Update email address from @polymtl.ca to @efficios.com
[urcu.git] / tests / test_perthreadlock.c
index e47315b555f29392cf35bbcb92c36f36bf1cf676..7862f62e3aa03aa774906d19f04cc489b0ea33bf 100644 (file)
@@ -3,7 +3,7 @@
  *
  * Userspace RCU library - test program
  *
- * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@polymtl.ca>
+ * Copyright February 2009 - Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
  *
  * This program is free software; you can redistribute it and/or modify
  * it under the terms of the GNU General Public License as published by
@@ -83,6 +83,9 @@ static unsigned long duration;
 /* read-side C.S. duration, in loops */
 static unsigned long rduration;
 
+/* write-side C.S. duration, in loops */
+static unsigned long wduration;
+
 static inline void loop_sleep(unsigned long l)
 {
        while(l-- != 0)
@@ -239,6 +242,8 @@ void *thr_writer(void *data)
                }
                test_array.a = 0;
                test_array.a = 8;
+               if (unlikely(wduration))
+                       loop_sleep(wduration);
                for (tidx = (long)nr_readers - 1; tidx >= 0; tidx--) {
                        pthread_mutex_unlock(&per_thread_lock[tidx].lock);
                }
@@ -263,6 +268,7 @@ void show_usage(int argc, char **argv)
 #endif
        printf(" [-d delay] (writer period (us))");
        printf(" [-c duration] (reader C.S. duration (in loops))");
+       printf(" [-e duration] (writer C.S. duration (in loops))");
        printf(" [-v] (verbose output)");
        printf(" [-a cpu#] [-a cpu#]... (affinity)");
        printf("\n");
@@ -337,6 +343,13 @@ int main(int argc, char **argv)
                        }
                        wdelay = atol(argv[++i]);
                        break;
+               case 'e':
+                       if (argc < i + 2) {
+                               show_usage(argc, argv);
+                               return -1;
+                       }
+                       wduration = atol(argv[++i]);
+                       break;
                case 'v':
                        verbose_mode = 1;
                        break;
@@ -396,10 +409,10 @@ int main(int argc, char **argv)
 
        printf_verbose("total number of reads : %llu, writes %llu\n", tot_reads,
               tot_writes);
-       printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu "
+       printf("SUMMARY %-25s testdur %4lu nr_readers %3u rdur %6lu wdur %6lu "
                "nr_writers %3u "
                "wdelay %6lu nr_reads %12llu nr_writes %12llu nr_ops %12llu\n",
-               argv[0], duration, nr_readers, rduration,
+               argv[0], duration, nr_readers, rduration, wduration,
                nr_writers, wdelay, tot_reads, tot_writes,
                tot_reads + tot_writes);
 
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