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2026-05-13 - 11:58
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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 Wed May 13, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1811226863,3sleep30-21swapper/319:05:413
227292560,0sleep10-21swapper/122:30:391
200702550,0sleep30-21swapper/323:17:263
187902530,0sleep30-21swapper/323:31:093
187902530,0sleep30-21swapper/323:31:093
224122520,1sleep322410-21lspci00:29:403
193902520,1sleep319394-21bash22:38:413
190752520,0sleep10-21swapper/100:20:581
231592510,0sleep00-21swapper/023:20:240
214002510,0sleep10-21swapper/121:57:181
100552510,1sleep010052-21lspci22:40:340
240922500,0sleep20-21swapper/221:12:182
202172500,0sleep00-21swapper/000:07:150
83622490,0sleep20-21swapper/200:06:132
205572490,0sleep00-21swapper/023:42:240
170402490,0sleep217032-21sshd22:44:022
145612480,0sleep014518-21sshd23:03:100
59832470,0sleep10-21swapper/121:50:221
41042470,0sleep30-21swapper/321:53:033
29282470,0sleep20-21swapper/222:56:352
276832470,1sleep3401ktimersoftd/322:31:053
275762470,0sleep20-21swapper/222:39:252
144992470,0sleep10-21swapper/122:07:481
144992470,0sleep10-21swapper/122:07:471
214842460,0sleep221487-21bash22:11:092
234722440,0sleep0101ktimersoftd/021:43:360
173152420,2sleep11856699cyclictest22:02:311
72672390,0sleep00-21swapper/021:18:080
56752380,0sleep20-21swapper/200:36:292
1840223210,7sleep20-21swapper/219:09:222
1833123010,6sleep00-21swapper/019:08:280
183272308,7sleep10-21swapper/119:08:251
18566992322,0cyclictest241ktimersoftd/123:14:311
18570992018,1cyclictest26258-21lspci21:43:502
86052190,2sleep3674-21dbus-daemon21:45:073
5322190,0sleep10-21swapper/122:28:501
135072180,1sleep313491-21sshd22:27:083
282842170,0sleep30-21swapper/319:30:163
240592170,0sleep10-21swapper/123:53:451
218912160,0sleep30-21swapper/323:25:513
267462150,0sleep10-21swapper/123:23:341
18566991515,0cyclictest27986-21kworker/1:221:25:251
18566991513,1cyclictest21087-21kworker/1:023:37:281
152732150,0sleep20-21swapper/223:05:562
143502150,0sleep314352-21id23:08:423
311542140,1sleep125-21ksoftirqd/100:02:381
291982140,0sleep21026-21sshd21:46:502
18566991414,0cyclictest7880-21kworker/1:023:58:171
18566991414,0cyclictest22168-21kworker/1:200:11:491
18566991414,0cyclictest18284-21kworker/1:021:39:271
18566991414,0cyclictest10587-21kworker/1:122:36:291
18566991413,0cyclictest241ktimersoftd/122:41:421
18566991413,0cyclictest1449-21lspci22:56:281
18566991413,0cyclictest10058-21kworker/1:322:21:131
92822130,0sleep29277-21sshd21:34:002
77502130,0sleep10-21swapper/122:18:201
282702130,0sleep00-21swapper/022:28:260
1857199130,1cyclictest32441-21sshd22:06:333
1857199130,1cyclictest32441-21sshd22:06:323
1857199130,12cyclictest30209-21lspci23:40:233
18570991311,1cyclictest622-13audispd21:59:192
1856699134,1cyclictest25-21ksoftirqd/123:15:571
1856699134,1cyclictest25-21ksoftirqd/121:43:431
18566991313,0cyclictest27980-21kworker/1:222:45:391
18566991312,0cyclictest27986-21kworker/1:221:22:071
133452130,0sleep20-21swapper/223:41:462
129692130,0sleep30-21swapper/300:17:433
113312130,0sleep111309-21sshd23:25:021
84772120,0sleep20-21swapper/223:10:532
317672120,2sleep31857199cyclictest22:45:153
29332120,2sleep31857199cyclictest23:13:153
219512120,2sleep01856099cyclictest21:57:210
18571991210,1cyclictest15354-21sshd23:39:123
18570991211,0cyclictest0-21swapper/222:48:092
18570991210,1cyclictest22806-21lspci21:27:592
1857099120,1cyclictest8194-21sshd22:54:182
1857099120,1cyclictest2455-21bash21:21:292
1857099120,1cyclictest2246-21sshd21:50:092
1857099120,1cyclictest0-21swapper/221:38:192
1857099120,11cyclictest21229-21sshd23:28:392
1856699122,1cyclictest25-21ksoftirqd/123:07:211
1856699122,1cyclictest25-21ksoftirqd/100:32:591
18566991212,0cyclictest31308-21kworker/1:119:50:151
1856699121,1cyclictest241ktimersoftd/121:34:261
18566991211,1cyclictest13895-21kworker/1:123:01:151
18566991211,0cyclictest25-21ksoftirqd/100:29:591
18566991211,0cyclictest11980-21lspci22:13:101
18566991210,1cyclictest4170-21bash00:39:101
1856699120,1cyclictest317642sleep121:17:091
1856699120,11cyclictest24771-21sshd23:31:401
1856699120,11cyclictest24771-21sshd23:31:391
18560991210,1cyclictest0-21swapper/021:28:170
18560991210,1cyclictest0-21swapper/000:10:570
1856099120,1cyclictest0-21swapper/022:06:470
1856099120,1cyclictest0-21swapper/022:06:470
1856099120,11cyclictest10974-21sshd23:30:270
1856099120,11cyclictest10974-21sshd23:30:260
1857199119,1cyclictest1511-21sshd21:55:333
18571991110,0cyclictest16038-21lspci00:06:533
18571991110,0cyclictest0-21swapper/320:50:123
18571991110,0cyclictest0-21swapper/300:32:233
18571991110,0cyclictest0-21swapper/300:04:323
1857199110,10cyclictest0-21swapper/321:20:233
1857099119,1cyclictest17402-21sshd00:20:492
18570991110,0cyclictest900-21lspci00:11:082
18570991110,0cyclictest0-21swapper/223:39:582
1857099110,10cyclictest0-21swapper/200:19:392
1857099110,0cyclictest0-21swapper/200:26:582
18566991111,0cyclictest4562-21kworker/1:121:11:531
18566991111,0cyclictest28633-21kworker/1:122:54:081
18566991111,0cyclictest21560-21kworker/1:120:40:201
18566991110,0cyclictest7054-21kworker/1:220:05:411
18566991110,0cyclictest22168-21kworker/1:200:06:571
18566991110,0cyclictest17247-21kworker/1:220:25:141
18566991110,0cyclictest0-21swapper/123:45:201
18566991110,0cyclictest0-21swapper/121:47:001
1856099119,1cyclictest28557-21sshd23:29:170
18560991110,0cyclictest0-21swapper/023:51:060
18560991110,0cyclictest0-21swapper/022:10:570
1856099110,10cyclictest0-21swapper/000:20:370
1856099110,0cyclictest0-21swapper/021:21:470
264982100,1sleep0101ktimersoftd/000:35:270
1857199109,0cyclictest0-21swapper/322:17:533
1857199109,0cyclictest0-21swapper/321:26:523
1857199108,1cyclictest7464-21lspci00:20:033
1857199107,2cyclictest660-21avahi-daemon00:36:033
1857199100,0cyclictest0-21swapper/322:50:523
1857099109,0cyclictest0-21swapper/223:19:382
1857099109,0cyclictest0-21swapper/222:17:292
1857099109,0cyclictest0-21swapper/221:00:392
1857099109,0cyclictest0-21swapper/220:16:392
1857099109,0cyclictest0-21swapper/219:15:192
1857099100,0cyclictest0-21swapper/223:02:392
1856699108,1cyclictest8468-21grepconf.sh23:44:101
18566991010,0cyclictest18459-21kworker/1:319:15:351
18566991010,0cyclictest1640-21kworker/1:300:15:361
1856099109,0cyclictest0-21swapper/023:14:470
1856099109,0cyclictest0-21swapper/022:49:570
1856099109,0cyclictest0-21swapper/019:50:160
1856099108,1cyclictest11395-21sshd23:49:570
185719997,1cyclictest649-21polkitd22:41:133
185709998,0cyclictest0-21swapper/219:43:392
185709998,0cyclictest0-21swapper/219:10:392
185709997,1cyclictest33-21ksoftirqd/222:28:082
185709990,1cyclictest121rcu_preempt00:01:382
185669998,0cyclictest7054-21kworker/1:220:11:031
185669998,0cyclictest1182-21kworker/1:221:08:341
185609998,0cyclictest0-21swapper/021:32:060
185609998,0cyclictest0-21swapper/000:27:570
185609997,1cyclictest30569-21lspci23:07:160
185609997,1cyclictest1-21systemd00:32:570
185609997,1cyclictest0-21swapper/021:53:070
185609996,2cyclictest660-21avahi-daemon22:15:320
185609992,3cyclictest25404-21crond20:45:000
185609990,5cyclictest20181-21idleruntime-cro22:25:010
185719987,0cyclictest0-21swapper/320:15:233
185719986,1cyclictest12083-21lspci21:36:593
185719986,1cyclictest11147-21lspci23:22:133
185719986,1cyclictest0-21swapper/321:30:433
185719985,2cyclictest660-21avahi-daemon23:55:493
185719985,2cyclictest660-21avahi-daemon23:45:403
185719985,2cyclictest660-21avahi-daemon23:02:593
185719985,2cyclictest660-21avahi-daemon22:59:363
185719985,2cyclictest660-21avahi-daemon22:23:283
185719985,2cyclictest660-21avahi-daemon22:01:493
185719985,2cyclictest660-21avahi-daemon21:40:033
185719985,2cyclictest660-21avahi-daemon21:16:113
185719985,2cyclictest660-21avahi-daemon21:14:123
185719983,4cyclictest674-21dbus-daemon22:10:143
185719980,7cyclictest30487-21sshd23:51:303
185709988,0cyclictest527-40kipmi020:37:142
185709987,0cyclictest0-21swapper/222:01:592
185709986,1cyclictest660-21avahi-daemon22:09:372
185709986,1cyclictest660-21avahi-daemon22:09:362
185709986,1cyclictest33-21ksoftirqd/222:24:352
185709985,2cyclictest660-21avahi-daemon23:45:322
185709985,2cyclictest660-21avahi-daemon23:24:452
185709980,0cyclictest131rcu_sched23:50:352
185669988,0cyclictest241ktimersoftd/121:03:511
185669988,0cyclictest241ktimersoftd/120:56:191
185669988,0cyclictest241ktimersoftd/120:53:281
185669988,0cyclictest241ktimersoftd/119:45:431
185669988,0cyclictest241ktimersoftd/119:40:021
185669988,0cyclictest21560-21kworker/1:120:45:331
185669988,0cyclictest18459-21kworker/1:319:29:171
185609986,1cyclictest9-21ksoftirqd/021:46:040
185609986,1cyclictest6816-21lspci22:01:360
185609986,1cyclictest2442-21lspci00:16:470
185609986,1cyclictest22400-21lspci22:36:090
185609985,2cyclictest660-21avahi-daemon22:33:250
185609985,2cyclictest660-21avahi-daemon00:00:030
185609985,2cyclictest5216-21sshd23:16:090
185719974,2cyclictest660-21avahi-daemon19:20:003
185719974,2cyclictest29690-21sshd00:10:483
185709976,0cyclictest0-21swapper/219:25:192
185709975,1cyclictest660-21avahi-daemon23:55:492
185709975,1cyclictest660-21avahi-daemon23:30:112
185709975,1cyclictest660-21avahi-daemon23:30:112
185709975,1cyclictest33-21ksoftirqd/222:30:492
185709974,2cyclictest660-21avahi-daemon00:31:042
185709974,2cyclictest649-21polkitd21:15:142
185669977,0cyclictest241ktimersoftd/119:36:101
185669977,0cyclictest241ktimersoftd/119:32:001
185669977,0cyclictest21560-21kworker/1:120:36:531
185669975,1cyclictest25-21ksoftirqd/120:20:001
185669975,1cyclictest25-21ksoftirqd/120:00:001
185609975,1cyclictest674-21dbus-daemon23:35:020
185609975,1cyclictest660-21avahi-daemon22:55:180
185609975,1cyclictest660-21avahi-daemon21:12:220
185609975,1cyclictest25514-21lspci22:50:140
185609974,2cyclictest445-21systemd-journal20:04:590
185609974,2cyclictest20174-21sshd23:58:580
185609973,3cyclictest21943-21sshd21:35:060
185719965,0cyclictest0-21swapper/321:07:333
185719964,1cyclictest674-21dbus-daemon20:35:013
185719964,1cyclictest674-21dbus-daemon19:45:003
185719963,2cyclictest1002-21snmpd19:39:063
185709963,2cyclictest1002-21snmpd20:32:282
185669966,0cyclictest17247-21kworker/1:220:31:511
185669966,0cyclictest13176-21kworker/1:020:24:551
185669966,0cyclictest12373-21kworker/1:219:10:321
185669965,0cyclictest0-21swapper/120:00:291
185669965,0cyclictest0-21swapper/119:21:591
185609965,0cyclictest0-21swapper/021:05:160
185609965,0cyclictest0-21swapper/019:42:370
185609963,2cyclictest660-21avahi-daemon19:50:000
185609963,2cyclictest1002-21snmpd20:26:420
185609963,2cyclictest1002-21snmpd19:31:470
185609963,2cyclictest1002-21snmpd19:27:530
185609960,5cyclictest0-21swapper/020:54:270
185609960,5cyclictest0-21swapper/020:16:160
23945250,3sleep30-21swapper/319:20:153
185719953,1cyclictest7801-21cat20:00:133
185719953,1cyclictest699-21gdbus20:05:003
185719953,1cyclictest660-21avahi-daemon19:50:003
185719953,1cyclictest1002-21snmpd21:00:133
185719953,1cyclictest1002-21snmpd20:57:443
185719953,1cyclictest1002-21snmpd20:45:103
185719953,1cyclictest1002-21snmpd20:37:303
185719953,1cyclictest1002-21snmpd20:13:053
185719953,1cyclictest1002-21snmpd19:49:173
185719952,2cyclictest674-21dbus-daemon19:59:553
185719952,2cyclictest674-21dbus-daemon19:25:003
185719952,2cyclictest17952-21cat20:25:153
185719952,2cyclictest1002-21snmpd20:40:313
185719952,2cyclictest1002-21snmpd19:11:173
185719950,1cyclictest15727-21df20:20:123
185709953,1cyclictest649-21polkitd19:34:592
185709953,1cyclictest26136-21cat20:45:142
185709953,1cyclictest23870-21cat19:20:132
185709953,1cyclictest1002-21snmpd21:07:292
185709953,1cyclictest1002-21snmpd20:57:262
185709953,1cyclictest1002-21snmpd20:50:122
185709953,1cyclictest1002-21snmpd20:40:042
185709953,1cyclictest1002-21snmpd20:25:272
185709953,1cyclictest1002-21snmpd20:21:012
185709953,1cyclictest1002-21snmpd20:10:142
185709953,1cyclictest1002-21snmpd20:05:032
185709953,1cyclictest1002-21snmpd20:01:262
185709953,1cyclictest1002-21snmpd19:51:542
185709953,1cyclictest1002-21snmpd19:46:022
185709952,2cyclictest674-21dbus-daemon19:55:002
185709952,2cyclictest1002-21snmpd19:32:082
185609954,0cyclictest0-21swapper/020:34:470
185609953,1cyclictest30208-21cat20:55:130
185609953,1cyclictest21687-21sed19:15:140
185609953,1cyclictest1002-21snmpd21:01:500
185609953,1cyclictest1002-21snmpd20:45:460
185609953,1cyclictest1002-21snmpd20:35:100
185609953,1cyclictest1002-21snmpd20:20:460
185609953,1cyclictest1002-21snmpd19:57:390
185609953,1cyclictest1002-21snmpd19:20:290
185609952,2cyclictest30077-21sort19:35:140
185609950,0cyclictest0-21swapper/020:11:270
185609942,1cyclictest9464-21cut20:05:110
185609942,1cyclictest0-21swapper/019:10:120
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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