Ramki, if you want jtreg to pass a flag to JDK under test,you should specify by jtreg -javaoptions flag[1]:
/home/ramki/9dev/build/linux-x86_64-normal-server-release/images/jdk/bin/java -jar /home/ramki/jtreg/lib/jtreg.jar -verbose:all -javaoptions:-XX:ConcGCThreads=1 -jdk:/home/ramki/9dev/build/linux-x86_64-normal-server-release/images/jdk /home/ramki/9dev/hotspot/test/gc/g1/TestEagerReclaimHumongousRegionsClearMarkBits.java [1] http://openjdk.java.net/jtreg/command-help.html Thanks, -- Igor > On Apr 18, 2017, at 9:16 AM, Ram Krishnan <ramkri...@gmail.com> wrote: > > Hi Dima, > > Thanks. > > I tried your suggestion and also examined the .jtr file in JTWork/gc/g1/ > folder. I am getting the same results as before. > > Thanks, > Ramki > > On Tue, Apr 18, 2017 at 8:12 AM, Dmitry Fazunenko > <dmitry.fazune...@oracle.com <mailto:dmitry.fazune...@oracle.com>> wrote: > Hi Ramki, > > I think you need to specify "-jdk:<your_java_home>" option to jtreg: > > /home/ramki/9dev/build/linux-x86_64-normal-server-release/images/jdk/bin/java > -jar /home/ramki/jtreg/lib/jtreg.jar -verbose:all > -jdk:/home/ramki/9dev/build/linux-x86_64-normal-server-release/images/jdk > /home/ramki/9dev/hotspot/test/gc/g1/TestEagerReclaimHumongousRegionsClearMarkBits.java > > > More information about test execution you can find in the .jtr file created > in JTWork/gc/g1/ folder. > > Thanks, > Dima > > > > On 18.04.2017 17:56, Ram Krishnan wrote: >> Hi Dmitry, >> >> Thanks, more below. >> >> In the expanded command line option, ConcGCThread is indeed set to 1 as >> expected in the ReclaimRegionFastclass JVM. In the direct jtreg option, >> ConcGCThread is 0 in both JVMs. The usage details are below. My build is >> based on JDK 9 and I downloaded the latest jtreg. There may be something >> wrong in my jtreg usage -- can you please clarify? >> >> Using jtreg directly does not work >> ---------------------------------- >> /home/ramki/9dev/build/linux-x86_64-normal-server-release/images/jdk/bin/java >> -jar /home/ramki/jtreg/lib/jtreg.jar -verbose:all >> /home/ramki/9dev/hotspot/test/gc/g1/TestEagerReclaimHumongousRegionsClearMarkBits.java >> >> >> Command line option works >> ------------------------- >> /home/ramki/9dev/build/linux-x86_64-normal-server-release/images/jdk/bin/java >> -cp >> /home/ramki/9dev/hotspot/test/JTwork/classes/gc/g1:/home/ramki/9dev/hotspot/test/gc/g1:/home/ramki/9dev/hotspot/test/JTwork/classes/test/lib:/home/ramki/9dev/test/lib:/home/ramki/jtreg/lib/javatest.jar:/home/ramki/jtreg/lib/jtreg.jar >> -XX:+UseG1GC -Xms128M -Xmx128M -Xmn2M -XX:G1HeapRegionSize=1M >> -XX:InitiatingHeapOccupancyPercent=0 -Xlog:gc -XX:+UnlockDiagnosticVMOptions >> -XX:+VerifyAfterGC -XX:ConcGCThreads=1 -XX:+IgnoreUnrecognizedVMOptions >> -XX:+G1VerifyBitmaps -XX:G1GcCpuLLCCachePartitionPercent=48 ReclaimRegionFast >> >> Thanks, >> Ramki >> >> On Mon, Apr 17, 2017 at 11:21 PM, Dmitry Fazunenko >> <dmitry.fazune...@oracle.com <mailto:dmitry.fazune...@oracle.com>> wrote: >> Hi Ramki, >> >> It's very unlikely to be an issue related to jtreg somehow. >> I ran the test you mentioned manually, this is the quote from .jtr file: >> ... >> Command line: [/jdk9/solaris-sparcv9/bin/java -d64 -cp >> /home/fa/hs-int/hotspot/test/gc/g1/JTwork/classes/gc/g1:/home/fa/hs-int/hotspot/test/gc/g1:/home/fa/hs-int/hotspot/test/gc/g1/JTwork/classes/test/lib:/home/fa/hs-int/test/lib:/home/fa/jtreg/lib/javatest.jar:/home/fa/jtreg/lib/jtreg.jar >> -XX:+UseG1GC -Xms128M -Xmx128M -Xmn2M -XX:G1HeapRegionSize=1M >> -XX:InitiatingHeapOccupancyPercent=0 -Xlog:gc -XX:+UnlockDiagnosticVMOptions >> -XX:+VerifyAfterGC -XX:ConcGCThreads=1 -XX:+IgnoreUnrecognizedVMOptions >> -XX:+G1VerifyBitmaps >> >> ReclaimRegionFast ] >> ... >> All the VM options are passed as expected. >> >> > I have confirmed this through prints in the JVM code base. >> I'm not sure what do you mean here, but I guess you did something wrong. >> >> Please note, during execution of this test two JVM are launched: >> - the first one started by jtreg >> (TestEagerReclaimHumongousRegionsClearMarkBits class) >> - the second started by test (ReclaimRegionFast class) >> >> In the first one >> >> ConcGCThread should be set to 0. >> >> Thanks, >> Dima >> >> On 18.04.2017 3:09, Ram Krishnan wrote: >>> Hi Jenny, >>> >>> I tried what you suggested. Hotspot output indeed shows ConcGCThreads as 1. >>> >>> The problem seems to be interaction with jtreg. >>> >>> Thanks, >>> Ramki >>> >>> On Mon, Apr 17, 2017 at 4:49 PM, Jenny Zhang <yu.zh...@oracle.com >>> <mailto:yu.zh...@oracle.com>> wrote: >>> Ramki, >>> >>> Can you do the following to be sure that hotspot did not take the parameter? >>> java -XX: >>> >>> ConcGCThreads=1 -XX:+PrintFlagsFinal >>> >>> I am using jdk9b154, the output shows it changed the ConcGCThreads to 1 >>> >>> Thanks >>> Jenny >>> >>> On 4/17/2017 4:33 PM, Ram Krishnan wrote: >>>> Many thanks Jonathan for the immediate reply. >>>> >>>> I am copying the hotspot gc team. >>>> >>>> Hotspot gc team -- your help would be much appreciated on the topic below. >>>> >>>> Thanks, >>>> Ramki >>>> >>>> On Mon, Apr 17, 2017 at 2:29 PM, Jonathan Gibbons >>>> <jonathan.gibb...@oracle.com <mailto:jonathan.gibb...@oracle.com>> wrote: >>>> >>>> >>>> On 04/17/2017 02:18 PM, Ram Krishnan wrote: >>>>> Hi, >>>>> >>>>> I have been able to successfully run all the tests in hotspot/test/gc/g1 >>>>> using jtreg. >>>>> >>>>> The only gotcha I am facing is that the JVM startup options specified in >>>>> process builder does not have any effect. I have confirmed this through >>>>> prints in the JVM code base. >>>>> >>>>> For example, >>>>> /hotspot/test/gc/g1/ TestEagerReclaimHumongousRegionsClearMarkBits.java >>>>> modifies the "-XX:ConcGCThreads=1", but inside the JVM code to value of >>>>> ConcGCThreads is still zero. >>>>> >>>>> I am new to jtreg and openjdk and probably missing something obvious. >>>>> Your help would be much appreciated. >>>>> >>>>> Thanks in advance, >>>>> Ramki >>>>> >>>> >>>> Ramki, >>>> >>>> This does not look like an issue with jtreg, since the behavior you are >>>> apparently seeing is all within the test code and its libraries. >>>> >>>> You might want to follow up with the Hotspot team, who would have more >>>> familiarity with these tests and the associated libraries. >>>> >>>> -- Jon >>>> >>>> >>>> >>>> >>>> -- >>>> Thanks, >>>> Ramki >>> >>> >>> >>> >>> -- >>> Thanks, >>> Ramki >> >> >> >> >> -- >> Thanks, >> Ramki > > > > > -- > Thanks, > Ramki
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