github-actions[bot]
f9fcc7adab
date: 2026-06-28T09:48:35 master commit: da6313dbe95b3f24bb5d8018b0e5f950f5823ca7
440 B
440 B
SQTT Profiling
Getting SQ Thread Trace
VIZ=2 to enable SQTT profiling.
SQTT_ITRACE_SE_MASK=X to select shader engines for instruction tracing, -1 = all, 0 = disabled, >0 = SE bitmask, default 0b11.
SQTT_BUFFER_SIZE=X to change size of SQTT buffer (per shader engine, 6 SEs on 7900xtx) in megabytes, default 256.
Viewing the traces
- Web UI:
tinygrad/viz/serve.py - Command line:
python -m tinygrad.renderer.amd.sqtt