diff options
Diffstat (limited to 'tools/perf/util/session.c')
| -rw-r--r-- | tools/perf/util/session.c | 18 |
1 files changed, 14 insertions, 4 deletions
diff --git a/tools/perf/util/session.c b/tools/perf/util/session.c index d9318d8a9ba1..b5ca2558c7bb 100644 --- a/tools/perf/util/session.c +++ b/tools/perf/util/session.c @@ -107,8 +107,19 @@ struct perf_session *perf_session__new(const char *filename, int mode, bool force, bool repipe, struct perf_tool *tool) { - size_t len = filename ? strlen(filename) + 1 : 0; - struct perf_session *self = zalloc(sizeof(*self) + len); + struct perf_session *self; + struct stat st; + size_t len; + + if (!filename || !strlen(filename)) { + if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode)) + filename = "-"; + else + filename = "perf.data"; + } + + len = strlen(filename); + self = zalloc(sizeof(*self) + len); if (self == NULL) goto out; @@ -1004,8 +1015,7 @@ more: } } - if (size == 0 || - (skip = perf_session__process_event(self, &event, tool, head)) < 0) { + if ((skip = perf_session__process_event(self, &event, tool, head)) < 0) { dump_printf("%#" PRIx64 " [%#x]: skipping unknown header type: %d\n", head, event.header.size, event.header.type); /* |