make mt-peers use optional logfile

diff --git a/xseg/peers/user/mpeer.c b/xseg/peers/user/mpeer.c
index c900cf1..bb05edb 100644 (file)
--- a/xseg/peers/user/mpeer.c
+++ b/xseg/peers/user/mpeer.c
@@ -460,10 +460,11 @@ int main(int argc, char *argv[])
        uint32_t nr_threads = 16 ;
        unsigned int debug_level = 0;
        uint32_t defer_portno = NoPort;
-       
+       char *logfile = NULL;
+
        //capture here -g spec, -n nr_ops, -p portno, -t nr_threads -v verbose level
        // -dp xseg_portno to defer blocking requests
-       //maybe -l log file ?
+       // -l log file ?
        //TODO print messages on arg parsing error
        
        for (i = 1; i < argc; i++) {
@@ -499,9 +500,14 @@ int main(int argc, char *argv[])
                        i += 1;
                        continue;
                }
+               if (!strcmp(argv[i], "-l") && i + 1 < argc ) {
+                       logfile = argv[i+1];
+                       i += 1;
+                       continue;
+               }
 
        }
-       init_logctx(&lc, argv[0], debug_level, NULL);
+       init_logctx(&lc, argv[0], debug_level, logfile);
        XSEGLOG2(&lc, D, "Main thread has tid %ld.\n", syscall(SYS_gettid));
        
        //TODO perform argument sanity checks