vtysh: Add missing show thread/work-queues commands

'show thread cpu ..' and 'show work-queues' are missing
from vtysh, but are available from telnet.

This commit adds these commands to the vtysh interface.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
diff --git a/vtysh/vtysh.c b/vtysh/vtysh.c
index 04ac550..91791e2 100644
--- a/vtysh/vtysh.c
+++ b/vtysh/vtysh.c
@@ -1349,6 +1349,52 @@
        "quit",
        "Exit current mode and down to previous mode\n")
 
+DEFUN (vtysh_show_thread,
+       vtysh_show_thread_cmd,
+       "show thread cpu [FILTER]",
+      SHOW_STR
+      "Thread information\n"
+      "Thread CPU usage\n"
+      "Display filter (rwtexb)\n")
+{
+  unsigned int i;
+  int ret = CMD_SUCCESS;
+  char line[100];
+
+  sprintf(line, "show thread cpu %s\n", (argc == 1) ? argv[0] : "");
+  for (i = 0; i < array_size(vtysh_client); i++)
+    if ( vtysh_client[i].fd >= 0 )
+      {
+        fprintf (stdout, "Thread statistics for %s:\n",
+                 vtysh_client[i].name);
+        ret = vtysh_client_execute (&vtysh_client[i], line, stdout);
+        fprintf (stdout,"\n");
+      }
+  return ret;
+}
+
+DEFUN (vtysh_show_work_queues,
+       vtysh_show_work_queues_cmd,
+       "show work-queues",
+       SHOW_STR
+       "Work Queue information\n")
+{
+  unsigned int i;
+  int ret = CMD_SUCCESS;
+  char line[] = "show work-queues\n";
+
+  for (i = 0; i < array_size(vtysh_client); i++)
+    if ( vtysh_client[i].fd >= 0 )
+      {
+        fprintf (stdout, "Work queue statistics for %s:\n",
+                 vtysh_client[i].name);
+        ret = vtysh_client_execute (&vtysh_client[i], line, stdout);
+        fprintf (stdout,"\n");
+      }
+
+  return ret;
+}
+
 /* Memory */
 DEFUN (vtysh_show_memory,
        vtysh_show_memory_cmd,
@@ -2450,6 +2496,12 @@
   install_element (VIEW_NODE, &vtysh_show_memory_cmd);
   install_element (ENABLE_NODE, &vtysh_show_memory_cmd);
 
+  install_element (VIEW_NODE, &vtysh_show_work_queues_cmd);
+  install_element (ENABLE_NODE, &vtysh_show_work_queues_cmd);
+
+  install_element (VIEW_NODE, &vtysh_show_thread_cmd);
+  install_element (ENABLE_NODE, &vtysh_show_thread_cmd);
+
   /* Logging */
   install_element (ENABLE_NODE, &vtysh_show_logging_cmd);
   install_element (VIEW_NODE, &vtysh_show_logging_cmd);