proxmox-mirrors/mirror_frr
1
0
Fork 0
mirror of https://git.proxmox.com/git/mirror_frr synced 2025-08-13 19:39:28 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

Merge pull request #14008 from LabNConsulting/chopps/fix-backtrace

Browse Source 
tests: fix/improve the printing of backtrace from cores
This commit is contained in:
Donald Sharp 2023-07-15 15:59:15 -04:00 committed by GitHub
commit b4dd2fd841
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 80 additions and 25 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

95
tests/topotests/lib/topotest.py
View File

@ -44,33 +44,89 @@ def get_logs_path(rundir):
def gdb_core(obj, daemon, corefiles):
gdbcmds = """
gdbcmds = r"""
set print elements 1024
echo -------\n
echo threads\n
echo -------\n
info threads
bt full
disassemble
up
disassemble
up
disassemble
up
disassemble
up
disassemble
up
disassemble
echo ---------\n
echo registers\n
echo ---------\n
info registers
echo ---------\n
echo backtrace\n
echo ---------\n
bt
"""
gdbcmds = [["-ex", i.strip()] for i in gdbcmds.strip().split("\n")]
gdbcmds = [item for sl in gdbcmds for item in sl]
daemon_path = os.path.join(obj.daemondir, daemon)
backtrace = subprocess.check_output(
["gdb", daemon_path, corefiles[0], "--batch"] + gdbcmds
p = subprocess.run(
["gdb", daemon_path, corefiles[0], "--batch"] + gdbcmds,
encoding="utf-8",
errors="ignore",
capture_output=True,
)
backtrace = p.stdout
#
# Grab the disassemble of top couple frames
#
m = re.search(r"#(\d+) .*assert.*", backtrace)
if not m:
m = re.search(r"#(\d+) .*abort.*", backtrace)
frames = re.findall(r"\n#(\d+) ", backtrace)
if m:
frstart = -1
astart = int(m.group(1)) + 1
ocount = f"-{int(frames[-1]) - astart + 1}"
else:
astart = -1
frstart = 0
ocount = ""
m = re.search(r"#(\d+) .*core_handler.*", backtrace)
if m:
frstart = int(m.group(1)) + 2
ocount = f"-{int(frames[-1]) - frstart + 1}"
sys.stderr.write(
"\n%s: %s crashed. Core file found - Backtrace follows:\n" % (obj.name, daemon)
f"\nCORE FOUND: {obj.name}: {daemon} crashed: see log for backtrace and more\n"
)
sys.stderr.write("%s" % backtrace)
return backtrace
gdbcmds = rf"""
set print elements 1024
echo -------------------------\n
echo backtrace with local args\n
echo -------------------------\n
bt full {ocount}
"""
if frstart >= 0:
gdbcmds += rf"""echo ---------------------------------------\n
echo disassemble of failing funciton (guess)\n
echo ---------------------------------------\n
fr {frstart}
disassemble /m
"""
gdbcmds = [["-ex", i.strip()] for i in gdbcmds.strip().split("\n")]
gdbcmds = [item for sl in gdbcmds for item in sl]
daemon_path = os.path.join(obj.daemondir, daemon)
p = subprocess.run(
["gdb", daemon_path, corefiles[0], "-q", "--batch"] + gdbcmds,
encoding="utf-8",
errors="ignore",
capture_output=True,
)
btdump = p.stdout
# sys.stderr.write(
# "\n%s: %s crashed. Core file found - Backtrace follows:\n" % (obj.name, daemon)
# )
return backtrace + btdump
class json_cmp_result(object):
@ -2088,8 +2144,7 @@ class Router(Node):
backtrace = gdb_core(self, daemon, corefiles)
traces = (
traces
+ "\n%s: %s crashed. Core file found - Backtrace follows:\n%s"
% (self.name, daemon, backtrace)
+ f"\nCORE FOUND: {self.name}: {daemon} crashed. Backtrace follows:\n{backtrace}"
)
reportMade = True
elif reportLeaks: