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sys_view: Adds processing scripts for heap & log traces

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This commit is contained in:
Alexey Gerenkov
2018-12-12 20:38:23 +03:00
parent 5ef3a64c00
commit 8c6a924cdf
37 changed files with 2783 additions and 2919 deletions
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35
tools/esp_app_trace/logtrace_proc.py
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@@ -5,11 +5,9 @@ from __future__ import print_function
import argparse
import struct
import sys
import pylibelf as elf
import pylibelf.util as elfutil
import pylibelf.iterators as elfiter
import pylibelf.constants as elfconst
import elftools.elf.elffile as elffile
import ctypes
import espytrace.apptrace as apptrace
class ESPLogTraceParserError(RuntimeError):
@@ -77,34 +75,14 @@ def logtrace_parse(fname):
return recs
def logtrace_get_str_from_elf(felf, str_addr):
tgt_str = ""
for sect in elfiter.sections(felf):
hdr = elfutil.section_hdr(felf, sect)
if hdr.sh_addr == 0 or hdr.sh_type != elfconst.SHT_PROGBITS:
continue
if str_addr < hdr.sh_addr or str_addr >= hdr.sh_addr + hdr.sh_size:
continue
# print("Found SECT: %x..%x @ %x" % (hdr.sh_addr, hdr.sh_addr + hdr.sh_size, str_addr - hdr.sh_addr))
sec_data = elfiter.getOnlyData(sect).contents
buf = ctypes.cast(sec_data.d_buf, ctypes.POINTER(ctypes.c_char))
for i in range(str_addr - hdr.sh_addr, hdr.sh_size):
if buf[i] == "\0":
break
tgt_str += buf[i]
if len(tgt_str) > 0:
return tgt_str
return None
def logtrace_formated_print(recs, elfname, no_err):
try:
felf = elfutil.open_elf(elfname)
felf = elffile.ELFFile(open(elfname, 'rb'))
except OSError as e:
raise ESPLogTraceParserError("Failed to open ELF file (%s)!" % e)
for lrec in recs:
fmt_str = logtrace_get_str_from_elf(felf, lrec.fmt_addr)
fmt_str = apptrace.get_str_from_elf(felf, lrec.fmt_addr)
i = 0
prcnt_idx = 0
while i < len(lrec.args):
@@ -114,7 +92,7 @@ def logtrace_formated_print(recs, elfname, no_err):
prcnt_idx += 1 # goto next char
if fmt_str[prcnt_idx] == 's':
# find string
arg_str = logtrace_get_str_from_elf(felf, lrec.args[i])
arg_str = apptrace.get_str_from_elf(felf, lrec.args[i])
if arg_str:
lrec.args[i] = arg_str
i += 1
@@ -129,8 +107,7 @@ def logtrace_formated_print(recs, elfname, no_err):
if not no_err:
print("Print error (%s)" % e)
print("\nFmt = {%s}, args = %d/%s" % (fmt_str, len(lrec.args), lrec.args))
elf.elf_end(felf)
felf.stream.close()
def main():