Changeset 7222a65 in rtems

Timestamp:

06/21/16 07:45:39 (7 years ago)

Author:

Sebastian Huber <sebastian.huber@…>

Branches:

5, master

Children:

4c927c79

Parents:

fa239ff2

git-author:

Sebastian Huber <sebastian.huber@…> (06/21/16 07:45:39)

git-committer:

Sebastian Huber <sebastian.huber@…> (06/21/16 13:54:18)

Message:

sptests/spcpucounter01: Resurrect workaround

Resurrect workaround accidentially removed by
3e2a3c49480b9888362d016dd202edd562d9e069.

File:

• testsuites/sptests/spcpucounter01/init.c (modified) (3 diffs)

testsuites/sptests/spcpucounter01/init.c

@@ -159 +159 @@
 }
 
+static uint64_t large_delta_to_ns(rtems_counter_ticks d)
+{
+  uint64_t ns;
+
+  ns = rtems_counter_ticks_to_nanoseconds(d);
+
+  /* Special case for CPU counters using the clock driver counter */
+  if (ns < rtems_configuration_get_nanoseconds_per_tick()) {
+    printf(
+      "warning: the RTEMS counter seems to be unable to\n"
+      "  measure intervals greater than the clock tick interval\n"
+    );
+
+    ns += rtems_configuration_get_nanoseconds_per_tick();
+  }
+
+  return ns;
+}
+
 static void test_report(test_context *ctx)
 {
@@ -170 +189 @@
   for (i = 0; i < N; ++i) {
     d = rtems_counter_difference(ctx->delay_ns_t[i][1], ctx->delay_ns_t[i][0]);
-    ns = rtems_counter_ticks_to_nanoseconds(d);
+    ns = large_delta_to_ns(d);
 
     printf(
@@ -187 +206 @@
       ctx->delay_ticks_t[i][0]
     );
-    ns = rtems_counter_ticks_to_nanoseconds(d);
+    ns = large_delta_to_ns(d);
 
     printf(