Hi!
> When I run cpuhotplug05 cases on our platform(powerpc), it failed:
> Name: cpuhotplug05
> Date: Wed Oct 16 10:49:31 UTC 2013
> Desc: Does sar behave properly during CPU hotplug events?
>
> CPU is 1
> cpuhotplug05 1 TFAIL : CPU1 Not Found on SAR!
>
> After some investigation:
>
> the following code:
>
> while ! grep -iq nan $TMP/log_$$; do
>
> tst_resm TFAIL "CPU${CPU_TO_TEST} Not Found on SAR!"
>
> exit_clean 1
>
> done
>
> root cause:
> output of command "sar" has been changed, the log from "sar" output did NOT
> include "nan".
>
> Enrionment:
> Sysstat version: 10.1.4
> Ltp version: 20130109-r0
It looks like the sar parameters and output changes from time to time.
On my system (systat 10.0.5) sar does not accept zero as a inifinte
count and needs to be executed as 'sar -P ALL 1' instead of
'sar -P ALL 1 0'.
I guess that the only solution is to switch on systat version and change
expectations accordingly. Feel free to send a patch.
--
Cyril Hrubis
[email protected]
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