On September 16, 2014 2:11:28 PM CEST, Mark Kettenis <mark.kette...@xs4all.nl>
wrote:
>> Date: Tue, 16 Sep 2014 21:51:00 +1000
>> From: David Gwynne <da...@gwynne.id.au>
>>
>> if you have more than 8 cpus, combine the cpu lines by default.
Just curious, is there a command line argument to expand the list?
/Alexander
>>
>> ok?
>
>8 seems a reasonable number
>
>ok kettenis@
>
>> Index: machine.c
>> ===================================================================
>> RCS file: /cvs/src/usr.bin/top/machine.c,v
>> retrieving revision 1.78
>> diff -u -p -r1.78 machine.c
>> --- machine.c 4 Jul 2014 05:58:31 -0000 1.78
>> +++ machine.c 16 Sep 2014 11:46:41 -0000
>> @@ -141,14 +141,26 @@ int ncpu;
>> unsigned int maxslp;
>>
>> int
>> -machine_init(struct statics *statics)
>> +getncpu(void)
>> {
>> + int mib[] = { CTL_HW, HW_NCPU };
>> + int ncpu;
>> size_t size = sizeof(ncpu);
>> - int mib[2], pagesize, cpu;
>>
>> - mib[0] = CTL_HW;
>> - mib[1] = HW_NCPU;
>> - if (sysctl(mib, 2, &ncpu, &size, NULL, 0) == -1)
>> + if (sysctl(mib, sizeof(mib) / sizeof(mib[0]),
>> + &ncpu, &size, NULL, 0) == -1)
>> + return (-1);
>> +
>> + return (ncpu);
>> +}
>> +
>> +int
>> +machine_init(struct statics *statics)
>> +{
>> + int pagesize, cpu;
>> +
>> + ncpu = getncpu();
>> + if (ncpu == -1)
>> return (-1);
>> cpu_states = calloc(ncpu, CPUSTATES * sizeof(int64_t));
>> if (cpu_states == NULL)
>> Index: machine.h
>> ===================================================================
>> RCS file: /cvs/src/usr.bin/top/machine.h,v
>> retrieving revision 1.17
>> diff -u -p -r1.17 machine.h
>> --- machine.h 5 Jun 2012 18:52:53 -0000 1.17
>> +++ machine.h 16 Sep 2014 11:46:41 -0000
>> @@ -93,3 +93,5 @@ extern char *format_next_process(cadd
>> extern uid_t proc_owner(pid_t);
>>
>> extern struct kinfo_proc *getprocs(int, int, int *);
>> +
>> +int getncpu(void);
>> Index: top.c
>> ===================================================================
>> RCS file: /cvs/src/usr.bin/top/top.c,v
>> retrieving revision 1.81
>> diff -u -p -r1.81 top.c
>> --- top.c 7 Apr 2014 15:49:22 -0000 1.81
>> +++ top.c 16 Sep 2014 11:46:41 -0000
>> @@ -250,6 +250,13 @@ parseargs(int ac, char **av)
>> }
>> }
>>
>> + i = getncpu();
>> + if (i == -1)
>> + err(1, NULL);
>> +
>> + if (i > 8)
>> + combine_cpus = 1;
>> +
>> /* get count of top processes to display (if any) */
>> if (optind < ac) {
>> if ((topn = atoiwi(av[optind])) == Invalid) {
>>
>>
