8d06c3e7a4
Preserve more space for swap devise names. Prevent line overflow with long devise name. Don't draw a bar when swap is not used at all. Simplify and optimize code. Change the label to end at end of 100%. PR: 251655 MFC after: 2 weeks Differential Revision: https://reviews.freebsd.org/D27496
130 lines
3.5 KiB
C
130 lines
3.5 KiB
C
/*-
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* Copyright (c) 2019, 2020 Yoshihiro Ota
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/types.h>
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#include <sys/sysctl.h>
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#include <inttypes.h>
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#include <string.h>
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#include <err.h>
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#include <libutil.h>
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#include "systat.h"
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#include "extern.h"
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void
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sysputspaces(WINDOW *wd, int row, int col, int width)
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{
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static char str60[] = " "
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" ";
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mvwaddstr(wd, row, col, str60 + sizeof(str60) - width - 1);
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}
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void
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sysputstrs(WINDOW *wd, int row, int col, int width)
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{
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static char str60[] = "********************"
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"****************************************";
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mvwaddstr(wnd, row, col, str60 + sizeof(str60) - width - 1);
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}
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void
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sysputXs(WINDOW *wd, int row, int col, int width)
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{
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static char str60[] = "XXXXXXXXXXXXXXXXXXXX"
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"XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX";
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mvwaddstr(wnd, row, col, str60 + sizeof(str60) - width - 1);
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}
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void
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sysputuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags)
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{
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char unit, *ptr, *start, wrtbuf[width + width + 1];
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int len;
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unit = 0;
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start = wrtbuf;
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flags |= HN_NOSPACE;
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if (val > INT64_MAX)
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goto error;
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else
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len = humanize_number(&wrtbuf[width], width + 1, val, "",
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HN_AUTOSCALE, flags);
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if (len < 0)
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goto error;
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else if (len < width)
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memset(wrtbuf + len, ' ', width - len);
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start += len;
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mvwaddstr(wd, row, col, start);
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return;
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error:
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sysputstrs(wd, row, col, width);
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}
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void
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sysputwuint64(WINDOW *wd, int row, int col, int width, uint64_t val, int flags)
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{
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if(val == 0)
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sysputspaces(wd, row, col, width);
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else
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sysputuint64(wd, row, col, width, val, flags);
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}
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static int
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calc_page_shift()
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{
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u_int page_size;
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int shifts;
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shifts = 0;
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GETSYSCTL("vm.stats.vm.v_page_size", page_size);
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for(; page_size > 1; page_size >>= 1)
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shifts++;
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return shifts;
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}
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void
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sysputpage(WINDOW *wd, int row, int col, int width, uint64_t pages, int flags)
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{
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static int shifts = 0;
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if (shifts == 0)
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shifts = calc_page_shift();
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pages <<= shifts;
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sysputuint64(wd, row, col, width, pages, flags);
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}
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