24.17.1.3.3. gem5 Konata O3 pipeline viewer
Appears to be browser based, so you can zoom in and out, rather than the forced wrapping as for gem5 util/o3-pipeview.py O3 pipeline viewer.
Uses the same data source as util/o3-pipeview.py.
gem5 event queue DerivO3CPU syscall emulation freestanding example analysis: stall_gain shows how the text-based visualization can get problematic due to stalls requiring wraparounds.