1 /*- 2 * Copyright (c) 2019 Yoshihiro Ota 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 3. Neither the name of the University nor the names of its contributors 13 * may be used to endorse or promote products derived from this software 14 * without specific prior written permission. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/types.h> 33 #include <sys/sysctl.h> 34 35 #include <inttypes.h> 36 #include <string.h> 37 #include <err.h> 38 #include <libutil.h> 39 40 #include "systat.h" 41 #include "extern.h" 42 43 void 44 sysputspaces(WINDOW *wd, int row, int col, int width) 45 { 46 static char str40[] = " "; 47 48 mvwaddstr(wd, row, col, str40 + sizeof(str40) - width - 1); 49 } 50 51 void 52 sysputstrs(WINDOW *wd, int row, int col, int width) 53 { 54 static char str40[] = "****************************************"; 55 56 mvwaddstr(wnd, row, col, str40 + sizeof(str40) - width - 1); 57 } 58 59 void 60 sysputuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags) 61 { 62 char unit, *ptr, *start, wrtbuf[width + width + 1]; 63 int len; 64 65 unit = 0; 66 start = wrtbuf; 67 flags |= HN_NOSPACE; 68 69 if (val > INT64_MAX) 70 goto error; 71 else 72 len = humanize_number(&wrtbuf[width], width + 1, val, "", 73 HN_AUTOSCALE, flags); 74 if (len < 0) 75 goto error; 76 else if (len < width) 77 memset(wrtbuf + len, ' ', width - len); 78 start += len; 79 80 mvwaddstr(wd, row, col, start); 81 return; 82 83 error: 84 sysputstrs(wd, row, col, width); 85 } 86 87 void 88 sysputwuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags) 89 { 90 if(val == 0) 91 sysputspaces(wd, row, col, width); 92 else 93 sysputuint64(wd, row, col, width, val, flags); 94 } 95 96 static int 97 calc_page_shift() 98 { 99 u_int page_size; 100 int shifts; 101 102 shifts = 0; 103 GETSYSCTL("vm.stats.vm.v_page_size", page_size); 104 for(; page_size > 1; page_size >>= 1) 105 shifts++; 106 return shifts; 107 } 108 109 void 110 sysputpage(WINDOW *wd, int row, int col, int width, uint64_t pages, int flags) 111 { 112 static int shifts = 0; 113 114 if (shifts == 0) 115 shifts = calc_page_shift(); 116 pages <<= shifts; 117 sysputuint64(wd, row, col, width, pages, flags); 118 } 119