From: Eduardo Ramos Testillano <eduardo.ramos.testillano@gmail.com>
Date: Fri, 25 Jul 2014 14:03:00 +0000 (+0200)
Subject: hardwareClock fixed
X-Git-Tag: REFACTORING_TESTING_LIBRARY~244
X-Git-Url: https://git.teslayout.com/public/public/public/?a=commitdiff_plain;h=307e1038b1ed9aa9274abd5ac7eb7086ad5e363b;p=anna.git

hardwareClock fixed
---

diff --git a/include/anna/core/functions.hpp b/include/anna/core/functions.hpp
index 512499d..ebe12d8 100644
--- a/include/anna/core/functions.hpp
+++ b/include/anna/core/functions.hpp
@@ -441,7 +441,14 @@ struct functions {
   */
   static Microsecond hardwareClock() throw() {
     timespec ts;
-    clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts);
+    //clock_gettime(CLOCK_PROCESS_CPUTIME_ID, &ts); // DONT works (original)
+    //clock_gettime(CLOCK_THREAD_CPUTIME_ID, &ts); // DONT works
+    //clock_gettime(CLOCK_MONOTONIC, &ts); // works
+      // Note that CLOCK_MONOTONIC is subject to discontinuities from system time
+      //  adjustment in Linux. CLOCK_MONOTONIC_RAW was defined to get around this
+      //  (gets hardware time not adjusted by NTP).
+    clock_gettime(CLOCK_MONOTONIC_RAW, &ts); // works
+
     Microsecond result((Microsecond::type_t)1000000 * ts.tv_sec + ts.tv_nsec / 1000);
     return result;
   }