Differential D29754 Diff 88581 usr.bin/systat/swap.c

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usr.bin/systat/swap.c

/*-		/*-
* SPDX-License-Identifier: BSD-3-Clause		* SPDX-License-Identifier: BSD-3-Clause
*		*
* Copyright (c) 1980, 1992, 1993		* Copyright (c) 1980, 1992, 1993
* The Regents of the University of California. All rights reserved.		* The Regents of the University of California. All rights reserved.
* Copyright (c) 2017, 2020 Yoshihiro Ota		* Copyright (c) 2017, 2020, 2021 Yoshihiro Ota
		kibUnsubmitted Done Inline Actions I do not think that this changes deserve a copyright line, at least according to our typical policy of 20% changes. kib: I do not think that this changes deserve a copyright line, at least according to our typical…
		ota_j.email.ne.jpAuthorUnsubmitted Done Inline Actions Is it 20% changes per commit or over a year? I'm just curious. ota_j.email.ne.jp: Is it 20% changes per commit or over a year? I'm just curious.
		kibUnsubmitted Not Done Inline Actions Total. I did not looked at the blame output. If you are the author of more than 1/5 of this file, then it is fine, of course. kib: Total. I did not looked at the blame output. If you are the author of more than 1/5 of this…
*		*
* Redistribution and use in source and binary forms, with or without		* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions		* modification, are permitted provided that the following conditions
* are met:		* are met:
* 1. Redistributions of source code must retain the above copyright		* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.		* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright		* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the		* notice, this list of conditions and the following disclaimer in the
▲ Show 20 Lines • Show All 83 Lines • ▼ Show 20 Lines	if (once)
return (1);		return (1);

if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {		if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
error("systat: kvm_getswapinfo failed");		error("systat: kvm_getswapinfo failed");
return (0);		return (0);
}		}
pathlen = 80 - 50 /* % / - 5 / Used / - 5 / Size / - 3 / space */;		pathlen = 80 - 50 /* % / - 5 / Used / - 5 / Size / - 3 / space */;
dsinit(12);		dsinit(12);
		procinit();
once = 1;		once = 1;

return (1);		return (1);
}		}

void		void
fetchswap(void)		fetchswap(void)
{		{

okvnsw = kvnsw;		okvnsw = kvnsw;
if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {		if ((kvnsw = kvm_getswapinfo(kd, kvmsw, NSWAP, 0)) < 0) {
error("systat: kvm_getswapinfo failed");		error("systat: kvm_getswapinfo failed");
return;		return;
}		}

struct devinfo *tmp_dinfo;		struct devinfo *tmp_dinfo;

tmp_dinfo = last_dev.dinfo;		tmp_dinfo = last_dev.dinfo;
last_dev.dinfo = cur_dev.dinfo;		last_dev.dinfo = cur_dev.dinfo;
cur_dev.dinfo = tmp_dinfo;		cur_dev.dinfo = tmp_dinfo;

last_dev.snap_time = cur_dev.snap_time;		last_dev.snap_time = cur_dev.snap_time;
dsgetinfo( &cur_dev );		dsgetinfo(&cur_dev);
		procgetinfo();
}		}

void		void
labelswap(void)		labelswap(void)
{		{
const char *name;
int i;

werase(wnd);		werase(wnd);

dslabel(12, 0, LINES - DISKHIGHT - 1);		dslabel(12, 0, LINES - DISKHIGHT - 1);

if (kvnsw <= 0) {		if (kvnsw <= 0) {
mvwprintw(wnd, 0, 0, "(swap not configured)");		mvwprintw(wnd, 0, 0, "(swap not configured)");
return;		return;
}		}

mvwprintw(wnd, 0, 0, "%*s%5s %5s %s",		mvwprintw(wnd, 0, 0, "%*s%5s %5s %s",
-pathlen, "Device/Path", "Size", "Used",		-pathlen, "Device/Path", "Size", "Used",
"\|0% /10 /20 /30 /40 / 60\\ 70\\ 80\\ 90\\ 100\|");		"\|0% /10 /20 /30 /40 / 60\\ 70\\ 80\\ 90\\ 100\|");

for (i = 0; i <= kvnsw; ++i) {
name = i == kvnsw ? "Total" : kvmsw[i].ksw_devname;
mvwprintw(wnd, 1 + i, 0, "%-.s", pathlen, pathlen - 1, name);
}		}
}

void		void
showswap(void)		showswap(void)
{		{
int count;		const char *name;
int i;		int count, i;

if (kvnsw != okvnsw)		if (kvnsw != okvnsw)
labelswap();		labelswap();

dsshow(12, 0, LINES - DISKHIGHT - 1, &cur_dev, &last_dev);		dsshow(12, 0, LINES - DISKHIGHT - 1, &cur_dev, &last_dev);

if (kvnsw <= 0)		if (kvnsw <= 0)
return;		return;

for (i = 0; i <= kvnsw; ++i) {		for (i = (kvnsw == 1 ? 0 : kvnsw); i >= 0; i--) {
		name = i == kvnsw ? "Total" : kvmsw[i].ksw_devname;
		mvwprintw(wnd, 1 + i, 0, "%-.s", pathlen, pathlen - 1, name);

sysputpage(wnd, i + 1, pathlen, 5, kvmsw[i].ksw_total, 0);		sysputpage(wnd, i + 1, pathlen, 5, kvmsw[i].ksw_total, 0);
sysputpage(wnd, i + 1, pathlen + 5 + 1, 5, kvmsw[i].ksw_used,		sysputpage(wnd, i + 1, pathlen + 5 + 1, 5, kvmsw[i].ksw_used,
0);		0);

if (kvmsw[i].ksw_used > 0) {		if (kvmsw[i].ksw_used > 0) {
count = 50 * kvmsw[i].ksw_used / kvmsw[i].ksw_total;		count = 50 * kvmsw[i].ksw_used / kvmsw[i].ksw_total;
sysputXs(wnd, i + 1, pathlen + 5 + 1 + 5 + 1, count);		sysputXs(wnd, i + 1, pathlen + 5 + 1 + 5 + 1, count);
}		}
wclrtoeol(wnd);		wclrtoeol(wnd);
}		}
		if (kvnsw == 1)
		count = 2;
		else
		count = 3;
		kibUnsubmitted Done Inline Actions I would wrote this as `count = kvnsw == 1 ? 2 : 3;` kib: I would wrote this as `count = kvnsw == 1 ? 2 : 3;`
		proclabel(kvnsw + count);
		procshow(kvnsw + count, LINES - 5 - (kvnsw + 3) - (DISKHIGHT + 1),
		kibUnsubmitted Done Inline Actions Excess (), two times kib: Excess (), two times
		kvmsw[kvnsw].ksw_total);
}		}