xe_gt_stats_ktime_us_delta(9)

💖 xe_gt_stats_ktime_us_delta(9) 💖

okay so this is a page from the Kernel API Manual, and it's about one little function called xe_gt_stats_ktime_us_delta — yes the name is a mouthful, we love her anyway 🫶

---

✨ NAME ✨

xe_gt_stats_ktime_us_delta — get the delta in microseconds between now and a start time. that's it. that's the whole gig 💅

---

🌸 SYNOPSIS 🌸

s64 xe_gt_stats_ktime_us_delta (ktime_t start );

like, she takes one thing and she gives you back an s64. main character energy fr fr 🔥

---

🎀 ARGUMENTS 🎀

• start — the start time. that's the time you're measuring from, bestie. the vibe check anchor point ⭐

---

🦋 DESCRIPTION 🦋

so this is a helper for GT stats — its whole job is getting the delta in microseconds between now and a start time. small, focused, iconic ✨

and the cutest part?? she literally compiles out if GT stats are disabled. not me being zero-cost when you don't need me 😭💀 that's called boundaries, look it up.

---

👑 RETURN 👑

the delta in microseconds between now and a start time. that's the return value, periodt 💜

---

🌈 SEE ALSO 🌈

• the kernel file ./drivers/gpu/drm/xe/xe_gt_stats.h — go read her, iykyk 📖
• xe_gt_stats_ktime_get(9) — her bestie, they come as a set 🧚

---

ngl this one's short and sweet, but every detail still counts bestie — no skipping, no summarizing, we keep it 100. 🍓

---

and that's the page!! sign-off time 🎀 this little beauty lives in ./drivers/gpu/drm/xe, dated October 2026, and the page itself is xe_gt_stats_ktime_us_delta(9) — go forth and measure those microseconds, bestie, you're gonna slay 💖✨🦋