1 files changed, 11 insertions, 1 deletions

diff --git a/trace-read.c b/trace-read.c
index 76f5b7b..ca6661e 100644
--- a/trace-read.c
+++ b/trace-read.c
@@ -51,7 +51,8 @@ static struct event_filter *event_filter_out;
 
 static unsigned int page_size;
 static int input_fd;
-const char *input_file = "trace.dat";
+const char *default_input_file = "trace.dat";
+const char *input_file;
 
 static int filter_cpu = -1;
 
@@ -632,6 +633,15 @@ void trace_report (int argc, char **argv)
                 }
         }
 
+        if ((argc - optind) >= 2) {
+                if (input_file)
+                        usage(argv);
+                input_file = argv[optind + 1];
+        }
+
+        if (!input_file)
+                input_file = default_input_file;
+
         handle = read_trace_header();
         if (!handle)
                 die("error reading header");