Javier Honduvilla Coto

Articles by Javier Honduvilla Coto

Profiling Python and Ruby using eBPF

Dive into the internals of profiling interpreted Python and Ruby code using eBPF

October 04, 2023

eBPF

Interpreter

Ruby

Python

Continuous profiling

Profiling

Performance

Performance Profiling

Performance Analysis

Correctly Profiling Node.js with Zero-Instrumentation

Or: A tale of handling unexpected behaviour by the v8 runtime.

July 12, 2023

Parca Agent

Interpreter

Node.Js

Perf

Symbols

Frame Pointers

DWARF

JIT

Profiling

Javascript

What’s new in Parca 0.16 and Parca Agent 0.13?

We have exciting updates in this release, including improved JIT symbolization, reliability and quality improvements, step querying, and more!

March 1, 2023

Continuous-Profiling

Profiling

Parca

Parca Agent

DWARF

DWARF-Based Unwinding

JIT

Symbolization

Step Querying

Icicle Graphs

Design Decisions of a Continuous Profiler

The tradeoffs and considerations building continuous, fleet-wide profilers.

December 14, 2022

Continuous-Profiling

BPF

eBPF

Observability

Parca

FrostDB

High Cardinality

Debuginfod

Parca Agent

DWARF-based Stack Walking Using eBPF

Deep dive into the new DWARF-based stack unwinder using eBPF.

November 29, 2022

Profiling

BPF

eBPF

Observability

Frame Pointers

DWARF

DWARF-Based Unwinding

.eh_frame

Parca Agent

Announcing Profiling Support Without Frame Pointers

Open-Source Parca Agent is adding support for native applications compiled without frame pointers.

November 23, 2022

Profiling

eBPF

Observability

Frame Pointers

DWARF

DWARF-Based Unwinding

.eh_frame

Parca Agent

System-wide profiling in Parca Agent

How we re-architected Parca Agent to profile every process on the host and made it more scalable in the process.

August 24, 2022

Profiling

BPF

System-Wide

Parca Agent