mirror of
https://github.com/apache/nuttx-apps.git
synced 2026-08-01 20:29:00 +00:00
benchmarks: support test-tlb
This commit added support for test-tlb, a memory latency micro-benchmark. Signed-off-by: ouyangxiangzhen <ouyangxiangzhen@xiaomi.com>
This commit is contained in:
ouyangxiangzhen
Xiang Xiao
parent
ddabb6e0ef
commit
0edb210561
5 changed files with 301 additions and 0 deletions
139
benchmarks/test-tlb/0001-test-tlb-port-for-NuttX.patch
Normal file
139
benchmarks/test-tlb/0001-test-tlb-port-for-NuttX.patch
Normal file
|
|
@ -0,0 +1,139 @@
|
|||
From fe4108f726a0e30d429f031a6006f030c5eda113 Mon Sep 17 00:00:00 2001
|
||||
From: ouyangxiangzhen <ouyangxiangzhen@xiaomi.com>
|
||||
Date: Thu, 6 Jun 2024 19:53:37 +0800
|
||||
Subject: [PATCH] test-tlb: port for NuttX
|
||||
|
||||
VELAPLATFO-25227
|
||||
|
||||
This commit ports the test-tlb test program to the NuttX. Additionally, it implements dynamic CPU frequency calculation.
|
||||
|
||||
Change-Id: If1c15f36742d7ee5a7d13147b41b3372047dad08
|
||||
Signed-off-by: ouyangxiangzhen <ouyangxiangzhen@xiaomi.com>
|
||||
---
|
||||
test-tlb.c | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++----
|
||||
1 file changed, 63 insertions(+), 5 deletions(-)
|
||||
|
||||
diff --git a/test-tlb.c b/test-tlb.c
|
||||
index 5c8aaa5..767794a 100644
|
||||
--- a/test-tlb.c
|
||||
+++ b/test-tlb.c
|
||||
@@ -14,13 +14,58 @@
|
||||
#include <math.h>
|
||||
#include <time.h>
|
||||
|
||||
-#define PAGE_SIZE 4096
|
||||
-
|
||||
-#define FREQ 3.9
|
||||
|
||||
static int test_hugepage = 0;
|
||||
static int random_list = 0;
|
||||
|
||||
+/* Fix definition conflict */
|
||||
+#ifndef PAGE_SIZE
|
||||
+#define PAGE_SIZE 4096
|
||||
+#endif
|
||||
+
|
||||
+/* dynamic calculate freq */
|
||||
+#define MEASURE_GAP 500000
|
||||
+
|
||||
+#ifdef __x86_64__
|
||||
+static inline unsigned long rdcnt_relax(void)
|
||||
+{
|
||||
+ unsigned int lo,hi;
|
||||
+ asm volatile ("rdtsc" : "=a" (lo), "=d" (hi));
|
||||
+ return ((unsigned long)hi << 32) | (unsigned long)lo;
|
||||
+}
|
||||
+#elif defined(__aarch64__)
|
||||
+static inline unsigned long rdcnt_relax(void)
|
||||
+{
|
||||
+ unsigned long time;
|
||||
+ asm volatile("mrs %0, cntvct_el0" : "=r"(time));
|
||||
+ return time;
|
||||
+}
|
||||
+#else
|
||||
+#error "Unsupported architecture for dynamic frequencies measuring"
|
||||
+#endif
|
||||
+
|
||||
+static inline unsigned long rdcnt(void)
|
||||
+{
|
||||
+ return rdcnt_relax();
|
||||
+}
|
||||
+
|
||||
+static unsigned long measure_freq(void)
|
||||
+{
|
||||
+ unsigned long cycles_per_useconds;
|
||||
+ unsigned long start;
|
||||
+ unsigned long end;
|
||||
+
|
||||
+ start = rdcnt();
|
||||
+ usleep(MEASURE_GAP);
|
||||
+ end = rdcnt();
|
||||
+
|
||||
+ cycles_per_useconds = (end - start) / MEASURE_GAP;
|
||||
+
|
||||
+ printf("cycles_per_microseconds: %lu\n", cycles_per_useconds);
|
||||
+
|
||||
+ return cycles_per_useconds;
|
||||
+}
|
||||
+
|
||||
static void die(const char *fmt, ...)
|
||||
{
|
||||
va_list argp;
|
||||
@@ -69,7 +114,7 @@ static unsigned long warmup(void *map)
|
||||
|
||||
static double do_test(void *map)
|
||||
{
|
||||
- unsigned long count = 0, offset = 0, usec;
|
||||
+ unsigned long volatile count = 0, offset = 0, usec;
|
||||
struct timeval start, end;
|
||||
struct itimerval itval = {
|
||||
.it_interval = { 0, 0 },
|
||||
@@ -190,7 +235,14 @@ static void *create_map(void *map, unsigned long size, unsigned long stride)
|
||||
if (map) {
|
||||
if (test_hugepage)
|
||||
return map;
|
||||
+
|
||||
+#ifdef __NuttX__
|
||||
+ if (munmap(map, size) != 0)
|
||||
+ die("munmap failed\n");
|
||||
+ map = NULL;
|
||||
+#else
|
||||
flags |= MAP_FIXED;
|
||||
+#endif
|
||||
}
|
||||
|
||||
mapsize = size;
|
||||
@@ -237,9 +289,14 @@ int main(int argc, char **argv)
|
||||
const char *arg;
|
||||
void *map;
|
||||
double cycles;
|
||||
+ unsigned long freq;
|
||||
|
||||
srandom(time(NULL));
|
||||
|
||||
+ /* Fix segmentation fault when execution without any arguments in NuttX */
|
||||
+ if (argc < 3)
|
||||
+ die("bad arguments: test-tlb [-H] <size> <stride>");
|
||||
+
|
||||
while ((arg = argv[1]) != NULL) {
|
||||
if (*arg != '-')
|
||||
break;
|
||||
@@ -261,6 +318,7 @@ int main(int argc, char **argv)
|
||||
argv++;
|
||||
}
|
||||
|
||||
+ freq = measure_freq();
|
||||
size = get_num(argv[1]);
|
||||
stride = get_num(argv[2]);
|
||||
if (stride < 4 || size < stride)
|
||||
@@ -281,6 +339,6 @@ int main(int argc, char **argv)
|
||||
}
|
||||
|
||||
printf("%6.2fns (~%.1f cycles)\n",
|
||||
- cycles, cycles*FREQ);
|
||||
+ cycles, cycles * freq);
|
||||
return 0;
|
||||
}
|
||||
--
|
||||
2.34.1
|
||||
|
||||
56
benchmarks/test-tlb/CMakeLists.txt
Normal file
56
benchmarks/test-tlb/CMakeLists.txt
Normal file
|
|
@ -0,0 +1,56 @@
|
|||
#
|
||||
# Copyright (C) 2024 Xiaomi Corporation
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License"); you may not
|
||||
# use this file except in compliance with the License. You may obtain a copy of
|
||||
# the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
|
||||
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
|
||||
# License for the specific language governing permissions and limitations under
|
||||
# the License.
|
||||
#
|
||||
|
||||
if(CONFIG_BENCHMARK_TESTTLB)
|
||||
|
||||
set(SRCS test-tlb/test-tlb.c)
|
||||
|
||||
set(TESTTLB_UNPACK ${CMAKE_CURRENT_LIST_DIR}/test-tlb)
|
||||
set(TESTTLB_URL https://github.com/torvalds/test-tlb/archive)
|
||||
set(TESTTLB_ZIP master.zip)
|
||||
|
||||
if(NOT EXISTS ${TESTTLB_UNPACK})
|
||||
|
||||
FetchContent_Declare(
|
||||
testtlb_fetch
|
||||
URL ${TESTTLB_URL}/${TESTTLB_ZIP} SOURCE_DIR ${TESTTLB_UNPACK} BINARY_DIR
|
||||
${CMAKE_BINARY_DIR}/apps/benchmarks/test-tlb/test-tlb
|
||||
PATCH_COMMAND patch -p0 -d ${CMAKE_CURRENT_LIST_DIR} <
|
||||
${CMAKE_CURRENT_LIST_DIR}/0001-test-tlb-port-for-NuttX.patch
|
||||
DOWNLOAD_NO_PROGRESS true
|
||||
TIMEOUT 30)
|
||||
|
||||
FetchContent_GetProperties(testtlb_fetch)
|
||||
if(NOT testtlb_fetch_POPULATED)
|
||||
FetchContent_Populate(testtlb_fetch)
|
||||
endif()
|
||||
|
||||
endif()
|
||||
|
||||
nuttx_add_application(
|
||||
NAME
|
||||
testtlb
|
||||
PRIORITY
|
||||
${CONFIG_BENCHMARK_TESTTLB_PRIORITY}
|
||||
STACKSIZE
|
||||
${CONFIG_BENCHMARK_TESTTLB_STACKSIZE}
|
||||
MODULE
|
||||
${CONFIG_BENCHMARK_TESTTLB}
|
||||
COMPILE_FLAGS
|
||||
${CFLAGS}
|
||||
SRCS
|
||||
${SRCS})
|
||||
endif()
|
||||
34
benchmarks/test-tlb/Kconfig
Normal file
34
benchmarks/test-tlb/Kconfig
Normal file
|
|
@ -0,0 +1,34 @@
|
|||
#
|
||||
# Copyright (C) 2024 Xiaomi Corporation
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
config BENCHMARK_TESTTLB
|
||||
tristate "Memory Latency profiling"
|
||||
depends on ALLOW_GPL_COMPONENTS
|
||||
default n
|
||||
---help---
|
||||
Measure the memory latency
|
||||
|
||||
if BENCHMARK_TESTTLB
|
||||
|
||||
config BENCHMARK_TESTTLB_PRIORITY
|
||||
int "TestTLB task priority"
|
||||
default 100
|
||||
|
||||
config BENCHMARK_TESTTLB_STACKSIZE
|
||||
int "TestTLB stack size"
|
||||
default DEFAULT_TASK_STACKSIZE
|
||||
|
||||
endif
|
||||
19
benchmarks/test-tlb/Make.defs
Normal file
19
benchmarks/test-tlb/Make.defs
Normal file
|
|
@ -0,0 +1,19 @@
|
|||
#
|
||||
# Copyright (C) 2024 Xiaomi Corporation
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
ifneq ($(CONFIG_BENCHMARK_TESTTLB),)
|
||||
CONFIGURED_APPS += $(APPDIR)/benchmarks/test-tlb
|
||||
endif
|
||||
53
benchmarks/test-tlb/Makefile
Normal file
53
benchmarks/test-tlb/Makefile
Normal file
|
|
@ -0,0 +1,53 @@
|
|||
#
|
||||
# Copyright (C) 2024 Xiaomi Corporation
|
||||
#
|
||||
# Licensed under the Apache License, Version 2.0 (the "License");
|
||||
# you may not use this file except in compliance with the License.
|
||||
# You may obtain a copy of the License at
|
||||
#
|
||||
# http://www.apache.org/licenses/LICENSE-2.0
|
||||
#
|
||||
# Unless required by applicable law or agreed to in writing, software
|
||||
# distributed under the License is distributed on an "AS IS" BASIS,
|
||||
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
# See the License for the specific language governing permissions and
|
||||
# limitations under the License.
|
||||
#
|
||||
|
||||
include $(APPDIR)/Make.defs
|
||||
|
||||
PROGNAME = testtlb
|
||||
PRIORITY = $(CONFIG_BENCHMARK_TESTTLB_PRIORITY)
|
||||
STACKSIZE = $(CONFIG_BENCHMARK_TESTTLB_STACKSIZE)
|
||||
MODULE = $(CONFIG_BENCHMARK_TESTTLB)
|
||||
|
||||
TESTTLB_UNPACK = test-tlb
|
||||
TESTTLB_GIT = github.com/torvalds/test-tlb
|
||||
TESTTLB_URL = https://github.com/torvalds/test-tlb/archive
|
||||
TESTTLB_VERSION = master
|
||||
TESTTLB_ZIP = $(TESTTLB_UNPACK)-$(TESTTLB_VERSION).zip
|
||||
UNPACK ?= unzip -q -o
|
||||
|
||||
$(TESTTLB_ZIP):
|
||||
@echo "Downloading: $(TESTTLB_URL)"
|
||||
$(Q) curl -L $(TESTTLB_URL)/$(TESTTLB_VERSION).zip -o $(TESTTLB_UNPACK)-$(TESTTLB_VERSION).zip
|
||||
|
||||
$(TESTTLB_UNPACK): $(TESTTLB_ZIP)
|
||||
@echo "Unpacking: $(TESTTLB_ZIP) -> $(TESTTLB_UNPACK)"
|
||||
$(Q) $(UNPACK) $(TESTTLB_ZIP)
|
||||
$(Q) mv test-tlb-$(TESTTLB_VERSION) $(TESTTLB_UNPACK)
|
||||
$(Q) touch $(TESTTLB_UNPACK)
|
||||
@echo "Patching: Applying patch"
|
||||
$(Q) cd test-tlb && patch -p1 < ../0001-test-tlb-port-for-NuttX.patch
|
||||
|
||||
ifeq ($(wildcard $(TESTTLB_UNPACK)/.git),)
|
||||
context:: $(TESTTLB_UNPACK)
|
||||
|
||||
distclean::
|
||||
$(call DELDIR, $(TESTTLB_UNPACK))
|
||||
$(call DELFILE, $(TESTTLB_ZIP))
|
||||
endif
|
||||
|
||||
MAINSRC = test-tlb/test-tlb.c
|
||||
|
||||
include $(APPDIR)/Application.mk
|
||||
Loading…
Add table
Add a link
Reference in a new issue