tracing on start option

Change-Id: Ie7a85da4fd865fbabd6b38ac1d12977ff2684114


[ROCm/rocprofiler commit: b0d56ba0eb]

projects/rocprofiler/bin/rpl_run.sh

@@ -179,6 +179,7 @@ usage() {
   echo "        </parameters>"
   echo "      </trace>"
   echo ""
+  echo "  --trace-start <on|off> - to enable tracing on start [on]"
   echo "  --trace-period <dealy:length:rate> - to enable trace with initial delay, with periodic sample length and rate"
   echo "    Supported time formats: <number(m|s|ms|us)>"
   echo "  --obj-tracking <on|off> - to turn on/off kernels code objects tracking [off]"
@@ -393,6 +394,10 @@ while [ 1 ] ; do
     export ROCP_TIMESTAMP_ON=1
     GEN_STATS=1
     HIP_TRACE=1
+  elif [ "$1" = "--trace-start" ] ; then
+    if [ "$2" = "off" ] ; then
+      export ROCP_CTRL_RATE="-1"
+    fi
   elif [ "$1" = "--trace-period" ] ; then
     period_expr="^\([^:]*\):\([^:]*\):\([^:]*\)$"
     period_ck=`echo "$2" | sed -n "s/"${period_expr}"/ok/p"`