trex experiment

Signed-off-by: Peter Mikus <peter.mikus@icloud.com>
Change-Id: I0efc88f85010ea5eed56ae34d7104d74ccedfa35

Author: Peter Mikus

resources/libraries/bash/function/common.sh

@@ -1161,7 +1161,7 @@ function set_environment_variables () {
             export TREX_CORE_COUNT=14
             ;;
         *"-x-2n"* | *"-x-3n"* )
-            export TREX_CORE_COUNT=14
+            export TREX_CORE_COUNT=6
             export TREX_PORT_MTU=9000
             # Be gentle on infra.
             export INFRA_WARMUP_DURATION=5