commit 0744040564ece3f4b9fe39fcf857e466a5f68a72
author Donald Sharp <sharpd@cumulusnetworks.com> Thu Feb 25 07:39:45 2016 -0500
committer Paul Jakma <paul@quagga.net> Wed Jul 20 12:58:33 2016 +0100
tree dc0fca27a603d845d153cccb95fd5b21ffa6429d
parent 23757db11c5378521b7948847e17691f4fc35e0a

vtysh: Add ability to only look at one processes work queue

When examining performance information it is nice to not
have to look at daemons who you are not interested in.

Signed-off-by: Donald Sharp <sharpd@cumulusnetworks.com>
Reviewed-by: Don Slice <dslice@cumulusnetworks.com>
Tested-by: NetDEF CI System <cisystem@netdef.org>

vtysh/vtysh.c

diff --git a/vtysh/vtysh.c b/vtysh/vtysh.c
index 63b596a..69e9888 100644
--- a/vtysh/vtysh.c
+++ b/vtysh/vtysh.c
@@ -85,6 +85,19 @@
     }
 }
 
+/* Return true if str begins with prefix, else return false */
+static int
+begins_with(const char *str, const char *prefix)
+{
+  if (!str || !prefix)
+    return 0;
+  size_t lenstr = strlen(str);
+  size_t lenprefix = strlen(prefix);
+  if (lenprefix >  lenstr)
+    return 0;
+  return strncmp(str, prefix, lenprefix) == 0;
+}
+
 /* Following filled with debug code to trace a problematic condition
  * under load - it SHOULD handle it. */
 #define ERR_WHERE_STRING "vtysh(): vtysh_client_execute(): "
@@ -1404,6 +1417,33 @@
   return ret;
 }
 
+DEFUN (vtysh_show_work_queues_daemon,
+       vtysh_show_work_queues_daemon_cmd,
+       "show work-queues (zebra|ripd|ripngd|ospfd|ospf6d|bgpd|isisd)",
+       SHOW_STR
+       "Work Queue information\n"
+       "For the zebra daemon\n"
+       "For the rip daemon\n"
+       "For the ripng daemon\n"
+       "For the ospf daemon\n"
+       "For the ospfv6 daemon\n"
+       "For the bgp daemon\n"
+       "For the isis daemon\n")
+{
+  unsigned int i;
+  int ret = CMD_SUCCESS;
+
+  for (i = 0; i < array_size(vtysh_client); i++)
+    {
+      if (begins_with(vtysh_client[i].name, argv[0]))
+        break;
+    }
+
+  ret = vtysh_client_execute(&vtysh_client[i], "show work-queues\n", stdout);
+
+  return ret;
+}
+
 /* Memory */
 DEFUN (vtysh_show_memory,
        vtysh_show_memory_cmd,
@@ -2528,7 +2568,7 @@
   /* "write terminal" command. */
   install_element (ENABLE_NODE, &vtysh_write_terminal_cmd);
   install_element (ENABLE_NODE, &vtysh_write_terminal_daemon_cmd);
- 
+
   install_element (CONFIG_NODE, &vtysh_integrated_config_cmd);
   install_element (CONFIG_NODE, &no_vtysh_integrated_config_cmd);
 
@@ -2573,6 +2613,8 @@
 
   install_element (VIEW_NODE, &vtysh_show_work_queues_cmd);
   install_element (ENABLE_NODE, &vtysh_show_work_queues_cmd);
+  install_element (ENABLE_NODE, &vtysh_show_work_queues_daemon_cmd);
+  install_element (VIEW_NODE, &vtysh_show_work_queues_daemon_cmd);
 
   install_element (VIEW_NODE, &vtysh_show_thread_cmd);
   install_element (ENABLE_NODE, &vtysh_show_thread_cmd);