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2026-01-09 - 15:55
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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 highest latencies:
System rack2slot0.osadl.org (updated Fri Jan 09, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
257922940,0sleep125791-21bash09:29:201
56232780,0sleep00-21swapper/009:14:520
5052750,0sleep0452-21sshd11:16:200
63192610,0sleep20-21swapper/209:30:482
302642580,0sleep20-21swapper/210:43:232
163892550,1sleep016388-21bash12:17:570
4612540,0sleep30-21swapper/311:19:083
147972530,2sleep32446599cyclictest09:42:083
205132520,1sleep120509-21bash10:10:251
138842520,0sleep00-21swapper/009:55:510
204502510,1sleep0101ktimersoftd/011:09:510
95422500,0sleep30-21swapper/310:30:383
75052500,0sleep10-21swapper/109:41:181
2431525039,6sleep20-21swapper/207:09:392
209542500,0sleep30-21swapper/311:34:353
35652490,0sleep10-21swapper/110:01:391
214082490,0sleep00-21swapper/010:37:080
179282470,0sleep3391rcuc/309:32:063
207652460,0sleep30-21swapper/311:45:243
183292460,0sleep10-21swapper/112:04:291
72912400,1sleep0101ktimersoftd/012:03:310
302742380,0sleep20-21swapper/212:00:002
2420423827,7sleep10-21swapper/107:08:181
164082370,1sleep3710-21NetworkManager12:28:583
213112350,0sleep3391rcuc/310:00:103
2379423024,3sleep30-21swapper/307:05:193
24459992322,0cyclictest29384-21lspci11:48:582
2417822211,7sleep00-21swapper/007:07:570
134462200,1sleep1231rcuc/111:39:251
76222180,0sleep20-21swapper/212:30:522
35942180,0sleep1231rcuc/110:15:301
244412180,0sleep10-21swapper/112:29:401
219912170,0sleep20-21swapper/211:12:432
253792160,0sleep20-21swapper/209:39:512
248132160,0sleep30-21swapper/310:40:113
109982160,0sleep20-21swapper/209:15:352
94372150,0sleep20-21swapper/209:45:022
306412150,0sleep230618-21sshd11:02:282
299412150,0sleep30-21swapper/311:54:283
24459991514,0cyclictest17799-21lspci11:39:482
227092150,1sleep3391rcuc/311:23:453
106142150,0sleep20-21swapper/209:55:282
61612140,0sleep20-21swapper/209:44:432
271322140,0sleep00-21swapper/007:15:010
248992140,0sleep1231rcuc/111:45:461
24459991413,0cyclictest30490-21lspci10:18:282
185702140,0sleep30-21swapper/311:06:553
262362130,0sleep10-21swapper/110:43:011
256072130,0sleep20-21swapper/211:24:002
24459991311,1cyclictest12243-21sshd11:09:092
2445299130,1cyclictest674-21dbus-daemon12:24:141
2445299130,1cyclictest1-21systemd12:16:151
24448991312,0cyclictest0-21swapper/011:37:270
116072130,0sleep30-21swapper/312:14:523
327412120,0sleep30-21swapper/309:37:073
2446599120,1cyclictest17284-21sshd11:25:573
2445999129,1cyclictest33-21ksoftirqd/210:37:462
2445999123,1cyclictest33-21ksoftirqd/211:31:472
2445999120,1cyclictest0-21swapper/212:02:202
2445999120,11cyclictest0-21swapper/212:23:492
24452991210,1cyclictest1073-21nfsd09:37:341
2445299120,1cyclictest624-13audispd09:32:041
2445299120,11cyclictest0-21swapper/111:13:151
2445299120,11cyclictest0-21swapper/110:36:541
24448991210,1cyclictest21783-21sshd11:53:470
2444899120,11cyclictest15684-21sshd11:14:570
2444899120,11cyclictest0-21swapper/011:26:170
201332120,0sleep00-21swapper/010:34:200
192242120,5sleep119228-21bash09:11:341
132972120,0sleep00-21swapper/011:33:550
250562110,0sleep10-21swapper/112:32:231
2446599119,1cyclictest26142-21sshd12:37:583
2446599119,1cyclictest0-21swapper/312:09:573
24465991110,0cyclictest0-21swapper/311:10:583
24465991110,0cyclictest0-21swapper/310:51:073
2446599110,10cyclictest0-21swapper/312:33:573
2446599110,10cyclictest0-21swapper/310:10:473
2446599110,10cyclictest0-21swapper/309:17:273
2445999119,1cyclictest23248-21sshd10:31:492
2445999119,1cyclictest1936-21lspci10:57:192
2445999116,1cyclictest33-21ksoftirqd/212:05:462
2445999113,1cyclictest33-21ksoftirqd/211:28:352
2445999112,2cyclictest33-21ksoftirqd/210:50:362
2445999112,1cyclictest33-21ksoftirqd/210:02:142
24459991110,0cyclictest23795-21lspci10:45:292
24459991110,0cyclictest0-21swapper/212:19:502
24459991110,0cyclictest0-21swapper/211:41:392
24459991110,0cyclictest0-21swapper/210:27:282
24459991110,0cyclictest0-21swapper/209:12:592
2445999110,10cyclictest0-21swapper/211:55:002
2445999110,10cyclictest0-21swapper/209:53:192
2445299119,1cyclictest19475-21grep11:53:351
24452991110,0cyclictest20788-21sshd11:04:241
24452991110,0cyclictest0-21swapper/109:53:451
2445299110,10cyclictest0-21swapper/112:36:151
2445299110,10cyclictest0-21swapper/112:06:241
2445299110,10cyclictest0-21swapper/109:55:351
2445299110,10cyclictest0-21swapper/109:45:141
2445299110,0cyclictest0-21swapper/111:20:351
2444899119,1cyclictest14526-21tty10:25:360
24448991110,0cyclictest10768-21lspci12:36:370
24448991110,0cyclictest0-21swapper/012:32:270
24448991110,0cyclictest0-21swapper/010:51:260
2444899110,10cyclictest0-21swapper/010:12:560
2444899110,10cyclictest0-21swapper/009:44:470
23812110,2sleep02444899cyclictest12:11:150
138912110,0sleep3401ktimersoftd/309:45:233
308222100,0sleep00-21swapper/009:47:170
2446599109,0cyclictest0-21swapper/310:36:273
2446599109,0cyclictest0-21swapper/309:05:173
2446599108,1cyclictest27500-21sshd10:21:173
2446599108,1cyclictest25314-21cp11:56:483
2446599108,1cyclictest0-21swapper/312:04:083
2446599108,1cyclictest0-21swapper/311:37:083
2445999109,0cyclictest7386-21lspci09:26:032
2445999109,0cyclictest0-21swapper/212:35:502
2445999109,0cyclictest0-21swapper/209:20:382
2445999108,1cyclictest33-21ksoftirqd/210:23:142
2445999102,3cyclictest33-21ksoftirqd/212:25:432
2445999101,1cyclictest33-21ksoftirqd/211:15:122
24459991010,0cyclictest527-40kipmi008:44:052
2445999100,0cyclictest0-21swapper/210:08:392
2445299109,0cyclictest0-21swapper/112:12:151
2445299109,0cyclictest0-21swapper/110:57:451
2445299108,1cyclictest0-21swapper/110:30:051
2445299100,0cyclictest0-21swapper/110:46:351
2445299100,0cyclictest0-21swapper/108:05:551
2444899109,0cyclictest12973-21lspci11:22:550
2444899109,0cyclictest0-21swapper/012:08:270
2444899109,0cyclictest0-21swapper/010:19:260
2444899109,0cyclictest0-21swapper/009:20:360
2444899108,1cyclictest19253-21cp11:04:170
2444899101,1cyclictest131rcu_sched11:46:330
2444899101,1cyclictest131rcu_sched10:59:370
2444899100,0cyclictest0-21swapper/010:02:460
24835290,0sleep10-21swapper/110:51:021
244659998,0cyclictest0-21swapper/312:23:483
244659998,0cyclictest0-21swapper/311:00:373
244659998,0cyclictest0-21swapper/309:21:173
244659998,0cyclictest0-21swapper/307:50:173
244659996,2cyclictest674-21dbus-daemon10:17:393
244659996,2cyclictest660-21avahi-daemon12:16:153
244659996,2cyclictest660-21avahi-daemon10:57:513
244599991,2cyclictest131rcu_sched10:10:042
244599990,8cyclictest8939-21kworker/2:412:13:132
244529998,0cyclictest0-21swapper/107:27:051
244529997,1cyclictest21004-21lspci10:23:321
244529997,1cyclictest1-21systemd10:25:441
244489998,0cyclictest25611-21lspci09:29:180
244489998,0cyclictest0-21swapper/011:40:260
244489997,1cyclictest9-21ksoftirqd/011:55:370
244489997,1cyclictest17897-21lspci12:26:170
244489991,0cyclictest131rcu_sched09:54:400
27641280,1sleep327637-21lspci11:40:303
26594280,0sleep30-21swapper/309:53:493
244659987,0cyclictest0-21swapper/309:10:083
244659985,2cyclictest660-21avahi-daemon09:56:583
244659985,2cyclictest660-21avahi-daemon09:28:033
244529987,0cyclictest0-21swapper/111:09:341
244529987,0cyclictest0-21swapper/110:06:551
244529987,0cyclictest0-21swapper/107:23:341
244529986,1cyclictest31693-21lspci11:27:141
244529985,2cyclictest31634-21sshd11:16:141
244529984,3cyclictest699-21gdbus11:55:401
244489986,1cyclictest9-21ksoftirqd/010:40:140
244489986,1cyclictest9-21ksoftirqd/010:23:530
244489986,1cyclictest9-21ksoftirqd/010:08:040
244489986,1cyclictest1-21systemd12:22:160
244489985,2cyclictest660-21avahi-daemon09:32:230
244489980,1cyclictest1-21systemd09:35:060
24934270,0sleep00-21swapper/007:10:130
24640270,1sleep224840-21expr07:10:122
244659975,1cyclictest660-21avahi-daemon10:08:023
244659975,1cyclictest23554-21sshd10:45:273
244659974,2cyclictest642-21systemd-logind10:26:103
244599975,1cyclictest33-21ksoftirqd/208:40:002
244599975,1cyclictest33-21ksoftirqd/208:15:012
244599975,1cyclictest33-21ksoftirqd/208:15:012
244529976,0cyclictest0-21swapper/109:22:041
244529974,2cyclictest660-21avahi-daemon11:40:121
244529974,2cyclictest660-21avahi-daemon09:17:551
244529974,1cyclictest2492-21sshd11:30:131
244489976,0cyclictest0-21swapper/009:16:270
244489975,1cyclictest9-21ksoftirqd/010:46:360
244659965,0cyclictest0-21swapper/308:10:183
244659965,0cyclictest0-21swapper/308:10:183
244659963,2cyclictest1002-21snmpd08:55:303
244659963,2cyclictest1002-21snmpd08:45:143
244659963,2cyclictest1002-21snmpd08:22:023
244659963,2cyclictest1002-21snmpd07:25:383
244659960,5cyclictest0-21swapper/308:15:273
244659960,5cyclictest0-21swapper/308:09:573
244599964,1cyclictest33-21ksoftirqd/209:09:592
244599963,2cyclictest1002-21snmpd08:31:372
244599963,2cyclictest1002-21snmpd07:41:002
244599960,5cyclictest0-21swapper/208:55:582
244529965,0cyclictest0-21swapper/108:35:051
244529965,0cyclictest0-21swapper/107:45:341
244529964,1cyclictest621-17auditd09:09:591
244489965,0cyclictest0-21swapper/008:25:570
244489963,2cyclictest1002-21snmpd07:53:430
244659953,1cyclictest13680-21cat08:00:133
244659953,1cyclictest1002-21snmpd09:00:063
244659953,1cyclictest1002-21snmpd08:35:143
244659953,1cyclictest1002-21snmpd08:30:233
244659953,1cyclictest1002-21snmpd07:49:253
244659953,1cyclictest1002-21snmpd07:41:153
244659953,1cyclictest1002-21snmpd07:37:543
244659953,1cyclictest1002-21snmpd07:32:443
244659953,1cyclictest1002-21snmpd07:20:483
244659953,1cyclictest0-21swapper/307:15:153
244659952,2cyclictest2066-21cat08:50:133
244659950,4cyclictest25011-21sed07:10:133
244659950,4cyclictest0-21swapper/308:26:173
244659950,0cyclictest0-21swapper/308:40:373
244659950,0cyclictest0-21swapper/307:57:573
244599954,0cyclictest0-21swapper/207:36:592
244599953,1cyclictest660-21avahi-daemon08:05:002
244599953,1cyclictest33-21ksoftirqd/207:15:002
244599953,1cyclictest31993-21mii-tool08:45:132
244599953,1cyclictest31790-21cat07:25:142
244599953,1cyclictest1705-21sendmail07:55:212
244599953,1cyclictest1002-21snmpd08:53:002
244599953,1cyclictest1002-21snmpd08:28:462
244599953,1cyclictest1002-21snmpd08:24:412
244599953,1cyclictest1002-21snmpd08:04:042
244599953,1cyclictest1002-21snmpd07:30:112
244599953,1cyclictest1002-21snmpd07:20:272
244599952,2cyclictest10080-21grep07:50:172
244599952,2cyclictest1002-21snmpd07:47:042
244599950,4cyclictest0-21swapper/209:04:192
244599950,4cyclictest0-21swapper/208:19:482
244529953,1cyclictest648-21kworker/1:007:35:141
244529953,1cyclictest25869-21cat08:30:121
244529953,1cyclictest19569-21df08:15:111
244529953,1cyclictest1705-21sendmail08:50:021
244529953,1cyclictest11625-21if_eno207:55:141
244529953,1cyclictest1002-21snmpd09:01:181
244529953,1cyclictest1002-21snmpd08:59:171
244529953,1cyclictest1002-21snmpd08:40:161
244529953,1cyclictest1002-21snmpd08:25:591
244529953,1cyclictest1002-21snmpd08:22:171
244529953,1cyclictest1002-21snmpd07:50:551
244529953,1cyclictest1002-21snmpd07:30:351
244529953,1cyclictest1002-21snmpd07:18:591
244529952,2cyclictest674-21dbus-daemon07:40:001
244529952,2cyclictest0-21swapper/108:47:171
244529950,1cyclictest18139-21ntp_states08:10:151
244529950,1cyclictest18139-21ntp_states08:10:141
244529950,1cyclictest14060-21ntp_states08:00:161
244529950,0cyclictest0-21swapper/107:13:151
244489954,0cyclictest0-21swapper/008:41:160
244489953,1cyclictest25889-21mii-tool08:30:120
244489953,1cyclictest15724-21cat08:05:120
244489953,1cyclictest1082-21lldpd08:14:360
244489953,1cyclictest1082-21lldpd08:14:350
244489953,1cyclictest1002-21snmpd08:55:410
244489953,1cyclictest1002-21snmpd08:50:210
244489953,1cyclictest1002-21snmpd08:47:130
244489953,1cyclictest1002-21snmpd08:38:230
244489953,1cyclictest1002-21snmpd08:23:130
244489953,1cyclictest1002-21snmpd07:56:150
244489953,1cyclictest1002-21snmpd07:47:390
244489953,1cyclictest1002-21snmpd07:40:210
244489953,1cyclictest1002-21snmpd07:35:270
244489953,1cyclictest1002-21snmpd07:30:260
244489953,1cyclictest1002-21snmpd07:28:570
244489952,2cyclictest1002-21snmpd08:17:040
244489950,4cyclictest0-21swapper/007:24:260
244489950,0cyclictest0-21swapper/009:00:070
244489942,1cyclictest658-21ipmievd09:05:060
244489942,1cyclictest14094-21pmu-power08:00:160
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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