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Code Issues Releases Activity

Reimplement the vmstat -f option (display fork statistics).

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PR:		50924
Submitted by:	Ken Stailey (with a few changes)
This commit is contained in:
Tim J. Robbins 2003-04-14 07:21:03 +00:00
parent f5270431be
commit 3c93cfb510
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=113460
1 changed files with 17 additions and 15 deletions
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32
usr.bin/vmstat/vmstat.c
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@ -101,15 +101,13 @@ static struct nlist namelist[] = {
#ifdef notyet
#define X_DEFICIT 10
{ "_deficit" },
#define X_FORKSTAT 11
{ "_forkstat" },
#define X_REC 12
#define X_REC 11
{ "_rectime" },
#define X_PGIN 13
#define X_PGIN 12
{ "_pgintime" },
#define X_XSTATS 14
#define X_XSTATS 13
{ "_xstats" },
#define X_END 15
#define X_END 14
#else
#define X_END 10
#endif
@ -149,6 +147,7 @@ static void dosysctl(char *);
static void domem(void);
static void dointr(void);
static void dosum(void);
static void doforkst(void);
static void dovmstat(u_int, int);
static void dozmem(void);
static void kread(int, void *, size_t);
@ -181,7 +180,7 @@ main(argc, argv)
reps = atoi(optarg);
break;
case 'f':
errx(EX_USAGE, "sorry, -f is not (re)implemented yet");
todo |= FORKSTAT;
break;
case 'i':
todo |= INTRSTAT;
@ -295,10 +294,8 @@ main(argc, argv)
} else if (reps)
interval = 1;
#ifdef notyet
if (todo & FORKSTAT)
doforkst();
#endif
if (todo & MEMSTAT)
domem();
if (todo & ZMEMSTAT)
@ -652,19 +649,24 @@ dosum()
PCT(lnchstats.ncs_long, nchtotal));
}
#ifdef notyet
void
doforkst()
{
struct forkstat fks;
kread(X_FORKSTAT, &fks, sizeof(struct forkstat));
kread(X_SUM, &sum, sizeof(sum));
(void)printf("%d forks, %d pages, average %.2f\n",
fks.cntfork, fks.sizfork, (double)fks.sizfork / fks.cntfork);
sum.v_forks, sum.v_forkpages,
sum.v_forks == 0 ? 0.0 :
(double)sum.v_forkpages / sum.v_forks);
(void)printf("%d vforks, %d pages, average %.2f\n",
fks.cntvfork, fks.sizvfork, (double)fks.sizvfork / fks.cntvfork);
sum.v_vforks, sum.v_vforkpages,
sum.v_vforks == 0 ? 0.0 :
(double)sum.v_vforkpages / sum.v_vforks);
(void)printf("%d rforks, %d pages, average %.2f\n",
sum.v_rforks, sum.v_rforkpages,
sum.v_rforks == 0 ? 0.0 :
(double)sum.v_rforkpages / sum.v_rforks);
}
#endif
static void
devstats()