activity.hh (7813:7338bc628489) activity.hh (8229:78bf55f23338)
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Kevin Lim
29 */
30
31#ifndef __CPU_ACTIVITY_HH__
32#define __CPU_ACTIVITY_HH__
33
1/*
2 * Copyright (c) 2006 The Regents of The University of Michigan
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are
7 * met: redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer;

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26 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 * Authors: Kevin Lim
29 */
30
31#ifndef __CPU_ACTIVITY_HH__
32#define __CPU_ACTIVITY_HH__
33
34#include "cpu/timebuf.hh"
35#include "base/trace.hh"
34#include "base/trace.hh"
35#include "cpu/timebuf.hh"
36
37/**
38 * ActivityRecorder helper class that informs the CPU if it can switch
39 * over to being idle or not. It works by having a time buffer as
40 * long as any time buffer in the CPU, and the CPU and all of its
41 * stages inform the ActivityRecorder when they write to any time
42 * buffer. The ActivityRecorder marks a 1 in the "0" slot of the time
43 * buffer any time a stage writes to a time buffer, and it advances

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37/**
38 * ActivityRecorder helper class that informs the CPU if it can switch
39 * over to being idle or not. It works by having a time buffer as
40 * long as any time buffer in the CPU, and the CPU and all of its
41 * stages inform the ActivityRecorder when they write to any time
42 * buffer. The ActivityRecorder marks a 1 in the "0" slot of the time
43 * buffer any time a stage writes to a time buffer, and it advances

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