) { + printf("Err: Unable to initialize SPDK env\n"); + return 1; + } + + 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; + h = spdk_histogram_data_alloc(); + + 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); + spdk_histogram_data_free(h); + + return rc; +} |