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2026-04-08 - 17:31
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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 Apr 08, 2026 12:43:49)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1058221070,0sleep30-21swapper/311:37:113
2737721030,2sleep32849299cyclictest10:16:233
247212950,0sleep30-21swapper/310:07:433
137682920,2sleep12848799cyclictest09:13:531
65252780,2sleep12848799cyclictest10:46:061
240422760,0sleep30-21swapper/309:39:463
238362720,1sleep223837-21bash11:58:522
76462570,0sleep07640-21sshd11:39:590
216912550,1sleep121690-21kworker/u8:010:35:531
177172540,0sleep00-21swapper/009:33:440
32722530,0sleep10-21swapper/111:04:291
157472530,0sleep10-21swapper/111:37:411
116802530,2sleep02848099cyclictest10:55:220
83612510,0sleep10-21swapper/111:33:561
184042510,0sleep00-21swapper/012:01:100
66732500,0sleep00-21swapper/012:14:240
30252500,0sleep20-21swapper/211:01:012
146012500,0sleep30-21swapper/312:23:323
272042490,1sleep0101ktimersoftd/010:13:370
143542490,0sleep00-21swapper/011:27:590
71152480,0sleep10-21swapper/112:03:041
24522480,0sleep30-21swapper/310:00:093
243812480,0sleep00-21swapper/011:03:200
312392470,0sleep10-21swapper/111:11:221
80482460,0sleep10-21swapper/109:49:311
247922460,2sleep32849299cyclictest12:30:053
218442460,0sleep10-21swapper/112:32:371
12902460,0sleep01222-21sshd09:24:090
80232450,0sleep10-21swapper/109:32:491
28992430,0sleep10-21swapper/110:22:511
217422430,2sleep22849199cyclictest11:32:002
103832390,0sleep10-21swapper/111:40:131
2634523529,3sleep00-21swapper/007:05:000
58682340,0sleep32849299cyclictest12:39:433
58682340,0sleep32849299cyclictest12:39:423
282152298,7sleep20-21swapper/207:08:032
282212288,7sleep30-21swapper/307:08:083
2658322110,6sleep10-21swapper/107:05:091
94952190,0sleep30-21swapper/309:17:163
94952190,0sleep30-21swapper/309:17:153
146212180,1sleep0674-21dbus-daemon10:06:470
299942170,0sleep20-21swapper/209:37:292
213682170,0sleep10-21swapper/109:42:171
28487991614,1cyclictest29730-21kworker/1:111:25:491
28487991614,1cyclictest1700-21kworker/1:310:55:061
46702150,0sleep14668-21bash11:19:151
323752150,0sleep20-21swapper/207:15:182
2849199150,13cyclictest11892-21sshd09:41:282
28487991514,0cyclictest18508-21lspci11:09:421
28487991514,0cyclictest11366-21kworker/1:111:52:191
28487991513,1cyclictest1700-21kworker/1:310:41:141
223362150,0sleep30-21swapper/312:29:543
169172150,0sleep20-21swapper/210:24:082
83512140,0sleep2311rcuc/211:23:352
300362140,0sleep20-21swapper/210:05:182
28487991413,0cyclictest7025-21kworker/1:109:50:481
28487991413,0cyclictest7025-21kworker/1:109:00:131
28487991413,0cyclictest15282-21lspci12:17:581
28487991412,1cyclictest17982-21kworker/1:110:14:551
254872140,0sleep30-21swapper/310:39:103
178562140,1sleep20-21swapper/211:52:362
106852140,0sleep20-21swapper/210:37:502
301762130,0sleep00-21swapper/010:19:330
28492991311,1cyclictest29979-21gdbus12:00:323
2849199134,1cyclictest33-21ksoftirqd/212:05:162
2849199130,12cyclictest7878-21bash10:55:072
28487991312,1cyclictest11027-21kworker/1:210:27:021
28487991312,0cyclictest29124-21kworker/1:012:12:561
28487991312,0cyclictest27261-21kworker/1:311:58:541
28487991312,0cyclictest26530-21kworker/1:309:19:271
28487991312,0cyclictest26530-21kworker/1:309:19:261
28487991311,1cyclictest8872-21kworker/1:210:02:461
28487991310,1cyclictest29124-21kworker/1:012:07:451
28480991310,2cyclictest710-21NetworkManager11:42:130
162932130,0sleep00-21swapper/012:35:000
156882130,0sleep30-21swapper/311:40:383
128632130,0sleep012860-21lspci12:06:240
318502120,0sleep20-21swapper/209:57:052
286272120,1sleep3401ktimersoftd/311:22:133
28492991210,1cyclictest23035-21systemd-cgroups09:11:023
28492991210,1cyclictest0-21swapper/309:41:323
2849299120,1cyclictest25238-21bash10:10:313
2849299120,11cyclictest623-17sedispatch12:12:413
2849299120,0cyclictest0-21swapper/310:31:323
2849199123,3cyclictest33-21ksoftirqd/210:43:302
2849199120,1cyclictest27521-21lspci10:45:082
2849199120,1cyclictest0-21swapper/212:00:482
2849199120,11cyclictest698-21gdbus11:40:172
28487991212,0cyclictest8429-21kworker/1:110:30:501
28487991212,0cyclictest16432-21kworker/1:010:18:321
28487991211,0cyclictest7025-21kworker/1:109:26:231
28487991211,0cyclictest7025-21kworker/1:109:26:221
28487991210,1cyclictest29124-21kworker/1:012:23:101
28480991210,1cyclictest1002-21snmpd11:16:430
28480991210,1cyclictest0-21swapper/010:02:530
2848099120,11cyclictest5385-21lspci10:20:130
2848099120,11cyclictest2921-21sshd10:31:220
2849299119,1cyclictest660-21avahi-daemon11:31:413
2849299119,1cyclictest11968-21sshd11:27:423
28492991110,0cyclictest0-21swapper/310:25:513
2849299110,10cyclictest0-21swapper/311:12:523
2849299110,10cyclictest0-21swapper/310:20:223
2849199115,3cyclictest33-21ksoftirqd/211:05:062
2849199114,2cyclictest33-21ksoftirqd/209:22:292
2849199111,3cyclictest33-21ksoftirqd/210:17:232
28491991110,0cyclictest12607-21sshd10:00:572
2849199110,0cyclictest0-21swapper/212:12:572
2849199110,0cyclictest0-21swapper/209:29:372
2849199110,0cyclictest0-21swapper/209:29:372
28487991111,0cyclictest7025-21kworker/1:109:23:041
28487991110,0cyclictest7025-21kworker/1:109:36:361
28487991110,0cyclictest10031-21lspci11:46:041
2848799110,10cyclictest0-21swapper/108:25:181
2848799110,0cyclictest660-21avahi-daemon10:07:471
2848799110,0cyclictest0-21swapper/108:20:171
2848099119,1cyclictest0-21swapper/010:39:030
2848099113,4cyclictest4799-21systemd-cgroups07:30:010
2848099110,10cyclictest0-21swapper/012:35:430
2848099110,10cyclictest0-21swapper/012:35:420
2848099110,10cyclictest0-21swapper/007:35:130
2848099110,0cyclictest18131-21sshd11:20:420
2849299109,0cyclictest0-21swapper/311:56:113
2849299109,0cyclictest0-21swapper/311:06:013
2849299109,0cyclictest0-21swapper/311:01:123
2849299107,2cyclictest622-13audispd10:48:023
2849199109,0cyclictest0-21swapper/209:33:282
2849199108,1cyclictest33-21ksoftirqd/209:51:032
2849199107,1cyclictest33-21ksoftirqd/210:26:472
2849199102,1cyclictest33-21ksoftirqd/211:47:222
2849199102,1cyclictest33-21ksoftirqd/210:10:332
2849199101,1cyclictest33-21ksoftirqd/211:25:062
2849199100,1cyclictest131rcu_sched12:33:582
2849199100,1cyclictest1-21systemd12:24:012
2849199100,0cyclictest0-21swapper/211:35:582
2849199100,0cyclictest0-21swapper/209:48:182
2848799109,1cyclictest11027-21kworker/1:210:52:531
2848799109,0cyclictest29124-21kworker/1:012:26:481
2848799108,1cyclictest19052-21kworker/1:008:13:451
2848799101,1cyclictest25-21ksoftirqd/112:35:301
2848799101,1cyclictest25-21ksoftirqd/112:35:291
28487991010,0cyclictest241ktimersoftd/107:43:221
2848799100,1cyclictest131rcu_sched09:55:151
2848799100,0cyclictest0-21swapper/109:05:181
2848099109,0cyclictest0-21swapper/012:16:230
2848099109,0cyclictest0-21swapper/011:54:030
2848099109,0cyclictest0-21swapper/011:49:420
2848099109,0cyclictest0-21swapper/009:57:430
2848099109,0cyclictest0-21swapper/009:42:320
2848099109,0cyclictest0-21swapper/009:14:120
2848099109,0cyclictest0-21swapper/008:05:120
2848099108,1cyclictest30469-21lspci11:14:420
2848099100,0cyclictest0-21swapper/012:26:020
2848099100,0cyclictest0-21swapper/009:39:520
284929998,0cyclictest0-21swapper/310:59:123
284929997,1cyclictest26462-21lspci09:53:513
284929997,1cyclictest14204-21lspci09:29:413
284929997,1cyclictest14204-21lspci09:29:413
284929997,1cyclictest0-21swapper/309:55:523
284929990,0cyclictest0-21swapper/307:47:513
284919998,0cyclictest0-21swapper/209:14:372
284919997,1cyclictest33-21ksoftirqd/210:31:042
284919994,1cyclictest33-21ksoftirqd/210:50:132
284919993,1cyclictest131rcu_sched12:37:182
284919993,1cyclictest131rcu_sched12:37:172
284919991,1cyclictest131rcu_sched12:25:222
284919991,1cyclictest131rcu_sched12:16:062
284879999,0cyclictest241ktimersoftd/107:34:501
284879998,0cyclictest0-21swapper/108:58:471
284879998,0cyclictest0-21swapper/107:27:371
284879997,1cyclictest25-21ksoftirqd/111:20:301
284809998,0cyclictest0-21swapper/011:32:420
284809998,0cyclictest0-21swapper/007:55:120
284929987,0cyclictest0-21swapper/311:51:523
284929986,1cyclictest660-21avahi-daemon11:16:243
284929986,1cyclictest317-21lspci12:08:093
284929986,1cyclictest13713-21sshd12:15:023
284929985,2cyclictest660-21avahi-daemon10:41:313
284929985,2cyclictest660-21avahi-daemon09:23:103
284929985,2cyclictest10012-21sshd10:52:173
284929984,3cyclictest699-21gdbus11:46:153
284919987,0cyclictest0-21swapper/208:52:582
284919986,1cyclictest33-21ksoftirqd/211:15:482
284919986,1cyclictest33-21ksoftirqd/209:15:382
284919986,1cyclictest33-21ksoftirqd/209:15:372
284919980,1cyclictest33-21ksoftirqd/211:10:372
284879985,2cyclictest25-21ksoftirqd/108:40:001
284809987,0cyclictest18242-21sshd11:58:220
284809987,0cyclictest0-21swapper/008:27:530
284809986,1cyclictest9-21ksoftirqd/010:46:130
284809986,1cyclictest19216-21lspci10:44:220
284809985,2cyclictest660-21avahi-daemon11:08:010
284809985,2cyclictest660-21avahi-daemon10:29:410
284929975,1cyclictest660-21avahi-daemon09:45:133
284929973,3cyclictest660-21avahi-daemon09:33:133
284879976,0cyclictest0-21swapper/108:09:571
284879975,1cyclictest25-21ksoftirqd/108:00:001
284809976,1cyclictest10035-21lspci12:20:170
284809975,1cyclictest660-21avahi-daemon09:45:510
284809975,1cyclictest18571-21lspci09:18:240
284809975,1cyclictest18571-21lspci09:18:240
284809974,2cyclictest699-21gdbus09:25:190
284809974,2cyclictest699-21gdbus09:25:180
284809974,2cyclictest660-21avahi-daemon10:50:200
284809974,2cyclictest660-21avahi-daemon09:50:160
27781270,0sleep20-21swapper/208:25:142
284929965,0cyclictest0-21swapper/308:10:213
284929965,0cyclictest0-21swapper/308:05:303
284929963,2cyclictest1002-21snmpd08:43:153
284929963,2cyclictest1002-21snmpd08:32:443
284929963,2cyclictest1002-21snmpd07:37:333
284929963,2cyclictest1002-21snmpd07:10:573
284919966,0cyclictest527-40kipmi009:05:412
284919966,0cyclictest527-40kipmi007:55:052
284919964,1cyclictest33-21ksoftirqd/207:15:012
284919964,1cyclictest1002-21snmpd08:58:302
284919963,2cyclictest1002-21snmpd08:04:592
284919960,5cyclictest0-21swapper/208:05:372
284879965,0cyclictest28422-21kworker/1:207:20:001
284879965,0cyclictest0-21swapper/108:00:381
284879965,0cyclictest0-21swapper/107:10:481
284879964,1cyclictest25-21ksoftirqd/107:50:011
284879963,2cyclictest1002-21snmpd07:22:011
284879960,5cyclictest8869-21kworker/1:307:51:431
284809965,0cyclictest0-21swapper/008:21:420
284809964,1cyclictest22737-21sshd08:10:440
284809963,2cyclictest1002-21snmpd08:43:040
284809963,2cyclictest1002-21snmpd08:02:230
284809963,2cyclictest1002-21snmpd07:41:580
284809963,2cyclictest1002-21snmpd07:16:150
284809963,1cyclictest874-21crond08:39:590
284929953,1cyclictest17690-21mii-tool08:00:123
284929953,1cyclictest1705-21sendmail07:50:353
284929953,1cyclictest15670-21cat07:55:133
284929953,1cyclictest1002-21snmpd09:00:193
284929953,1cyclictest1002-21snmpd08:59:453
284929953,1cyclictest1002-21snmpd08:50:043
284929953,1cyclictest1002-21snmpd08:45:043
284929953,1cyclictest1002-21snmpd08:35:333
284929953,1cyclictest1002-21snmpd08:28:593
284929953,1cyclictest1002-21snmpd08:20:453
284929953,1cyclictest1002-21snmpd07:34:583
284929953,1cyclictest1002-21snmpd07:27:153
284929953,1cyclictest1002-21snmpd07:20:103
284929953,1cyclictest1002-21snmpd07:16:303
284929952,2cyclictest11456-21cut09:05:113
284929952,2cyclictest1002-21snmpd07:40:133
284919954,0cyclictest0-21swapper/207:34:582
284919953,1cyclictest9419-21grep09:00:122
284919953,1cyclictest660-21avahi-daemon08:20:002
284919953,1cyclictest31772-21fw_packets08:35:132
284919953,1cyclictest29898-21cat08:30:122
284919953,1cyclictest2681-21seq07:24:262
284919953,1cyclictest13600-21cat07:50:122
284919953,1cyclictest1002-21snmpd08:45:002
284919953,1cyclictest1002-21snmpd08:40:122
284919953,1cyclictest1002-21snmpd07:41:372
284919953,1cyclictest1002-21snmpd07:37:222
284919953,1cyclictest1002-21snmpd07:25:212
284919952,2cyclictest1002-21snmpd08:15:562
284919952,2cyclictest1002-21snmpd08:11:332
284919952,2cyclictest1002-21snmpd07:47:592
284879955,0cyclictest241ktimersoftd/108:16:501
284879954,0cyclictest28422-21kworker/1:207:35:171
284879953,2cyclictest864-21kworker/1:008:52:171
284879953,1cyclictest1002-21snmpd08:46:181
284879953,1cyclictest1002-21snmpd08:40:401
284879953,1cyclictest1002-21snmpd08:31:171
284809953,1cyclictest699-21gdbus09:09:560
284809953,1cyclictest660-21avahi-daemon09:00:000
284809953,1cyclictest3689-21cat08:45:120
284809953,1cyclictest29706-21df08:30:110
284809953,1cyclictest1002-21snmpd08:16:210
284809953,1cyclictest1002-21snmpd07:53:080
284809953,1cyclictest1002-21snmpd07:45:010
284809953,1cyclictest1002-21snmpd07:31:300
284809950,4cyclictest0-21swapper/008:54:430
284809950,0cyclictest0-21swapper/007:10:230
23848250,0sleep30-21swapper/308:15:143
284809942,1cyclictest1002-21snmpd07:20:040
284809942,1cyclictest0-21swapper/008:55:140
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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