JDK-8216308 : StackTraceElement::fill_in can use injected Class source-file
- Type: Sub-task
- Component: hotspot
- Sub-Component: runtime
- Affected Version: 11,12,13
- Priority: P4
- Status: Resolved
- Resolution: Fixed
- Submitted: 2019-01-07
- Updated: 2019-09-06
- Resolved: 2019-01-14
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Unresolved : Release in which this issue/RFE will be addressed.
Resolved: Release in which this issue/RFE has been resolved.
Fixed : Release in which this issue/RFE has been fixed. The release containing this fix may be available for download as an Early Access Release or a General Availability Release.
To download the current JDK release, click here.
| JDK 11 | JDK 12 | JDK 13 |
|---|---|---|
| 11.0.3Fixed | 12.0.2Fixed | 13 b04Fixed  |
Description
This is the subtask of JDK-8151751. We can inject a "source-file" field into Class, and that would skip interning it all the time during stack trace creation. Candidate patch: http://cr.openjdk.java.net/~shade/8216308/webrev.01/ It yields substantial improvements for stack trace generation: Benchmark (depth) Mode Cnt Score Error Units # baseline StackTraceBench.test 1 avgt 15 15.077 ± 0.065 us/op StackTraceBench.test 10 avgt 15 21.153 ± 0.123 us/op StackTraceBench.test 100 avgt 15 80.758 ± 0.363 us/op StackTraceBench.test 1000 avgt 15 674.888 ± 4.985 us/op # patched StackTraceBench.test 1 avgt 15 8.892 ± 0.064 us/op StackTraceBench.test 10 avgt 15 12.010 ± 0.079 us/op StackTraceBench.test 100 avgt 15 43.091 ± 0.254 us/op StackTraceBench.test 1000 avgt 15 353.194 ± 2.040 us/op
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