libperf rc_check: Enable implicitly with sanitizers

If using leak sanitizer then implicitly enable reference count checking.

Signed-off-by: Ian Rogers <irogers@google.com>
Cc: Adrian Hunter <adrian.hunter@intel.com>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Ingo Molnar <mingo@redhat.com>
Cc: Jiri Olsa <jolsa@kernel.org>
Cc: Mark Rutland <mark.rutland@arm.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: https://lore.kernel.org/r/20230420171812.561603-1-irogers@google.com
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/lib/perf/include/internal/rc_check.h b/tools/lib/perf/include/internal/rc_check.h
index c0626d8beb59a9c3a5c47ae82837bc13b01782ba..d5d771ccdc7b4e23c4fbf95478f062808a9d8981 100644 (file)
--- a/tools/lib/perf/include/internal/rc_check.h
+++ b/tools/lib/perf/include/internal/rc_check.h
@@ -5,6 +5,14 @@
 #include <stdlib.h>
 #include <linux/zalloc.h>
 
+/*
+ * Enable reference count checking implicitly with leak checking, which is
+ * integrated into address sanitizer.
+ */
+#if defined(LEAK_SANITIZER) || defined(ADDRESS_SANITIZER)
+#define REFCNT_CHECKING 1
+#endif
+
 /*
  * Shared reference count checking macros.
  *