File indexing completed on 2024-04-21 05:41:33

 /*
     This file is part of KCachegrind.
 
     SPDX-FileCopyrightText: 2008-2016 Josef Weidendorfer <Josef.Weidendorfer@gmx.de>
 
     SPDX-License-Identifier: GPL-2.0-only
 */
 
 #include <QCoreApplication>
 #include <QTextStream>
 
 #include "tracedata.h"
 #include "loader.h"
 #include "config.h"
 #include "globalconfig.h"
 #include "logger.h"
 
 /*
  * Just a simple command line tool using libcore
  */
 
 void showHelp(QTextStream& out, bool fullHelp = true)
 {
     out <<  "Show profiles from callgrind files. (c) 2010-2016 J. Weidendorfer\n";
 
     if (!fullHelp)
         out << "Type 'cgview -h' for help.\n";
     else
         out << "Usage: cgview [options] <file> ...\n\n"
                "Options:\n"
                " -h        Show this help text\n"
                " -e        Sort list according to exclusive cost\n"
                " -s <ev>   Sort and show counters for event <ev>\n"
                " -c        Sort by call count\n"
                " -b        Show butterfly (callers and callees)\n"
                " -n        Do not detect recursive cycles\n";
 
     exit(1);
 }
 
 
 int main(int argc, char** argv)
 {
     QCoreApplication app(argc, argv);
     QTextStream out(stdout);
 
     Loader::initLoaders();
     ConfigStorage::setStorage(new ConfigStorage);
     GlobalConfig::config()->addDefaultTypes();
 
     QStringList list = app.arguments();
     list.pop_front();
     if (list.isEmpty()) showHelp(out, false);
 
     bool sortByExcl = false;
     bool sortByCount = false;
     bool showCalls = false;
     QString showEvent;
     QStringList files;
 
     for(int arg = 0; arg<list.count(); arg++) {
         if      (list[arg] == QLatin1String("-h")) showHelp(out);
         else if (list[arg] == QLatin1String("-e")) sortByExcl = true;
         else if (list[arg] == QLatin1String("-n")) GlobalConfig::setShowCycles(false);
         else if (list[arg] == QLatin1String("-b")) showCalls = true;
         else if (list[arg] == QLatin1String("-c")) sortByCount = true;
         else if (list[arg] == QLatin1String("-s")) showEvent = list[++arg];
         else
             files << list[arg];
     }
     TraceData* d = new TraceData(new Logger);
     d->load(files);
 
     EventTypeSet* m = d->eventTypes();
     if (m->realCount() == 0) {
         out << "Error: No event types found.\n";
         return 1;
     }
 
     out << "\nTotals for event types:\n";
 
     EventType* et;
     for (int i=0;i<m->realCount();i++) {
         et = m->realType(i);
         out.setFieldWidth(14);
         out.setFieldAlignment(QTextStream::AlignRight);
         out << d->subCost(et).pretty();
         out.setFieldWidth(0);
         out << "   " << et->longName() << " (" << et->name() << ")\n";
     }
     for (int i=0;i<m->derivedCount();i++) {
         et = m->derivedType(i);
         out.setFieldWidth(14);
         out.setFieldAlignment(QTextStream::AlignRight);
         out << d->subCost(et).pretty();
         out.setFieldWidth(0);
         out << "   " << et->longName() <<
                " (" << et->name() << " = " << et->formula() << ")\n";
     }
     out << "\n";
 
     if (showEvent.isEmpty())
         et = m->realType(0);
     else {
         et = m->type(showEvent);
         if (!et) {
             out << "Error: event '" << showEvent << "' not found.\n";
             return 1;
         }
     }
     Q_ASSERT( et!=nullptr );
     out << "Sorted by: " << (sortByExcl ? "Exclusive ":"Inclusive ")
         << et->longName() << " (" << et->name() << ")\n";
 
     QList<TraceFunction*> flist;
     HighestCostList hc;
     hc.clear(50);
     TraceFunctionMap::Iterator it;
     for ( it = d->functionMap().begin(); it != d->functionMap().end(); ++it )
         flist.append(&(*it));
 
     TraceFunction *f;
     foreach(f, d->functionCycles())
         flist.append(f);
 
     foreach(f, flist) {
         if (sortByCount)
             hc.addCost(f, f->calledCount());
         else if (sortByExcl)
             hc.addCost(f, f->subCost(et));
         else
             hc.addCost(f, f->inclusive()->subCost(et));
     }
 
 
     out << "\n     Inclusive     Exclusive       Called  Function name (DSO)\n";
     out << " ==================================================================\n";
 
     out.setFieldAlignment(QTextStream::AlignRight);
     for(int i=0; i<hc.realCount(); i++) {
         f = (TraceFunction*)hc[i];
 
         if (showCalls) {
             if (i>0) out << "\n";
             foreach(TraceCall* c, f->callers()) {
                 out << "  ";
                 out.setFieldWidth(14);
                 out << c->subCost(et).pretty();
                 out.setFieldWidth(0);
                 out << "            ";
                 out.setFieldWidth(13);
                 out << c->prettyCallCount();
                 out.setFieldWidth(0);
                 out << "    < " << c->caller()->prettyName() << "\n";
             }
         }
 
         out.setFieldWidth(14);
         out << f->inclusive()->subCost(et).pretty();
         out << f->subCost(et).pretty();
         out.setFieldWidth(13);
         out << f->prettyCalledCount();
         out.setFieldWidth(0);
         out << "  " << f->name() << " (" << f->object()->name() << ")" << "\n";
 
         if (showCalls) {
             foreach(TraceCall* c, f->callings()) {
                 out << "  ";
                 out.setFieldWidth(14);
                 out << c->subCost(et).pretty();
                 out.setFieldWidth(0);
                 out << "            ";
                 out.setFieldWidth(13);
                 out << c->prettyCallCount();
                 out.setFieldWidth(0);
                 out << "    > " << c->called()->prettyName() << "\n";
             }
         }
 
     }
 }