Ruby: Remove RubyEventQueue

This patch removes RubyEventQueue. Consumer objects now rely on RubySystem
or themselves for scheduling events.

4 files changed, 31 insertions, 21 deletions

diff --git a/src/mem/ruby/profiler/Profiler.cc b/src/mem/ruby/profiler/Profiler.cc
index c3c337a3c..2ab68d249 100644
--- a/src/mem/ruby/profiler/Profiler.cc
+++ b/src/mem/ruby/profiler/Profiler.cc
@@ -67,7 +67,7 @@ static double process_memory_total();
 static double process_memory_resident();
 
 Profiler::Profiler(const Params *p)
-    : SimObject(p)
+    : SimObject(p), m_event(this)
 {
     m_inst_profiler_ptr = NULL;
     m_address_profiler_ptr = NULL;
@@ -113,13 +113,13 @@ Profiler::wakeup()
 
     for (int i = 0; i < m_num_of_sequencers; i++) {
         perProcCycleCount[i] =
-            g_system_ptr->getCycleCount(i) - m_cycles_executed_at_start[i] + 1;
+            g_system_ptr->getTime() - m_cycles_executed_at_start[i] + 1;
         // The +1 allows us to avoid division by zero
     }
 
     ostream &out = *m_periodic_output_file_ptr;
 
-    out << "ruby_cycles: " << g_eventQueue_ptr->getTime()-m_ruby_start << endl
+    out << "ruby_cycles: " << g_system_ptr->getTime()-m_ruby_start << endl
         << "mbytes_resident: " << process_memory_resident() << endl
         << "mbytes_total: " << process_memory_total() << endl;
 
@@ -137,7 +137,7 @@ Profiler::wakeup()
     }
 
     //g_system_ptr->getNetwork()->printStats(out);
-    g_eventQueue_ptr->scheduleEvent(this, m_stats_period);
+    schedule(m_event, curTick() + m_stats_period * g_system_ptr->getClock());
 }
 
 void
@@ -151,7 +151,7 @@ Profiler::setPeriodicStatsFile(const string& filename)
     }
 
     m_periodic_output_file_ptr = new ofstream(filename.c_str());
-    g_eventQueue_ptr->scheduleEvent(this, 1);
+    schedule(m_event, curTick() + g_system_ptr->getClock());
 }
 
 void
@@ -161,7 +161,7 @@ Profiler::setPeriodicStatsInterval(integer_t period)
          << " Ruby cycles" << endl;
 
     m_stats_period = period;
-    g_eventQueue_ptr->scheduleEvent(this, 1);
+    schedule(m_event, curTick() + g_system_ptr->getClock());
 }
 
 void
@@ -185,7 +185,7 @@ Profiler::printStats(ostream& out, bool short_stats)
     double minutes = seconds / 60.0;
     double hours = minutes / 60.0;
     double days = hours / 24.0;
-    Time ruby_cycles = g_eventQueue_ptr->getTime()-m_ruby_start;
+    Time ruby_cycles = g_system_ptr->getTime()-m_ruby_start;
 
     if (!short_stats) {
         out << "Elapsed_time_in_seconds: " << seconds << endl;
@@ -208,7 +208,7 @@ Profiler::printStats(ostream& out, bool short_stats)
     out << "Virtual_time_in_days:    " << days << endl;
     out << endl;
 
-    out << "Ruby_current_time: " << g_eventQueue_ptr->getTime() << endl;
+    out << "Ruby_current_time: " << g_system_ptr->getTime() << endl;
     out << "Ruby_start_time: " << m_ruby_start << endl;
     out << "Ruby_cycles: " << ruby_cycles << endl;
     out << endl;
@@ -227,7 +227,7 @@ Profiler::printStats(ostream& out, bool short_stats)
 
     for (int i = 0; i < m_num_of_sequencers; i++) {
         perProcCycleCount[i] =
-            g_system_ptr->getCycleCount(i) - m_cycles_executed_at_start[i] + 1;
+            g_system_ptr->getTime() - m_cycles_executed_at_start[i] + 1;
         // The +1 allows us to avoid division by zero
     }
 
@@ -437,14 +437,14 @@ Profiler::printResourceUsage(ostream& out) const
 void
 Profiler::clearStats()
 {
-    m_ruby_start = g_eventQueue_ptr->getTime();
+    m_ruby_start = g_system_ptr->getTime();
 
     m_cycles_executed_at_start.resize(m_num_of_sequencers);
     for (int i = 0; i < m_num_of_sequencers; i++) {
         if (g_system_ptr == NULL) {
             m_cycles_executed_at_start[i] = 0;
         } else {
-            m_cycles_executed_at_start[i] = g_system_ptr->getCycleCount(i);
+            m_cycles_executed_at_start[i] = g_system_ptr->getTime();
         }
     }
 
@@ -524,7 +524,7 @@ Profiler::clearStats()
     //g_eventQueue_ptr->triggerAllEvents();
 
     // update the start time
-    m_ruby_start = g_eventQueue_ptr->getTime();
+    m_ruby_start = g_system_ptr->getTime();
 }
 
 void
@@ -723,7 +723,7 @@ Profiler::rubyWatch(int id)
     uint64 tr = 0;
     Address watch_address = Address(tr);
 
-    DPRINTFN("%7s %3s RUBY WATCH %d\n", g_eventQueue_ptr->getTime(), id,
+    DPRINTFN("%7s %3s RUBY WATCH %d\n", g_system_ptr->getTime(), id,
         watch_address);
 
     // don't care about success or failure
diff --git a/src/mem/ruby/profiler/Profiler.hh b/src/mem/ruby/profiler/Profiler.hh
index 7945b6c73..58043dfaf 100644
--- a/src/mem/ruby/profiler/Profiler.hh
+++ b/src/mem/ruby/profiler/Profiler.hh
@@ -58,7 +58,6 @@
 #include "mem/protocol/RubyAccessMode.hh"
 #include "mem/protocol/RubyRequestType.hh"
 #include "mem/ruby/common/Address.hh"
-#include "mem/ruby/common/Consumer.hh"
 #include "mem/ruby/common/Global.hh"
 #include "mem/ruby/common/Histogram.hh"
 #include "mem/ruby/common/Set.hh"
@@ -70,7 +69,7 @@
 class RubyRequest;
 class AddressProfiler;
 
-class Profiler : public SimObject, public Consumer
+class Profiler : public SimObject
 {
   public:
     typedef RubyProfilerParams Params;
@@ -244,6 +243,20 @@ class Profiler : public SimObject, public Consumer
     bool m_all_instructions;
 
     int m_num_of_sequencers;
+
+  protected:
+    class ProfileEvent : public Event
+    {
+        public:
+            ProfileEvent(Profiler *_profiler)
+            {
+                profiler = _profiler;
+            }
+        private:
+            void process() { profiler->wakeup(); }
+            Profiler *profiler;
+    };
+    ProfileEvent m_event;
 };
 
 inline std::ostream&
@@ -255,5 +268,3 @@ operator<<(std::ostream& out, const Profiler& obj)
 }
 
 #endif // __MEM_RUBY_PROFILER_PROFILER_HH__
-
-
diff --git a/src/mem/ruby/profiler/StoreTrace.cc b/src/mem/ruby/profiler/StoreTrace.cc
index bcd90ab9d..84b05ea86 100644
--- a/src/mem/ruby/profiler/StoreTrace.cc
+++ b/src/mem/ruby/profiler/StoreTrace.cc
@@ -26,8 +26,8 @@
  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  */
 
-#include "mem/ruby/eventqueue/RubyEventQueue.hh"
 #include "mem/ruby/profiler/StoreTrace.hh"
+#include "sim/core.hh"
 
 using namespace std;
 
@@ -105,7 +105,7 @@ StoreTrace::clearSummary()
 void
 StoreTrace::store(NodeID node)
 {
-    Time current = g_eventQueue_ptr->getTime();
+    Tick current = curTick();
 
     assert((m_last_writer == -1) || (m_last_writer == node));
 
@@ -127,7 +127,7 @@ void
 StoreTrace::downgrade(NodeID node)
 {
     if (node == m_last_writer) {
-        Time current = g_eventQueue_ptr->getTime();
+        Time current = curTick();
         assert(m_stores_this_interval != 0);
         assert(m_last_store != 0);
         assert(m_first_store != 0);
diff --git a/src/mem/ruby/profiler/StoreTrace.hh b/src/mem/ruby/profiler/StoreTrace.hh
index 9c0945c15..293871723 100644
--- a/src/mem/ruby/profiler/StoreTrace.hh
+++ b/src/mem/ruby/profiler/StoreTrace.hh
@@ -32,7 +32,6 @@
 #include <iostream>
 
 #include "mem/ruby/common/Address.hh"
-#include "mem/ruby/common/Global.hh"
 #include "mem/ruby/common/Histogram.hh"
 
 class StoreTrace