PROBE::SCHEDULER.C(3stap)

✨ PROBE::SCHEDULER.C(3stap) ✨

okay bestie, welcome to the Scheduler Tapset section of the SystemTap manual — this one is literally called PROBE::SCHEDULER.C and it's about that exact moment when a process is so about to get off the CPU. it's giving "packing up, lights off, leaving the party." 🎀

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🌸 NAME 🌸

probe::scheduler.cpu_off — Process is about to stop running on a cpu

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🦋 SYNOPSIS 🦋

probe scheduler.cpu_off {}

no arguments, no drama, just vibes. 💅

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💖 VALUES 💖

here's everything this probe hands you when it fires. memorize it, it's on the test (jk there's no test, but still) ✨

• task_next — the process replacing current. yes, the new main character stepping in as the old one exits stage left. 👑
• idle — a boolean indicating whether current is the idle process. so like, is the CPU just chilling with nothing to do? this tells you. 🌈
• name — name of the probe point. it's literally just the name, bestie, it's in the name. 🫶
• task_prev — the process leaving the cpu (same as current). it's the same thing as current, no cap — don't get confused, they're twins. 💜

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🧚 CONTEXT 🧚

The process leaving the cpu. that's the whole context, periodt. 🎀

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⭐ SEE ALSO ⭐

tapset::scheduler(3stap) — go read that one too, iykyk. 💖

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and that's a wrap on this page, babes! it came from the SystemTap Tapset Reference, dated September 2026, and yeah the version field in the footer got a lil truncated but we move. slay, go probe some schedulers. 💅✨🦋