Increase number of per-cpu mheaps to 256

[vpp.git] / vlib / vlib / trace_funcs.h

diff --git a/vlib/vlib/trace_funcs.h b/vlib/vlib/trace_funcs.h
index 3dc7471..1da46b4 100644 (file)
--- a/vlib/vlib/trace_funcs.h
+++ b/vlib/vlib/trace_funcs.h
@@ -99,6 +99,8 @@ vlib_trace_next_frame (vlib_main_t * vm,
   nf->flags |= VLIB_FRAME_TRACE;
 }
 
+void trace_apply_filter (vlib_main_t * vm);
+
 /* Mark buffer as traced and allocate trace buffer. */
 always_inline void
 vlib_trace_buffer (vlib_main_t * vm,
@@ -110,6 +112,16 @@ vlib_trace_buffer (vlib_main_t * vm,
   vlib_trace_main_t * tm = &vm->trace_main;
   vlib_trace_header_t ** h;
 
+  /*
+   * Apply filter to existing traces to keep number of allocated traces low.
+   * Performed each time around the main loop.
+   */
+  if (tm->last_main_loop_count != vm->main_loop_count)
+    {
+      tm->last_main_loop_count = vm->main_loop_count;
+      trace_apply_filter (vm);
+    }
+
   vlib_trace_next_frame (vm, r, next_index);
 
   pool_get (tm->trace_buffer_pool, h);