Proposal for back-porting JFR to OpenJDK8u
neugens at redhat.com
Tue Jan 29 11:47:44 UTC 2019
Btw, I do have a question already, there were a few fixed after
JEP328_FlightRecorder was pushed, I asusme you have back ported them too
and are part of this patch?
On Tue, Jan 29, 2019 at 12:45 PM Mario Torre <neugens at redhat.com> wrote:
> I'll help with the review, it may take a few days since I'm totally
> absorbed by FOSDEM right now. Btw, is any of you coming?
> On Tue, Jan 29, 2019 at 12:42 PM guangyu.zhu <guangyu.zhu at aliyun.com>
>> Hi there,
>> JFR backport patch has been uploaded to cr.openjdk. Please have a review
>> for the patch.
>> The original patch comes from webrev:
>> . We ported it to jdk8u192-b26 and passed most of the jfr jtreg tests on
>> Linux/x86-64 platform. Some features related to Module, AOT and log level
>> are removed because jdk8 does not support them.
>> We have added a new option ‘EnableJFR’ to enable or disable the JFR
>> feature. It’s disabled by default. To enable it, you can start java with
>> ‘-XX:+EnableJFR’. For example:
>> java -XX:+EnableJFR -XX:StartFlightRecording=duration=1m,filename=rec.jfr
>> When running the jtreg test, please add the extra option
>> '-vmoption:-XX:+EnableJFR'. Otherwise the test case will not execute
>> correctly. Here is an example of running jfr jtreg test:
>> make test JTREG_TEST_EXTRA_OPTIONS=-vmoption:-XX:+EnableJFR TEST=jdk_jfr
>> There is one more thing worth noting, please use jmc version 7.0 or later
>> to open the jfr record file.
>> Your suggestions and comments are welcome.
>> Guangyu Zhu
>> Sender:李三红(三红) <sanhong.lsh at alibaba-inc.com>
>> Sent At:2018 Dec. 17 (Mon.) 21:21
>> Recipient:Andrew Haley <aph at redhat.com>; Mario Torre <
>> neugens.limasoftware at gmail.com>
>> Cc:jdk8u-dev <jdk8u-dev at openjdk.java.net>
>> Subject:Re: Proposal for back-porting JFR to OpenJDK8u
>> Thanks for comments, we are preparing our internal patches for webrev.
>> In the meantime, Martijn/ Andrew mentioned we can use AdoptOpenJDK to
>> produce technical preview build.
>> Would like to know this... can Martijn point us some guide somewhere?
>> 发件人: Andrew Haley [mailto:aph at redhat.com]
>> 发送时间: 2018年12月13日 3:03
>> 收件人: Mario Torre <neugens.limasoftware at gmail.com>; 李三红(三红) <
>> sanhong.lsh at alibaba-inc.com>
>> 抄送: Volker Simonis <volker.simonis at gmail.com>; jdk8u-dev at openjdk.java.net
>> 主题: Re: Proposal for back-porting JFR to OpenJDK8u
>> On 12/12/18 1:44 PM, Mario Torre wrote:
>> > I think the first thing to do would be to post the patch for review, a
>> > shared repository would make the review process a bit more complex I
>> > think, and only makes sense if there is a need to work further on the
>> > patch collectively.
>> Yes, exactly. That's the normal process, and it's the best place to start.
>> Andrew Haley
>> Java Platform Lead Engineer
>> Red Hat UK Ltd. <https://www.redhat.com>
>> EAC8 43EB D3EF DB98 CC77 2FAD A5CD 6035 332F A671
> Mario Torre
> Associate Manager, Software Engineering
> Red Hat GmbH <https://www.redhat.com>
> 9704 A60C B4BE A8B8 0F30 9205 5D7E 4952 3F65 7898
Associate Manager, Software Engineering
Red Hat GmbH <https://www.redhat.com>
9704 A60C B4BE A8B8 0F30 9205 5D7E 4952 3F65 7898
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