diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d754a74aef46..4d97bdac205c 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -127,6 +127,7 @@ struct trace { bool show_tool_stats; bool trace_syscalls; bool kernel_syscallchains; + bool show_zeros; bool force; bool vfs_getname; int trace_pgfaults; @@ -1598,6 +1599,7 @@ static size_t syscall__scnprintf_args(struct syscall *sc, char *bf, size_t size, * strarray for it. */ if (val == 0 && + !trace->show_zeros && !(sc->arg_fmt && (sc->arg_fmt[arg.idx].show_zero || sc->arg_fmt[arg.idx].scnprintf == SCA_STRARRAY || @@ -3526,14 +3528,16 @@ static void trace__set_bpf_map_syscalls(struct trace *trace) static int trace__config(const char *var, const char *value, void *arg) { + struct trace *trace = arg; int err = 0; if (!strcmp(var, "trace.add_events")) { - struct trace *trace = arg; struct option o = OPT_CALLBACK('e', "event", &trace->evlist, "event", "event selector. use 'perf list' to list available events", parse_events_option); err = parse_events_option(&o, value, 0); + } else if (!strcmp(var, "trace.show_zeros")) { + trace->show_zeros = perf_config_bool(var, value); } return err; |