Diff: mbed-os/tools/size.py

Revision:

0:02dd72d1d465

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/mbed-os/tools/size.py	Tue Apr 24 11:45:18 2018 +0000
@@ -0,0 +1,121 @@
+"""
+mbed SDK
+Copyright (c) 2011-2013 ARM Limited
+
+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.
+"""
+import sys
+from os.path import join, abspath, dirname, exists, splitext
+from subprocess import Popen, PIPE
+import csv
+from collections import defaultdict
+
+ROOT = abspath(join(dirname(__file__), ".."))
+sys.path.insert(0, ROOT)
+
+from tools.paths import BUILD_DIR, TOOLS_DATA
+from tools.settings import GCC_ARM_PATH
+from tools.tests import TEST_MAP
+from tools.build_api import build_mbed_libs, build_project
+
+SIZE = join(GCC_ARM_PATH, 'arm-none-eabi-size')
+
+def get_size(path):
+    out = Popen([SIZE, path], stdout=PIPE).communicate()[0]
+    return map(int, out.splitlines()[1].split()[:4])
+
+def get_percentage(before, after):
+    if before == 0:
+        return 0 if after == 0 else 100.0
+    return float(after - before) / float(before) * 100.0
+
+def human_size(val):
+    if val>1024:
+        return "%.0fKb" % (float(val)/1024.0)
+    return "%d" % val
+
+def print_diff(name, before, after):
+    print "%s: (%s -> %s) %.2f%%" % (name, human_size(before) , human_size(after) , get_percentage(before , after))
+
+BENCHMARKS = [
+    ("BENCHMARK_1", "CENV"),
+    ("BENCHMARK_2", "PRINTF"),
+    ("BENCHMARK_3", "FP"),
+    ("BENCHMARK_4", "MBED"),
+    ("BENCHMARK_5", "ALL"),
+]
+BENCHMARK_DATA_PATH = join(TOOLS_DATA, 'benchmarks.csv')
+
+
+def benchmarks():
+    # CSV Data
+    csv_data = csv.writer(open(BENCHMARK_DATA_PATH, 'wb'))
+    csv_data.writerow(['Toolchain', "Target", "Benchmark", "code", "data", "bss", "flash"])
+
+    # Build
+    for toolchain in ['ARM', 'uARM', 'GCC_CR', 'GCC_ARM']:
+        for mcu in ["LPC1768", "LPC11U24"]:
+            # Build Libraries
+            build_mbed_libs(mcu, toolchain)
+
+            # Build benchmarks
+            build_dir = join(BUILD_DIR, "benchmarks", mcu, toolchain)
+            for test_id, title in BENCHMARKS:
+                # Build Benchmark
+                try:
+                    test = TEST_MAP[test_id]
+                    path = build_project(test.source_dir, join(build_dir, test_id),
+                                 mcu, toolchain, test.dependencies)
+                    base, ext = splitext(path)
+                    # Check Size
+                    code, data, bss, flash = get_size(base+'.elf')
+                    csv_data.writerow([toolchain, mcu, title, code, data, bss, flash])
+                except Exception, e:
+                    print "Unable to build %s for toolchain %s targeting %s" % (test_id, toolchain, mcu)
+                    print e
+
+
+def compare(t1, t2, target):
+    if not exists(BENCHMARK_DATA_PATH):
+        benchmarks()
+    else:
+        print "Loading: %s" % BENCHMARK_DATA_PATH
+
+    data = csv.reader(open(BENCHMARK_DATA_PATH, 'rb'))
+
+    benchmarks_data = defaultdict(dict)
+    for (toolchain, mcu, name, code, data, bss, flash) in data:
+        if target == mcu:
+            for t in [t1, t2]:
+                if toolchain == t:
+                    benchmarks_data[name][t] = map(int, (code, data, bss, flash))
+
+    print "%s vs %s for %s" % (t1, t2, target)
+    for name, data in benchmarks_data.items():
+        try:
+            # Check Size
+            code_a, data_a, bss_a, flash_a = data[t1]
+            code_u, data_u, bss_u, flash_u = data[t2]
+
+            print "\n=== %s ===" % name
+            print_diff("code", code_a , code_u)
+            print_diff("data", data_a , data_u)
+            print_diff("bss", bss_a , bss_u)
+            print_diff("flash", flash_a , flash_u)
+        except Exception, e:
+            print "No data for benchmark %s" % (name)
+            print e
+
+
+if __name__ == '__main__':
+    compare("GCC_CR", "LPC1768")