Add frame set histogram.

This commit is contained in:
Bartosz Taudul 2018-09-01 01:12:16 +02:00
parent 9b8a0a8364
commit 98b5363ebc
2 changed files with 244 additions and 0 deletions

View File

@ -6398,6 +6398,246 @@ void View::DrawInfo()
ImGui::Text( "%s FPS", RealToString( 1000000000.0 / m_frameSortData.median, true ) );
ImGui::EndTooltip();
}
if( ImGui::TreeNode( "Histogram" ) )
{
const auto ty = ImGui::GetFontSize();
auto& frames = m_frameSortData.data;
const auto tmin = frames.front();
const auto tmax = frames.back();
const auto timeTotal = m_frameSortData.total;
if( tmin != std::numeric_limits<int64_t>::max() )
{
ImGui::Checkbox( "Log values", &m_frameSortData.logVal );
ImGui::SameLine();
ImGui::Checkbox( "Log time", &m_frameSortData.logTime );
ImGui::TextDisabled( "Time range:" );
ImGui::SameLine();
ImGui::Text( "%s - %s (%s)", TimeToString( tmin ), TimeToString( tmax ), TimeToString( tmax - tmin ) );
const auto dt = double( tmax - tmin );
if( dt > 0 )
{
const auto w = ImGui::GetContentRegionAvail().x;
const auto numBins = int64_t( w - 4 );
if( numBins > 1 )
{
if( numBins != m_frameSortData.numBins )
{
m_frameSortData.numBins = numBins;
m_frameSortData.bins = std::make_unique<int64_t[]>( numBins );
}
const auto& bins = m_frameSortData.bins;
memset( bins.get(), 0, sizeof( int64_t ) * numBins );
if( m_frameSortData.logTime )
{
const auto tMinLog = log10fast( tmin );
const auto idt = numBins / ( log10fast( tmax ) - tMinLog );
for( auto& ft : frames )
{
if( ft != 0 )
{
const auto bin = std::min( numBins - 1, int64_t( ( log10fast( ft ) - tMinLog ) * idt ) );
bins[bin]++;
}
}
}
else
{
const auto idt = numBins / dt;
for( auto& ft : frames )
{
if( ft != 0 )
{
const auto bin = std::min( numBins - 1, int64_t( ( ft - tmin ) * idt ) );
bins[bin]++;
}
}
}
int64_t maxVal = bins[0];
for( int i=1; i<numBins; i++ )
{
maxVal = std::max( maxVal, bins[i] );
}
TextFocused( "Max counts:", RealToString( maxVal, true ) );
const auto Height = 200 * ImGui::GetTextLineHeight() / 15.f;
const auto wpos = ImGui::GetCursorScreenPos();
ImGui::InvisibleButton( "##histogram", ImVec2( w, Height + round( ty * 1.5 ) ) );
const bool hover = ImGui::IsItemHovered();
auto draw = ImGui::GetWindowDrawList();
draw->AddRectFilled( wpos, wpos + ImVec2( w, Height ), 0x22FFFFFF );
draw->AddRect( wpos, wpos + ImVec2( w, Height ), 0x88FFFFFF );
if( m_frameSortData.logVal )
{
const auto hAdj = double( Height - 4 ) / log10fast( maxVal + 1 );
for( int i=0; i<numBins; i++ )
{
const auto val = bins[i];
if( val > 0 )
{
draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - log10fast( val + 1 ) * hAdj ), 0xFF22DDDD );
}
}
}
else
{
const auto hAdj = double( Height - 4 ) / maxVal;
for( int i=0; i<numBins; i++ )
{
const auto val = bins[i];
if( val > 0 )
{
draw->AddLine( wpos + ImVec2( 2+i, Height-3 ), wpos + ImVec2( 2+i, Height-3 - val * hAdj ), 0xFF22DDDD );
}
}
}
const auto xoff = 2;
const auto yoff = Height + 1;
if( m_frameSortData.logTime )
{
const auto ltmin = log10fast( tmin );
const auto ltmax = log10fast( tmax );
const auto start = int( floor( ltmin ) );
const auto end = int( ceil( ltmax ) );
const auto range = ltmax - ltmin;
const auto step = w / range;
auto offset = start - ltmin;
int tw = 0;
int tx = 0;
auto tt = int64_t( pow( 10, start ) );
static const double logticks[] = { log10( 2 ), log10( 3 ), log10( 4 ), log10( 5 ), log10( 6 ), log10( 7 ), log10( 8 ), log10( 9 ) };
for( int i=start; i<=end; i++ )
{
const auto x = ( i - start + offset ) * step;
if( x >= 0 )
{
draw->AddLine( wpos + ImVec2( x, yoff ), wpos + ImVec2( x, yoff + round( ty * 0.5 ) ), 0x66FFFFFF );
if( tw == 0 || x > tx + tw + ty * 1.1 )
{
tx = x;
auto txt = TimeToStringInteger( tt );
draw->AddText( wpos + ImVec2( x, yoff + round( ty * 0.5 ) ), 0x66FFFFFF, txt );
tw = ImGui::CalcTextSize( txt ).x;
}
}
for( int j=0; j<8; j++ )
{
const auto xoff = x + logticks[j] * step;
if( xoff >= 0 )
{
draw->AddLine( wpos + ImVec2( xoff, yoff ), wpos + ImVec2( xoff, yoff + round( ty * 0.25 ) ), 0x66FFFFFF );
}
}
tt *= 10;
}
}
else
{
const auto pxns = numBins / dt;
const auto nspx = 1.0 / pxns;
const auto scale = std::max<float>( 0.0f, round( log10fast( nspx ) + 2 ) );
const auto step = pow( 10, scale );
const auto dx = step * pxns;
double x = 0;
int tw = 0;
int tx = 0;
const auto sstep = step / 10.0;
const auto sdx = dx / 10.0;
static const double linelen[] = { 0.5, 0.25, 0.25, 0.25, 0.25, 0.375, 0.25, 0.25, 0.25, 0.25 };
int64_t tt = int64_t( ceil( tmin / sstep ) * sstep );
const auto diff = tmin / sstep - int64_t( tmin / sstep );
const auto xo = ( diff == 0 ? 0 : ( ( 1 - diff ) * sstep * pxns ) ) + xoff;
int iter = int( ceil( ( tmin - int64_t( tmin / step ) * step ) / sstep ) );
while( x < numBins )
{
draw->AddLine( wpos + ImVec2( xo + x, yoff ), wpos + ImVec2( xo + x, yoff + round( ty * linelen[iter] ) ), 0x66FFFFFF );
if( iter == 0 && ( tw == 0 || x > tx + tw + ty * 1.1 ) )
{
tx = x;
auto txt = TimeToStringInteger( tt );
draw->AddText( wpos + ImVec2( xo + x, yoff + round( ty * 0.5 ) ), 0x66FFFFFF, txt );
tw = ImGui::CalcTextSize( txt ).x;
}
iter = ( iter + 1 ) % 10;
x += sdx;
tt += sstep;
}
}
if( hover && ImGui::IsMouseHoveringRect( wpos + ImVec2( 2, 2 ), wpos + ImVec2( w-2, Height + round( ty * 1.5 ) ) ) )
{
const auto ltmin = log10fast( tmin );
const auto ltmax = log10fast( tmax );
auto& io = ImGui::GetIO();
draw->AddLine( ImVec2( io.MousePos.x, wpos.y ), ImVec2( io.MousePos.x, wpos.y+Height-2 ), 0x33FFFFFF );
const auto bin = double( io.MousePos.x - wpos.x - 2 );
int64_t t0, t1;
if( m_frameSortData.logTime )
{
t0 = int64_t( pow( 10, ltmin + bin / numBins * ( ltmax - ltmin ) ) );
// Hackfix for inability to select data in last bin.
// A proper solution would be nice.
if( bin+1 == numBins )
{
t1 = tmax;
}
else
{
t1 = int64_t( pow( 10, ltmin + (bin+1) / numBins * ( ltmax - ltmin ) ) );
}
}
else
{
t0 = int64_t( tmin + bin / numBins * ( tmax - tmin ) );
t1 = int64_t( tmin + (bin+1) / numBins * ( tmax - tmin ) );
}
ImGui::BeginTooltip();
ImGui::TextDisabled( "Time range:" );
ImGui::SameLine();
ImGui::Text( "%s - %s", TimeToString( t0 ), TimeToString( t1 ) );
ImGui::TextDisabled( "Count:" );
ImGui::SameLine();
ImGui::Text( "%" PRIu64, bins[bin] );
ImGui::EndTooltip();
}
}
}
}
ImGui::TreePop();
}
}
ImGui::Separator();
TextFocused( "Host info:", m_worker.GetHostInfo().c_str() );

View File

@ -363,6 +363,10 @@ private:
float average = 0;
float median = 0;
int64_t total = 0;
bool logVal = false;
bool logTime = true;
int64_t numBins = -1;
std::unique_ptr<int64_t[]> bins;
} m_frameSortData;
};