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vmstat: remove processor counting from getcpuinfo()

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As `ncpus` was otherwise unused, keeping track was pointless.  Gets rid
of a warning from an unused variable.

Reviewed by:	kib
MFC after:	1 week
Differential Revision: https://reviews.freebsd.org/D36628
This commit is contained in:
Elliott Mitchell 2022-09-29 09:27:24 -07:00 committed by Konstantin Belousov
parent c8b6939dfa
commit 42dc8696df
1 changed files with 5 additions and 10 deletions
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15
usr.bin/vmstat/vmstat.c
View file

@ -604,18 +604,17 @@ fill_vmtotal(struct vmtotal *vmtp)
}
/* Determine how many cpu columns, and what index they are in kern.cp_times */
static int
static void
getcpuinfo(u_long *maskp, int *maxidp)
{
long *times;
u_long mask;
size_t size;
int empty, i, j, maxcpu, maxid, ncpus;
int empty, i, j, maxcpu, maxid;
if (kd != NULL)
xo_errx(1, "not implemented");
mask = 0;
ncpus = 0;
size = sizeof(maxcpu);
mysysctl("kern.smp.maxcpus", &maxcpu, &size);
if (size != sizeof(maxcpu))
@ -632,16 +631,13 @@ getcpuinfo(u_long *maskp, int *maxidp)
if (times[i * CPUSTATES + j] != 0)
empty = 0;
}
if (!empty) {
if (!empty)
mask |= (1ul << i);
ncpus++;
}
}
if (maskp)
*maskp = mask;
if (maxidp)
*maxidp = maxid;
return (ncpus);
}
@ -670,12 +666,11 @@ dovmstat(unsigned int interval, int reps)
u_long cpumask;
size_t size;
time_t uptime, halfuptime;
int ncpus, maxid, rate_adj, retval;
int maxid, rate_adj, retval;
uptime = getuptime() / 1000000000LL;
halfuptime = uptime / 2;
rate_adj = 1;
ncpus = 1;
maxid = 0;
cpumask = 0;
@ -714,7 +709,7 @@ dovmstat(unsigned int interval, int reps)
}
if (Pflag) {
ncpus = getcpuinfo(&cpumask, &maxid);
getcpuinfo(&cpumask, &maxid);
size_cp_times = sizeof(long) * (maxid + 1) * CPUSTATES;
cur_cp_times = calloc(1, size_cp_times);
last_cp_times = calloc(1, size_cp_times);