source: src/Common/Stats/Counter.cc @ a1099278

//
// Cforall Version 1.0.0 Copyright (C) 2019 University of Waterloo
//
// The contents of this file are covered under the licence agreement in the
// file "LICENCE" distributed with Cforall.
//
// Heap.h --
//
// Author           : Thierry Delisle
// Created On       : Thu Feb 28 13::27:10 2019
// Last Modified By :
// Last Modified On :
// Update Count     :
//

#include "Counter.h"

#include <algorithm>
#include <cstring>
#include <iomanip>

namespace Stats {
        namespace Counters {

                template<typename T>
                void ForAllCounters(BaseCounter::list_t & range, size_t level, T func) {
                        auto it = range.head;
                        while(it) {
                                auto next = it->next;
                                func(it, level);
                                ForAllCounters(it->children, level + 1, func);
                                it = next;
                        }
                }

                void print() {
                        if(!BaseCounter::top.head) return;
                        size_t nc = 0;
                        ForAllCounters(BaseCounter::top, 0, [&](BaseCounter * node, size_t level) {
                                nc = std::max(nc, (4 * level) + std::strlen(node->name));
                        });

                        const char * const title = "Counter Statistic";
                        size_t nct = nc + 14;
                        std::cerr << std::string(nct, '=') << std::endl;
                        std::cerr << std::string((nct - std::strlen(title)) / 2, ' ');
                        std::cerr << title << std::endl;
                        std::cerr << std::string(nct, '-') << std::endl;


                        ForAllCounters(BaseCounter::top, 0, [&](BaseCounter * node, size_t level) {
                                std::cerr << std::string(level * 4, ' ');
                                std::cerr << node->name;
                                std::cerr << std::string(nc - ((level * 4) + std::strlen(node->name)), ' ');
                                std::cerr << " | ";
                                std::cerr << std::setw(9);
                                node->print(std::cerr);
                                std::cerr << " |";
                                std::cerr << '\n';
                                delete node;
                        });

                        std::cerr << std::string(nct, '-') << std::endl;
                }

                BaseCounter::list_t BaseCounter::top;
        }
}