1 files changed, 10 insertions, 3 deletions

diff --git a/tools/perf/builtin-report.c b/tools/perf/builtin-report.c
index 9051f6bfaa7e..25d34d483e49 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