diff options
Diffstat (limited to 'tools/perf/util/trace-event-read.c')
| -rw-r--r-- | tools/perf/util/trace-event-read.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/tools/perf/util/trace-event-read.c b/tools/perf/util/trace-event-read.c index a1217a10632f..342dfdd43f87 100644 --- a/tools/perf/util/trace-event-read.c +++ b/tools/perf/util/trace-event-read.c @@ -458,29 +458,28 @@ struct record *trace_read_data(int cpu) return data; } -void trace_report (void) +void trace_report(int fd) { - const char *input_file = "trace.info"; char buf[BUFSIZ]; char test[] = { 23, 8, 68 }; char *version; + int show_version = 0; int show_funcs = 0; int show_printk = 0; - input_fd = open(input_file, O_RDONLY); - if (input_fd < 0) - die("opening '%s'\n", input_file); + input_fd = fd; read_or_die(buf, 3); if (memcmp(buf, test, 3) != 0) - die("not an trace data file"); + die("no trace data in the file"); read_or_die(buf, 7); if (memcmp(buf, "tracing", 7) != 0) - die("not a trace file (missing tracing)"); + die("not a trace file (missing 'tracing' tag)"); version = read_string(); - printf("version = %s\n", version); + if (show_version) + printf("version = %s\n", version); free(version); read_or_die(buf, 1); |