brintos

brintos / linux-shallow public Read only

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Text · 1.2 KiB · c4b3fdd Raw
41 lines · python
1#!/usr/bin/env drgn2#3# Copyright (C) 2024 Tejun Heo <tj@kernel.org>4# Copyright (C) 2024 Meta Platforms, Inc. and affiliates.5 6desc = """7This is a drgn script to show the current sched_ext state.8For more info on drgn, visit https://github.com/osandov/drgn.9"""10 11import drgn12import sys13 14def err(s):15    print(s, file=sys.stderr, flush=True)16    sys.exit(1)17 18def read_int(name):19    return int(prog[name].value_())20 21def read_atomic(name):22    return prog[name].counter.value_()23 24def read_static_key(name):25    return prog[name].key.enabled.counter.value_()26 27def ops_state_str(state):28    return prog['scx_ops_enable_state_str'][state].string_().decode()29 30ops = prog['scx_ops']31enable_state = read_atomic("scx_ops_enable_state_var")32 33print(f'ops           : {ops.name.string_().decode()}')34print(f'enabled       : {read_static_key("__scx_ops_enabled")}')35print(f'switching_all : {read_int("scx_switching_all")}')36print(f'switched_all  : {read_static_key("__scx_switched_all")}')37print(f'enable_state  : {ops_state_str(enable_state)} ({enable_state})')38print(f'bypass_depth  : {prog["scx_ops_bypass_depth"].value_()}')39print(f'nr_rejected   : {read_atomic("scx_nr_rejected")}')40print(f'enable_seq    : {read_atomic("scx_enable_seq")}')41