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List:       ltp-list
Subject:    Re: [LTP] CPU consolidation testcase for hyper threaded system
From:       Subrata Modak <subrata () linux ! vnet ! ibm ! com>
Date:       2009-03-30 7:31:47
Message-ID: 1238397588.5188.7.camel () subratamodak ! linux ! ibm ! com
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On Tue, 2009-03-24 at 19:10 +0530, Poornima Nayak wrote:
> [Patch 1/4] Modified cpu consolidation testcase to support
> sched_smt_mc_power_savings & sched_smt_power_saving FVT.
> 
> Signed-off-by: poornima nayak <mpnayak@linux.vnet.ibm.com>

This applied fine too.

Regards--
Subrata

> 
> diff -uprN ltp_orig/testcases/kernel/power_management/cpu_consolidation.py \
>                 ltp_patched//testcases/kernel/power_management/cpu_consolidation.py
> --- ltp_orig/testcases/kernel/power_management/cpu_consolidation.py	2009-03-24 \
>                 09:25:27.000000000 -0500
> +++ ltp_patched//testcases/kernel/power_management/cpu_consolidation.py	2009-03-24 \
> 10:03:42.000000000 -0500 @@ -18,19 +18,38 @@ if __name__ == "__main__":
> parser = OptionParser(usage)
> parser.add_option("-w", "--workload", dest="workload",
> help="Test name that has be triggered")
> -    parser.add_option("-l", "--mc_level", dest="mc_level",
> +    parser.add_option("-c", "--mc_level", dest="mc_level",
> help="Sched mc power saving value 0/1/2")
> +    parser.add_option("-t", "--smt_level", dest="smt_level",
> +        default=0, help="Sched smt power saving value 0/1/2")
> (options, args) = parser.parse_args()
> +    test_thread_consld = 0
> +    
> 
> try:
> set_sched_mc_power(options.mc_level)
> -	print "INFO: sched mc power saving set to %s" %options.mc_level
> count_num_cpu()
> map_cpuid_pkgid()
> print "INFO: Created table mapping cpu to package"
> -        trigger_workld(options.workload)
> +        
> +        if int(options.smt_level) == 1 or int(options.smt_level) == 2 :
> +            if is_hyper_threaded():
> +                set_sched_smt_power(options.smt_level)
> +                # Trigger ebizzy with 2 threads only to verify logical CPU
> +                # consolidation
> +                test_thread_consld = 1
> +                trigger_workld(options.workload, test_thread_consld)
> +                generate_report()
> +                validate_cpu_consolidation(options.mc_level, options.smt_level)
> +                test_thread_consld = 0
> +            else:
> +                print "INFO: No Hyper-threading support in this machine"
> +                sys.exit(0)
> +        
> +        trigger_workld(options.workload, test_thread_consld)
> generate_report()
> -        validate_cpu_consolidation(options.mc_level)
> +        validate_cpu_consolidation(options.mc_level, options.smt_level)
> sys.exit(0)
> -    except Exception:
> +    except Exception, details:
> +        print "INFO(: CPU consolidation failed", details
> sys.exit(1)
> 
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