init_tracefs(9)

✨ init_tracefs(9) ✨

okay bestie, welcome to the init_tracefs page from the Kernel API Manual 💅 this one's short and sweet but she's important, so let's get into it 🫶

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🌸 NAME 🌸

init_tracefs — a function to initialize the tracefs interface files 💖

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🦋 SYNOPSIS 🦋

int init_tracefs (void );

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🎀 ARGUMENTS 🎀

• void — no arguments, bestie. none. zero. nada. she takes nothing and she slays anyway ✨

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👑 DESCRIPTION 👑

so here's the tea ☕ — this function creates entries in tracefs for "hwlat_detector" 🔥

like literally, it creates the hwlat_detector directory in the tracing directory 📁 and inside that directory you'll find the count, width and window files — those are the ones you use to change and view those values 👀 iykyk

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🌈 SEE ALSO 🌈

• Kernel file ./kernel/trace/trace_hwlat.c get_sample(9), hwlat_mode_write(9) 🧚

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ngl she's a tiny function but she's the main character of setting up your hwlat_detector files, so show her some respect 💀💜

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and that's the whole page, bestie — mwah 💋 this was init_tracefs(9) from ./kernel/trace, dated October 2026, and it literally ate 🌟 go forth and read those count, width and window files 👑