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List: openjdk-serviceability-dev
Subject: JDK-8153333: [REDO] STW phases at Concurrent GC should count in PerfCounter
From: Yasumasa Suenaga <yasuenag () gmail ! com>
Date: 2017-06-14 4:22:56
Message-ID: CAGFVN2CoZiXRsr3McK69PSNz1bYwDvnx+LkqEaJc25c4uuDovw () mail ! gmail ! com
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Hi all,
I changed PerfCounter to show CGC STW phase in jstat in JDK-8151674.
However, it occurred several jtreg test failure, so it was back-outed.
I want to resume to work for this issue.
http://cr.openjdk.java.net/~ysuenaga/JDK-8153333/webrev.03/hotspot/
http://cr.openjdk.java.net/~ysuenaga/JDK-8153333/webrev.03/jdk/
These changes are work fine on jtreg test as below:
hotspot/test/serviceability/tmtools/jstat
jdk/test/sun/tools
Since JDK 9, default GC algorithm is set to G1.
So I think this change is useful to watch GC behavior through jstat.
I cannot access JPRT. Could you help?
Thanks,
Yasumasa
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