]> sigrok.org Git - pulseview.git/commitdiff
DecodeTrace: Add profiling and some optimizations
authorSoeren Apel <redacted>
Wed, 1 Jan 2020 18:08:25 +0000 (19:08 +0100)
committerUwe Hermann <redacted>
Sun, 5 Jan 2020 21:46:36 +0000 (22:46 +0100)
pv/data/decode/rowdata.cpp
pv/data/decode/rowdata.hpp
pv/data/decodesignal.cpp
pv/data/decodesignal.hpp
pv/views/trace/decodetrace.cpp
pv/views/trace/decodetrace.hpp

index 83a8021ef5a11136f747b02ac2724644ac7eb280..7e12533ed2b61e5b634acebac45fe194f88f34c4 100644 (file)
@@ -28,7 +28,8 @@ namespace data {
 namespace decode {
 
 RowData::RowData(Row* row) :
-       row_(row)
+       row_(row),
+       prev_ann_start_sample_(0)
 {
        assert(row);
 }
@@ -46,7 +47,7 @@ uint64_t RowData::get_annotation_count() const
 }
 
 void RowData::get_annotation_subset(
-       vector<pv::data::decode::Annotation> &dest,
+       vector<const pv::data::decode::Annotation*> &dest,
        uint64_t start_sample, uint64_t end_sample) const
 {
        // Determine whether we must apply per-class filtering or not
@@ -65,10 +66,11 @@ void RowData::get_annotation_subset(
 
        if (all_ann_classes_enabled) {
                // No filtering, send everyting out as-is
+               dest.reserve(dest.size() + annotations_.size());
                for (const auto& annotation : annotations_)
                        if ((annotation.end_sample() > start_sample) &&
                                (annotation.start_sample() <= end_sample))
-                               dest.push_back(annotation);
+                               dest.push_back(&annotation);
        } else {
                if (!all_ann_classes_disabled) {
                        // Filter out invisible annotation classes
@@ -78,18 +80,39 @@ void RowData::get_annotation_subset(
                                if (c->visible)
                                        class_visible[c->id] = 1;
 
+                       dest.reserve(dest.size() + annotations_.size());
                        for (const auto& annotation : annotations_)
                                if ((class_visible[annotation.ann_class()]) &&
                                        (annotation.end_sample() > start_sample) &&
                                        (annotation.start_sample() <= end_sample))
-                                       dest.push_back(annotation);
+                                       dest.push_back(&annotation);
                }
        }
 }
 
 void RowData::emplace_annotation(srd_proto_data *pdata)
 {
-       annotations_.emplace_back(pdata, row_);
+       // We insert the annotation in a way so that the annotation list
+       // is sorted by start sample. Otherwise, we'd have to sort when
+       // painting, which is expensive
+
+       if (pdata->start_sample < prev_ann_start_sample_) {
+               // Find location to insert the annotation at
+
+               auto it = annotations_.end();
+               do {
+                       it--;
+               } while ((it->start_sample() > pdata->start_sample) && (it != annotations_.begin()));
+
+               // Allow inserting at the front
+               if (it != annotations_.begin())
+                       it++;
+
+               annotations_.insert(it, Annotation(pdata, row_));
+       } else {
+               annotations_.emplace_back(pdata, row_);
+               prev_ann_start_sample_ = pdata->start_sample;
+       }
 }
 
 }  // namespace decode
index 0012acd4523ecfc7339a5a30809ab78de2ddef57..4454d691e58d060e1bbb93481673b17293b7f9e8 100644 (file)
@@ -26,6 +26,7 @@
 
 #include <pv/data/decode/annotation.hpp>
 
+using std::deque;
 using std::vector;
 
 namespace pv {
@@ -39,7 +40,6 @@ class RowData
 public:
        RowData(Row* row);
 
-public:
        uint64_t get_max_sample() const;
 
        uint64_t get_annotation_count() const;
@@ -50,14 +50,15 @@ public:
         * fit into the sample range are considered.
         */
        void get_annotation_subset(
-               vector<pv::data::decode::Annotation> &dest,
+               vector<const pv::data::decode::Annotation*> &dest,
                uint64_t start_sample, uint64_t end_sample) const;
 
        void emplace_annotation(srd_proto_data *pdata);
 
 private:
-       vector<Annotation> annotations_;
-       const Row* row_;
+       deque<Annotation> annotations_;
+       Row* row_;
+       uint64_t prev_ann_start_sample_;
 };
 
 }  // namespace decode
index d6eb924755b15452323c684cf2bdc285cd774a2c..831c8e7f90c41964dee9b2a496705ccd170db0ce 100644 (file)
@@ -41,11 +41,8 @@ using std::min;
 using std::out_of_range;
 using std::shared_ptr;
 using std::unique_lock;
-using pv::data::decode::Annotation;
 using pv::data::decode::AnnotationClass;
 using pv::data::decode::DecodeChannel;
-using pv::data::decode::Decoder;
-using pv::data::decode::Row;
 
 namespace pv {
 namespace data {
@@ -474,17 +471,15 @@ uint64_t DecodeSignal::get_annotation_count(const Row* row, uint32_t segment_id)
        auto row_it = segment->annotation_rows.find(row);
 
        const RowData* rd;
-       if (row_it == segment->annotation_rows.end()) {
-               // FIXME Use the fallback row, but how?
-               assert(false);
+       if (row_it == segment->annotation_rows.end())
                return 0;
-       else
+       else
                rd = &(row_it->second);
 
        return rd->get_annotation_count();
 }
 
-void DecodeSignal::get_annotation_subset(vector<Annotation> &dest,
+void DecodeSignal::get_annotation_subset(vector<const Annotation*> &dest,
        const Row* row, uint32_t segment_id, uint64_t start_sample,
        uint64_t end_sample) const
 {
@@ -498,29 +493,27 @@ void DecodeSignal::get_annotation_subset(vector<Annotation> &dest,
        auto row_it = segment->annotation_rows.find(row);
 
        const RowData* rd;
-       if (row_it == segment->annotation_rows.end()) {
-               // FIXME Use the fallback row, but how?
-               assert(false);
+       if (row_it == segment->annotation_rows.end())
                return;
-       else
+       else
                rd = &(row_it->second);
 
        rd->get_annotation_subset(dest, start_sample, end_sample);
 }
 
-void DecodeSignal::get_annotation_subset(vector<Annotation> &dest,
+void DecodeSignal::get_annotation_subset(vector<const Annotation*> &dest,
        uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const
 {
        // Use forward_lists for faster merging
-       forward_list<Annotation> *all_ann_list = new forward_list<Annotation>();
+       forward_list<const Annotation*> *all_ann_list = new forward_list<const Annotation*>();
 
        vector<const Row*> rows = get_rows();
        for (const Row* row : rows) {
-               vector<Annotation> *ann_vector = new vector<Annotation>();
+               vector<const Annotation*> *ann_vector = new vector<const Annotation*>();
                get_annotation_subset(*ann_vector, row, segment_id, start_sample, end_sample);
 
-               forward_list<Annotation> *ann_list =
-                       new forward_list<Annotation>(ann_vector->begin(), ann_vector->end());
+               forward_list<const Annotation*> *ann_list =
+                       new forward_list<const Annotation*>(ann_vector->begin(), ann_vector->end());
                delete ann_vector;
 
                all_ann_list->merge(*ann_list);
index 0e5d38c6b2879f4b94461ce4037b4454e7fd4f41..f8994adbeb87955c2fe3a675141d2e8cd7600c73 100644 (file)
@@ -150,7 +150,7 @@ public:
         * Note: The annotations may be unsorted and only annotations that fully
         * fit into the sample range are considered.
         */
-       void get_annotation_subset(vector<Annotation> &dest, const Row* row,
+       void get_annotation_subset(vector<const Annotation*> &dest, const Row* row,
                uint32_t segment_id, uint64_t start_sample, uint64_t end_sample) const;
 
        /**
@@ -158,7 +158,7 @@ public:
         * Note: The annotations may be unsorted and only annotations that fully
         * fit into the sample range are considered.
         */
-       void get_annotation_subset(vector<Annotation> &dest, uint32_t segment_id,
+       void get_annotation_subset(vector<const Annotation*> &dest, uint32_t segment_id,
                uint64_t start_sample, uint64_t end_sample) const;
 
        uint32_t get_binary_data_chunk_count(uint32_t segment_id,
index fc7ae6b0042ec375fa1863bed85ce0934eb2e81a..276d9fa6ed67a1f892ee6ca98a90127ce83f19ce 100644 (file)
@@ -34,6 +34,7 @@ extern "C" {
 #include <QClipboard>
 #include <QCheckBox>
 #include <QComboBox>
+#include <QDebug>
 #include <QFileDialog>
 #include <QFormLayout>
 #include <QLabel>
@@ -81,7 +82,6 @@ namespace pv {
 namespace views {
 namespace trace {
 
-
 #define DECODETRACE_COLOR_SATURATION (180) /* 0-255 */
 #define DECODETRACE_COLOR_VALUE (170) /* 0-255 */
 
@@ -213,6 +213,10 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
 {
        lock_guard<mutex> lock(row_modification_mutex_);
 
+#if DECODETRACE_SHOW_RENDER_TIME
+       render_time_.restart();
+#endif
+
        // Set default pen to allow for text width calculation
        p.setPen(Qt::black);
 
@@ -236,7 +240,7 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
                        continue;
                }
 
-               vector<Annotation> annotations;
+               vector<const Annotation*> annotations;
                decode_signal_->get_annotation_subset(annotations, r.decode_row,
                        current_segment_, sample_range.first, sample_range.second);
 
@@ -271,6 +275,10 @@ void DecodeTrace::paint_mid(QPainter &p, ViewItemPaintParams &pp)
        const QString err = decode_signal_->error_message();
        if (!err.isEmpty())
                draw_error(p, err, pp);
+
+#if DECODETRACE_SHOW_RENDER_TIME
+       qDebug() << "Rendering" << base_->name() << "took" << render_time_.elapsed() << "ms";
+#endif
 }
 
 void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
@@ -325,7 +333,7 @@ void DecodeTrace::paint_fore(QPainter &p, ViewItemPaintParams &pp)
 
 void DecodeTrace::update_stack_button()
 {
-       const vector< shared_ptr<data::decode::Decoder> > &stack = decode_signal_->decoder_stack();
+       const vector< shared_ptr<Decoder> > &stack = decode_signal_->decoder_stack();
 
        // Only show decoders in the menu that can be stacked onto the last one in the stack
        if (!stack.empty()) {
@@ -352,8 +360,6 @@ void DecodeTrace::update_stack_button()
 
 void DecodeTrace::populate_popup_form(QWidget *parent, QFormLayout *form)
 {
-       using pv::data::decode::Decoder;
-
        assert(form);
 
        // Add the standard options
@@ -608,18 +614,16 @@ void DecodeTrace::mouse_left_press_event(const QMouseEvent* event)
        }
 }
 
-void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotations,
+void DecodeTrace::draw_annotations(vector<const Annotation*> annotations,
                QPainter &p, int h, const ViewItemPaintParams &pp, int y,
                QColor row_color, int row_title_width)
 {
-       using namespace pv::data::decode;
-
        Annotation::Class block_class = 0;
        bool block_class_uniform = true;
        qreal block_start = 0;
        int block_ann_count = 0;
 
-       const Annotation *prev_ann;
+       const Annotationprev_ann;
        qreal prev_end = INT_MIN;
 
        qreal a_end;
@@ -628,17 +632,11 @@ void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotati
        tie(pixels_offset, samples_per_pixel) =
                get_pixels_offset_samples_per_pixel();
 
-       // Sort the annotations by start sample so that decoders
-       // can't confuse us by creating annotations out of order
-       stable_sort(annotations.begin(), annotations.end(),
-               [](const Annotation &a, const Annotation &b) {
-                       return a.start_sample() < b.start_sample(); });
-
        // Gather all annotations that form a visual "block" and draw them as such
-       for (const Annotation &a : annotations) {
+       for (const Annotationa : annotations) {
 
-               const qreal abs_a_start = a.start_sample() / samples_per_pixel;
-               const qreal abs_a_end   = a.end_sample() / samples_per_pixel;
+               const qreal abs_a_start = a->start_sample() / samples_per_pixel;
+               const qreal abs_a_end   = a->end_sample() / samples_per_pixel;
 
                const qreal a_start = abs_a_start - pixels_offset;
                a_end = abs_a_end - pixels_offset;
@@ -650,7 +648,7 @@ void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotati
 
                // Annotation wider than the threshold for a useful label width?
                if (a_width >= min_useful_label_width_) {
-                       for (const QString &ann_text : a.annotations()) {
+                       for (const QString &ann_text : a->annotations()) {
                                const qreal w = p.boundingRect(QRectF(), 0, ann_text).width();
                                // Annotation wide enough to fit a label? Don't put it in a block then
                                if (w <= a_width) {
@@ -664,8 +662,7 @@ void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotati
                if ((abs(delta) > 1) || a_is_separate) {
                        // Block was broken, draw annotations that form the current block
                        if (block_ann_count == 1)
-                               draw_annotation(*prev_ann, p, h, pp, y, row_color,
-                                       row_title_width);
+                               draw_annotation(prev_ann, p, h, pp, y, row_color, row_title_width);
                        else if (block_ann_count > 0)
                                draw_annotation_block(block_start, prev_end, block_class,
                                        block_class_uniform, p, h, y, row_color);
@@ -682,14 +679,14 @@ void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotati
                        block_ann_count = 0;
                } else {
                        prev_end = a_end;
-                       prev_ann = &a;
+                       prev_ann = a;
 
                        if (block_ann_count == 0) {
                                block_start = a_start;
-                               block_class = a.ann_class();
+                               block_class = a->ann_class();
                                block_class_uniform = true;
                        } else
-                               if (a.ann_class() != block_class)
+                               if (a->ann_class() != block_class)
                                        block_class_uniform = false;
 
                        block_ann_count++;
@@ -697,32 +694,31 @@ void DecodeTrace::draw_annotations(vector<pv::data::decode::Annotation> annotati
        }
 
        if (block_ann_count == 1)
-               draw_annotation(*prev_ann, p, h, pp, y, row_color, row_title_width);
+               draw_annotation(prev_ann, p, h, pp, y, row_color, row_title_width);
        else if (block_ann_count > 0)
                draw_annotation_block(block_start, prev_end, block_class,
                        block_class_uniform, p, h, y, row_color);
 }
 
-void DecodeTrace::draw_annotation(const pv::data::decode::Annotation &a,
-       QPainter &p, int h, const ViewItemPaintParams &pp, int y,
-       QColor row_color, int row_title_width) const
+void DecodeTrace::draw_annotation(const Annotation* a, QPainter &p, int h,
+       const ViewItemPaintParams &pp, int y, QColor row_color, int row_title_width) const
 {
        double samples_per_pixel, pixels_offset;
        tie(pixels_offset, samples_per_pixel) =
                get_pixels_offset_samples_per_pixel();
 
-       const double start = a.start_sample() / samples_per_pixel -
+       const double start = a->start_sample() / samples_per_pixel -
                pixels_offset;
-       const double end = a.end_sample() / samples_per_pixel - pixels_offset;
+       const double end = a->end_sample() / samples_per_pixel - pixels_offset;
 
-       QColor color = get_annotation_color(row_color, a.ann_class());
+       QColor color = get_annotation_color(row_color, a->ann_class());
        p.setPen(color.darker());
        p.setBrush(color);
 
        if (start > pp.right() + DrawPadding || end < pp.left() - DrawPadding)
                return;
 
-       if (a.start_sample() == a.end_sample())
+       if (a->start_sample() == a->end_sample())
                draw_instant(a, p, h, start, y);
        else
                draw_range(a, p, h, start, end, y, pp, row_title_width);
@@ -757,11 +753,11 @@ void DecodeTrace::draw_annotation_block(qreal start, qreal end,
        p.drawRoundedRect(rect, r, r);
 }
 
-void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
-       int h, qreal x, int y) const
+void DecodeTrace::draw_instant(const Annotation* a, QPainter &p, int h, qreal x,
+       int y) const
 {
-       const QString text = a.annotations().empty() ?
-               QString() : a.annotations().back();
+       const QString text = a->annotations().empty() ?
+               QString() : a->annotations().back();
        const qreal w = min((qreal)p.boundingRect(QRectF(), 0, text).width(),
                0.0) + h;
        const QRectF rect(x - w / 2, y - h / 2, w, h);
@@ -772,13 +768,13 @@ void DecodeTrace::draw_instant(const pv::data::decode::Annotation &a, QPainter &
        p.drawText(rect, Qt::AlignCenter | Qt::AlignVCenter, text);
 }
 
-void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
-       int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp,
+void DecodeTrace::draw_range(const Annotation* a, QPainter &p, int h,
+       qreal start, qreal end, int y, const ViewItemPaintParams &pp,
        int row_title_width) const
 {
        const qreal top = y + .5 - h / 2;
        const qreal bottom = y + .5 + h / 2;
-       const vector<QString> annotations = a.annotations();
+       const vector<QString> annotations = a->annotations();
 
        // If the two ends are within 1 pixel, draw a vertical line
        if (start + 1.0 > end) {
@@ -819,10 +815,10 @@ void DecodeTrace::draw_range(const pv::data::decode::Annotation &a, QPainter &p,
        QString best_annotation;
        int best_width = 0;
 
-       for (const QString &a : annotations) {
-               const int w = p.boundingRect(QRectF(), 0, a).width();
+       for (const QString &s : annotations) {
+               const int w = p.boundingRect(QRectF(), 0, s).width();
                if (w <= rect.width() && w > best_width)
-                       best_annotation = a, best_width = w;
+                       best_annotation = s, best_width = w;
        }
 
        if (best_annotation.isEmpty())
@@ -857,9 +853,6 @@ void DecodeTrace::draw_error(QPainter &p, const QString &message,
 
 void DecodeTrace::draw_unresolved_period(QPainter &p, int h, int left, int right) const
 {
-       using namespace pv::data;
-       using pv::data::decode::Decoder;
-
        double samples_per_pixel, pixels_offset;
 
        const int64_t sample_count = decode_signal_->get_working_sample_count(current_segment_);
@@ -992,8 +985,6 @@ DecodeTraceRow* DecodeTrace::get_row_at_point(const QPoint &point)
 
 const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
 {
-       using namespace pv::data::decode;
-
        if (!enabled())
                return QString();
 
@@ -1007,18 +998,17 @@ const QString DecodeTrace::get_annotation_at_point(const QPoint &point)
        if (point.y() > (int)(get_row_y(r) + (annotation_height_ / 2)))
                return QString();
 
-       vector<Annotation> annotations;
+       vector<const Annotation*> annotations;
 
        decode_signal_->get_annotation_subset(annotations, r->decode_row,
                current_segment_, sample_range.first, sample_range.second);
 
        return (annotations.empty()) ?
-               QString() : annotations[0].annotations().front();
+               QString() : annotations[0]->annotations().front();
 }
 
-void DecodeTrace::create_decoder_form(int index,
-       shared_ptr<data::decode::Decoder> &dec, QWidget *parent,
-       QFormLayout *form)
+void DecodeTrace::create_decoder_form(int index, shared_ptr<Decoder> &dec,
+       QWidget *parent, QFormLayout *form)
 {
        GlobalSettings settings;
 
@@ -1139,10 +1129,8 @@ QComboBox* DecodeTrace::create_channel_selector_init_state(QWidget *parent,
        return selector;
 }
 
-void DecodeTrace::export_annotations(vector<Annotation> *annotations) const
+void DecodeTrace::export_annotations(vector<const Annotation*> *annotations) const
 {
-       using namespace pv::data::decode;
-
        GlobalSettings settings;
        const QString dir = settings.value("MainWindow/SaveDirectory").toString();
 
@@ -1160,23 +1148,23 @@ void DecodeTrace::export_annotations(vector<Annotation> *annotations) const
        if (file.open(QIODevice::WriteOnly | QIODevice::Truncate | QIODevice::Text)) {
                QTextStream out_stream(&file);
 
-               for (Annotation &ann : *annotations) {
+               for (const Annotation* ann : *annotations) {
                        const QString sample_range = QString("%1-%2") \
-                               .arg(QString::number(ann.start_sample()), QString::number(ann.end_sample()));
+                               .arg(QString::number(ann->start_sample()), QString::number(ann->end_sample()));
 
-                       const QString row_name = quote + ann.row()->description() + quote;
+                       const QString row_name = quote + ann->row()->description() + quote;
 
                        QString all_ann_text;
-                       for (const QString &s : ann.annotations())
+                       for (const QString &s : ann->annotations())
                                all_ann_text = all_ann_text + quote + s + quote + ",";
                        all_ann_text.chop(1);
 
-                       const QString first_ann_text = quote + ann.annotations().front() + quote;
+                       const QString first_ann_text = quote + ann->annotations().front() + quote;
 
                        QString out_text = format;
                        out_text = out_text.replace("%s", sample_range);
                        out_text = out_text.replace("%d",
-                               quote + QString::fromUtf8(ann.row()->decoder()->name()) + quote);
+                               quote + QString::fromUtf8(ann->row()->decoder()->name()) + quote);
                        out_text = out_text.replace("%r", row_name);
                        out_text = out_text.replace("%1", first_ann_text);
                        out_text = out_text.replace("%a", all_ann_text);
@@ -1528,12 +1516,10 @@ void DecodeTrace::on_show_hide_class(QWidget* sender)
 
 void DecodeTrace::on_copy_annotation_to_clipboard()
 {
-       using namespace pv::data::decode;
-
        if (!selected_row_)
                return;
 
-       vector<Annotation> *annotations = new vector<Annotation>();
+       vector<const Annotation*> *annotations = new vector<const Annotation*>();
 
        decode_signal_->get_annotation_subset(*annotations, selected_row_,
                current_segment_, selected_sample_range_.first, selected_sample_range_.first);
@@ -1542,10 +1528,10 @@ void DecodeTrace::on_copy_annotation_to_clipboard()
                return;
 
        QClipboard *clipboard = QApplication::clipboard();
-       clipboard->setText(annotations->front().annotations().front(), QClipboard::Clipboard);
+       clipboard->setText(annotations->front()->annotations().front(), QClipboard::Clipboard);
 
        if (clipboard->supportsSelection())
-               clipboard->setText(annotations->front().annotations().front(), QClipboard::Selection);
+               clipboard->setText(annotations->front()->annotations().front(), QClipboard::Selection);
 
        delete annotations;
 }
@@ -1616,12 +1602,10 @@ void DecodeTrace::on_export_all_rows_with_cursor()
 
 void DecodeTrace::on_export_row_from_here()
 {
-       using namespace pv::data::decode;
-
        if (!selected_row_)
                return;
 
-       vector<Annotation> *annotations = new vector<Annotation>();
+       vector<const Annotation*> *annotations = new vector<const Annotation*>();
 
        decode_signal_->get_annotation_subset(*annotations, selected_row_,
                current_segment_, selected_sample_range_.first, selected_sample_range_.second);
@@ -1635,9 +1619,7 @@ void DecodeTrace::on_export_row_from_here()
 
 void DecodeTrace::on_export_all_rows_from_here()
 {
-       using namespace pv::data::decode;
-
-       vector<Annotation> *annotations = new vector<Annotation>();
+       vector<const Annotation*> *annotations = new vector<const Annotation*>();
 
        decode_signal_->get_annotation_subset(*annotations, current_segment_,
                        selected_sample_range_.first, selected_sample_range_.second);
index d7fddbc28ed90d35b1f389e32a7ab07c2e4b0365..8d651d037dc3e824d930c1802b54f79bedb360c1 100644 (file)
@@ -20,6 +20,7 @@
 #ifndef PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP
 #define PULSEVIEW_PV_VIEWS_TRACEVIEW_DECODETRACE_HPP
 
+#include <config.h>
 #include "trace.hpp"
 
 #include <list>
@@ -29,6 +30,7 @@
 
 #include <QColor>
 #include <QCheckBox>
+#include <QElapsedTimer>
 #include <QPolygon>
 #include <QPushButton>
 #include <QSignalMapper>
@@ -40,6 +42,8 @@
 #include <pv/data/decode/row.hpp>
 #include <pv/data/signalbase.hpp>
 
+#define DECODETRACE_SHOW_RENDER_TIME 0
+
 using std::deque;
 using std::list;
 using std::map;
@@ -48,6 +52,9 @@ using std::pair;
 using std::shared_ptr;
 using std::vector;
 
+using pv::data::SignalBase;
+using pv::data::decode::Annotation;
+using pv::data::decode::Decoder;
 using pv::data::decode::Row;
 
 struct srd_channel;
@@ -111,14 +118,14 @@ private:
        static const unsigned int AnimationDurationInTicks;
 
 public:
-       DecodeTrace(pv::Session &session, shared_ptr<data::SignalBase> signalbase,
+       DecodeTrace(pv::Session &session, shared_ptr<SignalBase> signalbase,
                int index);
 
        ~DecodeTrace();
 
        bool enabled() const;
 
-       shared_ptr<data::SignalBase> base() const;
+       shared_ptr<SignalBase> base() const;
 
        /**
         * Computes the vertical extents of the contents of this row item.
@@ -160,30 +167,25 @@ public:
        virtual void mouse_left_press_event(const QMouseEvent* event);
 
 private:
-       void draw_annotations(vector<pv::data::decode::Annotation> annotations,
-               QPainter &p, int h, const ViewItemPaintParams &pp, int y,
-               QColor row_color, int row_title_width);
+       void draw_annotations(vector<const Annotation*> annotations, QPainter &p,
+               int h, const ViewItemPaintParams &pp, int y, QColor row_color,
+               int row_title_width);
 
-       void draw_annotation(const pv::data::decode::Annotation &a, QPainter &p,
-               int h, const ViewItemPaintParams &pp, int y,
-               QColor row_color, int row_title_width) const;
+       void draw_annotation(const Annotation* a, QPainter &p, int h,
+               const ViewItemPaintParams &pp, int y, QColor row_color,
+               int row_title_width) const;
 
-       void draw_annotation_block(qreal start, qreal end,
-               pv::data::decode::Annotation::Class ann_class, bool use_ann_format,
-               QPainter &p, int h, int y, QColor row_color) const;
+       void draw_annotation_block(qreal start, qreal end, Annotation::Class ann_class,
+               bool use_ann_format, QPainter &p, int h, int y, QColor row_color) const;
 
-       void draw_instant(const pv::data::decode::Annotation &a, QPainter &p,
-               int h, qreal x, int y) const;
+       void draw_instant(const Annotation* a, QPainter &p, int h, qreal x, int y) const;
 
-       void draw_range(const pv::data::decode::Annotation &a, QPainter &p,
-               int h, qreal start, qreal end, int y, const ViewItemPaintParams &pp,
-               int row_title_width) const;
+       void draw_range(const Annotation* a, QPainter &p, int h, qreal start, qreal end,
+               int y, const ViewItemPaintParams &pp, int row_title_width) const;
 
-       void draw_error(QPainter &p, const QString &message,
-               const ViewItemPaintParams &pp);
+       void draw_error(QPainter &p, const QString &message, const ViewItemPaintParams &pp);
 
-       void draw_unresolved_period(QPainter &p, int h, int left,
-               int right) const;
+       void draw_unresolved_period(QPainter &p, int h, int left, int right) const;
 
        pair<double, double> get_pixels_offset_samples_per_pixel() const;
 
@@ -207,8 +209,7 @@ private:
 
        void update_stack_button();
 
-       void create_decoder_form(int index,
-               shared_ptr<pv::data::decode::Decoder> &dec,
+       void create_decoder_form(int index, shared_ptr<Decoder> &dec,
                QWidget *parent, QFormLayout *form);
 
        QComboBox* create_channel_selector(QWidget *parent,
@@ -216,7 +217,7 @@ private:
        QComboBox* create_channel_selector_init_state(QWidget *parent,
                const data::decode::DecodeChannel *ch);
 
-       void export_annotations(vector<data::decode::Annotation> *annotations) const;
+       void export_annotations(vector<const Annotation*> *annotations) const;
 
        void initialize_row_widgets(DecodeTraceRow* r, unsigned int row_id);
        void update_rows();
@@ -298,6 +299,10 @@ private:
        QTimer delayed_trace_updater_, animation_timer_;
 
        QPolygon default_marker_shape_;
+
+#if DECODETRACE_SHOW_RENDER_TIME
+       QElapsedTimer render_time_;
+#endif
 };
 
 } // namespace trace