RFR: 8280684: JfrRecorderService failes with guarantee(num_written > 0) when no space left on device. [v2]

KIRIYAMA Takuya duke at openjdk.java.net
Thu Feb 17 08:03:36 UTC 2022


> I think JFR should report an error message and jvm should shut down safely instead of gurantee failure.
> 
> For instance, jdk.jfr.internal.Repository#newChunk() reports an appropriate message and stops jvm as below
> by using JfrJavaSupport::abort().
> 
> [0.673s][error][jfr] Could not create chunk in repository /tmp/2022_01_12_22_32_42_18030, class java.io.IOException: Unable to create JFR repository directory using base location (/tmp)
> [0.673s][error][jfr,system] Could not create chunk in repository /tmp/2022_01_12_22_32_42_18030, class java.io.IOException: Unable to create JFR repository directory using base location (/tmp)
> [0.673s][error][jfr,system] An irrecoverable error in Jfr. Shutting down VM...
> 
> I modified StreamWriterHost not to call guarantee failure but to call JfrJavaSupport::abort().
> I added a argument to JfrJavaSupport::abort() which tells os::abort() not to put out core 
> because there is no space on device.
> Could you please review the fix?

KIRIYAMA Takuya has updated the pull request incrementally with one additional commit since the last revision:

  8280684: JfrRecorderService failes with guarantee(num_written > 0) when no space left on device.

-------------

Changes:
  - all: https://git.openjdk.java.net/jdk/pull/7227/files
  - new: https://git.openjdk.java.net/jdk/pull/7227/files/3c160ab5..c2ad1c39

Webrevs:
 - full: https://webrevs.openjdk.java.net/?repo=jdk&pr=7227&range=01
 - incr: https://webrevs.openjdk.java.net/?repo=jdk&pr=7227&range=00-01

  Stats: 127 lines in 1 file changed: 0 ins; 127 del; 0 mod
  Patch: https://git.openjdk.java.net/jdk/pull/7227.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/7227/head:pull/7227

PR: https://git.openjdk.java.net/jdk/pull/7227


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