Add support for wastedcores trace

Makefile

@@ -18,6 +18,9 @@ submodules:
 	make -Cbenchmarks/phoenix/phoenix-2.0
 	make -C. build-parsec
 
+wastedcores: submodules
+	cd tools/wastedcores/tools/visualizations_4.1/sched_profiler; make
+
 .PHONY: build-parsec
 build-parsec: build-bodytrack build-streamcluster build-volrend #build-vips
 

exp/run

@@ -7,6 +7,7 @@ export TMPFS_PATH=$BENCH_PATH/tmpfs
 
 export TRACE_BASE_PREFIX="sudo trace-cmd record -e sched"
 export PERF_BASE_PREFIX="sudo perf record -e sched:sched_migrate_task,sched:sched_switch --call-graph dwarf -F 99"
+export SCHED_PROFILER_MOD_PATH=tools/wastedcores/tools/visualizations_4.1/sched_profiler/sched_profiler.ko
 
 export PINTHREADS_PATH=$HOME/bench/tools/PinThreads
 export PINTHREADS_BIN=$PINTHREADS_PATH/pinthreads
@@ -217,8 +218,16 @@ run_iterations() {
         echo "#### $cmd" >$iteration_dir/command
 
         cat /proc/schedstat >$iteration_dir/schedstat.before
+	if [[ -n $WITH_WC_VISU ]]; then
+	    sudo insmod $SCHED_PROFILER_MOD_PATH
+	fi
         eval "$cmd" 1>>$output 2>>$errors
 	echo "$?" >$iteration_dir/exit_status
+	if [[ -n $WITH_WC_VISU ]]; then
+	    cat /proc/sched_profiler > $iteration_dir/sched_profiler.output
+	    sudo rmmod $SCHED_PROFILER_MOD_PATH
+	fi
+
         cat /proc/schedstat >$iteration_dir/schedstat.after
 
         printf '.'