perf tools: Factor eprintf to allow different debug variables

This way we can easily reuse current debug functions for another debug
variables other than verbose.
Signed-off-by: Jiri Olsa <jolsa@kernel.org>

Cc: Corey Ashford <cjashfor@linux.vnet.ibm.com>
Cc: David Ahern <dsahern@gmail.com>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Link: http://lkml.kernel.org/r/1405374411-29012-4-git-send-email-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
diff --git a/tools/perf/util/python.c b/tools/perf/util/python.c
index 122669c..12aa9b0 100644
--- a/tools/perf/util/python.c
+++ b/tools/perf/util/python.c
@@ -14,12 +14,12 @@
  */
 int verbose;
 
-int eprintf(int level, const char *fmt, ...)
+int eprintf(int level, int var, const char *fmt, ...)
 {
 	va_list args;
 	int ret = 0;
 
-	if (verbose >= level) {
+	if (var >= level) {
 		va_start(args, fmt);
 		ret = vfprintf(stderr, fmt, args);
 		va_end(args);