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2026-04-02 - 07:59
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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 Thu Apr 02, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4182950,0sleep0400-21sshd21:42:370
209602730,0sleep20-21swapper/222:20:042
9772590,1sleep0101ktimersoftd/022:10:090
195942580,0sleep10-21swapper/123:39:331
188282560,1sleep3391rcuc/321:44:123
271322550,0sleep10-21swapper/121:55:481
221682550,0sleep0111rcuc/023:45:120
194692540,0sleep3391rcuc/323:34:033
140032540,0sleep30-21swapper/322:19:293
79262530,0sleep20-21swapper/221:56:572
189452530,1sleep218944-21sshd23:09:182
212212520,1sleep221220-21grep00:09:542
211062520,0sleep00-21swapper/022:03:360
187772520,0sleep30-21swapper/322:11:363
176372520,0sleep00-21swapper/021:13:370
143422520,0sleep10-21swapper/121:28:441
136692520,0sleep30-21swapper/323:41:433
9282510,0sleep20-21swapper/200:10:512
8292510,0sleep00-21swapper/023:07:430
295152510,0sleep20-21swapper/221:15:032
23162510,0sleep20-21swapper/221:48:162
212182510,1sleep3391rcuc/323:56:063
53252500,0sleep00-21swapper/023:43:490
225432500,0sleep10-21swapper/122:09:131
94032490,0sleep20-21swapper/222:13:352
315812490,0sleep10-21swapper/121:37:001
31352490,1sleep2311rcuc/222:15:432
288032490,0sleep00-21swapper/023:10:090
219782490,0sleep20-21swapper/223:23:162
225572480,0sleep20-21swapper/200:20:552
187752480,0sleep118778-21bash22:58:161
179222480,2sleep1215499cyclictest00:20:311
144762480,0sleep30-21swapper/321:52:013
281612470,0sleep20-21swapper/200:26:572
253642470,0sleep20-21swapper/223:48:162
211372460,0sleep00-21swapper/021:17:540
265302450,1sleep3622-13audispd23:26:223
247852380,1sleep024774-21bash23:20:410
116782380,0sleep00-21swapper/022:24:470
54152350,0sleep20-21swapper/222:32:262
17772308,7sleep10-21swapper/119:07:051
16522286,7sleep00-21swapper/019:05:320
164422814,9sleep20-21swapper/219:05:272
186822311,7sleep30-21swapper/319:08:003
57262190,0sleep30-21swapper/321:31:393
120972190,0sleep00-21swapper/000:22:500
232742170,0sleep20-21swapper/220:00:122
323372160,0sleep10-21swapper/122:12:461
242652160,1sleep0111rcuc/022:39:320
138302160,2sleep1215499cyclictest23:11:341
91422150,1sleep19143-21grepconf.sh22:32:451
100732150,1sleep010065-21sshd22:43:480
83212140,1sleep38324-21bash22:21:413
50642140,1sleep30-21swapper/322:46:043
3522140,1sleep3354-21grep21:59:063
229982140,0sleep10-21swapper/100:34:491
219012140,0sleep10-21swapper/122:44:491
2167991412,1cyclictest8826-21lspci00:28:043
216299140,0cyclictest0-21swapper/223:37:032
214899140,13cyclictest699-21gdbus00:31:400
20992140,1sleep02102-21nfsd423:35:160
147552140,0sleep30-21swapper/322:25:013
2167991311,1cyclictest0-21swapper/300:12:543
216799130,12cyclictest9911-21cp23:35:543
215499135,1cyclictest25-21ksoftirqd/123:17:591
214899130,1cyclictest10952-21rm21:28:190
30232120,0sleep30-21swapper/300:05:303
216799120,1cyclictest674-21dbus-daemon21:14:143
2162991210,1cyclictest795-21systemd-cgroups21:11:322
2162991210,1cyclictest0-21swapper/200:02:332
216299120,1cyclictest663-21ModemManager22:54:422
216299120,1cyclictest17578-21bash23:44:532
216299120,11cyclictest418-21sshd00:38:232
216299120,11cyclictest31594-21sshd22:37:232
215499125,1cyclictest25-21ksoftirqd/122:23:291
215499123,2cyclictest25-21ksoftirqd/100:26:081
2154991210,1cyclictest25754-21sshd22:39:401
215499120,1cyclictest121rcu_preempt22:18:521
214899120,1cyclictest0-21swapper/023:34:400
216799119,1cyclictest14552-21bash22:52:233
2167991110,0cyclictest0-21swapper/323:24:343
2167991110,0cyclictest0-21swapper/300:36:343
216799110,10cyclictest0-21swapper/321:19:343
216799110,0cyclictest0-21swapper/321:23:433
216299119,1cyclictest27866-21sshd22:48:032
216299110,10cyclictest0-21swapper/223:56:022
216299110,10cyclictest0-21swapper/223:26:532
216299110,10cyclictest0-21swapper/223:03:232
216299110,10cyclictest0-21swapper/221:22:122
216299110,0cyclictest0-21swapper/222:59:032
215499119,1cyclictest25-21ksoftirqd/121:45:161
215499119,1cyclictest17739-21sshd22:47:101
215499118,1cyclictest25-21ksoftirqd/100:36:161
215499112,1cyclictest25-21ksoftirqd/123:27:401
215499112,1cyclictest25-21ksoftirqd/123:07:161
215499111,1cyclictest25-21ksoftirqd/121:52:581
2154991110,0cyclictest0-21swapper/100:17:001
2154991110,0cyclictest0-21swapper/100:06:401
2154991110,0cyclictest0-21swapper/100:00:101
2148991110,0cyclictest0-21swapper/021:34:200
214899110,10cyclictest0-21swapper/022:09:500
214899110,10cyclictest0-21swapper/021:56:100
32002100,0sleep30-21swapper/300:30:183
216799109,0cyclictest0-21swapper/323:02:143
216799109,0cyclictest0-21swapper/300:16:443
216799109,0cyclictest0-21swapper/300:02:343
216799100,10cyclictest0-21swapper/321:48:393
216799100,0cyclictest29191-21sshd23:15:333
216799100,0cyclictest0-21swapper/322:02:233
216299109,0cyclictest0-21swapper/222:43:432
216299109,0cyclictest0-21swapper/219:25:132
216299108,1cyclictest15040-21lspci22:25:022
216299100,0cyclictest0-21swapper/223:16:422
215499109,0cyclictest0-21swapper/123:41:401
215499109,0cyclictest0-21swapper/123:33:491
215499109,0cyclictest0-21swapper/123:22:301
215499103,2cyclictest25-21ksoftirqd/123:00:041
215499103,1cyclictest25-21ksoftirqd/122:25:021
215499102,1cyclictest25-21ksoftirqd/121:17:321
215499101,1cyclictest25-21ksoftirqd/123:45:501
215499101,1cyclictest25-21ksoftirqd/121:41:131
215499101,1cyclictest131rcu_sched21:35:001
215499100,3cyclictest649-21polkitd21:14:031
215499100,0cyclictest0-21swapper/122:52:401
214899109,0cyclictest0-21swapper/023:04:100
214899109,0cyclictest0-21swapper/022:26:400
214899100,0cyclictest0-21swapper/022:55:300
214899100,0cyclictest0-21swapper/021:51:490
214899100,0cyclictest0-21swapper/000:07:500
214899100,0cyclictest0-21swapper/000:01:200
13682100,0sleep00-21swapper/000:10:520
21679998,0cyclictest0-21swapper/323:14:243
21679998,0cyclictest0-21swapper/323:07:443
21679995,3cyclictest660-21avahi-daemon22:44:413
21629998,0cyclictest0-21swapper/221:30:532
21629998,0cyclictest0-21swapper/221:29:232
21629998,0cyclictest0-21swapper/200:33:132
21629997,1cyclictest20944-21sshd23:53:232
21549998,0cyclictest25-21ksoftirqd/123:55:181
21549998,0cyclictest0-21swapper/120:25:201
21549992,3cyclictest25-21ksoftirqd/121:22:111
21549992,3cyclictest25-21ksoftirqd/100:10:001
21549990,0cyclictest131rcu_sched23:50:561
21549990,0cyclictest131rcu_sched22:00:171
21489998,0cyclictest0-21swapper/023:58:400
21489997,1cyclictest13398-21lspci23:19:500
21489997,1cyclictest1-21systemd22:33:500
21679987,0cyclictest0-21swapper/300:20:333
21679986,1cyclictest14089-21lspci22:57:523
21679986,1cyclictest0-21swapper/322:36:143
21679985,2cyclictest660-21avahi-daemon21:39:043
21679985,2cyclictest660-21avahi-daemon21:25:333
21679984,2cyclictest660-21avahi-daemon23:48:183
21629987,0cyclictest0-21swapper/222:00:022
21629986,1cyclictest28624-21lspci23:32:012
21629985,2cyclictest660-21avahi-daemon21:53:252
21629985,2cyclictest660-21avahi-daemon21:40:502
21629985,2cyclictest660-21avahi-daemon21:37:102
21629980,0cyclictest0-21swapper/221:08:532
21549988,0cyclictest527-40kipmi019:50:451
21489987,0cyclictest0-21swapper/022:54:200
21489987,0cyclictest0-21swapper/021:45:300
21489987,0cyclictest0-21swapper/021:35:500
21489987,0cyclictest0-21swapper/019:47:300
21489987,0cyclictest0-21swapper/019:10:200
21489986,1cyclictest16478-21lspci23:28:170
21679975,1cyclictest5730-21sshd22:05:033
21679975,1cyclictest10050-21lspci22:30:073
21679974,2cyclictest660-21avahi-daemon23:50:173
21629976,0cyclictest0-21swapper/220:26:032
21629975,1cyclictest20818-21sshd22:06:162
21629974,2cyclictest674-21dbus-daemon00:16:392
21629974,2cyclictest660-21avahi-daemon23:10:432
21549975,1cyclictest25-21ksoftirqd/121:10:001
21489976,0cyclictest0-21swapper/020:53:500
21489975,1cyclictest660-21avahi-daemon22:45:260
21489975,1cyclictest660-21avahi-daemon00:15:390
21489975,1cyclictest28571-21lspci00:35:130
21489974,2cyclictest660-21avahi-daemon23:54:000
21489974,2cyclictest660-21avahi-daemon21:22:350
21489974,2cyclictest660-21avahi-daemon00:25:150
21489973,3cyclictest15955-21sshd22:16:500
21679964,1cyclictest674-21dbus-daemon20:35:003
21679964,1cyclictest1002-21snmpd19:21:433
21679963,2cyclictest1002-21snmpd20:50:433
21679963,2cyclictest1002-21snmpd20:41:063
21679963,2cyclictest1002-21snmpd19:40:433
21679963,2cyclictest1002-21snmpd19:35:043
21679963,2cyclictest1002-21snmpd19:26:553
21679960,5cyclictest0-21swapper/321:08:543
21679960,5cyclictest0-21swapper/319:10:043
21629963,2cyclictest1002-21snmpd21:00:462
21629963,2cyclictest1002-21snmpd20:22:472
21629963,2cyclictest1002-21snmpd19:22:282
21549966,0cyclictest527-40kipmi020:01:081
21549964,1cyclictest25-21ksoftirqd/119:30:001
21549963,2cyclictest1002-21snmpd20:40:301
21549961,2cyclictest699-21gdbus19:45:011
21489965,0cyclictest0-21swapper/020:45:200
21489965,0cyclictest0-21swapper/020:06:400
21489963,2cyclictest1002-21snmpd20:40:090
21489960,5cyclictest0-21swapper/020:11:090
21489960,0cyclictest0-21swapper/020:23:490
21679953,1cyclictest660-21avahi-daemon19:55:023
21679953,1cyclictest27603-21gltestperf20:10:113
21679953,1cyclictest1002-21snmpd21:00:403
21679953,1cyclictest1002-21snmpd20:57:003
21679953,1cyclictest1002-21snmpd20:45:553
21679953,1cyclictest1002-21snmpd20:25:393
21679953,1cyclictest1002-21snmpd20:20:033
21679953,1cyclictest1002-21snmpd20:17:513
21679953,1cyclictest1002-21snmpd19:52:503
21679953,1cyclictest1002-21snmpd19:45:173
21679953,1cyclictest1002-21snmpd19:32:343
21679953,1cyclictest1002-21snmpd19:18:303
21679952,2cyclictest3687-21cat20:30:133
21679950,4cyclictest26667-21users20:05:203
21679950,1cyclictest232732cpu20:00:123
21629953,1cyclictest674-21dbus-daemon20:15:002
21629953,1cyclictest674-21dbus-daemon19:50:012
21629953,1cyclictest6054-21find19:15:172
21629953,1cyclictest5443-21tr20:35:132
21629953,1cyclictest2816-21cat19:10:152
21629953,1cyclictest1088-21ntpd20:05:162
21629953,1cyclictest1002-21snmpd20:56:462
21629953,1cyclictest1002-21snmpd20:46:182
21629953,1cyclictest1002-21snmpd20:43:102
21629953,1cyclictest1002-21snmpd20:30:002
21629953,1cyclictest1002-21snmpd20:11:392
21629953,1cyclictest1002-21snmpd19:59:142
21629953,1cyclictest1002-21snmpd19:47:082
21629953,1cyclictest1002-21snmpd19:40:372
21629953,1cyclictest1002-21snmpd19:30:072
21629952,2cyclictest1002-21snmpd20:50:042
21629952,2cyclictest1002-21snmpd19:35:132
21549953,1cyclictest9710-21cat20:45:121
21549953,1cyclictest9336-21tail19:25:121
21549953,1cyclictest29636-21gltestperf20:15:131
21549953,1cyclictest25-21ksoftirqd/120:00:001
21549953,1cyclictest14659-21head20:55:211
21549953,1cyclictest1002-21snmpd21:04:071
21549953,1cyclictest1002-21snmpd20:38:211
21549953,1cyclictest1002-21snmpd20:34:181
21549953,1cyclictest1002-21snmpd20:11:241
21549953,1cyclictest1002-21snmpd19:38:441
21549953,1cyclictest1002-21snmpd19:10:251
21549952,2cyclictest1002-21snmpd20:08:201
21549952,1cyclictest25-21ksoftirqd/120:24:591
21549950,4cyclictest0-21swapper/119:22:401
21489954,0cyclictest0-21swapper/021:01:490
21489954,0cyclictest0-21swapper/020:32:000
21489953,1cyclictest674-21dbus-daemon19:25:010
21489953,1cyclictest660-21avahi-daemon20:20:000
21489953,1cyclictest24161-21head20:00:170
21489953,1cyclictest17842-21mii-tool21:05:130
21489953,1cyclictest13783-21cat20:55:150
21489953,1cyclictest1002-21snmpd20:38:590
21489953,1cyclictest1002-21snmpd19:58:370
21489953,1cyclictest1002-21snmpd19:51:470
21489953,1cyclictest1002-21snmpd19:35:310
21489953,1cyclictest1002-21snmpd19:20:160
21489953,1cyclictest1002-21snmpd19:15:070
21489952,2cyclictest1424-21expr20:25:130
21549942,1cyclictest25-21ksoftirqd/119:15:011
21549942,1cyclictest17179-21sort19:45:121
21549942,1cyclictest11250-21seq20:50:071
21489942,1cyclictest15669-21latency19:40:140
21489942,1cyclictest11097-21tr19:30:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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