feat: object age distribution & tenuring analysis (#117)#120
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Add tenuring threshold analysis for GC tuning: - AgeDistribution model with age histogram entries - JdkGcAgeProvider: extract age data via jcmd GC.heap_info - GcNewCommand --age-histogram: live age distribution with bars - TenuringAnalyzer: parse age tables from debug GC logs - GcLogCommand --tenuring: tenuring trend + recommendations Signed-off-by: rlaope <piyrw9754@gmail.com>
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Summary
argus gcnew <pid> --age-histogramargus gclog <file> --tenuringChanges
AgeDistribution— model with age entries, thresholds, survivor capacityGcAgeProvider/JdkGcAgeProvider— extract age data via jcmdGcNewCommand --age-histogram— live age distribution with bar chartTenuringAnalyzer— parse age tables from debug GC logs, detect premature promotionGcLogCommand --tenuring— tenuring trend + recommendationsTest plan
./gradlew :argus-cli:compileJavapassesargus gcnew <pid> --age-histogram)argus gclog gc.log --tenuring)Closes #117