Perfetto - 14 - Heap profiler

Quickstart

UI

SQL

Recording

Viewing the data

Continuous dumps

Sampling interval

Startup profiling

Runtime profiling

Concurrent profiling sessions

Target processes

Java heap sampling

DEDUPED frames

Triggering heap snapshots on demand

Symbolization

Set up llvm-symbolizer

Symbolize your profile

Deobfuscation

Troubleshooting

Buffer overrun

Profile is empty

Implausible callstacks

Symbolization: Could not find library

Only one frame shown

(non-Android) Linux support

Known Issues

Android 13

Android 12

Android 11

Android 10

Heapprofd vs malloc_info() vs RSS

Convert to pprof

Example SQL Queries

Reference

• https://perfetto.dev/docs/data-sources/native-heap-profiler
• https://perfetto.dev/docs/reference/heap_profile-cli