From e2a620da49f7e01fb93761e15ed9d40b3835400c Mon Sep 17 00:00:00 2001
From: rsc <rsc>
Date: Mon, 20 Aug 2007 19:37:15 +0000
Subject: checkpoint - simpler namei interface

---
 proc.c | 13 +++++++++----
 1 file changed, 9 insertions(+), 4 deletions(-)

(limited to 'proc.c')

diff --git a/proc.c b/proc.c
index 074dc17..b09b738 100644
--- a/proc.c
+++ b/proc.c
@@ -203,7 +203,6 @@ scheduler(void)
 void
 sched(void)
 {
-
   if(cp->state == RUNNING)
     panic("sched running");
   if(!holding(&proc_table_lock))
@@ -219,7 +218,6 @@ sched(void)
 void
 yield(void)
 {
-
   acquire(&proc_table_lock);
   cp->state = RUNNABLE;
   sched();
@@ -422,9 +420,10 @@ procdump(void)
   [RUNNING]   "run   ",
   [ZOMBIE]    "zombie"
   };
-  int i;
+  int i, j;
   struct proc *p;
   char *state;
+  uint pc[10];
   
   for(i = 0; i < NPROC; i++) {
     p = &proc[i];
@@ -434,7 +433,13 @@ procdump(void)
       state = states[p->state];
     else
       state = "???";
-    cprintf("%d %s %s\n", p->pid, state, p->name);
+    cprintf("%d %s %s", p->pid, state, p->name);
+    if(p->state == SLEEPING) {
+      getcallerpcs((uint*)p->jmpbuf.ebp+2, pc);
+      for(j=0; j<10 && pc[j] != 0; j++)
+        cprintf(" %p", pc[j]);
+    }
+    cprintf("\n");
   }
 }
 
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