stats: allow configuring poller delay

This introduces a startup config option for configuring stats poller delay.

Use `stats { interval <seconds> }` to configure the delay at startup.

The default value remains unchanged - 10 seconds.

Change-Id: If12cb1f7f6f1f8ecfa461561bc77847cdf260388
Signed-off-by: Klement Sekera <ksekera@cisco.com>

1 files changed, 22 insertions, 0 deletions

diff --git a/src/vpp/stats/stats.api b/src/vpp/stats/stats.api
index 2913d242d19..79816dbe83e 100644
--- a/src/vpp/stats/stats.api
+++ b/src/vpp/stats/stats.api
@@ -414,6 +414,28 @@ define vnet_get_summary_stats_reply
   f64 vector_rate;
 };
 
+/** \brief Get delay between polling statistics
+    @param client_index - opaque cookie to identify the sender
+    @param context - sender context, to match reply w/ request
+*/
+define stats_get_poller_delay
+{
+  u32 client_index;
+  u32 context;
+};
+
+/** \brief Get delay between polling statistics reply
+    @param context - sender context, to match reply w/ request
+    @param retval - return code for request
+    @param delay - poller delay
+*/
+define stats_get_poller_delay_reply
+{
+  u32 context;
+  i32 retval;
+  u32 delay;
+};
+
 /*
  * Local Variables:
  * eval: (c-set-style "gnu")