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2026-01-09 - 13:26
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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 all highest latencies:
System rack2slot0.osadl.org (updated Fri Jan 09, 2026 00:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
215772750,0sleep00-21swapper/021:58:010
293232580,1sleep229324-21grep23:05:472
42382570,0sleep10-21swapper/123:44:441
277752560,1sleep027762-21sshd23:52:080
137332540,0sleep2311rcuc/222:59:062
144132530,1sleep314401-21sshd23:31:513
98002520,0sleep10-21swapper/123:56:011
253162520,0sleep3391rcuc/322:51:503
82842510,0sleep20-21swapper/222:53:092
60112510,0sleep20-21swapper/221:56:192
22532510,0sleep10-21swapper/121:59:261
327102500,1sleep332683-21sshd23:17:023
129812500,0sleep10-21swapper/123:40:001
30872490,0sleep01-21systemd23:41:510
109582490,1sleep20-21swapper/221:12:252
98612480,0sleep00-21swapper/023:45:100
71302480,0sleep00-21swapper/022:06:450
31162480,0sleep20-21swapper/223:55:262
291062480,2sleep11145499cyclictest00:22:121
283982480,0sleep30-21swapper/322:41:133
275692470,0sleep10-21swapper/123:11:081
184472470,0sleep218445-21lspci23:54:062
1098024635,7sleep20-21swapper/219:05:382
254082440,0sleep20-21swapper/200:19:142
29872290,0sleep00-21swapper/022:47:150
111322287,7sleep00-21swapper/019:07:270
1130922311,7sleep30-21swapper/319:09:433
95452219,7sleep10-21swapper/119:05:091
197222210,0sleep319721-21lspci22:01:123
310372190,1sleep231024-21sshd00:11:282
209182190,0sleep30-21swapper/321:19:463
178802190,1sleep217870-21sshd00:07:392
221572170,1sleep2321ktimersoftd/222:18:412
19022170,0sleep00-21swapper/021:10:470
146082170,0sleep30-21swapper/323:29:123
79612160,1sleep3391rcuc/323:12:143
315162160,1sleep331509-21lspci21:55:323
240562160,1sleep2311rcuc/200:24:332
224152160,1sleep1241ktimersoftd/121:20:011
131732160,0sleep20-21swapper/223:40:012
28762150,0sleep00-21swapper/000:11:500
258412150,0sleep10-21swapper/122:35:351
172122150,1sleep017215-21bash22:53:560
162922150,0sleep2311rcuc/221:24:312
292672140,0sleep01026-21sshd23:27:410
11461991413,0cyclictest17183-21lspci00:34:552
11454991413,0cyclictest10904-21kworker/1:300:28:471
304092130,0sleep130412-21bash23:30:251
242472130,0sleep20-21swapper/221:51:212
232622130,0sleep10-21swapper/123:19:011
1146799130,12cyclictest20822-21cp21:30:203
1146199130,1cyclictest620-17auditd22:21:342
1145499130,1cyclictest13000-21systemd-cgroups22:50:471
11467991210,1cyclictest29505-21sshd22:38:403
11467991210,1cyclictest0-21swapper/322:59:503
1146799120,1cyclictest12366-21sshd00:34:293
1146799120,11cyclictest0-21swapper/322:17:593
1146799120,0cyclictest0-21swapper/322:13:393
11461991211,0cyclictest22081-21lspci22:29:552
11461991211,0cyclictest14682-21lspci23:48:192
1146199120,1cyclictest30275-21sshd23:41:232
1146199120,11cyclictest853-21lspci23:14:242
11454991211,0cyclictest0-21swapper/123:45:161
11454991210,1cyclictest674-21dbus-daemon00:06:271
11454991210,1cyclictest28562-21systemd-cgroups22:22:171
1145499120,1cyclictest30999-21sshd22:41:261
1145499120,11cyclictest674-21dbus-daemon00:13:461
1145499120,11cyclictest27659-21systemd-cgroups21:34:361
1144999120,1cyclictest29302-21latency_hist00:25:000
1144999120,11cyclictest8233-21sshd00:06:510
1144999120,11cyclictest1-21systemd22:22:010
1146799111,2cyclictest41-21ksoftirqd/322:07:013
1146799111,1cyclictest131rcu_sched23:57:173
11467991110,0cyclictest0-21swapper/323:39:003
11467991110,0cyclictest0-21swapper/300:20:093
1146799110,1cyclictest131rcu_sched23:55:003
1146799110,1cyclictest0-21swapper/300:05:493
1146799110,10cyclictest0-21swapper/322:45:303
1146799110,10cyclictest0-21swapper/320:11:293
1146799110,10cyclictest0-21swapper/300:02:003
1146799110,0cyclictest0-21swapper/322:29:593
1146199119,1cyclictest24147-21sshd23:27:142
11461991110,0cyclictest3749-21lspci22:39:142
11461991110,0cyclictest0-21swapper/223:32:532
1146199110,10cyclictest0-21swapper/221:41:342
1146199110,10cyclictest0-21swapper/221:41:332
1146199110,0cyclictest0-21swapper/200:37:132
1145499119,1cyclictest11920-21sshd22:26:161
1145499119,1cyclictest0-21swapper/122:32:261
11454991110,0cyclictest0-21swapper/123:05:261
11454991110,0cyclictest0-21swapper/122:16:261
1145499110,10cyclictest0-21swapper/121:50:361
1144999119,1cyclictest710-21NetworkManager22:43:200
1144999119,1cyclictest27128-21sshd00:03:000
1144999119,1cyclictest0-21swapper/023:36:500
1144999119,1cyclictest0-21swapper/022:32:100
11449991110,0cyclictest0-21swapper/021:34:000
1144999110,10cyclictest0-21swapper/000:28:300
1146799109,0cyclictest0-21swapper/323:07:193
1146799108,1cyclictest41-21ksoftirqd/321:45:183
1146799108,1cyclictest41-21ksoftirqd/300:15:313
1146799108,1cyclictest0-21swapper/323:44:393
1146799103,1cyclictest41-21ksoftirqd/321:44:013
1146799103,1cyclictest41-21ksoftirqd/321:44:003
1146799101,1cyclictest41-21ksoftirqd/300:10:543
1146799101,1cyclictest131rcu_sched00:26:133
1146799100,9cyclictest11598-21kworker/3:322:20:463
1146799100,1cyclictest131rcu_sched23:02:453
1146799100,0cyclictest75750irq/24-eno1-rx-21:26:393
1146799100,0cyclictest0-21swapper/321:13:503
1146199109,0cyclictest29774-21lspci23:00:232
1146199109,0cyclictest2468-21lspci00:25:232
1146199109,0cyclictest13709-21lspci22:00:312
1146199109,0cyclictest10818-21lspci22:31:382
1146199109,0cyclictest0-21swapper/200:01:142
1146199100,9cyclictest31455-21kworker/2:321:34:292
1146199100,0cyclictest0-21swapper/221:35:442
1146199100,0cyclictest0-21swapper/220:20:542
1145499109,0cyclictest0-21swapper/123:00:271
1145499109,0cyclictest0-21swapper/121:48:271
1145499109,0cyclictest0-21swapper/121:25:271
1145499109,0cyclictest0-21swapper/120:40:161
1145499109,0cyclictest0-21swapper/119:54:561
1145499109,0cyclictest0-21swapper/100:39:161
1145499108,1cyclictest13438-21sshd21:36:271
1145499108,1cyclictest0-21swapper/123:50:571
1145499108,1cyclictest0-21swapper/123:28:171
1145499100,0cyclictest0-21swapper/121:44:271
1145499100,0cyclictest0-21swapper/121:44:261
1145499100,0cyclictest0-21swapper/121:18:161
1145499100,0cyclictest0-21swapper/120:35:161
1144999109,0cyclictest0-21swapper/023:31:100
1144999109,0cyclictest0-21swapper/023:05:100
1144999109,0cyclictest0-21swapper/023:00:110
1144999109,0cyclictest0-21swapper/022:13:410
1144999109,0cyclictest0-21swapper/021:24:500
1144999109,0cyclictest0-21swapper/000:32:010
1144999108,1cyclictest0-21swapper/023:59:500
1144999108,1cyclictest0-21swapper/000:35:300
1144999100,0cyclictest0-21swapper/021:26:410
114679998,0cyclictest0-21swapper/321:20:303
114679997,1cyclictest41-21ksoftirqd/323:22:083
114679997,1cyclictest41-21ksoftirqd/300:35:143
114679995,1cyclictest41-21ksoftirqd/323:47:443
114679992,2cyclictest41-21ksoftirqd/321:50:183
114679991,1cyclictest131rcu_sched22:30:373
114619998,0cyclictest0-21swapper/222:10:242
114619998,0cyclictest0-21swapper/219:36:542
114619998,0cyclictest0-21swapper/219:11:132
114619991,1cyclictest131rcu_sched23:15:152
114619991,1cyclictest131rcu_sched22:49:052
114619990,3cyclictest33-21ksoftirqd/223:22:222
114619990,1cyclictest32045-21lspci22:05:562
114619990,1cyclictest131rcu_sched22:41:362
114549998,0cyclictest9162-21sshd23:20:261
114549998,0cyclictest0-21swapper/122:57:561
114549998,0cyclictest0-21swapper/122:48:171
114549998,0cyclictest0-21swapper/122:01:461
114549995,3cyclictest22409-21sshd22:11:491
114499998,0cyclictest0-21swapper/023:23:000
114499998,0cyclictest0-21swapper/022:57:400
114499998,0cyclictest0-21swapper/021:43:500
114499998,0cyclictest0-21swapper/021:43:500
114499997,1cyclictest0-21swapper/000:17:410
114499991,4cyclictest13436-21munin-run19:15:010
114679986,1cyclictest642-21systemd-logind21:35:453
114619987,0cyclictest24507-21lspci21:25:422
114619986,1cyclictest33-21ksoftirqd/221:45:292
114619980,0cyclictest0-21swapper/219:25:232
114549987,0cyclictest0-21swapper/121:14:471
114549986,1cyclictest1-21systemd22:08:561
114549985,2cyclictest642-21systemd-logind00:15:041
114549984,3cyclictest25-21ksoftirqd/100:34:301
114499987,0cyclictest0-21swapper/022:36:310
114499987,0cyclictest0-21swapper/022:18:000
114499987,0cyclictest0-21swapper/022:03:400
114499987,0cyclictest0-21swapper/021:39:510
114499986,1cyclictest660-21avahi-daemon23:10:410
114499986,1cyclictest14283-21lspci21:18:350
114679976,0cyclictest0-21swapper/320:50:193
114679975,1cyclictest41-21ksoftirqd/319:50:003
114619976,0cyclictest0-21swapper/220:00:532
114619971,1cyclictest131rcu_sched21:04:542
114619970,0cyclictest0-21swapper/219:20:242
114549976,0cyclictest0-21swapper/119:15:161
114549972,1cyclictest674-21dbus-daemon00:01:501
114499975,1cyclictest674-21dbus-daemon22:25:020
114499974,2cyclictest699-21gdbus23:15:380
114499974,2cyclictest30050-21sshd21:48:370
114499974,2cyclictest18742-21sshd21:50:450
114679965,0cyclictest41-21ksoftirqd/321:00:003
114679964,1cyclictest41-21ksoftirqd/319:15:003
114679963,2cyclictest1002-21snmpd20:42:233
114679963,2cyclictest1002-21snmpd20:15:283
114679963,2cyclictest1002-21snmpd19:26:163
114679960,0cyclictest0-21swapper/320:07:303
114619965,0cyclictest0-21swapper/220:56:342
114619963,2cyclictest674-21dbus-daemon21:15:072
114619963,2cyclictest1002-21snmpd19:56:422
114619963,2cyclictest1002-21snmpd19:34:172
114549966,0cyclictest26152-21kworker/1:021:02:421
114549964,1cyclictest642-21systemd-logind19:30:011
114549960,5cyclictest0-21swapper/120:30:371
114549960,5cyclictest0-21swapper/120:24:171
114499965,0cyclictest0-21swapper/019:40:200
114499965,0cyclictest0-21swapper/019:40:190
114499963,2cyclictest660-21avahi-daemon19:50:010
114679954,0cyclictest0-21swapper/320:27:593
114679953,1cyclictest41-21ksoftirqd/319:20:013
114679953,1cyclictest28927-21cat19:50:153
114679953,1cyclictest25139-21cat21:00:123
114679953,1cyclictest195972sleep320:45:213
114679953,1cyclictest1705-21sendmail19:55:063
114679953,1cyclictest1002-21snmpd21:06:513
114679953,1cyclictest1002-21snmpd20:35:393
114679953,1cyclictest1002-21snmpd20:30:553
114679953,1cyclictest1002-21snmpd20:21:553
114679953,1cyclictest1002-21snmpd20:00:323
114679953,1cyclictest1002-21snmpd19:31:383
114679952,2cyclictest13963-21cut19:15:013
114679952,2cyclictest1002-21snmpd19:41:303
114679952,2cyclictest1002-21snmpd19:41:293
114619953,1cyclictest660-21avahi-daemon20:30:122
114619953,1cyclictest33-21ksoftirqd/219:15:002
114619953,1cyclictest27187-21cat21:05:132
114619953,1cyclictest26504-21cpuspeed_turbos19:45:112
114619953,1cyclictest24886-21cat19:40:132
114619953,1cyclictest24886-21cat19:40:122
114619953,1cyclictest14802-21grep20:35:112
114619953,1cyclictest1002-21snmpd20:41:382
114619953,1cyclictest1002-21snmpd20:25:482
114619953,1cyclictest1002-21snmpd20:07:512
114619953,1cyclictest1002-21snmpd19:50:332
114619952,2cyclictest1002-21snmpd20:50:102
114619952,2cyclictest1002-21snmpd20:12:572
114549954,0cyclictest0-21swapper/120:51:161
114549953,1cyclictest14738-21kworker/1:020:45:141
114549953,1cyclictest1002-21snmpd20:16:031
114549953,1cyclictest1002-21snmpd20:00:591
114549953,1cyclictest1002-21snmpd19:57:241
114549953,1cyclictest1002-21snmpd19:48:261
114549953,1cyclictest1002-21snmpd19:44:121
114549953,1cyclictest1002-21snmpd19:44:111
114549953,1cyclictest1002-21snmpd19:38:021
114549953,1cyclictest1002-21snmpd19:29:401
114549952,2cyclictest1002-21snmpd19:21:291
114549952,2cyclictest1002-21snmpd19:10:291
114549952,1cyclictest0-21swapper/120:10:001
114549951,1cyclictest0-21swapper/120:25:531
114549950,1cyclictest27519-21grep21:05:151
114499955,0cyclictest26109-21kworker/0:121:06:150
114499954,0cyclictest0-21swapper/019:20:300
114499953,1cyclictest649-21polkitd20:05:010
114499953,1cyclictest646-21lsmd20:38:370
114499953,1cyclictest24947-21grep21:00:120
114499953,1cyclictest23636-21grep19:35:190
114499953,1cyclictest15071-21ntpdc19:15:160
114499953,1cyclictest1002-21snmpd20:56:400
114499953,1cyclictest1002-21snmpd20:50:190
114499953,1cyclictest1002-21snmpd20:46:170
114499953,1cyclictest1002-21snmpd20:40:280
114499953,1cyclictest1002-21snmpd20:34:180
114499953,1cyclictest1002-21snmpd20:26:060
114499953,1cyclictest1002-21snmpd20:20:010
114499953,1cyclictest1002-21snmpd20:11:000
114499953,1cyclictest1002-21snmpd19:57:300
114499953,1cyclictest1002-21snmpd19:53:020
114499953,1cyclictest1002-21snmpd19:26:010
114499952,2cyclictest20379-21wc19:30:090
114499952,2cyclictest1055-21pluginstate20:00:140
114499952,2cyclictest1002-21snmpd20:15:390
114679940,1cyclictest22620-21df19:35:113
114619942,1cyclictest18537-21/usr/sbin/munin20:45:142
114619942,1cyclictest0-21swapper/220:15:152
114549943,1cyclictest1763-21kworker/1:020:05:121
114549942,1cyclictest22601-21seq20:55:061
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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