From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: from sfi-mx-1.v28.ch3.sourceforge.com ([172.29.28.121] helo=mx.sourceforge.net) by 235xhf1.ch3.sourceforge.com with esmtp (Exim 4.69) (envelope-from ) id 1MpdGg-0007nr-0d for ltp-list@lists.sourceforge.net; Mon, 21 Sep 2009 07:25:02 +0000 Received: from e6.ny.us.ibm.com ([32.97.182.146]) by 29vjzd1.ch3.sourceforge.com with esmtps (TLSv1:AES256-SHA:256) (Exim 4.69) id 1MpdGd-0002Z2-N5 for ltp-list@lists.sourceforge.net; Mon, 21 Sep 2009 07:25:01 +0000 Received: from d01relay04.pok.ibm.com (d01relay04.pok.ibm.com [9.56.227.236]) by e6.ny.us.ibm.com (8.14.3/8.13.1) with ESMTP id n8L7TQpg031797 for ; Mon, 21 Sep 2009 03:29:26 -0400 Received: from d01av02.pok.ibm.com (d01av02.pok.ibm.com [9.56.224.216]) by d01relay04.pok.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id n8L7OnFb178594 for ; Mon, 21 Sep 2009 03:24:49 -0400 Received: from d01av02.pok.ibm.com (loopback [127.0.0.1]) by d01av02.pok.ibm.com (8.12.11.20060308/8.13.3) with ESMTP id n8L7LZrW024028 for ; Mon, 21 Sep 2009 03:21:35 -0400 From: Poornima Nayak Date: Mon, 21 Sep 2009 12:54:44 +0530 Message-Id: <20090921072444.7307.84825.sendpatchset@localhost.localdomain> Subject: [LTP] [Patch 1/6] To test consolidation resets when interfaces are set to 0 List-Id: Linux Test Project General Discussions List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Errors-To: ltp-list-bounces@lists.sourceforge.net To: ltp-list@lists.sourceforge.net, svaidy@linux.vnet.ibm.com, ego@in.ibm.com, arun@linux.vnet.ibm.com CPU consolidation testcase modified to test when sched_mc &(/) sched_smt is set to Zero processes dont consolidate to single package or CPU. Signed-off-by: poornima nayak diff -uprN ltp-full-20090831/testcases/kernel/power_management/cpu_consolidation.py ltp-full-20090831_patched/testcases/kernel/power_management/cpu_consolidation.py --- ltp-full-20090831/testcases/kernel/power_management/cpu_consolidation.py 2009-08-31 10:45:45.000000000 +0530 +++ ltp-full-20090831_patched/testcases/kernel/power_management/cpu_consolidation.py 2009-09-21 12:16:50.790630427 +0530 @@ -5,6 +5,7 @@ import os import sys +import time LIB_DIR = "%s/testcases/kernel/power_management/lib" % os.environ['LTPROOT'] sys.path.append(LIB_DIR) from optparse import OptionParser @@ -22,9 +23,12 @@ def main(argv=None): usage = "-w" parser = OptionParser(usage) - parser.add_option("-c", "--mc_level", dest="mc_level", + parser.add_option("-v", "--variation_test", dest="vary_mc_smt", + default=False, action="store_true", help="Vary sched_mc & sched_smt. \ + -c and -t inputs are initial value of sched_mc & sched_smt") + parser.add_option("-c", "--mc_value", dest="mc_value", default=0, help="Sched mc power saving value 0/1/2") - parser.add_option("-t", "--smt_level", dest="smt_level", + parser.add_option("-t", "--smt_value", dest="smt_value", default=0, help="Sched smt power saving value 0/1/2") parser.add_option("-w", "--workload", dest="work_ld", default="ebizzy", help="Workload can be ebizzy/kernbench") @@ -35,22 +39,94 @@ def main(argv=None): 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 ="no" - trigger_workld(options.work_ld, options.stress, duration, background, pinned) - generate_report() - status = validate_cpu_consolidation(options.work_ld,options.mc_level, options.smt_level) - reset_schedmc() - if is_hyper_threaded(): - reset_schedsmt() - return(status) + # User would set option -v / -vc / -vt to test cpu consolidation + # gets disabled when sched_mc &(/) sched_smt is disabled when + # workload is already running in the system + if options.vary_mc_smt: + + # Since same code is used for testing package consolidation and core + # consolidation is_multi_socket & is_hyper_threaded check is done + if is_multi_socket(): + if options.mc_value: + set_sched_mc_power(options.mc_value) + mc_value=int(options.mc_value) + else: + set_sched_mc_power(1) + mc_value=int(options.mc_value) + if is_hyper_threaded(): + if options.smt_value: + set_sched_smt_power(options.smt_value) + smt_value=int(options.smt_value) + else: + set_sched_smt_power(1) + smt_value=1 + + #Generate arguments for trigger workload, run workload in background + map_cpuid_pkgid() + background="yes" + duration=360 + pinned="no" + if int(options.mc_value) < 2: + trigger_ebizzy (smt_value, "partial", duration, background, pinned) + work_ld="ebizzy" + #Wait for 120 seconds and then validate cpu consolidation works + #When sched_mc & sched_smt is set + import time + time.sleep(120) + else: + #Wait for 120 seconds and then validate cpu consolidation works + #When sched_mc & sched_smt is set + trigger_kernbench (smt_value, "partial", background, pinned) + work_ld="kernbench" + import time + time.sleep(240) + + generate_report() + status = validate_cpu_consolidation(work_ld, mc_value, smt_value) + if status == 0: + print "INFO: Consolidation worked sched_smt &(/) sched_mc is set" + #Disable sched_smt & sched_mc interface values + if (options.vary_mc_smt and options.mc_value) and is_multi_socket(): + set_sched_mc_power(0) + #Reset sched_smt bcoz when sched_smt is set process still + #continue to consolidate + if is_hyper_threaded(): + set_sched_smt_power(0) + if (options.vary_mc_smt and options.smt_value) and is_hyper_threaded(): + set_sched_smt_power(0) + time.sleep(120) + generate_report() + status = validate_cpu_consolidation(options.work_ld,options.mc_value, options.smt_value) + #CPU consolidation should fail as sched_mc &(/) sched_smt is disabled + if status == 1: + return(0) + else: + return(1) + else: + print "INFO: CPU consolidation failed when sched_mc &(/) \ +sched_smt was enabled. This is pre-requisite to proceed" + return(status) + else: + #The else part of the code validates behaviour of sched_mc + # and sched_smt set to 0, 1 & 2 + if is_multi_socket(): + set_sched_mc_power(options.mc_value) + if is_hyper_threaded(): + set_sched_smt_power(options.smt_value) + #Commented after observing changes in behaviour in 2.6.31-rc7 + #stress="thread" + map_cpuid_pkgid() + print "INFO: Created table mapping cpu to package" + background="no" + duration=60 + pinned ="no" + trigger_workld( options.smt_value, options.work_ld, options.stress, duration, background, pinned) + generate_report() + status = validate_cpu_consolidation(options.work_ld,options.mc_value, options.smt_value) + reset_schedmc() + if is_hyper_threaded(): + reset_schedsmt() + return(status) except Exception, details: print "INFO: CPU consolidation failed", details return(1) ------------------------------------------------------------------------------ Come build with us! 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