diff options
| -rw-r--r-- | tools/perf/builtin-stat.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/tools/perf/builtin-stat.c b/tools/perf/builtin-stat.c index d5e1670bca20..1d79801f4e84 100644 --- a/tools/perf/builtin-stat.c +++ b/tools/perf/builtin-stat.c @@ -2403,6 +2403,14 @@ int cmd_stat(int argc, const char **argv) } } + if (stat_config.interval_clear && !isatty(fileno(output))) { + fprintf(stderr, "--interval-clear does not work with output\n"); + parse_options_usage(stat_usage, stat_options, "o", 1); + parse_options_usage(NULL, stat_options, "log-fd", 0); + parse_options_usage(NULL, stat_options, "interval-clear", 0); + return -1; + } + stat_config.output = output; /* |