LSIRQ(1)

💖 LSIRQ(1) — the girlies' guide to kernel interrupts 💖

okay so bestie, you know how your kernel is like constantly getting pinged by hardware? yeah, this is the page for lsirq, a lil User Commands baddie from the util-linux package that shows you all of that. pull up a chair, we're doing this together 🫶

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✨ NAME ✨

lsirq — utility to display kernel interrupt information. that's it, that's the job, and she does it flawlessly 💅

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🎀 SYNOPSIS 🎀

lsirq [options]

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🦋 DESCRIPTION 🦋

Display kernel interrupt counter information. like, all the little "hey bestie i need attention" taps your hardware sends to the kernel? this is the receipts ✨

⚠️ real talk, no cap: the default output is subject to change. so whenever possible, you should avoid using default outputs in your scripts. always explicitly define expected columns by using --output. this is not me being dramatic, this is me being correct. protect your scripts, bestie 😭

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👑 OPTIONS 👑

• -n, --noheadings — Don't print headings. just the raw tea, no labels 🍓
• -i, --input file — Read data from file (Which was created by other tools, e.g. sosreport(1)). like, if somebody else already collected the info, you can just vibe off their file 💜
• -o, --output list — Specify which output columns to print. Use --help to get a list of all supported columns. and ooh, cute detail: the default list of columns may be extended if list is specified in the format +list. so you're adding, not replacing. iconic behavior honestly ⭐
• -s, --sort column — Specify sort criteria by column name. See --help output to get column names. get your list in the order you want, main character energy 🌈
• -J, --json — Use JSON output format. for when your script needs structure, not vibes 🧚
• -P, --pairs — Produce output in the form of key="value" pairs. All potentially unsafe characters are hex-escaped (\x<code>). safety first, always 💖
• -S, --softirq — Show softirqs information. yes, the soft ones. the gentle interrupts. soft launch interrupts 😌
• -t, --threshold min — Only show IRQs with counters above the specified threshold. Human readable values are supported (e.g. 1.2K). no need to type out 1200 like a peasant, she understands 1.2K 💅
• -C, --cpu-list list — Only show interrupt counters on the specified CPU list. filter it down, we love a focused queen 👑
• -h, --help — Display help text and exit. always read the help bestie 🥺
• -V, --version — Display version and exit. 💜

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🌸 ENVIRONMENT 🌸

• LIBSMARTCOLS_DEBUG=all — enables libsmartcols debug output. peak nerd mode activated 🔥
• LIBSMARTCOLS_DEBUG_PADDING=on — use visible padding characters. so you can see the padding. yes bestie, with your eyes 👀
• LIBSMARTCOLS_JSON=compact|lines — Controls JSON output format when using --json. Supported values are compact for JSON output with minimal whitespace, and lines for JSON Lines format (one JSON object per line). If unset or set to any other value, pretty-printed JSON is used. three whole aesthetics, pick your fighter ✨

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💜 AUTHORS 💜

Zhenwei Pi <pizhenwei@bytedance.com>, Sami Kerola <kerolasa@iki.fi>, Karel Zak <kzak@redhat.com>, Robin Jarry <robin@jarry.cc>

four absolute legends, we stan 🫶

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🙈 REPORTING BUGS 🙈

For bug reports, use the issue tracker <https://github.com/util-linux/util-linux/issues>. found a bug? tell them! they wanna know! don't suffer in silence, bestie 😭

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⭐ AVAILABILITY ⭐

The lsirq command is part of the util-linux package which can be downloaded from Linux Kernel Archive <https://www.kernel.org/pub/linux/utils/util-linux/>. go get your girl 💖

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okay that's the whole page, you're officially certified in lsirq now, no cap 🎓💅 this was the LSIRQ(1) manual page, brought to you by util-linux 2.42.4 and dated 2026-09-21. love u, go check your interrupts, mwah 🫶✨💖