Nsight Systems 2025.2.1 Desktop-Server (x86-64|Arm SBSA) Release Announcement

Nsight Systems 2025.2.1 Desktop-Server (x86-64|Arm SBSA) Release Announcement
The latest update to NVIDIA Nsight Systems - a triage and performance analysis tool designed to track GPU workloads to their CPU origins within a system-wide view. These features help you analyze your applications’ GPU utilization, graphic and compute API activity, and OS runtime operations. This helps optimize your application to perform and scale efficiently across any quantity or size of CPUs and GPUs—from workstations to supercomputers.—is now available for download. Nsight Systems 2025.2.1 introduces several improvements aimed to enhance the profiling experience.

2025.2.1 Highlights

  • Dask API trace
  • PyTourch enhancements
  • Python 3.13 support
  • CUDA trace enhancements
    • (Beta) Hardware based low-overhead CUDA trace for NVIDIA Blackwell (–trace=cuda-hw)
    • GPU Direct Storage trace (–trace=gdc)
    • CUDA device side event trace (–cuda-event-trace)
    • Graph trace improvements
    • Kernel CGA dimensions & policy
    • Stream priority in tooltips
    • NVIDIA Confidential Compute support improvements
  • Windows graphics trace enhancements
    • GPU Frame Duration for DLSS Frame Generation
    • GPU resource trace tracks pre-start allocation names
    • Graphics Hotspot Analysis recipe
  • Linux system trace enhancements
    • Syscall trace enhancements (requires CAP_BPF and CAP_PERFMON)
      • Support system-wide mode (–syscall=pid-namespace)
      • Collect backtraces
    • OS Runtime Trace (OSRT) VFS POSIX functions trace (–osrt-file-access=true)
  • NVIDIA Grace support enhancements
    • Topdown analysis recipe for PMU events based on NVTX range annotations
    • Updates to available counters & metrics
  • NVIDIA Tools Extensions(NVTX) API & support enhancements
    • Various bug fixes
    • Payloads Extensions
    • Counters Extensions
    • Deferred Events Extensions
    • Updates bundled within NVIDIA Nsight Systems and github
  • NVIDIA Nsight Systems Plugins
    • Callback for last-chance to submit NVTX deferred events on stop
    • Windows support
  • GUI improvements
    • macOS GUI now available for arm64
    • Go to range — a timeline toolbar to quickly jump to the longest, shortest, and median ranges
  • NVIDIA Nsight Streamer is now available on NGC for viewing reports on remote headless servers
  • NVIDIA Nsight Operator releasing soon on NGC for Kubernetes
    • Learn more here and apply for early access features

Nsight Systems is part of the powerful debugging and profiling NVIDIA Nsight Tools Suite. A developer can start with Nsight Systems for an overall system view and avoid picking less efficient optimizations based on assumptions and false-positive indicators.

More information

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  • Leave a comment or question in NVIDIA Forums or visit the Nsight product page to download the latest release of Nsight Systems.