Thank you both for your comments.
An updated patch, in the first one I missed handling the -n flag :(
# ./sysctl kern.cp_time
kern.cp_time=23725,0,189448,89073,27969981
# ./sysctl kern.cp_time2
kern.cp_time2.0=30675,0,204640,342526,27687398
kern.cp_time2.1=13907,0,119539,2129,28140911
kern.cp_time2.2=19826,0,162028,3620,28090129
kern.cp_time2.3=30492,0,271589,8022,27962123
# ./sysctl kern.cp_time2.0
kern.cp_time2.0=30675,0,204640,342527,27687581
# ./sysctl kern.cp_time2.1
kern.cp_time2.1=13907,0,119539,2129,28141226
# ./sysctl kern.cp_time2.2
kern.cp_time2.2=19826,0,162029,3620,28090527
# ./sysctl kern.cp_time2.3
kern.cp_time2.3=30493,0,271594,8022,27962683
# ./sysctl kern.cp_time2.4
sysctl: kern.cp_time2.4: third level '4' too large
# ./sysctl hw.ncpu
hw.ncpu=4
# ./sysctl kern.cp_time2.-1
sysctl: kern.cp_time2.-1: third level '-1' too small
# ./sysctl kern.cp_time2.a
sysctl: kern.cp_time2.a: third level 'a' invalid
# ./sysctl kern.cp_time2.
sysctl: kern.cp_time2.: third level '' invalid
# ./sysctl kern.cp_time2.0.0.0
sysctl: kern.cp_time2.0.0.0: third level '0.0.0' invalid
# ./sysctl -n kern.cp_time2
30678,0,204669,342565,27691239
13907,0,119546,2129,28144816
19827,0,162053,3620,28094016
30495,0,271635,8023,27965986
# ./sysctl -n kern.cp_time2.0
30678,0,204669,342573,27691470
# ./sysctl -a 2>&1 | egrep -i cp_time
kern.cp_time=23728,0,189500,89091,27977016
kern.cp_time2.0=30680,0,204701,342594,27694212
kern.cp_time2.1=13907,0,119553,2129,28147846
kern.cp_time2.2=19828,0,162082,3621,28097021
kern.cp_time2.3=30499,0,271666,8023,27968987
# ./sysctl -A 2>&1 | egrep -i cp_time
kern.cp_time=23729,0,189504,89092,27977436
kern.cp_time2.0=30681,0,204707,342597,27694629
kern.cp_time2.1=13908,0,119554,2129,28148270
kern.cp_time2.2=19828,0,162088,3621,28097441
kern.cp_time2.3=30500,0,271671,8023,27969406
--
Andrei.
Index: src/sbin/sysctl/sysctl.c
===================================================================
RCS file: /cvs/src/sbin/sysctl/sysctl.c,v
retrieving revision 1.211
diff -u -p -u -r1.211 sysctl.c
--- src/sbin/sysctl/sysctl.c 18 Apr 2015 18:28:37 -0000 1.211
+++ src/sbin/sysctl/sysctl.c 28 Oct 2015 16:18:43 -0000
@@ -215,6 +215,7 @@ int sysctl_emul(char *, char *, int);
#ifdef CPU_CHIPSET
int sysctl_chipset(char *, char **, int *, int, int *);
#endif
+int sysctl_cptime2(char *, char **, int *, int, int *);
void vfsinit(void);
char *equ = "=";
@@ -412,6 +413,9 @@ parse(char *string, int flags)
special |= LONGARRAY;
lal = CPUSTATES;
break;
+ case KERN_CPTIME2:
+ sysctl_cptime2(string, &bufp, mib, flags,
&type);
+ return;
case KERN_SEMINFO:
len = sysctl_seminfo(string, &bufp, mib, flags,
&type);
if (len < 0)
@@ -2759,6 +2763,84 @@ sysctl_emul(char *string, char *newval,
return (0);
+}
+
+int
+sysctl_cptime2(char *string, char **bufpp, int mib[], int flags, int
*typep)
+{
+ int local_mib[2], ncpu, i, cpu;
+ size_t len;
+ u_int64_t cp_time2[CPUSTATES];
+ char *second, *third;
+ const char *errstr;
+
+ local_mib[0] = CTL_HW;
+ local_mib[1] = HW_NCPU;
+ len = sizeof(ncpu);
+ if (sysctl(local_mib, 2, &ncpu, &len, NULL, 0) == -1) {
+ err(1, "%s can't get number of cpus (hw.ncpu)", string);
+ return (0);
+ }
+
+ len = sizeof(cp_time2);
+ second = strchr(string, '.');
+ if (!second) {
+ errx(1, "%s: can't get mib second level name", string);
+ return (0);
+ }
+ second++;
+ third = strchr(second, '.');
+ if (!third) {
+ for (i = 0; i < ncpu; i++) {
+ mib[2] = i;
+ if (sysctl(mib, 3, &cp_time2, &len, NULL, 0) ==
-1) {
+ warn("%s.%d can't get cpu states",
string, i);
+ continue;
+ }
+
+ if (!nflag)
+ (void)printf("%s.%d=", string, i);
+ (void)printf("%ld,%ld,%ld,%ld,%ld\n",
+ cp_time2[CP_USER],
+ cp_time2[CP_NICE],
+ cp_time2[CP_SYS],
+ cp_time2[CP_INTR],
+ cp_time2[CP_IDLE]
+ );
+ }
+ }
+ else {
+ third++;
+ if (ncpu > 1) {
+ cpu = strtonum(third, 0, ncpu - 1, &errstr);
+ }
+ else {
+ cpu = strtonum(third, 0, 0, &errstr);
+ }
+ if (errstr) {
+ errx(1, "%s: third level '%s' %s", string,
third,
+ errstr);
+ return (0);
+ }
+
+ mib[2] = cpu;
+ if (sysctl(mib, 3, &cp_time2, &len, NULL, 0) == -1) {
+ warn("%s can't get cpu states", string);
+ return (0);
+ }
+
+ if (!nflag)
+ (void)printf("%s=", string);
+ (void)printf("%ld,%ld,%ld,%ld,%ld\n",
+ cp_time2[CP_USER],
+ cp_time2[CP_NICE],
+ cp_time2[CP_SYS],
+ cp_time2[CP_INTR],
+ cp_time2[CP_IDLE]
+ );
+ }
+
+ return (1);
}
static int
Index: src/sbin/sysctl/sysctl.8
===================================================================
RCS file: /cvs/src/sbin/sysctl/sysctl.8,v
retrieving revision 1.187
diff -u -p -u -r1.187 sysctl.8
--- src/sbin/sysctl/sysctl.8 3 Oct 2015 09:17:13 -0000 1.187
+++ src/sbin/sysctl/sysctl.8 28 Oct 2015 16:18:43 -0000
@@ -153,6 +153,7 @@ and a few require a kernel compiled with
.It kern.malloc.kmemnames Ta string Ta no
.It kern.malloc.kmemstat.<name> Ta string Ta no
.It kern.cp_time Ta struct Ta no
+.It kern.cp_time2 Ta struct Ta no
.It kern.nchstats Ta struct Ta no
.It kern.forkstat Ta struct Ta no
.It kern.nselcoll Ta integer Ta no
