xe_eu_stall_..._read_locked(9)

💅 xe_eu_stall_stream_read_locked(9) 💅

okay bestie, welcome to the Kernel API Manual page for xe_eu_stall_stream_read_locked — it's giving “copy the EU stall counters data from the per xecore buffers to the userspace buffer” and honestly? iconic. ✨

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✨ NAME ✨

xe_eu_stall_stream_read_locked — copy EU stall counters data from the per xecore buffers to the userspace buffer 💖

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🌸 SYNOPSIS 🌸

ssize_t xe_eu_stall_stream_read_locked (struct xe_eu_stall_data_stream
*stream , struct file *file , char __user *buf , size_t count );

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🎀 ARGUMENTS 🎀

• stream — a stream opened for EU stall count metrics 🫶
• file — an xe EU stall data stream file 🌈
• buf — destination buffer given by userspace, no cap 💅
• count — the number of bytes userspace wants to read 👑

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💖 RETURN 💖

Number of bytes copied or a negative error code. If we've successfully copied any data then reporting that takes precedence over any internal error status, so the data isn't lost. 😭💾

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🦋 SEE ALSO 🦋

Kernel file ./drivers/gpu/drm/xe/xe_eu_stall.c and struct eu_stall_open_properties(9), xe_eu_stall_get_sampling_rates(9), xe_eu_stall_get_per_xecore_buf_size(9), xe_eu_stall_data_record_size(9), num_data_rows(9), xe_eu_stall_init(9), buf_data_size(9), eu_stall_data_buf_poll(9), xe_eu_stall_stream_open(9) ⭐

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cute little sign-off bestie: source is ./drivers/gpu/drm/xe, date is October 2026, and the page tag is xe_eu_stall_..._read_locked(9) — periodt. 💜🎀