dct_launcher.py: fixed valgrind support

Signed-off-by: Nicola Vigano <vigano@yoda.esrf.fr>

zUtil_Python/dct_matlab_invocation.py

@@ -78,16 +78,20 @@ class DCTMatlabInvocation(object):
             env_var = os.environ["LD_PRELOAD"]
             os.environ["LD_PRELOAD"] = ":".join([lib, env_var])
 
+        if debugger == "valgrind":
+            os.environ["MALLOC_CHECK_"] = "1"
+
         cmd = []
         if profiler == "cuda":
             cmd = cmd + ["/usr/local/cuda/bin/nvprof", "-f", "-o", "profile_cuda_matlab_script"] #, "--analysis-metrics"
-        if debugger == "valgrind":
-            cmd = cmd + ["valgrind", "--log-file=memcheck_matlab_script"] #, "--leak-check=yes"
         cmd = cmd + [os.path.join(self.conf.getMatlabPath(), "bin", "matlab")]
 
         cmd = cmd + self.conf.getMatlabOptions()
         cmd = cmd + self.args
 
+        if debugger == "valgrind":
+            cmd = cmd + ["-Dvalgrind --error-limit=no --log-file=memcheck_matlab_script.log"] # --leak-check=yes
+
         cmd.append("-r")
 
         ignore_id19 = self.conf.getIgnoreID19()