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perf vs Intel Performance Counter Monitor: catalog facts
perf	Intel Performance Counter Monitor
Free Free and open source as part of the Linux kernel.	Free Free, with source published on GitHub.
Linux, Command line	Windows, Linux, Command line
Uses hardware performance counters and kernel tracepoints Profiles both the whole system and single processes	Exposes memory bandwidth and power counters Maintained by Intel
Linux only Command-line output takes practice to interpret	Aimed at Intel processors Needs low-level hardware access and technical knowledge
Downloadable app	Downloadable app
Open source	Open source
License: GPL-2.0	License not stated
No account needed	No account needed
Works offline	Works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

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