getsentry / getsentry/sentry-java
Profiler samples are re-anchored once at profile end
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Descripción
Audit finding **C1 — theoretical, LOW-MEDIUM**.
`AndroidProfiler` computes `timestampDiff` (the elapsedRealtime↔wall offset) once at profile end and applies it to every wall-stamped `PerformanceCollectionData` sample (`sentry-android-core/src/main/java/io/sentry/android/core/AndroidProfiler.java:309-324`). A wall step during the profile shifts all earlier CPU/memory samples relative to the trace.
Source: [JAVA-557]() §C1.
Guía de contribución
Línea de trabajo
Read AndroidProfiler.java at lines 309-324 and trace how timestampDiff is computed at profile end and applied to PerformanceCollectionData samples. Verify the behavior around a wall-clock step during profiling, then ensure earlier CPU and memory samples are not shifted relative to the trace; confirm the corrected timestamp alignment with the relevant profiler coverage.
Escrito por el modelo de indexación a partir del texto del issue.
Evaluación
- Stack tecnológico
- android, java
- Área
- mobile-dev, performance
- Tipo de issue
- Error
- Dificultad
- 4/5
- Tiempo estimado
- 3-5 días
- Estado de actividad
- Tranquilo
- Claridad
- Bastante claro
- Aptitud para principiantes
- 48/100