Control-w dumps work queue stats.

e5038b78 · Silas Boyd-Wickizer · c7d9a2ad · e5038b78 · e5038b78 · e5038b78
--- a/console.c
+++ b/console.c
@@ -296,6 +296,9 @@ consoleintr(int (*getc)(void))
        consputc(BACKSPACE);
      }
      break;
+    case C('W'):  // Work queue stats
+      wq_dump();
+      break;
    default:
      if(c != 0 && input.e-input.r < INPUT_BUF){
        c = (c == '\r') ? '\n' : c;

--- a/kernel.h
+++ b/kernel.h
@@ -277,4 +277,5 @@ struct vmap *   vmap_copy(struct vmap *, int);
 void            wq_push(void *rip, u64 arg0, u64 arg1);
 void            wq_start(void);
 void            wq_end(void);
+void            wq_dump(void);
 void            initwqframe(struct wqframe *wq);
--- a/wq.c
+++ b/wq.c
@@ -204,6 +204,15 @@ wq_end(void)
  popcli();
 }

+void
+wq_dump(void)
+{
+  int i;
+  for (i = 0; i < NCPU; i++)
+    cprintf("push %lu full %lu pop %lu steal %lu\n",
+            stat[i].push, stat[i].full, stat[i].pop, stat[i].steal);
+}
+
 static void
 __test_stub(uptr a0, uptr a1)
 {
@@ -228,9 +237,7 @@ testwq(void)
    wq_end();
    e = rdtsc();
    cprintf("testwq: %lu\n", (e-s)/iters);
-    for (i = 0; i < NCPU; i++)
-      cprintf("push %lu full %lu pop %lu steal %lu\n",
-              stat[i].push, stat[i].full, stat[i].pop, stat[i].steal);
+    wq_dump();
    running = 0;
  } else {
    while (running)