PictureBenchmark JSON logging

tools/PictureResultsWriter.h

+/*
+ * Copyright 2014 Google Inc.
+ *
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ *
+ * Classes for writing out bench results in various formats.
+ */
+#ifndef SkPictureResultsWriter_DEFINED
+#define SkPictureResultsWriter_DEFINED
+
+#include "SkBenchLogger.h"
+#include "SkJSONCPP.h"
+#include "SkStream.h"
+#include "SkString.h"
+#include "SkTArray.h"
+
+/**
+ * Base class for writing picture bench results.
+ */
+class PictureResultsWriter : SkNoncopyable {
+protected:
+    Json::Value* find_named_node(Json::Value* root, const char name[]) {

[jcgregorio, 2014/05/27 15:34:25]

Why is find_named_node duplicated here?

[kelvinly, 2014/05/27 16:41:06]

I guess I copy and pasted from ResultsWriter, and then forgot that I moved the
one in ResultsWriter out of the class. I'll fix that

+        Json::Value* search_results = NULL;
+        for(Json::Value::iterator iter = root->begin();
+                iter!= root->end(); ++iter) {
+            if(SkString(name).equals((*iter)["name"].asCString())) {
+                search_results = &(*iter);
+                break;
+            }
+        }
+
+        if(search_results != NULL) {
+            return search_results;
+        } else {
+            Json::Value* new_val = &(root->append(Json::Value()));
+            (*new_val)["name"] = name;
+            return new_val;
+        }
+    }
+
+public:
+    enum TileFlags {kPurging, kAvg};
+
+    PictureResultsWriter() {;}
+    virtual ~PictureResultsWriter() {;}
+
+    virtual void bench(const char name[], int32_t x, int32_t y) = 0;
+    virtual void tileConfig(SkString configName) = 0;
+    virtual void tileMeta(int x, int y, int tx, int ty) = 0;
+    virtual void addTileFlag(PictureResultsWriter::TileFlags flag) = 0;
+    virtual void tileData(
+            TimerData* data, 
+            const char format[], 
+            const TimerData::Result result,
+            uint32_t timerTypes,
+            int numInnerLoops = 1) = 0;
+   virtual void end() = 0;
+};
+
+class PictureResultsMultiWriter : public PictureResultsWriter {
+public:
+    PictureResultsMultiWriter() : writers() {;}
+    void add(PictureResultsWriter* newWriter) {
+        writers.push_back(newWriter);
+    }
+    virtual ~PictureResultsMultiWriter() {;}
+    virtual void bench(const char name[], int32_t x, int32_t y) {
+        for(int i=0; i<writers.count(); ++i) {
+            writers[i]->bench(name, x, y);
+        }
+    }
+    virtual void tileConfig(SkString configName) {
+        for(int i=0; i<writers.count(); ++i) {
+            writers[i]->tileConfig(configName);
+        }
+    }
+    virtual void tileMeta(int x, int y, int tx, int ty) {
+        for(int i=0; i<writers.count(); ++i) {
+            writers[i]->tileMeta(x, y, tx, ty);
+        }
+    }
+    virtual void addTileFlag(PictureResultsWriter::TileFlags flag) {
+        for(int i=0; i<writers.count(); ++i) {
+            writers[i]->addTileFlag(flag);
+        }
+    }
+    virtual void tileData(
+            TimerData* data, 
+            const char format[], 
+            const TimerData::Result result,
+            uint32_t timerTypes,
+            int numInnerLoops = 1) {
+        for(int i=0; i<writers.count(); ++i) {
+            writers[i]->tileData(data, format, result, timerTypes, 
+                                 numInnerLoops);
+        }
+    }
+   virtual void end() {
+        for(int i=0; i<writers.count(); ++i) {
+            writers[i]->end();
+        }
+   }
+private:
+    SkTArray<PictureResultsWriter*> writers;
+};
+
+/**
+ * Writes to SkBenchLogger to mimic original behavior
+ */
+class PictureResultsLoggerWriter : public PictureResultsWriter {    
+private:
+    void logProgress(const char str[]) {
+        if(fLogger != NULL) {
+            fLogger->logProgress(str);
+        }
+    }
+public:
+    PictureResultsLoggerWriter(SkBenchLogger* log)
+          : fLogger(log), currentLine() {;}
+    virtual void bench(const char name[], int32_t x, int32_t y) {
+        SkString result;
+        result.printf("running bench [%i %i] %s ", x, y, name);
+        this->logProgress(result.c_str());
+    }
+    virtual void tileConfig(SkString configName) {
+        currentLine = configName;
+    }
+    virtual void tileMeta(int x, int y, int tx, int ty) {
+        currentLine.appendf(": tile [%i,%i] out of [%i,%i]", x, y, tx, ty);
+    }
+    virtual void addTileFlag(PictureResultsWriter::TileFlags flag) {
+        if(flag == PictureResultsWriter::kPurging) {
+            currentLine.append(" <withPurging>");
+        } else if(flag == PictureResultsWriter::kAvg) {
+            currentLine.append(" <averaged>");
+        }
+    }
+    virtual void tileData(
+            TimerData* data, 
+            const char format[], 
+            const TimerData::Result result,
+            uint32_t timerTypes,
+            int numInnerLoops = 1) {
+        SkString results = data->getResult(format, result,
+                currentLine.c_str(), timerTypes, numInnerLoops);
+        results.append("\n");
+        this->logProgress(results.c_str());
+    }
+    virtual void end() {;}
+private:
+    SkBenchLogger* fLogger;
+    SkString currentLine;
+};
+
+#ifdef SK_BUILD_JSON_WRITER
+/**
+ * This ResultsWriter collects data in a JSON node
+ */
+class PictureJSONResultsWriter : public PictureResultsWriter {
+public:
+    PictureJSONResultsWriter(const char filename[])
+        : fFilename(filename),
+          fRoot(), 
+          fCurrentBench(NULL),
+          fCurrentTileSet(NULL),
+          fCurrentTile(NULL) {;}
+
+    virtual void bench(const char name[], int32_t x, int32_t y) {
+        SkString sk_name(name);
+        sk_name.append("_");
+        sk_name.appendS32(x);
+        sk_name.append("_");
+        sk_name.appendS32(y);
+        Json::Value* bench_node = find_named_node(&fRoot["benches"], sk_name.c_str());
+        fCurrentBench = &(*bench_node)["tileSets"];
+    }
+    virtual void tileConfig(SkString configName) {
+        SkASSERT(fCurrentBench != NULL);
+        fCurrentTileSet = find_named_node(fCurrentBench, configName.c_str());
+        fCurrentTile = &(*fCurrentTileSet)["tiles"][0];
+    }
+    virtual void tileMeta(int x, int y, int tx, int ty) {
+        SkASSERT(fCurrentTileSet != NULL);
+        (*fCurrentTileSet)["tx"] = tx;
+        (*fCurrentTileSet)["ty"] = ty;
+        fCurrentTile = &(*fCurrentTileSet)["tiles"][x+tx*y];
+    }
+    virtual void addTileFlag(PictureResultsWriter::TileFlags flag) {
+        SkASSERT(fCurrentTile != NULL);
+        if(flag == PictureResultsWriter::kPurging) {
+            (*fCurrentTile)["flags"]["purging"] = true;
+        } else if(flag == PictureResultsWriter::kAvg) {
+            (*fCurrentTile)["flags"]["averaged"] = true;
+        }
+    }
+    virtual void tileData(
+            TimerData* data, 
+            const char format[], 
+            const TimerData::Result result,
+            uint32_t timerTypes,
+            int numInnerLoops = 1) {
+        SkASSERT(fCurrentTile != NULL);
+        (*fCurrentTile)["data"] = data->getJSON(timerTypes, result, numInnerLoops);
+    }
+  virtual void end() {
+       SkFILEWStream stream(fFilename.c_str());
+       stream.writeText(Json::FastWriter().write(fRoot).c_str());
+       stream.flush();
+   }
+private:
+    SkString fFilename;
+    Json::Value fRoot;
+    Json::Value *fCurrentBench;
+    Json::Value *fCurrentTileSet;
+    Json::Value *fCurrentTile;
+};
+#endif // SK_BUILD_JSON_WRITER
+
+#endif