Re: [LTP] [Patch 1/8] New testcase to validate Ideal Load Balancer Functionality

[Subrata Modak <subrata@linux.vnet.ibm.com>]

On Fri, 2009-08-28 at 15:44 +0530, Poornima Nayak wrote: 
> New testcase to validate Ideal Load Balancer Functionality.
> By default sets sched_mc_power_savings & sched_smt_power savings to the value
> passed as argument and then triggers kernbench by pinning it to the CPUn
> 
> Signed-off-by: poornima nayak <mpnayak@linux.vnet.ibm.com>

Done. Thanks.

Regards--
Subrata

> 
> diff -uprN ltp_orig/testcases/kernel/power_management/ilb_test.py ltp/testcases/kernel/power_management/ilb_test.py
> --- ltp_orig/testcases/kernel/power_management/ilb_test.py	1970-01-01 05:30:00.000000000 +0530
> +++ ltp/testcases/kernel/power_management/ilb_test.py	2009-08-28 12:13:27.000000000 +0530
> @@ -0,0 +1,57 @@
> +#!/usr/bin/python
> +''' This Python script interprets interrupt values.
> +    Validates Ideal load balancer runs in same package where workload is running
> +'''
> +
> +import os
> +import sys
> +LIB_DIR = "%s/testcases/kernel/power_management/lib" % os.environ['LTPROOT']
> +sys.path.append(LIB_DIR)
> +from optparse import OptionParser
> +from sched_mc import *
> +
> +__author__ = "Poornima Nayak <mpnayak@linux.vnet.ibm.com>"
> +
> +class Usage(Exception):
> +    def __init__(self, msg):
> +        self.msg = msg
> +
> +def main(argv=None):
> +    if argv is None:
> +        argv = sys.argv
> +
> +    usage = "-w"
> +    parser = OptionParser(usage)
> +    parser.add_option("-c", "--mc_level", dest="mc_level",
> +        default=0, 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")
> +    parser.add_option("-w", "--workload", dest="work_ld",
> +        default="kernbench", help="Workload can be ebizzy/kernbench")
> +    (options, args) = parser.parse_args()
> +
> +    try:
> +        count_num_cpu()
> +        count_num_sockets()
> +        if is_multi_socket():
> +            set_sched_mc_power(options.mc_level)
> +        if is_hyper_threaded():
> +            set_sched_smt_power(options.smt_level)
> +        map_cpuid_pkgid()
> +        print "INFO: Created table mapping cpu to package"
> +        background="no"
> +        duration=60
> +        pinned="yes"
> +        trigger_workld(options.work_ld, "single_job", duration, background, pinned)
> +        generate_loc_intr_report()
> +        status = validate_ilb(options.mc_level, options.smt_level)
> +        reset_schedmc()
> +        if is_hyper_threaded():
> +            reset_schedsmt()
> +        return(status)        
> +    except Exception, details:
> +        print "INFO: Idle Load Balancer test failed", details
> +        return(1)
> +
> +if __name__ == "__main__":
> +    sys.exit(main())
> 
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