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2026-05-15 - 13:34
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
Total number of samples: 100 million
Resolution of latency scale: normal
Duration: 5 hours, 33 minutes, lowest P state: performance
Characteristics of the 100 highest latencies:
System rack3slot0.osadl.org (updated Fri May 15, 2026 00:43:26)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71192750,0sleep50-21swapper/521:28:585
175262600,0sleep50-21swapper/522:59:245
62952570,0sleep00-21swapper/000:34:500
252022510,0sleep60-21swapper/623:24:486
168225128,8sleep30-21swapper/319:04:433
6492500,1sleep0638-21bash21:49:270
293902490,0sleep60-21swapper/621:57:026
195624926,8sleep40-21swapper/419:08:044
63962480,0sleep26398-21systemd-cgroups23:12:192
190112480,0sleep10-21swapper/123:37:571
256972470,0sleep20-21swapper/222:06:112
120342470,0sleep30-21swapper/321:09:253
249452460,0sleep724937-21sshd22:46:297
231312460,0sleep50-21swapper/521:52:525
192212460,0sleep20-21swapper/200:29:482
76432450,0sleep30-21swapper/323:25:413
54372450,0sleep60-21swapper/621:32:356
35822450,0sleep4471rcuc/421:20:564
305962450,1sleep0101ktimersoftd/023:05:520
243232450,0sleep00-21swapper/021:49:030
129502450,1sleep512947-21grepconf.sh00:29:275
128572450,0sleep10-21swapper/123:02:571
260192440,0sleep20-21swapper/222:25:172
142852440,0sleep50-21swapper/500:15:575
55572430,0sleep40-21swapper/423:39:044
316262430,1sleep031620-21bash22:35:080
154252430,1sleep115423-21bash23:04:571
74332420,0sleep50-21swapper/521:32:425
39942420,0sleep0111rcuc/022:01:120
267672420,2sleep2218699cyclictest23:42:142
303542410,0sleep00-21swapper/021:26:280
300872410,0sleep40-21swapper/421:18:474
179524128,9sleep50-21swapper/519:06:135
100942410,0sleep10-21swapper/122:14:511
70202400,0sleep50-21swapper/522:03:185
323022400,0sleep232299-21sshd23:34:532
316012400,0sleep30-21swapper/321:41:453
191924028,9sleep20-21swapper/219:07:382
173724028,8sleep70-21swapper/719:05:277
169924027,9sleep00-21swapper/019:04:560
278392390,0sleep10-21swapper/123:40:211
209152390,1sleep120898-21bash21:54:331
170523927,8sleep60-21swapper/619:05:026
266472380,0sleep70-21swapper/700:18:477
170023826,9sleep10-21swapper/119:04:571
315052370,0sleep10-21swapper/100:19:051
181922370,0sleep40-21swapper/400:06:434
250602350,0sleep00-21swapper/021:54:480
205702350,0sleep70-21swapper/722:24:587
150522350,0sleep5758-21runrttasks00:37:205
220499233,2cyclictest49-21ksoftirqd/422:22:574
220499228,1cyclictest49-21ksoftirqd/400:36:174
220499219,2cyclictest49-21ksoftirqd/400:16:324
220499216,1cyclictest49-21ksoftirqd/423:08:194
221499203,6cyclictest17550-21grepconf.sh23:35:566
220499208,1cyclictest49-21ksoftirqd/421:29:174
220499207,1cyclictest49-21ksoftirqd/421:39:444
220499205,3cyclictest49-21ksoftirqd/400:30:424
220499203,3cyclictest49-21ksoftirqd/400:26:464
2204992010,4cyclictest49-21ksoftirqd/422:05:164
2204992010,3cyclictest49-21ksoftirqd/421:59:294
220499201,1cyclictest49-21ksoftirqd/423:43:414
221499190,9cyclictest16836-21sd-pam23:22:306
220499196,1cyclictest49-21ksoftirqd/423:59:084
220499192,3cyclictest49-21ksoftirqd/423:46:284
2204991914,4cyclictest49-21ksoftirqd/423:51:074
2186991914,1cyclictest33-21ksoftirqd/200:07:322
77052180,0sleep30-21swapper/321:30:483
221499183,9cyclictest752-21snmpd23:14:116
221499180,1cyclictest1-21systemd23:29:386
220499188,3cyclictest49-21ksoftirqd/422:09:334
220499187,1cyclictest49-21ksoftirqd/422:39:204
220499186,3cyclictest49-21ksoftirqd/421:57:174
220499186,1cyclictest49-21ksoftirqd/423:19:114
220499185,4cyclictest49-21ksoftirqd/400:01:014
220499185,1cyclictest49-21ksoftirqd/422:32:074
220499184,2cyclictest49-21ksoftirqd/423:11:334
220499184,2cyclictest49-21ksoftirqd/422:25:164
2204991814,1cyclictest49-21ksoftirqd/421:24:194
2204991813,4cyclictest49-21ksoftirqd/400:11:044
2204991813,1cyclictest49-21ksoftirqd/423:29:284
2186991814,3cyclictest33-21ksoftirqd/200:04:062
125682180,0sleep412543-21rm21:09:264
84552170,0sleep58452-21sshd21:21:135
306672170,1sleep730665-21grepconf.sh22:16:097
221499170,2cyclictest596-21systemd00:36:286
220499177,1cyclictest49-21ksoftirqd/422:38:134
220499175,3cyclictest49-21ksoftirqd/421:45:044
220499174,1cyclictest49-21ksoftirqd/422:46:394
2204991715,1cyclictest49-21ksoftirqd/421:50:484
2204991715,1cyclictest464-21systemd-journal23:15:104
2204991712,4cyclictest49-21ksoftirqd/422:17:544
220499171,3cyclictest131rcu_sched23:00:004
2186991715,2cyclictest33-21ksoftirqd/221:14:212
2186991713,3cyclictest33-21ksoftirqd/222:42:382
2186991713,1cyclictest33-21ksoftirqd/223:02:292
2186991711,5cyclictest33-21ksoftirqd/221:13:242
218699171,1cyclictest131rcu_sched21:35:312
107692170,2sleep5220899cyclictest21:17:365
75652160,0sleep10-21swapper/122:45:271
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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