Merge branch 'feature/idf_size_report_symbols' into 'master'
Feature/idf-size: report per-archive symbols and their sizes See merge request idf/esp-idf!1956
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commit
4e982d4b18
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@ -10,7 +10,7 @@
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# where this file is located.
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#
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.PHONY: build-components menuconfig defconfig all build clean all_binaries check-submodules size size-components size-files list-components
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.PHONY: build-components menuconfig defconfig all build clean all_binaries check-submodules size size-components size-files size-symbols list-components
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MAKECMDGOALS ?= all
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all: all_binaries
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@ -32,6 +32,7 @@ help:
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@echo "make clean - Remove all build output"
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@echo "make size - Display the static memory footprint of the app"
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@echo "make size-components, size-files - Finer-grained memory footprints"
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@echo "make size-symbols - Per symbol memory footprint. Requires COMPONENT=<component>"
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@echo "make erase_flash - Erase entire flash contents"
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@echo "make monitor - Run idf_monitor tool to monitor serial output from app"
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@echo "make simple_monitor - Monitor serial output on terminal console"
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@ -479,6 +480,13 @@ size-files: $(APP_ELF)
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size-components: $(APP_ELF)
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$(PYTHON) $(IDF_PATH)/tools/idf_size.py --archives $(APP_MAP)
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size-symbols: $(APP_ELF)
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ifndef COMPONENT
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$(error "ERROR: Please enter the component to look symbols for, e.g. COMPONENT=heap")
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else
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$(PYTHON) $(IDF_PATH)/tools/idf_size.py --archive_details lib$(COMPONENT).a $(APP_MAP)
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endif
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# NB: this ordering is deliberate (app-clean & bootloader-clean before
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# _config-clean), so config remains valid during all component clean
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# targets
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@ -85,6 +85,7 @@ def load_sections(map_file):
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scan_to_header(map_file, "END GROUP")
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sections = {}
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section = None
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sym_backup = None
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for line in map_file:
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# output section header, ie '.iram0.text 0x0000000040080400 0x129a5'
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RE_SECTION_HEADER = r"(?P<name>[^ ]+) +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+)$"
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@ -101,18 +102,27 @@ def load_sections(map_file):
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# source file line, ie
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# 0x0000000040080400 0xa4 /home/gus/esp/32/idf/examples/get-started/hello_world/build/esp32/libesp32.a(cpu_start.o)
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RE_SOURCE_LINE = r".*? +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.o)\)"
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m = re.match(RE_SOURCE_LINE, line)
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RE_SOURCE_LINE = r"\s*(?P<sym_name>\S*).* +0x(?P<address>[\da-f]+) +0x(?P<size>[\da-f]+) (?P<archive>.+\.a)\((?P<object_file>.+\.o)\)"
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m = re.match(RE_SOURCE_LINE, line, re.M)
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if section is not None and m is not None: # input source file details
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sym_name = m.group("sym_name") if len(m.group("sym_name")) > 0 else sym_backup
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source = {
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"size" : int(m.group("size"), 16),
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"address" : int(m.group("address"), 16),
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"archive" : os.path.basename(m.group("archive")),
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"object_file" : m.group("object_file"),
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"sym_name" : sym_name,
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}
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source["file"] = "%s:%s" % (source["archive"], source["object_file"])
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section["sources"] += [ source ]
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# In some cases the section name appears on the previous line, back it up in here
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RE_SYMBOL_ONLY_LINE = r"^ (?P<sym_name>\S*)$"
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m = re.match(RE_SYMBOL_ONLY_LINE, line)
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if section is not None and m is not None:
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sym_backup = m.group("sym_name")
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return sections
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def sizes_by_key(sections, key):
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@ -147,6 +157,9 @@ def main():
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parser.add_argument(
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'--archives', help='Print per-archive sizes', action='store_true')
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parser.add_argument(
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'--archive_details', help='Print detailed symbols per archive')
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parser.add_argument(
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'--files', help='Print per-file sizes', action='store_true')
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@ -161,6 +174,9 @@ def main():
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if args.files:
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print("Per-file contributions to ELF file:")
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print_detailed_sizes(sections, "file", "Object File")
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if args.archive_details:
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print "Symbols within the archive:", args.archive_details, "(Not all symbols may be reported)"
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print_archive_symbols(sections, args.archive_details)
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def print_summary(memory_config, sections):
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def get_size(section):
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@ -230,6 +246,28 @@ def print_detailed_sizes(sections, key, header):
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v["flash_rodata"],
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v["total"]))
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def print_archive_symbols(sections, archive):
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interested_sections = [".dram0.data", ".dram0.bss", ".iram0.text", ".iram0.vectors", ".flash.text", ".flash.rodata"]
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result = {}
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for t in interested_sections:
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result[t] = {}
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for section in sections.values():
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section_name = section["name"]
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if section_name not in interested_sections:
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continue
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for s in section["sources"]:
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if archive != s["archive"]:
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continue
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s["sym_name"] = re.sub("(.text.|.literal.|.data.|.bss.|.rodata.)", "", s["sym_name"]);
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result[section_name][s["sym_name"]] = result[section_name].get(s["sym_name"], 0) + s["size"]
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for t in interested_sections:
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print "\nSymbols from section:", t
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section_total = 0
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for key,val in sorted(result[t].items(), key=lambda (k,v): v, reverse=True):
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print("%s(%d)"% (key.replace(t + ".", ""), val)),
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section_total += val
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print "\nSection total:",section_total
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if __name__ == "__main__":
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main()
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