tracing: Increase SYNTH_FIELDS_MAX for synthetic_events

Increase the maximum allowed count of synthetic event fields from 16 to 32
in order to allow for larger-than-usual events.

Link: http://lkml.kernel.org/r/20191115091730.9192-1-dedekind1@gmail.com
Reviewed-by: Tom Zanussi <tom.zanussi@linux.intel.com>
Signed-off-by: Artem Bityutskiy <artem.bityutskiy@linux.intel.com>
Signed-off-by: Steven Rostedt (VMware) <rostedt@goodmis.org>

diff --git a/kernel/trace/trace_events_hist.c b/kernel/trace/trace_events_hist.c
index 7482a14..f49d1a3 100644 (file)
--- a/kernel/trace/trace_events_hist.c
+++ b/kernel/trace/trace_events_hist.c
@@ -23,7 +23,7 @@
 #include "trace_dynevent.h"
 
 #define SYNTH_SYSTEM           "synthetic"
-#define SYNTH_FIELDS_MAX       16
+#define SYNTH_FIELDS_MAX       32
 
 #define STR_VAR_LEN_MAX                32 /* must be multiple of sizeof(u64) */