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memanalyzer.py
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memanalyzer.py
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#!/usr/bin/env python
########################################################
#
# ESPEasy plugin memory analyser
#
###
# Based on:
# https://raw.githubusercontent.com/SmingHub/Sming/develop/tools/memanalyzer.py
# Memory Analyzer
# Author: Slavey Karadzhov <[email protected]>
# Based on https://github.com/Sermus/ESP8266_memory_analyzer
#
########################################################
from collections import OrderedDict
import os.path
import shlex
import subprocess
import sys
import glob
import os
TOTAL_IRAM = 32786;
TOTAL_DRAM = 81920;
env="spec_memanalyze_ESP8266"
sections = OrderedDict([
("data", "Initialized Data (RAM)"),
("rodata", "ReadOnly Data (RAM)"),
("bss", "Uninitialized Data (RAM)"),
("text", "Cached Code (IRAM)"),
("irom0_text", "Uncached Code (SPI)")
])
def abort(txt):
raise(Exception("error: "+txt))
def analyse_memory(elfFile):
command = "%s -t '%s' " % (objectDumpBin, elfFile)
response = subprocess.check_output(shlex.split(command))
if isinstance(response, bytes):
response = response.decode('utf-8')
lines = response.split('\n')
# print("{0: >10}|{1: >30}|{2: >12}|{3: >12}|{4: >8}".format("Section", "Description", "Start (hex)", "End (hex)", "Used space"));
# print("------------------------------------------------------------------------------");
ret={}
usedRAM = 0
usedIRAM = 0
i = 0
for (id, descr) in list(sections.items()):
sectionStartToken = " _%s_start" % id
sectionEndToken = " _%s_end" % id
sectionStart = -1
sectionEnd = -1
for line in lines:
if sectionStartToken in line:
data = line.split(' ')
sectionStart = int(data[0], 16)
if sectionEndToken in line:
data = line.split(' ')
sectionEnd = int(data[0], 16)
if sectionStart != -1 and sectionEnd != -1:
break
sectionLength = sectionEnd - sectionStart
# if i < 3:
# usedRAM += sectionLength
# if i == 3:
# usedIRAM = TOTAL_IRAM - sectionLength;
ret[id]=sectionLength
# print("{0: >10}|{1: >30}|{2:12X}|{3:12X}|{4:8}".format(id, descr, sectionStart, sectionEnd, sectionLength))
# i += 1
# print("Total Used RAM : %d" % usedRAM)
# print("Free RAM : %d" % (TOTAL_DRAM - usedRAM))
# print("Free IRam : %d" % usedIRAM)
return(ret)
try:
################### start
if len(sys.argv) <= 1:
print("Usage: \n\t%s%s <path_to_objdump>" % sys.argv[0])
print(" e.g.")
print(" ~/.platformio/packages/toolchain-xtensa/bin/xtensa-lx106-elf-objdump")
print(" c:/Users/gijs/.platformio/packages/toolchain-xtensa/bin/xtensa-lx106-elf-objdump.exe")
sys.exit(1)
# e.g.
# ~/.platformio/packages/toolchain-xtensa/bin/xtensa-lx106-elf-objdump
# c:/Users/gijs/.platformio/packages/toolchain-xtensa/bin/xtensa-lx106-elf-objdump.exe
objectDumpBin = sys.argv[1]
#get list of all plugins
#which plugins to test?
tmpplugins = []
plugins = []
pluginnames = {}
plugins.append('CORE_ONLY')
if len(sys.argv)>2:
tmpplugins=sys.argv[2:]
else:
tmpplugins=glob.glob("src/_[CPN][0-9][0-9][0-9]*.ino")
tmpplugins.sort()
for plugin in tmpplugins:
pluginname=plugin[plugin.find('_'):]
buildflag= "USES{}".format(pluginname[:5])
pluginnames[buildflag] = plugin
plugins.append(buildflag)
plugins.append('MQTT_ONLY')
plugins.append('FEATURE_SETTINGS_ARCHIVE=1')
plugins.append('WEBSERVER_RULES_DEBUG=1')
plugins.append('WEBSERVER_TIMINGSTATS')
plugins.append('WEBSERVER_NEW_UI')
print("Analysing ESPEasy memory usage for env {} ...\n".format(env))
output_format="{:<30}|{:<11}|{:<11}|{:<11}|{:<11}|{:<11}"
print(output_format.format(
"module",
"cache IRAM",
"init RAM",
"r.o. RAM",
"uninit RAM",
"Flash ROM",
))
##### test per plugin
results={}
base = {}
for plugin in plugins:
buildflag= "-D{}".format(plugin)
my_env = os.environ.copy()
my_env["PLATFORMIO_BUILD_FLAGS"] = buildflag
subprocess.check_call("platformio run --silent --environment {}".format(env), shell=True, env=my_env)
res = analyse_memory(".pio/build/"+env+"/firmware.elf")
if plugin == 'CORE_ONLY':
base = res
print(output_format.format(
"CORE",
base['text'],
base['data'],
base['rodata'],
base['bss'],
base['irom0_text'],
))
else:
results[plugin] = res
name = plugin
if plugin in pluginnames:
name = pluginnames[plugin]
print(output_format.format(
name,
results[plugin]['text']-base['text'],
results[plugin]['data']-base['data'],
results[plugin]['rodata']-base['rodata'],
results[plugin]['bss']-base['bss'],
results[plugin]['irom0_text']-base['irom0_text'],
))
except:
raise
print("\n")