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perf vs Arm Performix: catalog facts
perf	Arm Performix
Free Free and open source as part of the Linux kernel.	Free Free to download and use.
Linux, Command line	Linux, Command line
Uses hardware performance counters and kernel tracepoints Profiles both the whole system and single processes	Profiles applications and captures hardware-level metrics Provides visualizations and guided bottleneck analysis
Linux only Command-line output takes practice to interpret	Supports Linux on Arm Neoverse systems
Downloadable app	Downloadable app
Open source	Closed source
License: GPL-2.0	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 8, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.