Author: jhibbits
Date: Sat Feb 9 21:08:19 2019
New Revision: 343943
URL: https://svnweb.freebsd.org/changeset/base/343943
Log:
ddb: Print the thread's pcb in 'show thread'
This can aid with debugging when a thread is running and has no backtrace.
State can be estimated based on the pcb, and refined from there, for
example, to get a rough idea of the stack pointer.
Modified:
head/sys/ddb/db_ps.c
Modified: head/sys/ddb/db_ps.c
==============================================================================
--- head/sys/ddb/db_ps.c Sat Feb 9 16:53:39 2019 (r343942)
+++ head/sys/ddb/db_ps.c Sat Feb 9 21:08:19 2019 (r343943)
@@ -352,6 +352,7 @@ DB_SHOW_COMMAND(thread, db_show_thread)
db_printf(" proc (pid %d): %p\n", td->td_proc->p_pid, td->td_proc);
if (td->td_name[0] != '\0')
db_printf(" name: %s\n", td->td_name);
+ db_printf(" pcb: %p\n", td->td_pcb);
db_printf(" stack: %p-%p\n", (void *)td->td_kstack,
(void *)(td->td_kstack + td->td_kstack_pages * PAGE_SIZE - 1));
db_printf(" flags: %#x ", td->td_flags);
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