1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause 3 * 4 * Copyright (c) 2026, Netflix, Inc. 5 * 6 * This software was developed by Ali Mashtizadeh under the sponsorship from 7 * Netflix, Inc. 8 * 9 * Redistribution and use in source and binary forms, with or without 10 * modification, are permitted provided that the following conditions 11 * are met: 12 * 1. Redistributions of source code must retain the above copyright 13 * notice, this list of conditions and the following disclaimer. 14 * 2. Redistributions in binary form must reproduce the above copyright 15 * notice, this list of conditions and the following disclaimer in the 16 * documentation and/or other materials provided with the distribution. 17 * 18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 19 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 20 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 21 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 22 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 23 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 24 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 25 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 26 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 27 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 28 * SUCH DAMAGE. 29 * 30 */ 31 32 #define COLOR256_GREEN 46 33 #define COLOR256_RED 196 34 #define COLOR256_YELLOW 226 35 36 void setup_screen(); 37 38 /* Formatting */ 39 std::string format_siprefix(uint64_t count); 40 std::string format_binprefix(uint64_t count); 41 std::string format_sample(uint64_t count, uint64_t total); 42 std::string format_percent(uint64_t count, uint64_t total); 43 44 /* Printing */ 45 enum class siunit { 46 seconds, 47 // Special 48 cycles, 49 percent 50 }; 51 52 void title(const std::string &msg); 53 void header(const std::string &msg); 54 void printval(const std::string &msg, uint64_t val, siunit ui); 55 void printval(const std::string &msg, float val, siunit ui); 56 void printbar(float percent); 57 58 /* Tables */ 59 class field 60 { 61 public: field()62 field() { } 63 field(const std::string &s); 64 field(int64_t v); 65 field(float v); 66 field(int64_t count, int64_t total, bool percent = false); 67 field(int64_t user_count, int64_t user_total, 68 int64_t kernel_count, int64_t kernel_total); ~field()69 virtual ~field() { } 70 virtual bool operator>(const field &b) const; 71 virtual bool operator<(const field &b) const; 72 virtual std::string to_string(); 73 virtual size_t length(); 74 private: 75 enum class FIELD { 76 STRING, 77 INTEGER, 78 FLOAT, 79 SAMPLE, 80 DSAMPLE, 81 PERCENT 82 }; 83 FIELD type; 84 int64_t value[4]; 85 float fvalue; 86 std::string svalue; 87 }; 88 89 class table 90 { 91 public: 92 table(); 93 ~table(); 94 void addcolumn(const std::string &c, bool alignleft = false); 95 void addrow(std::vector<field> r); 96 void sort(int col, bool descending = true); 97 void print(); 98 private: 99 int sortcol; 100 bool sortdir; 101 std::vector<std::string> cols; 102 std::vector<bool> align; 103 std::vector<std::vector<field>> rows; 104 }; 105 106