Heap profiling + allocator-stats telemetry (core feature) - #84

Closed

jayakasadev wants to merge 88 commits into

upstream-snapshotfrom

Commits on Jun 10, 2026

Commits on Jun 11, 2026

Add H1 dealloc hook and record_dealloc machinery (Phase 3.1) (#6)
jayakasadev
authored
fd8c3b2
Add H2 remote dealloc hook (Phase 3.2) (#7)
jayakasadev
authored
202e77f
Add alloc hook and record_alloc wiring (Phase 3.3) (#8)
jayakasadev
authored
a639f4a
Add H3 + H4 dealloc edge-case hooks and integration test (Phase 3.4) (#9)
jayakasadev
authored
d2a8f93
Add SNMALLOC_PROFILE C exports and Rust FFI foundation (Phase 4.0) (#10)
jayakasadev
authored
258bbde
Add safe Rust HeapProfile + BtSample + SnMalloc snapshot API (Phase 4.1) (#11)
jayakasadev
authored
6f62e4a
Wire profile-enabled Config in rust.cc and enable live Rust sampling test (Phase 4.2) (#12)
jayakasadev
authored
c08c2df
Add HeapProfile::write_flamegraph and accuracy integration test (Phase 4.3) (#13)
jayakasadev
authored
53af0fb
Add Rust symbolicator + write_flamegraph_symbolized (Phase 4.4) (#14)
jayakasadev
authored
ca6145d
Add Rust profile runtime config + env-var init (Phase 4.5) (#15)
jayakasadev
authored
945b583
Add Rust flamegraph viewer round-trip test (inferno + speedscope) (Phase 4.6) (#16)
jayakasadev
authored
a4ded83
Add streaming-mode sample broadcast (Phase 5.1) (#17)
jayakasadev
authored
1ac5be4
Add HeapProfile::write_pprof + pprof proto encoder (Phase 6.1) (#18)
jayakasadev
authored
3a9fa3f
Phase 7.1+7.3: cache-line align bytes_until_sample, validate zero overhead (#19)
jayakasadev
authored
a1583f0
Add Rust ProfilingSession + safe streaming API (Phase 5.2) (#20)
jayakasadev
authored
b5c6018
Phase 6.2: add `go tool pprof` round-trip integration test (#21)
jayakasadev
authored
917763e
Phase 7.2: criterion bench suite for profiling overhead (#22)
jayakasadev
authored
b59c906
Phase 7.5: add Rust profiling-feature CI matrix (Linux + macOS) (#23)
jayakasadev
authored
40528fc
Phase 7.4: add snapshot-under-churn stress test (#24)
jayakasadev
authored
4ff64df
Phase 8.1: document heap profiling in top-level + snmalloc-rs READMEs (#25)
jayakasadev
authored
b6d9ad6
Add rustdoc examples to snmalloc-rs profiling API (Phase 8.2) (#26)
jayakasadev
authored
3c8914c
Fix flake in profile_accuracy::accuracy_single_threaded (#27)
jayakasadev
authored
d506191
CI: add Profile + TSan / ASan matrix entries (86aj0h864) (#28)
jayakasadev
authored
58f1f55
Add HeapProfile::write_pprof_gz for gzipped .pb.gz pprof output (#30)
jayakasadev
authored
3a9413d
Follow-up C: Publish profile_bench results — README <1% claim partially supported (#29)
jayakasadev
authored
3ae1a9e
Profiling perf: trim TLS work off the alloc and dealloc fast paths (86aj0hfmc) (#31)
jayakasadev
authored
9a30e5d
Add realloc event hook for in-place resize sampling (#32)
jayakasadev
authored
d65a832
Two-stage PGO build for snmalloc (86aj0jg18) (#35)
jayakasadev
authored
4aed8c8
Bundle 1+3+2 perf tweaks for the profile fast paths (86aj0jfwh) (#34)
jayakasadev
authored
c961038
Enable fat LTO across snmalloc-rs <-> snmalloc-sys FFI (86aj0jfz1) (#33)
jayakasadev
authored
a9e3c5f
Add Bazel build for snmalloc-rs (no bindgen); upgrade Bazel + deps (86aj0jh0x) (#36)
jayakasadev
authored
f2e439f
Add missing upstream/cmake symlink for snmalloc-rs build (#37)
jayakasadev
authored
cd7ccbd
Verify LTO inlining of FFI thunks (86aj0kdve) (#38)
jayakasadev
authored
55dcd10
Wire PGO into CI matrix (86aj0kdw9) (#39)
jayakasadev
authored
b0000f8
Perf bundle: bootstrap off hot path + branch hints + medium-active diagnosis (86aj0kdym) (#40)
jayakasadev
authored
d4c6af0

Commits on Jun 12, 2026

Commits on Jun 16, 2026

Commits on Jun 17, 2026

feat(profile): cache resolved symbol frames across symbolize calls (#79)
jayakasadev
authored
185c7a1

Commits on Jun 19, 2026