rculfqueue: LGPL-ize

[urcu.git] / tests / test_qsbr.c

diff --git a/tests/test_qsbr.c b/tests/test_qsbr.c
index 7a68ae836af6a1d7e045da7c476f6d7f6e807cb2..0101907b41071128aed9d5e91340e09551d82459 100644 (file)
--- a/tests/test_qsbr.c
+++ b/tests/test_qsbr.c
@@ -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
@@ -77,6 +77,9 @@ 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)
@@ -248,6 +251,10 @@ void *thr_reader(void *_count)
 
        rcu_unregister_thread();
 
+       /* test extra thread registration */
+       rcu_register_thread();
+       rcu_unregister_thread();
+
        *count = nr_reads;
        printf_verbose("thread_end %s, thread id : %lx, tid %lu\n",
                        "reader", pthread_self(), (unsigned long)gettid());
@@ -274,6 +281,8 @@ void *thr_writer(void *_count)
                new = test_array_alloc();
                new->a = 8;
                old = rcu_xchg_pointer(&test_rcu_pointer, new);
+               if (unlikely(wduration))
+                       loop_sleep(wduration);
                synchronize_rcu();
                /* can be done after unlock */
                if (old)
@@ -300,6 +309,7 @@ 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");
@@ -373,6 +383,13 @@ 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;
@@ -430,10 +447,10 @@ 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);
        test_array_free(test_rcu_pointer);