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OMP GDB Problem
Raw
__init__.py
# /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/__init__.py
import sys
import os.path
import traceback
if __name__ == "__main__":
try:
sys.path.append(os.path.dirname(__file__))
import ompd
ompd.main()
print("OMPD GDB support loaded")
print("Run 'ompd init' to start debugging")
except Exception as e:
traceback.print_exc()
print("Error: OMPD support could not be loaded", e)
Raw
manual-run.log
$ env OMP_DEBUG=enabled gdb -x /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/__init__.py -x /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c.cmd /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp
GNU gdb (GDB) Fedora Linux 13.2-3.fc38
Copyright (C) 2023 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Type "show copying" and "show warranty" for details.
This GDB was configured as "x86_64-redhat-linux-gnu".
Type "show configuration" for configuration details.
For bug reporting instructions, please see:
<https://www.gnu.org/software/gdb/bugs/>.
Find the GDB manual and other documentation resources online at:
<http://www.gnu.org/software/gdb/documentation/>.
For help, type "help".
Type "apropos word" to search for commands related to "word"...
Reading symbols from /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp...
OMPD GDB support loaded
Run 'ompd init' to start debugging
Temporary breakpoint 1 at 0x40116f: file /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c, line 9.
This GDB supports auto-downloading debuginfo from the following URLs:
<https://debuginfod.fedoraproject.org/>
Enable debuginfod for this session? (y or [n]) [answered N; input not from terminal]
Debuginfod has been disabled.
To make this setting permanent, add 'set debuginfod enabled off' to .gdbinit.
[Thread debugging using libthread_db enabled]
Using host libthread_db library "/lib64/libthread_db.so.1".
Temporary breakpoint 1, main () at /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c:9
9 omp_set_num_threads(2);
Temporary breakpoint 2 at 0x7ffff7f8c6a0
OMP_OMPD active
Temporary breakpoint 2, 0x00007ffff7f8c6a0 in ompd_dll_locations_valid() ()
from /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0~pre20231128.ge1f911e40ce6ad-1.fc38.x86_64//usr/lib64/libomp.so
Loaded OMPD lib successfully!
Breakpoint 3 at 0x4011b0: file /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c, line 11.
[New Thread 0x7ffff791db40 (LWP 576885)]
Thread 1 "test_ompd_get_s" hit Breakpoint 3, main.omp_outlined_debug__ (.global_tid.=0x7fffffffd560, .bound_tid.=0x7fffffffd558)
at /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c:11
11 { printf("Parallel level 1, thread num = %d.\n", omp_get_thread_num()); }
Traceback (most recent call last):
File "/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/ompd_callbacks.py", line 30, in _sym_addr
return int(gdb.parse_and_eval("&" + symbol_name))
^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
gdb.error: No symbol "ompd_sizeof____kmp_gtid" in current context.
Traceback (most recent call last):
File "/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/ompd_callbacks.py", line 60, in _read
ret_buf.append(int(buf[i]))
^^^^^^^^^^^
gdb.MemoryError: Cannot access memory at address 0xffffffffffffffff
Fatal signal: Segmentation fault
----- Backtrace -----
0x56051cfea8a0 ???
0x56051d1254cd ???
0x56051d125699 ???
0x7fa59c85fb6f ???
0x7fa599640ab9 Py_TYPE
/usr/include/python3.11/object.h:133
0x7fa599640ab9 Py_IS_TYPE
/usr/include/python3.11/object.h:150
0x7fa599640ab9 PyObject_TypeCheck
/usr/include/python3.11/object.h:263
0x7fa599640ab9 _read
/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/gdb-plugin/ompdModule.c:686
0x7fa580267b0e ???
0x7fa58026e426 ???
0x7fa5996411f8 get_thread_handle
/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/gdb-plugin/ompdModule.c:863
0x7fa59cfcdc77 ???
0x7fa59cfb0d92 ???
0x7fa59cfb97c3 ???
0x7fa59cfb57d9 ???
0x7fa59cfcd3e5 ???
0x7fa59cff1066 ???
0x56051d2b3ccf ???
0x56051d025104 ???
0x56051d4256c4 ???
0x56051d125cce ???
0x56051d42428c ???
0x56051d035df8 ???
0x56051d02324a ???
0x56051d20ba39 ???
0x56051d20bae7 ???
0x56051d20de28 ???
0x56051d20e9df ???
0x56051cefba6e ???
0x7fa59c849b49 ???
0x7fa59c849c0a ???
0x56051cf06ea4 ???
0xffffffffffffffff ???
---------------------
A fatal error internal to GDB has been detected, further
debugging is not possible. GDB will now terminate.
This is a bug, please report it. For instructions, see:
<https://www.gnu.org/software/gdb/bugs/>.
Segmentation fault (core dumped)
Raw
ompd.py
# /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/gdb-plugin/python-module/ompd/ompd.py
import ompdModule
import gdb
import re
import traceback
from ompd_address_space import ompd_address_space
from ompd_handles import ompd_thread, ompd_task, ompd_parallel
from frame_filter import FrameFilter
from enum import Enum
import sys
addr_space = None
ff = None
icv_map = None
ompd_scope_map = {
1: "global",
2: "address_space",
3: "thread",
4: "parallel",
5: "implicit_task",
6: "task",
}
in_task_function = False
class ompd(gdb.Command):
def __init__(self):
super(ompd, self).__init__("ompd", gdb.COMMAND_STATUS, gdb.COMPLETE_NONE, True)
class ompd_init(gdb.Command):
"""Find and initialize ompd library"""
# first parameter is command-line input, second parameter is gdb-specific data
def __init__(self):
self.__doc__ = "Find and initialize OMPD library\n usage: ompd init"
super(ompd_init, self).__init__("ompd init", gdb.COMMAND_DATA)
def invoke(self, arg, from_tty):
global addr_space
global ff
try:
try:
print(gdb.newest_frame())
except:
gdb.execute("start")
try:
lib_list = gdb.parse_and_eval("(char**)ompd_dll_locations")
except gdb.error:
raise ValueError(
"No ompd_dll_locations symbol in execution, make sure to have an OMPD enabled OpenMP runtime"
)
while gdb.parse_and_eval("(char**)ompd_dll_locations") == False:
gdb.execute("tbreak ompd_dll_locations_valid")
gdb.execute("continue")
lib_list = gdb.parse_and_eval("(char**)ompd_dll_locations")
i = 0
while lib_list[i]:
ret = ompdModule.ompd_open(lib_list[i].string())
if ret == -1:
raise ValueError("Handle of OMPD library is not a valid string!")
if ret == -2:
print("ret == -2")
pass # It's ok to fail on dlopen
if ret == -3:
print("ret == -3")
pass # It's ok to fail on dlsym
if ret < -10:
raise ValueError("OMPD error code %i!" % (-10 - ret))
if ret > 0:
print("Loaded OMPD lib successfully!")
try:
addr_space = ompd_address_space()
ff = FrameFilter(addr_space)
except:
traceback.print_exc()
return
i = i + 1
raise ValueError("OMPD library could not be loaded!")
except:
traceback.print_exc()
class ompd_threads(gdb.Command):
"""Register thread ids of current context"""
def __init__(self):
self.__doc__ = (
"Provide information on threads of current context.\n usage: ompd threads"
)
super(ompd_threads, self).__init__("ompd threads", gdb.COMMAND_STATUS)
def invoke(self, arg, from_tty):
global addr_space
if init_error():
return
addr_space.list_threads(True)
def print_parallel_region(curr_parallel, team_size):
"""Helper function for ompd_parallel_region. To print out the details of the parallel region."""
for omp_thr in range(team_size):
thread = curr_parallel.get_thread_in_parallel(omp_thr)
ompd_state = str(addr_space.states[thread.get_state()[0]])
ompd_wait_id = thread.get_state()[1]
task = curr_parallel.get_task_in_parallel(omp_thr)
task_func_addr = task.get_task_function()
# Get the function this addr belongs to
sal = gdb.find_pc_line(task_func_addr)
block = gdb.block_for_pc(task_func_addr)
while block and not block.function:
block = block.superblock
if omp_thr == 0:
print(
"%6d (master) %-37s %ld 0x%lx %-25s %-17s:%d"
% (
omp_thr,
ompd_state,
ompd_wait_id,
task_func_addr,
block.function.print_name,
sal.symtab.filename,
sal.line,
)
)
else:
print(
"%6d %-37s %ld 0x%lx %-25s %-17s:%d"
% (
omp_thr,
ompd_state,
ompd_wait_id,
task_func_addr,
block.function.print_name,
sal.symtab.filename,
sal.line,
)
)
class ompd_parallel_region(gdb.Command):
"""Parallel Region Details"""
def __init__(self):
self.__doc__ = "Display the details of the current and enclosing parallel regions.\n usage: ompd parallel"
super(ompd_parallel_region, self).__init__("ompd parallel", gdb.COMMAND_STATUS)
def invoke(self, arg, from_tty):
global addr_space
if init_error():
return
if addr_space.icv_map is None:
addr_space.get_icv_map()
if addr_space.states is None:
addr_space.enumerate_states()
curr_thread_handle = addr_space.get_curr_thread()
curr_parallel_handle = curr_thread_handle.get_current_parallel_handle()
curr_parallel = ompd_parallel(curr_parallel_handle)
while curr_parallel_handle is not None and curr_parallel is not None:
nest_level = ompdModule.call_ompd_get_icv_from_scope(
curr_parallel_handle,
addr_space.icv_map["levels-var"][1],
addr_space.icv_map["levels-var"][0],
)
if nest_level == 0:
break
team_size = ompdModule.call_ompd_get_icv_from_scope(
curr_parallel_handle,
addr_space.icv_map["team-size-var"][1],
addr_space.icv_map["team-size-var"][0],
)
print("")
print(
"Parallel Region: Nesting Level %d: Team Size: %d"
% (nest_level, team_size)
)
print("================================================")
print("")
print(
"OMP Thread Nbr Thread State Wait Id EntryAddr FuncName File:Line"
)
print(
"======================================================================================================"
)
print_parallel_region(curr_parallel, team_size)
enclosing_parallel = curr_parallel.get_enclosing_parallel()
enclosing_parallel_handle = curr_parallel.get_enclosing_parallel_handle()
curr_parallel = enclosing_parallel
curr_parallel_handle = enclosing_parallel_handle
class ompd_icvs(gdb.Command):
"""ICVs"""
def __init__(self):
self.__doc__ = (
"Display the values of the Internal Control Variables.\n usage: ompd icvs"
)
super(ompd_icvs, self).__init__("ompd icvs", gdb.COMMAND_STATUS)
def invoke(self, arg, from_tty):
global addr_space
global ompd_scope_map
if init_error():
return
curr_thread_handle = addr_space.get_curr_thread()
if addr_space.icv_map is None:
addr_space.get_icv_map()
print("ICV Name Scope Value")
print("===============================================================")
try:
for icv_name in addr_space.icv_map:
scope = addr_space.icv_map[icv_name][1]
# {1:'global', 2:'address_space', 3:'thread', 4:'parallel', 5:'implicit_task', 6:'task'}
if scope == 2:
handle = addr_space.addr_space
elif scope == 3:
handle = curr_thread_handle.thread_handle
elif scope == 4:
handle = curr_thread_handle.get_current_parallel_handle()
elif scope == 6:
handle = curr_thread_handle.get_current_task_handle()
else:
raise ValueError("Invalid scope")
if icv_name == "nthreads-var" or icv_name == "bind-var":
icv_value = ompdModule.call_ompd_get_icv_from_scope(
handle, scope, addr_space.icv_map[icv_name][0]
)
if icv_value is None:
icv_string = ompdModule.call_ompd_get_icv_string_from_scope(
handle, scope, addr_space.icv_map[icv_name][0]
)
print(
"%-31s %-26s %s"
% (icv_name, ompd_scope_map[scope], icv_string)
)
else:
print(
"%-31s %-26s %d"
% (icv_name, ompd_scope_map[scope], icv_value)
)
elif (
icv_name == "affinity-format-var"
or icv_name == "run-sched-var"
or icv_name == "tool-libraries-var"
or icv_name == "tool-verbose-init-var"
):
icv_string = ompdModule.call_ompd_get_icv_string_from_scope(
handle, scope, addr_space.icv_map[icv_name][0]
)
print(
"%-31s %-26s %s" % (icv_name, ompd_scope_map[scope], icv_string)
)
else:
icv_value = ompdModule.call_ompd_get_icv_from_scope(
handle, scope, addr_space.icv_map[icv_name][0]
)
print(
"%-31s %-26s %d" % (icv_name, ompd_scope_map[scope], icv_value)
)
except:
traceback.print_exc()
def curr_thread():
"""Helper function for ompd_step. Returns the thread object for the current thread number."""
global addr_space
if addr_space is not None:
return addr_space.threads[int(gdb.selected_thread().num)]
return None
class ompd_test(gdb.Command):
"""Test area"""
def __init__(self):
self.__doc__ = "Test functionalities for correctness\n usage: ompd test"
super(ompd_test, self).__init__("ompd test", gdb.COMMAND_OBSCURE)
def invoke(self, arg, from_tty):
global addr_space
if init_error():
return
# get task function for current task of current thread
try:
current_thread = int(gdb.selected_thread().num)
current_thread_obj = addr_space.threads[current_thread]
task_function = current_thread_obj.get_current_task().get_task_function()
print("bt value:", int("0x0000000000400b6c", 0))
print("get_task_function value:", task_function)
# get task function of implicit task in current parallel region for current thread
current_parallel_obj = current_thread_obj.get_current_parallel()
task_in_parallel = current_parallel_obj.get_task_in_parallel(current_thread)
task_function_in_parallel = task_in_parallel.get_task_function()
print("task_function_in_parallel:", task_function_in_parallel)
except:
print("Task function value not found for this thread")
class ompdtestapi(gdb.Command):
"""To test API's return code"""
def __init__(self):
self.__doc__ = "Test OMPD tool Interface APIs.\nUsage: ompdtestapi <api name>"
super(ompdtestapi, self).__init__("ompdtestapi", gdb.COMMAND_OBSCURE)
def invoke(self, arg, from_tty):
global addr_space
if init_error():
print("Error in Initialization.")
return
if not arg:
print("No API provided to test, eg: ompdtestapi ompd_initialize")
if arg == "ompd_get_thread_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
ompdModule.test_ompd_get_thread_handle(addr_handle, threadId)
elif arg == "ompd_get_curr_parallel_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
ompdModule.test_ompd_get_curr_parallel_handle(thread_handle)
elif arg == "ompd_get_thread_in_parallel":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
ompdModule.test_ompd_get_thread_in_parallel(parallel_handle)
elif arg == "ompd_thread_handle_compare":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
thread_handle1 = ompdModule.call_ompd_get_thread_in_parallel(
parallel_handle, 1
)
thread_handle2 = ompdModule.call_ompd_get_thread_in_parallel(
parallel_handle, 2
)
ompdModule.test_ompd_thread_handle_compare(thread_handle1, thread_handle1)
ompdModule.test_ompd_thread_handle_compare(thread_handle1, thread_handle2)
elif arg == "ompd_get_thread_id":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
ompdModule.test_ompd_get_thread_id(thread_handle)
elif arg == "ompd_rel_thread_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
ompdModule.test_ompd_rel_thread_handle(thread_handle)
elif arg == "ompd_get_enclosing_parallel_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
ompdModule.test_ompd_get_enclosing_parallel_handle(parallel_handle)
elif arg == "ompd_parallel_handle_compare":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle1 = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
parallel_handle2 = ompdModule.call_ompd_get_enclosing_parallel_handle(
parallel_handle1
)
ompdModule.test_ompd_parallel_handle_compare(
parallel_handle1, parallel_handle1
)
ompdModule.test_ompd_parallel_handle_compare(
parallel_handle1, parallel_handle2
)
elif arg == "ompd_rel_parallel_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
ompdModule.test_ompd_rel_parallel_handle(parallel_handle)
elif arg == "ompd_initialize":
ompdModule.test_ompd_initialize()
elif arg == "ompd_get_api_version":
ompdModule.test_ompd_get_api_version()
elif arg == "ompd_get_version_string":
ompdModule.test_ompd_get_version_string()
elif arg == "ompd_finalize":
ompdModule.test_ompd_finalize()
elif arg == "ompd_process_initialize":
ompdModule.call_ompd_initialize()
ompdModule.test_ompd_process_initialize()
elif arg == "ompd_device_initialize":
ompdModule.test_ompd_device_initialize()
elif arg == "ompd_rel_address_space_handle":
ompdModule.test_ompd_rel_address_space_handle()
elif arg == "ompd_get_omp_version":
addr_handle = addr_space.addr_space
ompdModule.test_ompd_get_omp_version(addr_handle)
elif arg == "ompd_get_omp_version_string":
addr_handle = addr_space.addr_space
ompdModule.test_ompd_get_omp_version_string(addr_handle)
elif arg == "ompd_get_curr_task_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
ompdModule.test_ompd_get_curr_task_handle(thread_handle)
elif arg == "ompd_get_task_parallel_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_get_task_parallel_handle(task_handle)
elif arg == "ompd_get_generating_task_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_get_generating_task_handle(task_handle)
elif arg == "ompd_get_scheduling_task_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_get_scheduling_task_handle(task_handle)
elif arg == "ompd_get_task_in_parallel":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
ompdModule.test_ompd_get_task_in_parallel(parallel_handle)
elif arg == "ompd_rel_task_handle":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_rel_task_handle(task_handle)
elif arg == "ompd_task_handle_compare":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle1 = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
task_handle2 = ompdModule.call_ompd_get_generating_task_handle(task_handle1)
ompdModule.test_ompd_task_handle_compare(task_handle1, task_handle2)
ompdModule.test_ompd_task_handle_compare(task_handle2, task_handle1)
elif arg == "ompd_get_task_function":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_get_task_function(task_handle)
elif arg == "ompd_get_task_frame":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_get_task_frame(task_handle)
elif arg == "ompd_get_state":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
ompdModule.test_ompd_get_state(thread_handle)
elif arg == "ompd_get_display_control_vars":
addr_handle = addr_space.addr_space
ompdModule.test_ompd_get_display_control_vars(addr_handle)
elif arg == "ompd_rel_display_control_vars":
ompdModule.test_ompd_rel_display_control_vars()
elif arg == "ompd_enumerate_icvs":
addr_handle = addr_space.addr_space
ompdModule.test_ompd_enumerate_icvs(addr_handle)
elif arg == "ompd_get_icv_from_scope":
addr_handle = addr_space.addr_space
threadId = gdb.selected_thread().ptid[1]
thread_handle = ompdModule.get_thread_handle(threadId, addr_handle)
parallel_handle = ompdModule.call_ompd_get_curr_parallel_handle(
thread_handle
)
task_handle = ompdModule.call_ompd_get_curr_task_handle(thread_handle)
ompdModule.test_ompd_get_icv_from_scope_with_addr_handle(addr_handle)
ompdModule.test_ompd_get_icv_from_scope_with_thread_handle(thread_handle)
ompdModule.test_ompd_get_icv_from_scope_with_parallel_handle(
parallel_handle
)
ompdModule.test_ompd_get_icv_from_scope_with_task_handle(task_handle)
elif arg == "ompd_get_icv_string_from_scope":
addr_handle = addr_space.addr_space
ompdModule.test_ompd_get_icv_string_from_scope(addr_handle)
elif arg == "ompd_get_tool_data":
ompdModule.test_ompd_get_tool_data()
elif arg == "ompd_enumerate_states":
ompdModule.test_ompd_enumerate_states()
else:
print("Invalid API.")
class ompd_bt(gdb.Command):
"""Turn filter for 'bt' on/off for output to only contain frames relevant to the application or all frames."""
def __init__(self):
self.__doc__ = 'Turn filter for "bt" output on or off. Specify "on continued" option to trace worker threads back to master threads.\n usage: ompd bt on|on continued|off'
super(ompd_bt, self).__init__("ompd bt", gdb.COMMAND_STACK)
def invoke(self, arg, from_tty):
global ff
global addr_space
global icv_map
global ompd_scope_map
if init_error():
return
if icv_map is None:
icv_map = {}
current = 0
more = 1
while more > 0:
tup = ompdModule.call_ompd_enumerate_icvs(
addr_space.addr_space, current
)
(current, next_icv, next_scope, more) = tup
icv_map[next_icv] = (current, next_scope, ompd_scope_map[next_scope])
print('Initialized ICV map successfully for filtering "bt".')
arg_list = gdb.string_to_argv(arg)
if len(arg_list) == 0:
print(
'When calling "ompd bt", you must either specify "on", "on continued" or "off". Check "help ompd".'
)
elif len(arg_list) == 1 and arg_list[0] == "on":
addr_space.list_threads(False)
ff.set_switch(True)
ff.set_switch_continue(False)
elif arg_list[0] == "on" and arg_list[1] == "continued":
ff.set_switch(True)
ff.set_switch_continue(True)
elif len(arg_list) == 1 and arg_list[0] == "off":
ff.set_switch(False)
ff.set_switch_continue(False)
else:
print(
'When calling "ompd bt", you must either specify "on", "on continued" or "off". Check "help ompd".'
)
# TODO: remove
class ompd_taskframes(gdb.Command):
"""Prints task handles for relevant task frames. Meant for debugging."""
def __init__(self):
self.__doc__ = "Prints list of tasks.\nUsage: ompd taskframes"
super(ompd_taskframes, self).__init__("ompd taskframes", gdb.COMMAND_STACK)
def invoke(self, arg, from_tty):
global addr_space
if init_error():
return
frame = gdb.newest_frame()
while frame:
print(frame.read_register("sp"))
frame = frame.older()
curr_task_handle = None
if addr_space.threads and addr_space.threads.get(gdb.selected_thread().num):
curr_thread_handle = curr_thread().thread_handle
curr_task_handle = ompdModule.call_ompd_get_curr_task_handle(
curr_thread_handle
)
if not curr_task_handle:
return None
prev_frames = None
try:
while 1:
frames_with_flags = ompdModule.call_ompd_get_task_frame(
curr_task_handle
)
frames = (frames_with_flags[0], frames_with_flags[3])
if prev_frames == frames:
break
if not isinstance(frames, tuple):
break
(ompd_enter_frame, ompd_exit_frame) = frames
print(hex(ompd_enter_frame), hex(ompd_exit_frame))
curr_task_handle = ompdModule.call_ompd_get_scheduling_task_handle(
curr_task_handle
)
prev_frames = frames
if not curr_task_handle:
break
except:
traceback.print_exc()
def print_and_exec(string):
"""Helper function for ompd_step. Executes the given command in GDB and prints it."""
print(string)
gdb.execute(string)
class TempFrameFunctionBp(gdb.Breakpoint):
"""Helper class for ompd_step. Defines stop function for breakpoint on frame function."""
def stop(self):
global in_task_function
in_task_function = True
self.enabled = False
class ompd_step(gdb.Command):
"""Executes 'step' and skips frames irrelevant to the application / the ones without debug information."""
def __init__(self):
self.__doc__ = 'Executes "step" and skips runtime frames as much as possible.'
super(ompd_step, self).__init__("ompd step", gdb.COMMAND_STACK)
class TaskBeginBp(gdb.Breakpoint):
"""Helper class. Defines stop function for breakpoint ompd_bp_task_begin."""
def stop(self):
try:
code_line = curr_thread().get_current_task().get_task_function()
frame_fct_bp = TempFrameFunctionBp(
("*%i" % code_line), temporary=True, internal=True
)
frame_fct_bp.thread = self.thread
return False
except:
return False
def invoke(self, arg, from_tty):
global in_task_function
if init_error():
return
tbp = self.TaskBeginBp("ompd_bp_task_begin", temporary=True, internal=True)
tbp.thread = int(gdb.selected_thread().num)
print_and_exec("step")
while gdb.selected_frame().find_sal().symtab is None:
if not in_task_function:
print_and_exec("finish")
else:
print_and_exec("si")
def init_error():
global addr_space
if (gdb.selected_thread() is None) or (addr_space is None) or (not addr_space):
print("Run 'ompd init' before running any of the ompd commands")
return True
return False
def main():
ompd()
ompd_init()
ompd_threads()
ompd_icvs()
ompd_parallel_region()
ompd_test()
ompdtestapi()
ompd_taskframes()
ompd_bt()
ompd_step()
if __name__ == "__main__":
try:
main()
except:
traceback.print_exc()
# NOTE: test code using:
# OMP_NUM_THREADS=... gdb a.out -x ../../projects/gdb_plugin/gdb-ompd/__init__.py
# ompd init
# ompd threads
Raw
test-run.log
-- Testing: 1 of 73764 tests, 1 workers --
FAIL: ompd-test :: api_tests/test_ompd_get_state.c (1 of 1)
******************** TEST 'ompd-test :: api_tests/test_ompd_get_state.c' FAILED ********************
Exit Code: -11
Command Output (stdout):
--
# RUN: at line 1
/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/./bin/clang -fopenmp -g -gdwarf-4 /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c -o /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp -I /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test -I /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -L /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src 2>&1 | tee /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp.compile
# executed command: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/./bin/clang -fopenmp -g -gdwarf-4 /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c -o /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp -I /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test -I /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src -L /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/runtime/src
# executed command: tee /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp.compile
# RUN: at line 2
env OMP_DEBUG=enabled gdb -x /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/__init__.py -x /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c.cmd /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp 2>&1 | tee /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp.out | /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/./bin/FileCheck --dump-input=always /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c
# executed command: env OMP_DEBUG=enabled gdb -x /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/__init__.py -x /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c.cmd /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp
# note: command had no output on stdout or stderr
# error: command failed with exit status: -11
# executed command: tee /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp.out
# executed command: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/./bin/FileCheck --dump-input=always /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c
# .---command stderr------------
# |
# | Input file: <stdin>
# | Check file: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c
# |
# | -dump-input=help explains the following input dump.
# |
# | Input was:
# | <<<<<<
# | 1: gdb: warning: Couldn't determine a path for the index cache directory.
# | 2: GNU gdb (GDB) Fedora Linux 13.2-3.fc38
# | 3: Copyright (C) 2023 Free Software Foundation, Inc.
# | 4: License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
# | 5: This is free software: you are free to change and redistribute it.
# | 6: There is NO WARRANTY, to the extent permitted by law.
# | 7: Type "show copying" and "show warranty" for details.
# | 8: This GDB was configured as "x86_64-redhat-linux-gnu".
# | 9: Type "show configuration" for configuration details.
# | 10: For bug reporting instructions, please see:
# | 11: <https://www.gnu.org/software/gdb/bugs/>.
# | 12: Find the GDB manual and other documentation resources online at:
# | 13: <http://www.gnu.org/software/gdb/documentation/>.
# | 14:
# | 15: For help, type "help".
# | 16: Type "apropos word" to search for commands related to "word"...
# | 17: Reading symbols from /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/api_tests/Output/test_ompd_get_state.c.tmp...
# | 18: OMPD GDB support loaded
# | 19: Run 'ompd init' to start debugging
# | 20: Temporary breakpoint 1 at 0x40116f: file /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c, line 9.
# | 21: [Thread debugging using libthread_db enabled]
# | 22: Using host libthread_db library "/lib64/libthread_db.so.1".
# | 23:
# | 24: Temporary breakpoint 1, main ()
# | 25: at /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c:9
# | 26: 9 omp_set_num_threads(2);
# | 27: Temporary breakpoint 2 at 0x7ffff7f8c6a0: file /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/runtime/src/ompd-specific.cpp, line 121.
# | 28: OMP_OMPD active
# | 29:
# | 30: Temporary breakpoint 2, ompd_dll_locations_valid ()
# | 31: at /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/runtime/src/ompd-specific.cpp:121
# | 32: 121 }
# | 33: Loaded OMPD lib successfully!
# | 34: Breakpoint 3 at 0x4011b0: file /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c, line 11.
# | 35: [New Thread 0x7ffff791db40 (LWP 578128)]
# | 36:
# | 37: Thread 1 "test_ompd_get_s" hit Breakpoint 3, main.omp_outlined_debug__ (
# | 38: .global_tid.=0x7fffffffe310, .bound_tid.=0x7fffffffe308)
# | 39: at /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c:11
# | 40: 11 { printf("Parallel level 1, thread num = %d.\n", omp_get_thread_num()); }
# | 41: Traceback (most recent call last):
# | 42: File "/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/ompd_callbacks.py", line 30, in _sym_addr
# | 43: return int(gdb.parse_and_eval("&" + symbol_name))
# | 44: ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
# | 45: gdb.error: Missing ELF symbol "ompd_sizeof____kmp_gtid".
# | 46: Traceback (most recent call last):
# | 47: File "/home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/llvm-18.0.0.src/redhat-linux-build/runtimes/runtimes-bins/openmp/libompd/test/../gdb-plugin/python-module/ompd/ompd_callbacks.py", line 60, in _read
# | 48: ret_buf.append(int(buf[i]))
# | 49: ^^^^^^^^^^^
# | 50: gdb.MemoryError: Cannot access memory at address 0xffffffffffffffff
# | 51:
# | 52:
# | 53: Fatal signal: Segmentation fault
# | 54: ----- Backtrace -----
# | 55: 0x5617282f58a0 ???
# | 56: 0x5617284304cd ???
# | 57: 0x561728430699 ???
# | 58: 0x7f1a8c45fb6f ???
# | 59: 0x7f1a8801fab9 Py_TYPE
# | 60: /usr/include/python3.11/object.h:133
# | 61: 0x7f1a8801fab9 Py_IS_TYPE
# | 62: /usr/include/python3.11/object.h:150
# | 63: 0x7f1a8801fab9 PyObject_TypeCheck
# | 64: /usr/include/python3.11/object.h:263
# | 65: 0x7f1a8801fab9 _read
# | 66: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/gdb-plugin/ompdModule.c:686
# | 67: 0x7f1a78231b0e _ZN5TType7getSizeEPm
# | 68: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/src/TargetValue.cpp:74
# | 69: 0x7f1a78238426 _ZN6TValue8castBaseEPKc
# | 70: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/src/TargetValue.cpp:320
# | 71: 0x7f1a78238426 ompd_get_thread_handle
# | 72: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/src/omp-debug.cpp:719
# | 73: 0x7f1a880201f8 get_thread_handle
# | 74: /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/gdb-plugin/ompdModule.c:863
# | 75: 0x7f1a8cbcdc77 ???
# | 76: 0x7f1a8cbb0d92 ???
# | 77: 0x7f1a8cbb97c3 ???
# | 78: 0x7f1a8cbb57d9 ???
# | 79: 0x7f1a8cbcd3e5 ???
# | 80: 0x7f1a8cbf1066 ???
# | 81: 0x5617285beccf ???
# | 82: 0x561728330104 ???
# | 83: 0x5617287306c4 ???
# | 84: 0x561728430cce ???
# | 85: 0x56172872f28c ???
# | 86: 0x561728340df8 ???
# | 87: 0x56172832e24a ???
# | 88: 0x561728516a39 ???
# | 89: 0x561728516ae7 ???
# | 90: 0x561728518e28 ???
# | 91: 0x5617285199df ???
# | 92: 0x561728206a6e ???
# | 93: 0x7f1a8c449b49 ???
# | 94: 0x7f1a8c449c0a ???
# | 95: 0x561728211ea4 ???
# | 96: 0xffffffffffffffff ???
# | 97: ---------------------
# | 98: A fatal error internal to GDB has been detected, further
# | 99: debugging is not possible. GDB will now terminate.
# | 100:
# | 101: This is a bug, please report it. For instructions, see:
# | 102: <https://www.gnu.org/software/gdb/bugs/>.
# | 103:
# | >>>>>>
# `-----------------------------
--
********************
********************
Failed Tests (1):
ompd-test :: api_tests/test_ompd_get_state.c
Testing Time: 1.53s
Total Discovered Tests: 69378
Excluded: 69377 (100.00%)
Failed : 1 (0.00%)
Raw
test_ompd_get_state.c
// /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c
// RUN: %gdb-compile 2>&1 | tee %t.compile
// RUN: %gdb-test -x %s.cmd %t 2>&1 | tee %t.out | FileCheck %s
#include <omp.h>
#include <stdio.h>
int main() {
omp_set_num_threads(2);
#pragma omp parallel
{ printf("Parallel level 1, thread num = %d.\n", omp_get_thread_num()); }
return 0;
}
// CHECK-NOT: Failed
// CHECK-NOT: Skip
Raw
test_ompd_get_state.c.cmd
# /home/fedora/src/llvm-rpms/llvm-big-merge/BUILD/openmp/libompd/test/api_tests/test_ompd_get_state.c.cmd
ompd init
b test_ompd_get_state.c:11
c
ompdtestapi ompd_get_state
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