diff options
Diffstat (limited to 'tools/perf/builtin-trace.c')
| -rw-r--r-- | tools/perf/builtin-trace.c | 17 |
1 files changed, 16 insertions, 1 deletions
diff --git a/tools/perf/builtin-trace.c b/tools/perf/builtin-trace.c index d52dd2bad980..aa70602c2808 100644 --- a/tools/perf/builtin-trace.c +++ b/tools/perf/builtin-trace.c @@ -1574,6 +1574,19 @@ static int trace__read_syscall_info(struct trace *trace, int id) return syscall__set_arg_fmts(sc); } +static int perf_evsel__init_tp_arg_scnprintf(struct evsel *evsel) +{ + int nr_args = evsel->tp_format->format.nr_fields; + + evsel->priv = calloc(nr_args, sizeof(struct syscall_arg_fmt)); + if (evsel->priv != NULL) { + syscall_arg_fmt__init_array(evsel->priv, evsel->tp_format->format.fields); + return 0; + } + + return -ENOMEM; +} + static int intcmp(const void *a, const void *b) { const int *one = a, *another = b; @@ -3936,8 +3949,10 @@ static int evlist__set_syscall_tp_fields(struct evlist *evlist) if (evsel->priv || !evsel->tp_format) continue; - if (strcmp(evsel->tp_format->system, "syscalls")) + if (strcmp(evsel->tp_format->system, "syscalls")) { + perf_evsel__init_tp_arg_scnprintf(evsel); continue; + } if (perf_evsel__init_syscall_tp(evsel)) return -1; |