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-rw-r--r--tools/perf/builtin-trace.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c
index 32778a621a08..b842bd93457f 100644
--- a/tools/perf/builtin-trace.c
+++ b/tools/perf/builtin-trace.c
@@ -604,6 +604,7 @@ static size_t syscall_arg__scnprintf_getrandom_flags(char *bf, size_t size,
struct syscall_arg_fmt {
size_t (*scnprintf)(char *bf, size_t size, struct syscall_arg *arg);
void *parm;
+ bool show_zero;
};
static struct syscall_fmt {
@@ -1428,7 +1429,8 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size,
*/
if (val == 0 &&
!(sc->arg_fmt &&
- (sc->arg_fmt[arg.idx].scnprintf == SCA_STRARRAY ||
+ (sc->arg_fmt[arg.idx].show_zero ||
+ sc->arg_fmt[arg.idx].scnprintf == SCA_STRARRAY ||
sc->arg_fmt[arg.idx].scnprintf == SCA_STRARRAYS) &&
sc->arg_fmt[arg.idx].parm))
continue;