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Diffstat (limited to 'tools/perf/builtin-report.c')
-rw-r--r--tools/perf/builtin-report.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 9051f6bfaa7..25d34d483e4 100644
--- a/tools/perf/builtin-report.c
+++ b/tools/perf/builtin-report.c
@@ -321,8 +321,7 @@ static int __cmd_report(struct perf_report *rep)
}
if (nr_samples == 0) {
- ui__warning("The %s file has no samples!\n",
- rep->input_name);
+ ui__warning("The %s file has no samples!\n", session->filename);
goto out_delete;
}
@@ -430,6 +429,7 @@ setup:
int cmd_report(int argc, const char **argv, const char *prefix __used)
{
+ struct stat st;
char callchain_default_opt[] = "fractal,0.5,callee";
const char * const report_usage[] = {
"perf report [<options>]",
@@ -451,7 +451,6 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
.ordered_samples = true,
.ordering_requires_timestamps = true,
},
- .input_name = "perf.data",
.pretty_printing_style = "normal",
};
const struct option options[] = {
@@ -531,10 +530,18 @@ int cmd_report(int argc, const char **argv, const char *prefix __used)
if (report.inverted_callchain)
callchain_param.order = ORDER_CALLER;
+ if (!report.input_name || !strlen(report.input_name)) {
+ if (!fstat(STDIN_FILENO, &st) && S_ISFIFO(st.st_mode))
+ report.input_name = "-";
+ else
+ report.input_name = "perf.data";
+ }
+
if (strcmp(report.input_name, "-") != 0)
setup_browser(true);
else
use_browser = 0;
+
/*
* Only in the newt browser we are doing integrated annotation,
* so don't allocate extra space that won't be used in the stdio