Disk related counter info

hi.
am doing a kstat read into KSTAT_IO_T for extratcing disk related counter info .Is it correct. am always getting zero vlaues.
I see that reads and writes are declared as uint_t in kstat_io_t but
iostat -x returns float values.
regards
Deepth

Hi Deepth,
"iostat -x" gives the reads,bytes etc. as a function of time . Do man iostat for more details.
kstst_io_t is the right structure to use for getting disk statistics.
When you do kstat_read into kstat_io_t you get the absolute value of no. of disk reads, writes etc. ( not as a function of time ) .
You shouldn't be getting zero values for disk reads & writes . Can you just cut & paste the section of your program which does this ?
Thanks,
Prajeesh

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Forums > Forum: Kernel
DISK,VM,NETWORk,PROCESS COUNTER INFO
Hi,
1. For VM I am using the cpu_vminfo_t to collect the VM counters? The value that I get for pages page in is 4605 (pages page in /lbolt_time). The values for pages paged out is 3881 again divided by lbolt time. Are these values correct? What is the command to verify these values?
2. For Disk I am collecting the counters reads and writes , kilobytes read, kilobytes written from kstat_io_t. Is this the right structure to be used to collect the values? I am getting the disk reads as 213344 and disk writes as 0. Kilobytes read and written per sec are 0. I am using iostat to check these values. But the values do not match. So please suggest me if I am using the right structure to get the counter values.
3. For networks which is the structure to be used to get the packets in, packets out, bytes in, bytes out, routes, socket open. etc.
4. Again for process which is the structute to be used to get all the process counters?
Any help or ideas on this is welcome.
Thanks in advance,
Charulatha.

Disk-remap-count is 768

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Disk related counter info

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