trace_s390_cio_stsch(9)

🎀 trace_s390_cio_stsch(9): the STSCH tracepoint tea 🎀

hiii bestie 💖 welcome to the trace_s390_cio_stsch(9) page from the Kernel API Manual — yes, we're doing kernel tracepoint lore today, and honestly? iconic. The whole vibe is: Store Subchannel instruction (STSCH) was performed. Slay.

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✨ NAME ✨

trace_s390_cio_stsch — Store Subchannel instruction (STSCH) was performed.

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💅 SYNOPSIS 💅

void trace_s390_cio_stsch (struct subchannel_id schid , struct schib
       *schib , int cc );

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🫶 ARGUMENTS 🫶

okay so three little besties walk into the function, and they are:

• schid — Subchannel ID. That's the subchannel ID, bestie.
• schib — Subchannel-Information block. The Subchannel-Information block, no cap.
• cc — Condition code. The condition code, periodt.

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🌈 SEE ALSO 🌈

Kernel file: ./drivers/s390/cio/trace.h

go touch grass with these icons:

• trace_s390_cio_msch(9)
• trace_s390_cio_tsch(9)
• trace_s390_cio_tpi(9)
• trace_s390_cio_ssch(9)
• trace_s390_cio_csch(9)
• trace_s390_cio_hsch(9)
• trace_s390_cio_xsch(9)
• trace_s390_cio_rsch(9)
• trace_s390_cio_chsc(9)
• trace_s390_cio_interrupt(9)
• trace_s390_cio_adapter_int(9)
• trace_s390_cio_stcrw(9)

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💖 source/version: ./drivers/s390/cio · date: October 2026 · page: trace_s390_cio_stsch(9) — okay bye bestie, mwah! 💖