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Display moving average of speed.

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Signed-off-by: Andrea Odetti <mariofutire@gmail.com>
This commit is contained in:
Andrea Odetti 2017-06-24 19:07:20 +01:00
parent e68748a158
commit eba2cea5ca
2 changed files with 9 additions and 7 deletions
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8
source/frontends/ncurses/main.cpp
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@ -162,14 +162,16 @@ namespace
VideoRedrawScreen(); VideoRedrawScreen();
} }
if (!DiskIsSpinning())
{
const auto end = std::chrono::steady_clock::now(); const auto end = std::chrono::steady_clock::now();
const auto diff = end - start; const auto diff = end - start;
const long us = std::chrono::duration_cast<std::chrono::microseconds>(diff).count(); const long us = std::chrono::duration_cast<std::chrono::microseconds>(diff).count();
g_relativeSpeed = double(us) / double(nExecutionPeriodUsec); const double coeff = exp(-0.000001 * nExecutionPeriodUsec); // 0.36 after 1 second
g_relativeSpeed = g_relativeSpeed * coeff + double(us) / double(nExecutionPeriodUsec) * (1.0 - coeff);
if (!DiskIsSpinning())
{
if (us < nExecutionPeriodUsec) if (us < nExecutionPeriodUsec)
{ {
usleep(nExecutionPeriodUsec - us); usleep(nExecutionPeriodUsec - us);

2
source/frontends/ncurses/world.cpp
View file

@ -150,7 +150,7 @@ namespace
} }
double g_relativeSpeed = 0; double g_relativeSpeed = 1.0;
void output(const char *fmt, ...) void output(const char *fmt, ...)
{ {