parse-events: Allow '*' and '/' operations in TP_printk

Add multiply and divide operations in the printk format.

Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Ingo Molnar <mingo@kernel.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Arnaldo Carvalho de Melo <acme@infradead.org>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Borislav Petkov <bp@alien8.de>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Arun Sharma <asharma@fb.com>
Cc: Namhyung Kim <namhyung.kim@lge.com>
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>

1 files changed, 6 insertions, 0 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index 476626af7317..876b2720253d 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -3130,6 +3130,12 @@ eval_num_arg(void *data, int size, struct event_format *event, struct print_arg
                 case '+':
                         val = left + right;
                         break;
+                case '/':
+                        val = left / right;
+                        break;
+                case '*':
+                        val = left * right;
+                        break;
                 default:
                         die("unknown op '%s'", arg->op.op);
                 }