[14/17] kernel-shark-qt: Add Hide CPU action to the Quick Context Menu

Commit Message

Yordan Karadzhov Nov. 28, 2018, 3:16 p.m. UTC

Now the Quick Context Menu can be used to hide all data from a CPU core.
The CPU Id value is added to the list of CPUs to be filtered-out.

Signed-off-by: Yordan Karadzhov <[e-mail]>
---
 kernel-shark-qt/src/KsQuickContextMenu.cpp | 26 ++++++++++++++++++++++
 kernel-shark-qt/src/KsQuickContextMenu.hpp |  6 +++++
 2 files changed, 32 insertions(+)

Patch

diff --git a/kernel-shark-qt/src/KsQuickContextMenu.cpp b/kernel-shark-qt/src/KsQuickContextMenu.cpp
index 16b8d19..95ffc4f 100644
--- a/kernel-shark-qt/src/KsQuickContextMenu.cpp
+++ b/kernel-shark-qt/src/KsQuickContextMenu.cpp
@@ -54,6 +54,7 @@  KsQuickContextMenu::KsQuickContextMenu(KsDataStore *data, size_t row,
   _showTaskAction(this),
   _hideEventAction(this),
   _showEventAction(this),
+  _hideCPUAction(this),
   _addCPUPlotAction(this),
   _addTaskPlotAction(this),
   _removeCPUPlotAction(this),
@@ -108,6 +109,9 @@  KsQuickContextMenu::KsQuickContextMenu(KsDataStore *data, size_t row,
 	descr += "] only";
 	lamAddAction(&_showEventAction, &KsQuickContextMenu::_showEvent);
 
+	descr = QString("Hide CPU [%1]").arg(_data->rows()[_row]->cpu);
+	lamAddAction(&_hideCPUAction, &KsQuickContextMenu::_hideCPU);
+
 	if (parentName == "KsTraceViewer") {
 		descr = "Add [";
 		descr += taskName;
@@ -194,6 +198,28 @@  void KsQuickContextMenu::_showEvent()
 	_data->applyPosEventFilter(QVector<int>(1, eventId));
 }
 
+void KsQuickContextMenu::_hideCPU()
+{
+	kshark_context *kshark_ctx(nullptr);
+	QVector<int> vec;
+
+	if (!kshark_instance(&kshark_ctx))
+		return;
+
+	vec =_getFilterVector(kshark_ctx->hide_cpu_filter,
+			      _data->rows()[_row]->cpu);
+	_data->applyNegCPUFilter(vec);
+}
+
+QVector<int> KsQuickContextMenu::_getFilterVector(tracecmd_filter_id *filter, int newId)
+{
+	QVector<int> vec = KsUtils::getFilterIds(filter);
+	if (!vec.contains(newId))
+		vec.append(newId);
+
+	return vec;
+}
+
 void KsQuickContextMenu::_addTaskPlot()
 {
 	int pid = kshark_get_pid_easy(_data->rows()[_row]);
diff --git a/kernel-shark-qt/src/KsQuickContextMenu.hpp b/kernel-shark-qt/src/KsQuickContextMenu.hpp
index 040942f..6ca1b08 100644
--- a/kernel-shark-qt/src/KsQuickContextMenu.hpp
+++ b/kernel-shark-qt/src/KsQuickContextMenu.hpp
@@ -71,6 +71,8 @@  private:
 
 	void _showEvent();
 
+	void _hideCPU();
+
 	void _addCPUPlot();
 
 	void _addTaskPlot();
@@ -79,6 +81,8 @@  private:
 
 	void _removeTaskPlot();
 
+	QVector<int> _getFilterVector(tracecmd_filter_id *filter, int newId);
+
 	KsDataStore	*_data;
 
 	size_t		_row;
@@ -87,6 +91,8 @@  private:
 
 	QAction _hideEventAction, _showEventAction;
 
+	QAction _hideCPUAction;
+
 	QAction _addCPUPlotAction;
 
 	QAction _addTaskPlotAction;