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Add on systat -vm the ability to display the physical and kernel memory

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percent usage.

PR:		bin/203917
Submitted by:	ota <ota@j.email.ne.jp>
Approved by:	bapt (mentor)
Differential Revision:	https://reviews.freebsd.org/D4281
This commit is contained in:
Marcelo Araujo 2015-12-28 02:07:56 +00:00
parent e26e73f37f
commit 18b14b4415
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=292817
1 changed files with 13 additions and 1 deletions
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14
usr.bin/systat/vmstat.c
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@ -108,6 +108,7 @@ static struct Info {
u_int v_active_count; /* number of pages active */
u_int v_inactive_count; /* number of pages inactive */
u_int v_cache_count; /* number of pages on buffer cache queue */
u_long v_kmem_map_size; /* Current kmem allocation size */
struct vmtotal Total;
struct nchstats nchstats;
long nchcount;
@ -118,6 +119,8 @@ static struct Info {
long freevnodes;
int numdirtybuffers;
} s, s1, s2, z;
static u_long kmem_size;
static u_int v_page_count;
struct statinfo cur, last, run;
@ -278,6 +281,8 @@ initkre(void)
allocinfo(&s2);
allocinfo(&z);
}
GETSYSCTL("vm.kmem_size", kmem_size);
GETSYSCTL("vm.stats.vm.v_page_count", v_page_count);
getinfo(&s2);
copyinfo(&s2, &s1);
return(1);
@ -307,7 +312,8 @@ labelkre(void)
clear();
mvprintw(STATROW, STATCOL + 6, "users Load");
mvprintw(MEMROW, MEMCOL, "Mem:KB REAL VIRTUAL");
mvprintw(STATROW + 1, STATCOL + 3, "Mem usage: %%Phy %%Kmem");
mvprintw(MEMROW, MEMCOL, "Mem: KB REAL VIRTUAL");
mvprintw(MEMROW + 1, MEMCOL, " Tot Share Tot Share");
mvprintw(MEMROW + 2, MEMCOL, "Act");
mvprintw(MEMROW + 3, MEMCOL, "All");
@ -478,6 +484,11 @@ showkre(void)
putfloat(avenrun[2], STATROW, STATCOL + 32, 5, 2, 0);
mvaddstr(STATROW, STATCOL + 55, buf);
#define pgtokb(pg) ((pg) * (s.v_page_size / 1024))
putfloat(100.0 * (v_page_count - total.t_free) / v_page_count,
STATROW + 1, STATCOL + 15, 2, 0, 1);
putfloat(100.0 * s.v_kmem_map_size / kmem_size,
STATROW + 1, STATCOL + 22, 2, 0, 1);
putint(pgtokb(total.t_arm), MEMROW + 2, MEMCOL + 4, 7);
putint(pgtokb(total.t_armshr), MEMROW + 2, MEMCOL + 12, 7);
putint(pgtokb(total.t_avm), MEMROW + 2, MEMCOL + 20, 8);
@ -790,6 +801,7 @@ getinfo(struct Info *ls)
GETSYSCTL("vfs.freevnodes", ls->freevnodes);
GETSYSCTL("vfs.cache.nchstats", ls->nchstats);
GETSYSCTL("vfs.numdirtybuffers", ls->numdirtybuffers);
GETSYSCTL("vm.kmem_map_size", ls->v_kmem_map_size);
getsysctl("hw.intrcnt", ls->intrcnt, nintr * sizeof(u_long));
size = sizeof(ls->Total);