Parca Agent Versions Save

eBPF based always-on profiler auto-discovering targets in Kubernetes and systemd, zero code changes or restarts needed!

v0.30.0

2 months ago

What's Changed

java: Read version from the binary by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2580
Add ability to read trace id from goroutine labels of Go processes by @brancz in https://github.com/parca-dev/parca-agent/pull/2574

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.29.0...v0.30.0

v0.29.0

2 months ago

Changelog

Features

*: Use fp unwinding for erlang and add erlang metadata by @brancz in https://github.com/parca-dev/parca-agent/pull/2339
unwinder/native: Per code region unwinder selection by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2419
python: Add initial ARM64 Support by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2439
ruby: Add initial Ruby ARM64 support by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2523
python: Add Python 3.12 Support by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2553
python: Add Python 3.13 support by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2560

Fixes

fix: bpf struct sizes fixes by @korniltsev in https://github.com/parca-dev/parca-agent/pull/2476
Use OS num CPUs instead of runtime schedulable ones by @brancz in https://github.com/parca-dev/parca-agent/pull/2493
Reverting unneeded sorting of mappings on wrong field by @gnurizen in https://github.com/parca-dev/parca-agent/pull/2532

Enhancements

pkg/objectfile: Use mount namespace id in cache key instead of build id by @brancz in https://github.com/parca-dev/parca-agent/pull/2348
feat(snap): add config option for external labels by @morphis in https://github.com/parca-dev/parca-agent/pull/2340
test/integration: Add CPU profiler integration tests for arm64 by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/2403
Add counter metric for total bytes sent to remote store by @metalmatze in https://github.com/parca-dev/parca-agent/pull/2421
Add metric to track number of bpf program runs by @brancz in https://github.com/parca-dev/parca-agent/pull/2460
Add metrics to track number and type of bpf program early exits by @gnurizen in https://github.com/parca-dev/parca-agent/pull/2486
DWARF: Add logging for unexpected CFA opcodes by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/2479
test/integration: Add initial tests for ruby and python by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2501
Cache executables for unwind tables to speed up CGI-like workloads by @gnurizen in https://github.com/parca-dev/parca-agent/pull/2517
debug: Make process filtering work by @gnurizen in https://github.com/parca-dev/parca-agent/pull/2550

New Contributors

@morphis made their first contribution in https://github.com/parca-dev/parca-agent/pull/2340
@korniltsev made their first contribution in https://github.com/parca-dev/parca-agent/pull/2476
@gnurizen made their first contribution in https://github.com/parca-dev/parca-agent/pull/2486

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.28.0...v0.29.0

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.29.0

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v0.28.0

5 months ago

Changelog

Features

interpreter: Enable Python and Ruby Unwinding by default by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2281
interpreter: Add filenames for interpreted functions by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2278
profiler: Make the profile events rate limits adjustable by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2322

Fixes

python: Fix detection logic by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2263
Fix unbounded memory growth with perfmaps/JIT dumps by @brancz in https://github.com/parca-dev/parca-agent/pull/2265
pprof: Fix panic while assembling interpreter's profile by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2267
pkg/compiler: Fix path building by @brancz in https://github.com/parca-dev/parca-agent/pull/2315
pkg/metadata/compiler: Use filepath.Join by @brancz in https://github.com/parca-dev/parca-agent/pull/2316

Enhancements

metadata: Add arch label by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2218
metadata: Add runtime labels for NodeJS by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2233
main: Allow passing token via env var by @brancz in https://github.com/parca-dev/parca-agent/pull/2256
metadata: Separate label sets per runtime by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2253pull/2272
profiler: Improve BPF events handling by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2285
metadata: Cache and control compiler metadata fetches by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2287
interpreter: Reduce the number of the reads from the interpreter symbol table by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2290
runtime: Use ainur.StreamReader instead of io.RuneReader by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2304
runtime: Optimize FindSymbol by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2305
bpf: Remove line number from the frame by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2286
*: Use optimized symtabs for jitdump and perfmaps by @brancz in https://github.com/parca-dev/parca-agent/pull/2307
profiler: Fix error handling by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2318
pkg/symtab: Use bufio.Writer to reduce write syscalls by @brancz in https://github.com/parca-dev/parca-agent/pull/2321
pkg/perf: Prevent intermediate perfmap/jitdump entry lists by @brancz in https://github.com/parca-dev/parca-agent/pull/2325

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.27.0...v0.28.0

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.28.0

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v0.27.0

6 months ago

Changelog

Features

elfwriter: Add a writer that mimics objcopy --keep-only-debug by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2144

Fixes

elfwriter: Better compressed section handling by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2133
Fix for 5.4 and older kernels running on arm64 by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2177
(fixes a panic) unwind info: Implement opcode for return address signing by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2193

Improvements

Makefile: Unify make action naming by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2146
Add LFU cache by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2038
feat(snap): ensure snapd restarts service if the agent crashes by @jnsgruk in https://github.com/parca-dev/parca-agent/pull/2215

Performance

unwinder/native: Remove unnecessary return address read by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2198
runtime/interpreter: Check the paths first for faster and cheaper detection by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2196
*: Optimize procinfo mapping updates by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2194

Memory savings in the BPF maps

unwinder/native: Unify native stacks by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2199
unwinder/interpreters: Unify interpreter stacks by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2214

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.26.0...v0.27.0

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.28.0

Thanks!

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v0.26.0

7 months ago

Changelog

Features

Add check for known kernel issues by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2070
Add support for more Ruby versions by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2090

Fixes

pkg/process: Remove dead code from maps.go by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/2052
docs: update kernel minimum requirement by @dreamerlzl in https://github.com/parca-dev/parca-agent/pull/2063
pkg/process: Do not overallocate executable maps by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2065
bpf: Fix task identifier usage by to reduce CPU usage and mem usage from O(threads) -> O(procs) @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2066
pkg/stack/unwind: Remove unused argument by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2076
Do not produce bad synthetic rows by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2080
Remove redundant unwind rows by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2081
Use 64 bit hash and fix out of bounds access by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2102

Testing

Add support for printing the final BPF tables by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2077

Other

Move debuginfo extraction to elfwriter package by @brancz in https://github.com/parca-dev/parca-agent/pull/2100

New Contributors

@dreamerlzl made their first contribution in https://github.com/parca-dev/parca-agent/pull/2063

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.25.1...v0.26.0

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.28.0

Thanks!

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v0.25.1

7 months ago

This release is a small improvement over v0.25.0 which improves performance and lowers/removes large memory spikes.

Changelog

Fixes

*: Add more CPU profiler metrics by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2041
bpf: rate limit events by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2040
pkg/process: Only keep executable mappings by @brancz in https://github.com/parca-dev/parca-agent/pull/2050
unwinder/native: Accomodate larger program due to rate limits by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2059
deps: Upgrade prometheus/procfs by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2061

Breaking changes

--verbose-bpf-logging is now --bpf-verbose-logging

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.25.0...v0.25.1

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.28.0

Thanks!

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v0.25.0

7 months ago

Changelog

Features

BPF: Add DWARF Unwinding for Arm64 by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/2023

Fixes

objectfile: Remove panics by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2032
pkg/cache: Fix data races by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2031

Enhancements

Reduce size of object pool by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2028
Add panic reporting by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/2026

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.24.0...v0.25.0

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.25.0

Thanks!

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v0.24.0

8 months ago

Changelog

Features

Add initial Ruby support by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1933
Add initial Python Support by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/1984
- Extend Python version support by @kakkoyun in https://github.com/parca-dev/parca-agent/pull/2019
pkg/stack/unwind: Add unwind tables support for Arm64 by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/1953
Add support for parsing v8 symbols by @brancz in https://github.com/parca-dev/parca-agent/pull/2021

Fixes

pkg/convert: Fix locations by @zdyj3170101136 in https://github.com/parca-dev/parca-agent/pull/1905
Fix warning by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/1910
fix(cache): ensure LoadingOnceCache can only load once by @maxbrunet in https://github.com/parca-dev/parca-agent/pull/1998

Enhancements

Ensure we are running under root by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1992
Detect the agent running in a non-root PID namespace by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1993
unwinding: Move compact unwind table generation by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1958
pkg/perf: More robust perf map parsing by @brancz in https://github.com/parca-dev/parca-agent/pull/1994
Don't perform address normalization locally by @brancz in https://github.com/parca-dev/parca-agent/pull/1928
added VDSO unit tests by @Namanl2001 in https://github.com/parca-dev/parca-agent/pull/1916
pkg/metadata: provide jdk label by @zdyj3170101136 in https://github.com/parca-dev/parca-agent/pull/1926
tests: Add integration tests for mixed-mode unwinding by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1943
test/integration: Ensure we don't leak goroutines by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1960

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.23.3...v0.24.0

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.24.0

Thanks!

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v0.23.3

9 months ago

Changelog

Fixes

fix: "BPF program too large" error in kernel release 6.4 and greater by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1908
deploy: Remove liveness probe by @brancz in https://github.com/parca-dev/parca-agent/pull/1876
pkg/mapping: Add more patterns for mappings not to open by @brancz in https://github.com/parca-dev/parca-agent/pull/1896 pull/1898

Improvements

feature/convert: Add filename and support native method by @zdyj3170101136 in https://github.com/parca-dev/parca-agent/pull/1846
pkg/runtime: Prevent allocations from searching symbol tables by @brancz in https://github.com/parca-dev/parca-agent/pull/1901 parca-agent/pull/1903
pkg/cpu: Reduce .text section error spam by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/1864
pkg/convert: reduce allocation by @zdyj3170101136 in https://github.com/parca-dev/parca-agent/pull/1886
test: Add 6.1 kernel to tests by @javierhonduco in https://github.com/parca-dev/parca-agent/pull/1894 parca-dev/parca-agent/pull/1895
Delightful logs by @Sylfrena in https://github.com/parca-dev/parca-agent/pull/1879

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.23.2...v0.23.3

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.23.3

Thanks!

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v0.23.2

9 months ago

Changelog

Fixes

Fix only reporting profiling data of a single thread of a process per profiling cycle by @brancz in https://github.com/parca-dev/parca-agent/pull/1874

Full Changelog: https://github.com/parca-dev/parca-agent/compare/v0.23.1...v0.23.2

Docker images

docker pull ghcr.io/parca-dev/parca-agent:v0.23.2

Thanks!

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