From e76bd38065c91d7f76e11c89367ff4ed16e765b8 Mon Sep 17 00:00:00 2001
From: "Bjoern A. Zeeb" <bz@FreeBSD.org>
Date: Fri, 25 May 2018 13:59:48 +0000
Subject: [PATCH] Extend show proc with reaper, sigparent, and vmspace
 information I have regularly needed the last couple of months.

Sponsored by:	iXsystems, Inc.
---
 sys/ddb/db_ps.c | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/sys/ddb/db_ps.c b/sys/ddb/db_ps.c
index d8ce0502e347..0c9687c62fbd 100644
--- a/sys/ddb/db_ps.c
+++ b/sys/ddb/db_ps.c
@@ -46,6 +46,7 @@ __FBSDID("$FreeBSD$");
 #include <vm/vm.h>
 #include <vm/vm_param.h>
 #include <vm/pmap.h>
+#include <vm/vm_map.h>
 
 #include <ddb/ddb.h>
 
@@ -452,6 +453,16 @@ DB_SHOW_COMMAND(proc, db_show_proc)
 		}
 		db_printf("\n");
 	}
+	db_printf(" repear: %p reapsubtree: %d\n",
+	    p->p_reaper, p->p_reapsubtree);
+	db_printf(" sigparent: %d\n", p->p_sigparent);
+	db_printf(" vmspace: %p\n", p->p_vmspace);
+	db_printf("   (map %p)\n",
+	    (p->p_vmspace != NULL) ? &p->p_vmspace->vm_map : 0);
+	db_printf("   (map.pmap %p)\n",
+	    (p->p_vmspace != NULL) ? &p->p_vmspace->vm_map.pmap : 0);
+	db_printf("   (pmap %p)\n",
+	    (p->p_vmspace != NULL) ? &p->p_vmspace->vm_pmap : 0);
 	db_printf(" threads: %d\n", p->p_numthreads);
 	FOREACH_THREAD_IN_PROC(p, td) {
 		dumpthread(p, td, 1);