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Commit48e1267773("sched_ext: Introduce scx_sched") introduced scx_root and removed scx_ops, causing scx_show_state.py to fail when searching for the 'scx_ops' object. [1] Fix by using 'scx_root' instead, with NULL pointer handling. [1] # drgn -s vmlinux ./tools/sched_ext/scx_show_state.py Traceback (most recent call last): File "/root/.venv/bin/drgn", line 8, in <module> sys.exit(_main()) ~~~~~^^ File "/root/.venv/lib64/python3.14/site-packages/drgn/cli.py", line 625, in _main runpy.run_path( ~~~~~~~~~~~~~~^ script_path, init_globals={"prog": prog}, run_name="__main__" ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ ) ^ File "<frozen runpy>", line 287, in run_path File "<frozen runpy>", line 98, in _run_module_code File "<frozen runpy>", line 88, in _run_code File "./tools/sched_ext/scx_show_state.py", line 30, in <module> ops = prog['scx_ops'] ~~~~^^^^^^^^^^^ _drgn.ObjectNotFoundError: could not find 'scx_ops' Fixes:48e1267773("sched_ext: Introduce scx_sched") Signed-off-by: Kohei Enju <enjuk@amazon.com> Reviewed-by: Emil Tsalapatis <emil@etsalapatis.com> Signed-off-by: Tejun Heo <tj@kernel.org>