tools lib traceevent: Handle %z in bprint format

The %z printf specifier was not handled making trace_printk()s in the
kernel that used this break on output.

Reported-by: Shawn Bohrer <shawn.bohrer@gmail.com>
Signed-off-by: Steven Rostedt <rostedt@goodmis.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Jiri Olsa <jolsa@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Shawn Bohrer <shawn.bohrer@gmail.com>
Link: http://lkml.kernel.org/r/20150324135922.844361717@goodmis.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

1 files changed, 4 insertions, 0 deletions

diff --git a/tools/lib/traceevent/event-parse.c b/tools/lib/traceevent/event-parse.c
index e71c472d6a81..bdb1dd618e0e 100644
--- a/tools/lib/traceevent/event-parse.c
+++ b/tools/lib/traceevent/event-parse.c
@@ -4008,6 +4008,10 @@ static struct print_arg *make_bprint_args(char *fmt, void *data, int size, struc
                                 goto process_again;
                         case '.':
                                 goto process_again;
+                        case 'z':
+                        case 'Z':
+                                ls = 1;
+                                goto process_again;
                         case 'p':
                                 ls = 1;
                                 /* fall through */