QPID-5865: Be more robust in face of system clock being changed:

- Separate Wall clock time uses from other time
  * (assumed that any time with respect to the epoch is wallclock)
- For Posix use CLOCK_MONOTONIC for all non wall clock purposes
  so that changing system time doesn't affect internal timekeeping
- For Windows kept the same time keeping scheme.

git-svn-id: https://svn.apache.org/repos/asf/qpid/trunk@1607140 13f79535-47bb-0310-9956-ffa450edef68

1 files changed, 1 insertions, 1 deletions

diff --git a/qpid/cpp/src/tests/Statistics.cpp b/qpid/cpp/src/tests/Statistics.cpp
index 19531762b1..7cacde8b74 100644
--- a/qpid/cpp/src/tests/Statistics.cpp
+++ b/qpid/cpp/src/tests/Statistics.cpp
@@ -64,7 +64,7 @@ void ThroughputAndLatency::message(const messaging::Message& m) {
     if (i != m.getProperties().end()) {
         ++samples;
         int64_t start(i->second.asInt64());
-        int64_t end(sys::Duration(sys::EPOCH, sys::now()));
+        int64_t end(sys::Duration::FromEpoch());
         double latency = double(end - start)/sys::TIME_MSEC;
         if (latency > 0) {
             total += latency;