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-rw-r--r--cpu/activity.hh67
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diff --git a/cpu/activity.hh b/cpu/activity.hh
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--- a/cpu/activity.hh
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@@ -1,67 +0,0 @@
-
-#ifndef __CPU_ACTIVITY_HH__
-#define __CPU_ACTIVITY_HH__
-
-#include "base/timebuf.hh"
-#include "base/trace.hh"
-
-class ActivityRecorder {
- public:
- ActivityRecorder(int num_stages, int longest_latency, int count);
-
- /** Records that there is activity this cycle. */
- void activity();
- /** Advances the activity buffer, decrementing the activityCount if active
- * communication just left the time buffer, and descheduling the CPU if
- * there is no activity.
- */
- void advance();
- /** Marks a stage as active. */
- void activateStage(const int idx);
- /** Deactivates a stage. */
- void deactivateStage(const int idx);
-
- int getActivityCount() { return activityCount; }
-
- void setActivityCount(int count)
- { activityCount = count; }
-
- bool active() { return activityCount; }
-
- void reset();
-
- void dump();
-
- void validate();
-
- private:
- /** Time buffer that tracks if any cycles has active communication
- * in them. It should be as long as the longest communication
- * latency in the system. Each time any time buffer is written,
- * the activity buffer should also be written to. The
- * activityBuffer is advanced along with all the other time
- * buffers, so it should have a 1 somewhere in it only if there
- * is active communication in a time buffer.
- */
- TimeBuffer<bool> activityBuffer;
-
- int longestLatency;
-
- /** Tracks how many stages and cycles of time buffer have
- * activity. Stages increment this count when they switch to
- * active, and decrement it when they switch to
- * inactive. Whenever a cycle that previously had no information
- * is written in the time buffer, this is incremented. When a
- * cycle that had information exits the time buffer due to age,
- * this count is decremented. When the count is 0, there is no
- * activity in the CPU, and it can be descheduled.
- */
- int activityCount;
-
- int numStages;
-
- /** Records which stages are active/inactive. */
- bool *stageActive;
-};
-
-#endif // __CPU_ACTIVITY_HH__