Clean up old custom tools now subsumed by nanobench.

tools/bench_record.cpp

Index: tools/bench_record.cpp
diff --git a/tools/bench_record.cpp b/tools/bench_record.cpp
deleted file mode 100644
index fe28e342a4525035925ecb5961e289834aeaa5db..0000000000000000000000000000000000000000
--- a/tools/bench_record.cpp
+++ /dev/null
@@ -1,177 +0,0 @@
-/*
- * Copyright 2014 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#include "SkCommandLineFlags.h"
-#include "SkForceLinking.h"
-#include "SkGraphics.h"
-#include "SkOSFile.h"
-#include "SkPicture.h"
-#include "SkPictureRecorder.h"
-#include "SkStream.h"
-#include "SkString.h"
-
-#include "LazyDecodeBitmap.h"
-#include "Stats.h"
-#include "Timer.h"
-
-__SK_FORCE_IMAGE_DECODER_LINKING;
-
-DEFINE_string2(skps, r, "skps", "Directory containing SKPs to read and re-record.");
-DEFINE_int32(samples, 10, "Number of times to re-record each SKP.");
-DEFINE_int32(tileGridSize, 512, "Set the tile grid size. Has no effect if bbh is not set to tilegrid.");
-DEFINE_string(bbh, "", "Turn on the bbh and select the type, one of rtree, tilegrid");
-DEFINE_bool(skr, false, "Record SKR instead of SKP.");
-DEFINE_string(match, "", "The usual filters on file names of SKPs to bench.");
-DEFINE_string(timescale, "us", "Print times in ms, us, or ns");
-DEFINE_double(overheadGoal, 0.0001,
-              "Try to make timer overhead at most this fraction of our sample measurements.");
-DEFINE_int32(verbose, 0, "0: print min sample; "
-                         "1: print min, mean, max and noise indication "
-                         "2: print all samples");
-
-static double timescale() {
-    if (FLAGS_timescale.contains("us")) return 1000;
-    if (FLAGS_timescale.contains("ns")) return 1000000;
-    return 1;
-}
-
-static SkBBHFactory* parse_FLAGS_bbh() {
-    if (FLAGS_bbh.isEmpty()) {
-        return NULL;
-    }
-
-    if (FLAGS_bbh.contains("rtree")) {
-        return SkNEW(SkRTreeFactory);
-    }
-    if (FLAGS_bbh.contains("tilegrid")) {
-        SkTileGridFactory::TileGridInfo info;
-        info.fTileInterval.set(FLAGS_tileGridSize, FLAGS_tileGridSize);
-        info.fMargin.setEmpty();
-        info.fOffset.setZero();
-        return SkNEW_ARGS(SkTileGridFactory, (info));
-    }
-    SkDebugf("Invalid bbh type %s, must be one of rtree, tilegrid.\n", FLAGS_bbh[0]);
-    return NULL;
-}
-
-static void rerecord(const SkPicture& src, SkBBHFactory* bbhFactory) {
-    SkPictureRecorder recorder;
-    if (FLAGS_skr) {
-        src.playback(recorder.EXPERIMENTAL_beginRecording(src.cullRect().width(), 
-                                                      src.cullRect().height(), 
-                                                      bbhFactory));
-    } else {
-        src.playback(recorder.  DEPRECATED_beginRecording(src.cullRect().width(), 
-                                                      src.cullRect().height(), 
-                                                      bbhFactory));
-    }
-    SkAutoTUnref<SkPicture> pic(recorder.endRecording());
-}
-
-static void bench_record(const SkPicture& src,
-                         const double timerOverhead,
-                         const char* name,
-                         SkBBHFactory* bbhFactory) {
-    // Rerecord once to warm up any caches.  Otherwise the first sample can be very noisy.
-    rerecord(src, bbhFactory);
-
-    // Rerecord once to see how many times we should loop to make timer overhead insignificant.
-    WallTimer timer;
-    const double scale = timescale();
-    do {
-        timer.start();
-        rerecord(src, bbhFactory);
-        timer.end();
-    } while (timer.fWall * scale < timerOverhead);  // Loop just in case something bizarre happens.
-
-    // We want (timer overhead / measurement) to be less than FLAGS_overheadGoal.
-    // So in each sample, we'll loop enough times to have made that true for our first measurement.
-    const int loops = (int)ceil(timerOverhead / timer.fWall / FLAGS_overheadGoal);
-
-    SkAutoTMalloc<double> samples(FLAGS_samples);
-    for (int i = 0; i < FLAGS_samples; i++) {
-        timer.start();
-        for (int j = 0; j < loops; j++) {
-            rerecord(src, bbhFactory);
-        }
-        timer.end();
-        samples[i] = timer.fWall * scale / loops;
-    }
-
-    Stats stats(samples.get(), FLAGS_samples);
-    if (FLAGS_verbose == 0) {
-        printf("%g\t%s\n", stats.min, name);
-    } else if (FLAGS_verbose == 1) {
-        // Get a rough idea of how noisy the measurements were.
-        const double noisePercent = 100 * sqrt(stats.var) / stats.mean;
-        printf("%g\t%g\t%g\t±%.0f%%\t%s\n", stats.min, stats.mean, stats.max, noisePercent, name);
-    } else if (FLAGS_verbose == 2) {
-        printf("%s", name);
-        for (int i = 0; i < FLAGS_samples; i++) {
-            printf("\t%g", samples[i]);
-        }
-        printf("\n");
-    }
-}
-
-int tool_main(int argc, char** argv);
-int tool_main(int argc, char** argv) {
-    SkCommandLineFlags::Parse(argc, argv);
-    SkAutoGraphics autoGraphics;
-
-    if (FLAGS_bbh.count() > 1) {
-        SkDebugf("Multiple bbh arguments supplied.\n");
-        return 1;
-    }
-
-    SkAutoTDelete<SkBBHFactory> bbhFactory(parse_FLAGS_bbh());
-
-    // Each run will use this timer overhead estimate to guess how many times it should run.
-    static const int kOverheadLoops = 10000000;
-    WallTimer timer;
-    double overheadEstimate = 0.0;
-    const double scale = timescale();
-    for (int i = 0; i < kOverheadLoops; i++) {
-        timer.start();
-        timer.end();
-        overheadEstimate += timer.fWall * scale;
-    }
-    overheadEstimate /= kOverheadLoops;
-
-    SkOSFile::Iter it(FLAGS_skps[0], ".skp");
-    SkString filename;
-    bool failed = false;
-    while (it.next(&filename)) {
-        if (SkCommandLineFlags::ShouldSkip(FLAGS_match, filename.c_str())) {
-            continue;
-        }
-
-        const SkString path = SkOSPath::Join(FLAGS_skps[0], filename.c_str());
-
-        SkAutoTUnref<SkStream> stream(SkStream::NewFromFile(path.c_str()));
-        if (!stream) {
-            SkDebugf("Could not read %s.\n", path.c_str());
-            failed = true;
-            continue;
-        }
-        SkAutoTUnref<SkPicture> src(
-            SkPicture::CreateFromStream(stream, sk_tools::LazyDecodeBitmap));
-        if (!src) {
-            SkDebugf("Could not read %s as an SkPicture.\n", path.c_str());
-            failed = true;
-            continue;
-        }
-        bench_record(*src, overheadEstimate, filename.c_str(), bbhFactory.get());
-    }
-    return failed ? 1 : 0;
-}
-
-#if !defined SK_BUILD_FOR_IOS
-int main(int argc, char * const argv[]) {
-    return tool_main(argc, (char**) argv);
-}
-#endif