[hobbit] Vmstat graph on redhat as 2.1 & 3
Johann Eggers
johann.eggers at teleatlas.com
Wed Mar 22 16:48:27 CET 2006
thomas.seglard.enata at cnp.fr wrote:
>
> Hi,
>
> I see strange vmstat graphs on these 2 Oses : Redhat AS 2.1 (ia32) and
> Redhat AS 3 (ia32 and ia64). It seems that some columns were inverted
> or shifted, here is the output of vmstat on a redhat 2.1 :
>
> procs memory swap io system
> cpu
> r b w swpd free buff cache si so bi bo in cs
> us sy id
> 10 0 0 4828 12240 74940 36412 0 0 0 0 0 0
> 0 0 0
> 1 0 0 4828 13000 74940 36424 0 0 0 90 141 189
> 15 21 65
> 0 0 0 4828 13000 74940 36424 0 0 0 0 129 27
> 0 0 100
> 0 0 0 4828 13100 74940 36420 0 0 0 12 138 31
> 1 0 99
> 0 0 0 4828 13100 74940 36420 0 0 0 0 129 21
> 0 0 100
>
> and another one from a redhat 3 :
>
> procs memory swap io system
> cpu
> r b swpd free buff cache si so bi bo in cs us
> sy wa id
> 91 0 4791520 31616 466384 1412464 10 27 58 89 552 7022
> 36 9 7 48
> 1 0 4791520 34576 466384 1412832 0 0 0 266 5473 19909
> 25 23 0 52
> 1 0 4791520 31792 466384 1412816 0 0 0 8 5716 18403
> 23 5 0 72
> 2 0 4792560 32512 466384 1411840 0 347 0 540 5496 18243
> 33 9 0 58
> 3 0 4792560 32512 466384 1411936 0 0 0 132 5139 17295
> 18 5 0 77
> 0 0 4792560 32608 466400 1412032 0 0 0 13 5106 17191
> 19 7 0 74
>
> It seems graphs don't care about the idle column. I put the output
> from a redhat as 4 (update 2) :
>
> procs -----------memory---------- ---swap-- -----io---- --system--
> ----cpu----
> r b swpd free buff cache si so bi bo in cs us
> sy id wa
> 0 0 96 44128 217952 3371248 0 0 1 17 0 0 1
> 0 98 0
> 0 0 96 44064 217952 3371248 0 0 0 12 2080 55 0
> 0 100 0
> 0 0 96 44064 217952 3371248 0 0 0 24 2076 48 0
> 0 100 0
> 0 0 96 44128 217952 3371248 0 0 0 12 2080 54 0
> 0 100 0
> 0 0 96 54240 217952 3371248 0 0 0 17 2073 54 0
> 0 100 0
>
> On this particular os, vmstat graphs are ok. On a Debian 3.1 system,
> graphs look good too.
> So, what can I do ? Is there a file to modify, a package to install ?
> Remove Redhat and install a Debian...
>
> Regards,
>
> Thomas Seglard
>
Hi,
in the past I had the same problem. This is how I have adapt the
vmstat-larrd.pl:
It makes the correlation between the columns of vmstat output depending
on the OS / kernel version (2.4 / 2.6)
# Define some host vmstat hash column translation
%htovm = (solaris => { cpu_r => 0,
cpu_b => 1,
cpu_w => 2,
mem_swap => 3,
mem_free => 4,
mem_re => 5,
mem_mf => 6,
mem_pi => 7,
mem_po => 8,
sr => 11,
cpu_int => 16,
cpu_syc => 17,
cpu_csw => 18,
cpu_usr => 19,
cpu_sys => 20,
cpu_idl => 21,
},
redhat => { cpu_r => 0,
cpu_b => 1,
cpu_w => 2,
mem_swpd => 3,
mem_free => 4,
mem_buff => 5,
mem_cach => 6,
mem_si => 7,
mem_so => 8,
dsk_bi => 9,
dsk_bo => 10,
cpu_int => 11,
cpu_csw => 12,
cpu_usr => 13,
cpu_sys => 14,
cpu_idl => 15,
},
redhat_2_4 => { cpu_r => 0,
cpu_b => 1,
cpu_w => 2,
mem_swpd => 3,
mem_free => 4,
mem_buff => 5,
mem_cach => 6,
mem_si => 7,
mem_so => 8,
dsk_bi => 9,
dsk_bo => 10,
cpu_int => 11,
cpu_csw => 12,
cpu_usr => 13,
cpu_sys => 14,
cpu_idl => 15,
},
redhat_2_6 => { cpu_r => 0,
cpu_b => 1,
mem_swpd => 2,
mem_free => 3,
mem_buff => 4,
mem_cach => 5,
mem_si => 6,
mem_so => 7,
dsk_bi => 8,
dsk_bo => 9,
cpu_int => 10,
cpu_csw => 11,
cpu_usr => 12,
cpu_sys => 13,
cpu_idl => 14,
cpu_wait => 15,
},
suse => { cpu_r => 0,
cpu_b => 1,
cpu_w => 2,
mem_swpd => 3,
mem_free => 4,
mem_buff => 5,
mem_cach => 6,
mem_si => 7,
mem_so => 8,
dsk_bi => 9,
dsk_bo => 10,
cpu_int => 11,
cpu_csw => 12,
cpu_usr => 13,
cpu_sys => 14,
cpu_idl => 15,
},
suse_2_4 => { cpu_r => 0,
cpu_b => 1,
cpu_w => 2,
mem_swpd => 3,
mem_free => 4,
mem_buff => 5,
mem_cach => 6,
mem_si => 7,
mem_so => 8,
dsk_bi => 9,
dsk_bo => 10,
cpu_int => 11,
cpu_csw => 12,
cpu_usr => 13,
cpu_sys => 14,
cpu_idl => 15,
},
suse_2_6 => { cpu_r => 0,
cpu_b => 1,
mem_swpd => 2,
mem_free => 3,
mem_buff => 4,
mem_cach => 5,
mem_si => 6,
mem_so => 7,
dsk_bi => 8,
dsk_bo => 9,
cpu_int => 10,
cpu_csw => 11,
cpu_usr => 12,
cpu_sys => 13,
cpu_idl => 14,
cpu_wait => 15,
},
);
Johann
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