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2026-03-26 - 19:52
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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 376 highest latencies:
System rack2slot0.osadl.org (updated Thu Mar 26, 2026 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
669521100,1sleep0674-21dbus-daemon11:35:280
281402940,0sleep00-21swapper/012:21:220
55212920,0sleep20-21swapper/211:51:572
169852620,0sleep10-21swapper/109:38:531
144952620,0sleep20-21swapper/211:38:592
45952580,0sleep30-21swapper/310:51:253
189872560,0sleep20-21swapper/209:36:182
108562560,0sleep00-21swapper/011:49:420
215702540,1sleep321552-21sshd09:36:313
277062530,0sleep10-21swapper/109:50:351
71942520,0sleep00-21swapper/010:08:000
300912520,0sleep10-21swapper/112:27:041
240722520,0sleep20-21swapper/211:42:312
216072520,0sleep00-21swapper/010:41:570
12602520,0sleep2311rcuc/211:29:372
90972510,1sleep29099-21kworker/u8:210:54:362
317012510,0sleep20-21swapper/210:18:152
264792510,0sleep00-21swapper/009:30:520
177932510,0sleep10-21swapper/110:33:281
98222500,0sleep19821-21lspci09:46:221
4582500,0sleep00-21swapper/009:20:100
37152490,0sleep00-21swapper/010:32:150
177462490,2sleep22755299cyclictest09:44:242
175912490,1sleep017595-21grepconf.sh11:14:290
154472490,2sleep12754599cyclictest11:33:331
326932480,0sleep10-21swapper/109:23:591
284092480,0sleep00-21swapper/009:53:260
181432480,0sleep20-21swapper/210:41:392
319052470,1sleep3391rcuc/310:18:163
296112470,0sleep329592-21sshd09:50:453
315352450,0sleep20-21swapper/212:21:402
297992390,0sleep00-21swapper/011:15:250
209542350,0sleep10-21swapper/109:10:531
237392320,0sleep00-21swapper/012:26:310
2754599290,26cyclictest9683-21sshd11:38:331
272852298,7sleep10-21swapper/107:08:101
2593822916,7sleep00-21swapper/007:05:130
270692286,7sleep30-21swapper/307:05:243
2720722110,7sleep20-21swapper/207:07:112
2755299200,18cyclictest620-17auditd11:57:132
41382190,0sleep30-21swapper/309:56:503
251012190,0sleep225097-21bash09:26:532
27545991817,0cyclictest241ktimersoftd/110:15:581
207922180,1sleep020784-21bash11:01:000
140272180,1sleep1710-21NetworkManager10:57:441
138352180,1sleep213834-21sshd09:46:432
277172170,0sleep00-21swapper/010:45:130
260412170,1sleep026033-21bash11:06:560
257142170,1sleep325717-21bash11:45:203
223782170,0sleep20-21swapper/212:07:062
311872160,0sleep30-21swapper/310:23:413
226432160,0sleep10-21swapper/111:47:551
186262160,1sleep31026-21sshd11:25:293
135832160,1sleep013580-21sshd10:16:410
27545991514,0cyclictest8091-21kworker/1:109:00:131
27545991513,1cyclictest29583-21kworker/1:411:27:041
27545991513,1cyclictest17440-21kworker/1:209:41:191
161132150,0sleep10-21swapper/111:52:521
110532150,1sleep2321ktimersoftd/212:03:272
27545991414,0cyclictest1499-21kworker/1:210:45:581
27545991413,0cyclictest241ktimersoftd/111:02:501
27545991412,1cyclictest13203-21bash09:29:231
14072140,1sleep0370-21jbd2/sda1-812:02:360
115172140,0sleep10-21swapper/111:11:111
48732130,1sleep04875-21lspci12:35:560
2755299131,1cyclictest642-21systemd-logind11:17:232
2755299130,12cyclictest0-21swapper/212:25:132
2754599134,1cyclictest25-21ksoftirqd/110:13:201
27545991312,0cyclictest24364-21kworker/1:011:06:351
27545991312,0cyclictest241ktimersoftd/108:30:161
27545991312,0cyclictest23385-21lspci12:18:151
27545991311,0cyclictest241ktimersoftd/112:06:241
216132130,0sleep30-21swapper/310:44:443
27557991210,1cyclictest29979-21gdbus09:13:283
27557991210,1cyclictest0-21swapper/309:16:193
2755799120,1cyclictest426-21bash12:27:193
2755799120,0cyclictest0-21swapper/312:39:583
27552991210,1cyclictest29589-21id10:23:342
2755299120,11cyclictest30648-21lspci11:32:032
2755299120,11cyclictest2145-21smartctl12:30:132
2755299120,11cyclictest0-21swapper/210:28:032
2754599128,1cyclictest25-21ksoftirqd/110:41:321
27545991212,0cyclictest241ktimersoftd/107:53:471
27545991211,0cyclictest24813-21lspci10:53:101
27545991211,0cyclictest241ktimersoftd/111:57:421
27545991211,0cyclictest241ktimersoftd/110:25:311
27545991211,0cyclictest17197-21kworker/1:211:23:451
27545991211,0cyclictest17197-21kworker/1:211:15:151
27545991211,0cyclictest12393-21kworker/1:309:19:071
27545991210,1cyclictest27244-21kworker/1:312:00:291
27545991210,1cyclictest22649-21sshd11:42:231
2754099124,4cyclictest29531-21munin-run07:14:590
27540991210,1cyclictest0-21swapper/010:57:370
2754099120,11cyclictest9352-21bash09:17:170
2754099120,11cyclictest29182-21sshd10:37:080
2754099120,11cyclictest0-21swapper/010:23:580
243022120,0sleep30-21swapper/310:28:343
173112120,0sleep10-21swapper/112:31:301
2755799119,1cyclictest16497-21bash09:25:483
2755799119,1cyclictest0-21swapper/311:05:083
2755799110,10cyclictest0-21swapper/310:48:293
2755799110,10cyclictest0-21swapper/310:33:293
2755799110,0cyclictest26775-21sshd12:32:183
2755799110,0cyclictest0-21swapper/310:11:583
2755299110,0cyclictest0-21swapper/209:55:342
27545991111,0cyclictest8091-21kworker/1:109:05:161
27545991110,1cyclictest7704-21kworker/1:312:24:451
27545991110,1cyclictest16228-21kworker/1:112:12:071
27545991110,0cyclictest17440-21kworker/1:209:31:061
27545991110,0cyclictest11704-21lspci10:08:241
27545991110,0cyclictest0-21swapper/110:20:541
2754599110,10cyclictest0-21swapper/110:03:531
2754599110,10cyclictest0-21swapper/109:57:041
2754099119,1cyclictest699-21gdbus11:56:270
2754099119,1cyclictest21804-21sshd11:31:170
2754099119,1cyclictest13178-21lspci11:25:080
2754099110,1cyclictest0-21swapper/011:23:570
2755799109,0cyclictest0-21swapper/312:07:083
2755799109,0cyclictest0-21swapper/310:08:593
2755799109,0cyclictest0-21swapper/309:45:283
2755799109,0cyclictest0-21swapper/309:21:383
2755799108,1cyclictest0-21swapper/312:16:083
2755799100,0cyclictest0-21swapper/312:22:183
2755799100,0cyclictest0-21swapper/311:51:183
2755299109,0cyclictest0-21swapper/212:19:042
2755299109,0cyclictest0-21swapper/209:32:042
2755299109,0cyclictest0-21swapper/209:23:232
2755299108,1cyclictest9542-21sshd10:38:132
2755299108,1cyclictest0-21swapper/210:05:042
2755299108,1cyclictest0-21swapper/210:00:532
2755299100,0cyclictest0-21swapper/212:37:532
2754599109,0cyclictest0-21swapper/107:58:431
2754599102,2cyclictest25-21ksoftirqd/112:37:001
2754099109,0cyclictest0-21swapper/012:06:580
2754099109,0cyclictest0-21swapper/010:11:080
2754099109,0cyclictest0-21swapper/008:58:580
2754099109,0cyclictest0-21swapper/007:45:170
2754099100,0cyclictest0-21swapper/012:19:480
275579998,0cyclictest0-21swapper/311:37:593
275579998,0cyclictest0-21swapper/311:21:483
275579996,2cyclictest660-21avahi-daemon11:02:373
275529998,0cyclictest0-21swapper/211:46:132
275459999,0cyclictest241ktimersoftd/108:26:131
275409997,1cyclictest31696-21rm10:50:570
275579985,2cyclictest699-21gdbus12:00:533
275579985,2cyclictest660-21avahi-daemon12:14:423
275579985,2cyclictest660-21avahi-daemon10:56:003
275579985,2cyclictest660-21avahi-daemon10:00:593
275579984,3cyclictest660-21avahi-daemon11:32:093
275579984,1cyclictest29653-21sshd11:40:133
275579980,7cyclictest23745-21sshd11:12:143
275529987,0cyclictest0-21swapper/209:11:132
275529986,1cyclictest30709-21lspci10:48:132
275529986,1cyclictest21946-21id11:03:532
275529985,2cyclictest674-21dbus-daemon12:10:052
275529985,2cyclictest660-21avahi-daemon11:22:202
275529985,2cyclictest660-21avahi-daemon10:34:172
275529985,2cyclictest660-21avahi-daemon09:16:222
275459988,0cyclictest241ktimersoftd/107:37:421
275459981,0cyclictest131rcu_sched10:35:011
275409987,0cyclictest0-21swapper/011:52:180
275409987,0cyclictest0-21swapper/010:02:270
275409987,0cyclictest0-21swapper/009:40:470
275409986,1cyclictest9-21ksoftirqd/009:55:100
275409986,1cyclictest22935-21sshd12:31:590
275409985,2cyclictest674-21dbus-daemon09:39:580
275409985,2cyclictest660-21avahi-daemon11:40:130
275409985,2cyclictest15548-21sshd10:25:070
275409983,4cyclictest674-21dbus-daemon08:35:010
24649280,6sleep225080-21grepconf.sh09:50:212
275579975,1cyclictest660-21avahi-daemon10:35:233
275579974,2cyclictest660-21avahi-daemon11:55:213
275579974,2cyclictest660-21avahi-daemon09:30:123
275579973,3cyclictest674-21dbus-daemon11:15:133
275579972,2cyclictest674-21dbus-daemon09:40:073
275579970,6cyclictest0-21swapper/308:25:293
275529975,1cyclictest674-21dbus-daemon11:05:062
275529975,1cyclictest4941-21sshd10:10:282
275529974,2cyclictest674-21dbus-daemon10:55:212
275529974,2cyclictest29979-21gdbus11:10:412
275459977,0cyclictest241ktimersoftd/108:03:081
275459976,1cyclictest28281-21kworker/1:208:42:441
275459971,1cyclictest131rcu_sched08:15:001
275409975,1cyclictest674-21dbus-daemon12:12:110
275409974,2cyclictest674-21dbus-daemon09:25:040
275409974,2cyclictest5856-21sshd09:46:020
275409974,2cyclictest29069-21sshd09:11:540
275579965,0cyclictest0-21swapper/308:45:183
275579964,1cyclictest649-21polkitd09:10:013
275579963,2cyclictest1002-21snmpd08:52:493
275579963,2cyclictest1002-21snmpd08:42:303
275579963,2cyclictest1002-21snmpd08:24:113
275579963,2cyclictest1002-21snmpd07:16:423
275529963,2cyclictest1002-21snmpd08:48:422
275529963,2cyclictest1002-21snmpd08:30:532
275529963,2cyclictest1002-21snmpd08:12:292
275529963,2cyclictest1002-21snmpd08:06:412
275529960,5cyclictest0-21swapper/208:57:532
275529960,5cyclictest0-21swapper/208:26:442
275459966,0cyclictest5847-21kworker/1:107:47:151
275459966,0cyclictest241ktimersoftd/108:08:091
275459965,0cyclictest0-21swapper/108:56:031
275459965,0cyclictest0-21swapper/108:47:531
275459965,0cyclictest0-21swapper/108:16:041
275459963,2cyclictest28281-21kworker/1:208:35:171
275459960,5cyclictest0-21swapper/107:26:041
275459960,5cyclictest0-21swapper/107:17:131
275409965,0cyclictest0-21swapper/008:47:570
275409963,2cyclictest1002-21snmpd07:58:410
275409960,5cyclictest0-21swapper/008:27:170
275409960,5cyclictest0-21swapper/008:06:280
275409960,5cyclictest0-21swapper/007:18:080
275579954,0cyclictest0-21swapper/309:00:283
275579953,1cyclictest674-21dbus-daemon07:40:013
275579953,1cyclictest4553-21cat07:30:133
275579953,1cyclictest28984-21cat08:30:133
275579953,1cyclictest2520-21cat07:25:133
275579953,1cyclictest1002-21snmpd08:36:033
275579953,1cyclictest1002-21snmpd08:05:143
275579953,1cyclictest1002-21snmpd08:00:033
275579953,1cyclictest1002-21snmpd07:55:073
275579953,1cyclictest1002-21snmpd07:45:103
275579953,1cyclictest1002-21snmpd07:40:013
275579953,1cyclictest1002-21snmpd07:10:133
275579952,2cyclictest22446-21cat08:15:123
275579952,2cyclictest1002-21snmpd08:55:123
275579952,2cyclictest1002-21snmpd08:10:173
275579952,2cyclictest1002-21snmpd07:51:013
275579950,0cyclictest0-21swapper/307:20:083
275529954,0cyclictest0-21swapper/207:32:532
275529954,0cyclictest0-21swapper/207:20:032
275529953,1cyclictest9822-21sshd07:43:492
275529953,1cyclictest8837-21cat09:00:122
275529953,1cyclictest445-21systemd-journal07:49:142
275529953,1cyclictest31019-21cat08:35:132
275529953,1cyclictest1002-21snmpd08:50:572
275529953,1cyclictest1002-21snmpd08:41:312
275529953,1cyclictest1002-21snmpd08:21:172
275529953,1cyclictest1002-21snmpd08:17:062
275529953,1cyclictest1002-21snmpd08:02:002
275529953,1cyclictest1002-21snmpd07:56:532
275529953,1cyclictest1002-21snmpd07:50:082
275529953,1cyclictest1002-21snmpd07:29:322
275529953,1cyclictest1002-21snmpd07:10:452
275529952,2cyclictest1002-21snmpd07:35:292
275529950,4cyclictest0-21swapper/209:08:042
275459954,0cyclictest0-21swapper/108:50:231
275459953,1cyclictest1002-21snmpd07:42:101
275459953,1cyclictest1002-21snmpd07:30:011
275459953,1cyclictest1002-21snmpd07:23:101
275459953,1cyclictest1002-21snmpd07:10:361
275459952,2cyclictest1002-21snmpd08:20:591
275409954,0cyclictest0-21swapper/009:04:570
275409954,0cyclictest0-21swapper/007:28:170
275409953,1cyclictest6227-21tr07:35:110
275409953,1cyclictest389-21cat07:20:120
275409953,1cyclictest31811-21grep08:35:190
275409953,1cyclictest24939-21irqstats08:20:140
275409953,1cyclictest11258-21ntpq09:05:160
275409953,1cyclictest1002-21snmpd08:50:060
275409953,1cyclictest1002-21snmpd08:42:430
275409953,1cyclictest1002-21snmpd08:17:540
275409953,1cyclictest1002-21snmpd07:40:560
275409952,2cyclictest22087-21taskset08:14:270
275409950,1cyclictest5862-21latency_hist07:35:000
275529942,1cyclictest30093-21munin-node07:15:002
275409942,1cyclictest16897-21memory08:00:140
275409942,1cyclictest13254-21sensors07:50:180
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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