GitHub graphsignal/graphsignal published this on Oct 12, 2026 (source: github.com).
The open-source Graphsignal GPU profiler now ships graphsignal-top, a terminal view refreshed every second for any engine started under graphsignal-run, such as vLLM or SGLang. It shows per-GPU utilization, memory, power and throttling, the engine's queue, tok/s and TTFT/TPOT percentiles, a split of GPU time across kernels, CUDA graphs, memcpy and sync, and every kernel ranked by time with a readable name. It can also attach to a remote profiler or print a single frame for logs.
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