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Crude fix for bandwidth calculations with pseudo-channels

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This commit is contained in:
Derek Christ
2024-11-15 15:56:33 +01:00
parent ba0d0165e8
commit e74a617273
2 changed files with 10 additions and 3 deletions
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8
extensions/apps/traceAnalyzer/scripts/metrics.py
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@@ -506,11 +506,13 @@ def memory_utilisation_in_Gibps_without_idle(connection):
def memory_utilisation_percent_including_idle(connection): def memory_utilisation_percent_including_idle(connection):
cursor = connection.cursor() cursor = connection.cursor()
cursor.execute("""SELECT SUM(DataStrobeEnd - DataStrobeBegin) FROM Phases""") cursor.execute("""SELECT SUM(DataStrobeEnd - DataStrobeBegin) FROM Phases""")
active = cursor.fetchone() active = cursor.fetchone()[0]
if getPseudoChannelMode(connection):
active /= 2
cursor = connection.cursor() cursor = connection.cursor()
cursor.execute("""SELECT MAX(DataStrobeEnd) FROM Phases""") cursor.execute("""SELECT MAX(DataStrobeEnd) FROM Phases""")
total = cursor.fetchone() total = cursor.fetchone()[0]
return (active[0] / total[0]) * 100 return (active / total) * 100
# def refreshMissDecision(connection, calculatedMetrics): # def refreshMissDecision(connection, calculatedMetrics):

5
src/libdramsys/DRAMSys/controller/ControllerRecordable.cpp
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@@ -115,6 +115,11 @@ void ControllerRecordable::controllerMethod()
uint64_t windowNumberOfBeatsServed = numberOfBeatsServed - lastNumberOfBeatsServed; uint64_t windowNumberOfBeatsServed = numberOfBeatsServed - lastNumberOfBeatsServed;
lastNumberOfBeatsServed = numberOfBeatsServed; lastNumberOfBeatsServed = numberOfBeatsServed;
// FIX: HBM pseudo-channels
// maybe better solution in the future?
windowNumberOfBeatsServed /= memSpec.pseudoChannelsPerChannel;
sc_time windowActiveTime = sc_time windowActiveTime =
activeTimeMultiplier * static_cast<double>(windowNumberOfBeatsServed); activeTimeMultiplier * static_cast<double>(windowNumberOfBeatsServed);
double windowAverageBandwidth = windowActiveTime / windowSizeTime; double windowAverageBandwidth = windowActiveTime / windowSizeTime;