Print out per-node nr/max_active numbers to improve visibility into node_nr_active operations.
Unified · Split
| @@ -50,6 +50,7 @@ import drgn · 49 unmodified lines | ||
| 50 | 50 | from drgn.helpers.linux.list import list_for_each_entry,list_empty |
| 51 | 51 | from drgn.helpers.linux.percpu import per_cpu_ptr |
| 52 | 52 | from drgn.helpers.linux.cpumask import for_each_cpu,for_each_possible_cpu |
| 53 | +from drgn.helpers.linux.nodemask import for_each_node | |
| 53 | 54 | from drgn.helpers.linux.idr import idr_for_each |
| 54 | 55 | |
| 55 | 56 | import argparse |
| @@ -107,7 +108,6 @@ WQ_AFFN_NUMA = prog['WQ_AFFN_NUMA'] · 51 unmodified lines | ||
| 107 | 108 | WQ_AFFN_SYSTEM = prog['WQ_AFFN_SYSTEM'] |
| 108 | 109 | |
| 109 | 110 | WQ_NAME_LEN = prog['WQ_NAME_LEN'].value_() |
| 110 | − | |
| 111 | 111 | cpumask_str_len = len(cpumask_str(wq_unbound_cpumask)) |
| 112 | 112 | |
| 113 | 113 | print('Affinity Scopes') |
| @@ -205,3 +205,42 @@ for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_( · 91 unmodified lines | ||
| 205 | 205 | print(f' {wq.rescuer.task.pid.value_():6}', end='') |
| 206 | 206 | print(f' {cpumask_str(wq.rescuer.task.cpus_ptr):{rcpus_len}}', end='') |
| 207 | 207 | print('') |
| 208 | + | |
| 209 | +print('') | |
| 210 | +print('Unbound workqueue -> node_nr/max_active') | |
| 211 | +print('=======================================') | |
| 212 | + | |
| 213 | +if 'node_to_cpumask_map' in prog: | |
| 214 | + __cpu_online_mask = prog['__cpu_online_mask'] | |
| 215 | + node_to_cpumask_map = prog['node_to_cpumask_map'] | |
| 216 | + nr_node_ids = prog['nr_node_ids'].value_() | |
| 217 | + | |
| 218 | + print(f'online_cpus={cpumask_str(__cpu_online_mask.address_of_())}') | |
| 219 | + for node in for_each_node(): | |
| 220 | + print(f'NODE[{node:02}]={cpumask_str(node_to_cpumask_map[node])}') | |
| 221 | + print('') | |
| 222 | + | |
| 223 | + print(f'[{"workqueue":^{WQ_NAME_LEN-2}}\\ min max', end='') | |
| 224 | + first = True | |
| 225 | + for node in for_each_node(): | |
| 226 | + if first: | |
| 227 | + print(f' NODE {node}', end='') | |
| 228 | + first = False | |
| 229 | + else: | |
| 230 | + print(f' {node:7}', end='') | |
| 231 | + print(f' {"dfl":>7} ]') | |
| 232 | + print('') | |
| 233 | + | |
| 234 | + for wq in list_for_each_entry('struct workqueue_struct', workqueues.address_of_(), 'list'): | |
| 235 | + if not (wq.flags & WQ_UNBOUND): | |
| 236 | + continue | |
| 237 | + | |
| 238 | + print(f'{wq.name.string_().decode():{WQ_NAME_LEN}} ', end='') | |
| 239 | + print(f'{wq.min_active.value_():3} {wq.max_active.value_():3}', end='') | |
| 240 | + for node in for_each_node(): | |
| 241 | + nna = wq.node_nr_active[node] | |
| 242 | + print(f' {nna.nr.counter.value_():3}/{nna.max.value_():3}', end='') | |
| 243 | + nna = wq.node_nr_active[nr_node_ids] | |
| 244 | + print(f' {nna.nr.counter.value_():3}/{nna.max.value_():3}') | |
| 245 | +else: | |
| 246 | + printf(f'node_to_cpumask_map not present, is NUMA enabled?') | |