o3cpu: give a name to the activity recorder for better tracing
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3 changed files with 17 additions and 8 deletions
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@ -28,15 +28,18 @@
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* Authors: Kevin Lim
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*/
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#include <cstring>
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#include <string>
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#include "base/timebuf.hh"
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#include "cpu/activity.hh"
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ActivityRecorder::ActivityRecorder(int num_stages, int longest_latency,
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int activity)
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: activityBuffer(longest_latency, 0), longestLatency(longest_latency),
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activityCount(activity), numStages(num_stages)
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using namespace std;
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ActivityRecorder::ActivityRecorder(const string &name, int num_stages,
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int longest_latency, int activity)
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: _name(name), activityBuffer(longest_latency, 0),
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longestLatency(longest_latency), activityCount(activity),
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numStages(num_stages)
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{
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stageActive = new bool[numStages];
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std::memset(stageActive, 0, numStages);
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@ -49,9 +49,11 @@
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* idle. If count is zero, then the CPU can safely idle as it has no
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* more outstanding work to do.
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*/
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class ActivityRecorder {
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class ActivityRecorder
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{
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public:
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ActivityRecorder(int num_stages, int longest_latency, int count);
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ActivityRecorder(const std::string &name, int num_stages,
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int longest_latency, int count);
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/** Records that there is activity this cycle. */
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void activity();
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@ -92,6 +94,10 @@ class ActivityRecorder {
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void validate();
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private:
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// provide name() for DPRINTF.
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std::string _name;
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const std::string &name() { return _name; }
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/** Time buffer that tracks if any cycles has active communication
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* in them. It should be as long as the longest communication
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* latency in the system. Each time any time buffer is written,
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@ -192,7 +192,7 @@ FullO3CPU<Impl>::FullO3CPU(DerivO3CPUParams *params)
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decodeQueue(params->backComSize, params->forwardComSize),
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renameQueue(params->backComSize, params->forwardComSize),
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iewQueue(params->backComSize, params->forwardComSize),
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activityRec(NumStages,
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activityRec(name(), NumStages,
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params->backComSize + params->forwardComSize,
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params->activity),
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