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[tools] Improve j6threads display

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Add cpu-specific data like TSS stacks and IST stacks.
This commit is contained in:
Justin C. Miller
2022-03-13 17:15:42 -07:00
parent d08e5dabe4
commit e7ccccad7f
1 changed files with 28 additions and 7 deletions
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35
assets/debugging/jsix.elf-gdb.py
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@@ -180,13 +180,10 @@ class GetThreadsCommand(gdb.Command):
print(f" flags: {self.get_flags(flags)}")
print(f" kstack: {stack:#x}")
print(f" rsp: {rsp:#x}")
print("------------------------------------")
if stack != 0:
rsp = int(gdb.parse_and_eval(f"{tcb}->rsp"))
stack_walk(rsp + 5*8, 5)
if stack == 0: return 0
return int(gdb.parse_and_eval(f"{tcb}->rsp"))
print("")
def print_thread_list(self, addr, name):
if addr == 0:
@@ -195,9 +192,23 @@ class GetThreadsCommand(gdb.Command):
print(f"=== {name} ===")
while addr != 0:
self.print_thread(addr)
addr = int(gdb.parse_and_eval(f"((tcb_node*){addr:#x})->m_next"))
rsp = self.print_thread(addr)
if rsp != 0:
print("------------------------------------")
stack_walk(rsp + 5*8, 5)
addr = int(gdb.parse_and_eval(f"((tcb_node*){addr:#x})->m_next"))
print()
def print_cpudata(self, index):
cpu = f"(g_cpu_data[{index}])"
tss = f"{cpu}->tss"
tss_rsp0 = int(gdb.parse_and_eval(f"{tss}->m_rsp[0]"))
tss_ist = [int(gdb.parse_and_eval(f"{tss}->m_ist[{i}]")) for i in range(8)]
print(f" tss rsp0: {tss_rsp0:#x}")
for i in range(1,8):
if tss_ist[i] == 0: continue
print(f" tss ist{i}: {tss_ist[i]:#x}")
def invoke(self, arg, from_tty):
args = gdb.string_to_argv(arg)
@@ -215,6 +226,15 @@ class GetThreadsCommand(gdb.Command):
print(f"=== CPU {cpu:2}: CURRENT ===")
current = int(gdb.parse_and_eval(f"{runlist}.current"))
self.print_thread(current)
self.print_cpudata(cpu)
previous = int(gdb.parse_and_eval(f"{runlist}.prev"))
if previous != 0:
tcb = f"((TCB*){previous:#x})"
thread = f"({tcb}->thread)"
koid = int(gdb.parse_and_eval(f"{thread}->m_koid"))
print(f" prev: {koid:x}")
print()
for pri in range(8):
ready = int(gdb.parse_and_eval(f"{runlist}.ready[{pri:#x}].m_head"))
@@ -222,6 +242,7 @@ class GetThreadsCommand(gdb.Command):
blocked = int(gdb.parse_and_eval(f"{runlist}.blocked.m_head"))
self.print_thread_list(blocked, f"CPU {cpu:2}: BLOCKED")
print()
class PrintProfilesCommand(gdb.Command):