1/* 2 * Copyright (c) 2002-2004, 2008 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_LICENSE_HEADER_START@ 5 * 6 * The contents of this file constitute Original Code as defined in and 7 * are subject to the Apple Public Source License Version 1.1 (the 8 * "License"). You may not use this file except in compliance with the 9 * License. Please obtain a copy of the License at 10 * http://www.apple.com/publicsource and read it before using this file. 11 * 12 * This Original Code and all software distributed under the License are 13 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER 14 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 15 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 16 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the 17 * License for the specific language governing rights and limitations 18 * under the License. 19 * 20 * @APPLE_LICENSE_HEADER_END@ 21 */ 22 23#include <stdlib.h> 24#include <sys/time.h> 25#include "libtop.h" 26#include "cpu.h" 27#include "generic.h" 28#include "preferences.h" 29#include "log.h" 30 31extern const libtop_tsamp_t *tsamp; 32 33static bool cpu_insert_cell(struct statistic *s, const void *sample) { 34 const libtop_psamp_t *psamp = sample; 35 struct timeval elapsed, used; 36 char buf[10]; 37 unsigned long long elapsed_us = 0, used_us = 0; 38 int whole = 0, part = 0; 39 40 if(0 == psamp->p_seq) { 41 whole = 0; 42 part = 0; 43 44 if(-1 == snprintf(buf, sizeof(buf), "%d.%1d", whole, part)) 45 return true; 46 47 return generic_insert_cell(s, buf); 48 } 49 50 51 switch(top_prefs_get_mode()) { 52 case STATMODE_ACCUM: 53 timersub(&tsamp->time, &tsamp->b_time, &elapsed); 54 timersub(&psamp->total_time, &psamp->b_total_time, &used); 55 break; 56 57 58 case STATMODE_EVENT: 59 case STATMODE_DELTA: 60 case STATMODE_NON_EVENT: 61 timersub(&tsamp->time, &tsamp->p_time, &elapsed); 62 timersub(&psamp->total_time, &psamp->p_total_time, &used); 63 break; 64 65 default: 66 fprintf(stderr, "unhandled STATMOMDE in %s\n", __func__); 67 abort(); 68 } 69 70 elapsed_us = (unsigned long long)elapsed.tv_sec * 1000000ULL 71 + (unsigned long long)elapsed.tv_usec; 72 73 used_us = (unsigned long long)used.tv_sec * 1000000ULL 74 + (unsigned long long)used.tv_usec; 75 76 /* Avoid a divide by 0 exception. */ 77 if(elapsed_us > 0) { 78 whole = (used_us * 100ULL) / elapsed_us; 79 part = (((used_us * 100ULL) - (whole * elapsed_us)) * 10ULL) / elapsed_us; 80 } 81 82 //top_log("command %s whole %d part %d\n", psamp->command, whole, part); 83 84 if(-1 == snprintf(buf, sizeof(buf), "%d.%1d", whole, part)) 85 return true; 86 87 return generic_insert_cell(s, buf); 88} 89 90static struct statistic_callbacks callbacks = { 91 .draw = generic_draw, 92 .resize_cells = generic_resize_cells, 93 .move_cells = generic_move_cells, 94 .get_request_size = generic_get_request_size, 95 .get_minimum_size = generic_get_minimum_size, 96 .insert_cell = cpu_insert_cell, 97 .reset_insertion = generic_reset_insertion 98}; 99 100struct statistic *top_cpu_create(WINDOW *parent, const char *name) { 101 return create_statistic(STATISTIC_CPU, parent, NULL, &callbacks, name); 102} 103