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ProfileViewer: Add mode that shows percentages instead of sample counts

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Sometimes it's much nicer to work with percentages than raw sample
counts when browsing through a profile. :^)
This commit is contained in:
Andreas Kling 2020-03-02 21:56:03 +01:00
parent 8effe0b632
commit 058cd1241e
4 changed files with 37 additions and 4 deletions
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14
DevTools/ProfileViewer/ProfileModel.cpp
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@ -97,9 +97,9 @@ String ProfileModel::column_name(int column) const
{
switch (column) {
case Column::SampleCount:
return "# Samples";
return m_profile.show_percentages() ? "% Samples" : "# Samples";
case Column::SelfCount:
return "# Self";
return m_profile.show_percentages() ? "% Self" : "# Self";
case Column::StackFrame:
return "Stack Frame";
default:
@ -127,10 +127,16 @@ GUI::Variant ProfileModel::data(const GUI::ModelIndex& index, Role role) const
return {};
}
if (role == Role::Display) {
if (index.column() == Column::SampleCount)
if (index.column() == Column::SampleCount) {
if (m_profile.show_percentages())
return ((float)node->event_count() / (float)m_profile.filtered_event_count()) * 100.0f;
return node->event_count();
if (index.column() == Column::SelfCount)
}
if (index.column() == Column::SelfCount) {
if (m_profile.show_percentages())
return ((float)node->self_count() / (float)m_profile.filtered_event_count()) * 100.0f;
return node->self_count();
}
if (index.column() == Column::StackFrame)
return node->symbol();
return {};