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2025-12-17 - 08:44
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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 rack3slot0.osadl.org (updated Wed Dec 17, 2025 00:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
260062670,0sleep40-21swapper/421:38:274
260062670,0sleep40-21swapper/421:38:274
326052490,0sleep032596-21sshd21:26:140
187722490,0sleep50-21swapper/523:44:255
149082470,0sleep60-21swapper/623:09:596
239582440,0sleep70-21swapper/723:05:037
216082440,0sleep60-21swapper/600:18:386
1174124430,10sleep40-21swapper/419:08:464
284132430,1sleep31-21systemd23:19:333
152052430,0sleep40-21swapper/423:36:404
1179724129,9sleep20-21swapper/219:09:322
1152224028,8sleep60-21swapper/619:05:446
1151424027,9sleep70-21swapper/719:05:377
897023926,8sleep30-21swapper/319:04:533
67652390,0sleep20-21swapper/223:08:112
1174923927,8sleep10-21swapper/119:08:511
1146423926,8sleep00-21swapper/019:05:140
1164723827,8sleep50-21swapper/519:07:275
11957992216,4cyclictest49-21ksoftirqd/422:40:494
11957992113,5cyclictest49-21ksoftirqd/400:01:014
11957992112,2cyclictest49-21ksoftirqd/423:08:584
11957991914,3cyclictest49-21ksoftirqd/400:24:384
1193199190,2cyclictest7263-21systemd23:08:180
1193199190,1cyclictest17986-21sshd21:16:350
1193199184,6cyclictest30114-21sshd22:05:460
1193199180,1cyclictest686-21dbus-daemon23:22:410
247562170,1sleep2492-21systemd-journal00:39:402
11963991714,2cyclictest25356-21systemd22:51:475
11963991711,3cyclictest57-21ksoftirqd/522:29:395
1195799179,1cyclictest49-21ksoftirqd/423:41:534
11957991715,1cyclictest49-21ksoftirqd/423:25:254
11957991715,1cyclictest49-21ksoftirqd/421:22:304
11957991714,2cyclictest49-21ksoftirqd/400:27:194
11957991713,1cyclictest49-21ksoftirqd/421:15:234
11957991712,4cyclictest49-21ksoftirqd/400:30:404
11957991712,3cyclictest49-21ksoftirqd/423:01:584
1193199179,4cyclictest0-21swapper/023:45:090
1193199174,10cyclictest8570-21kill23:01:420
1193199170,2cyclictest3827-21kill22:34:090
1193199170,1cyclictest686-21dbus-daemon23:12:230
11963991614,1cyclictest57-21ksoftirqd/522:15:575
11963991613,1cyclictest57-21ksoftirqd/523:34:095
11957991615,1cyclictest49-21ksoftirqd/422:31:124
11957991615,1cyclictest11547-21kworker/4:422:07:424
11957991614,1cyclictest49-21ksoftirqd/423:34:094
11957991614,1cyclictest49-21ksoftirqd/422:39:484
11957991611,3cyclictest49-21ksoftirqd/423:19:114
11957991611,3cyclictest49-21ksoftirqd/422:23:124
1195799161,1cyclictest49-21ksoftirqd/423:46:454
1195799161,1cyclictest49-21ksoftirqd/421:50:514
1193199160,2cyclictest8147-21sshd22:35:030
1193199160,2cyclictest492-21systemd-journal23:44:210
1193199160,2cyclictest16995-21systemd21:43:150
1193199160,2cyclictest1-21systemd23:33:450
1193199160,1cyclictest9614-21sshd23:35:220
1193199160,1cyclictest0-21swapper/021:33:280
1193199160,1cyclictest0-21swapper/021:22:530
1196399159,3cyclictest57-21ksoftirqd/500:25:395
11963991513,1cyclictest57-21ksoftirqd/500:39:515
11963991513,1cyclictest1-21systemd22:56:055
11963991512,3cyclictest57-21ksoftirqd/522:38:145
1196399150,15cyclictest11588-21kworker/u16:119:24:515
11957991515,0cyclictest20054-21kworker/4:321:33:024
11957991514,1cyclictest49-21ksoftirqd/422:57:574
11957991513,1cyclictest49-21ksoftirqd/423:20:064
11957991513,1cyclictest49-21ksoftirqd/423:10:024
11957991513,1cyclictest49-21ksoftirqd/422:25:514
11957991513,1cyclictest49-21ksoftirqd/421:55:124
11957991513,1cyclictest49-21ksoftirqd/421:26:254
11957991513,1cyclictest49-21ksoftirqd/400:08:034
11957991511,3cyclictest49-21ksoftirqd/422:14:414
1195799150,2cyclictest131rcu_sched22:16:414
1195799150,1cyclictest131rcu_sched21:42:104
1194299159,3cyclictest33-21ksoftirqd/222:48:122
1193199150,2cyclictest2676-21systemd21:46:500
1193199150,2cyclictest25219-21sd-pam22:58:390
1193199150,2cyclictest1-21systemd22:40:200
1193199150,1cyclictest1-21systemd21:10:530
1193199150,1cyclictest1-21systemd00:18:000
11974991412,1cyclictest1-21systemd22:39:117
1196399145,3cyclictest57-21ksoftirqd/521:38:415
1196399145,3cyclictest57-21ksoftirqd/521:38:415
11963991413,1cyclictest57-21ksoftirqd/521:34:095
11963991412,1cyclictest57-21ksoftirqd/523:50:115
11963991412,1cyclictest57-21ksoftirqd/523:19:095
11963991412,1cyclictest57-21ksoftirqd/523:05:205
11963991412,1cyclictest57-21ksoftirqd/523:00:345
11963991411,2cyclictest57-21ksoftirqd/521:10:055
11963991411,1cyclictest57-21ksoftirqd/522:11:055
11963991411,1cyclictest57-21ksoftirqd/500:10:585
11957991412,1cyclictest49-21ksoftirqd/421:09:534
11957991412,1cyclictest49-21ksoftirqd/400:10:024
1195799140,1cyclictest131rcu_sched23:54:304
11942991411,2cyclictest33-21ksoftirqd/223:52:342
1193199140,2cyclictest6001-21sd-pam23:28:110
1193199140,1cyclictest1-21systemd23:16:470
1193199140,1cyclictest0-21swapper/021:35:150
1193199140,1cyclictest0-21swapper/021:35:150
320902130,0sleep70-21swapper/700:34:257
11970991311,1cyclictest65-21ksoftirqd/621:17:286
1196399139,3cyclictest57-21ksoftirqd/522:19:565
1196399138,3cyclictest57-21ksoftirqd/521:18:195
11963991312,1cyclictest57-21ksoftirqd/521:42:255
11963991312,1cyclictest57-21ksoftirqd/500:18:075
11963991311,1cyclictest57-21ksoftirqd/523:35:105
11963991311,1cyclictest57-21ksoftirqd/523:27:345
11963991311,1cyclictest57-21ksoftirqd/523:10:125
11963991311,1cyclictest57-21ksoftirqd/522:39:535
11963991311,1cyclictest57-21ksoftirqd/500:34:105
11963991311,1cyclictest57-21ksoftirqd/500:05:085
11963991311,1cyclictest57-21ksoftirqd/500:01:485
11963991310,2cyclictest15568-21systemd23:56:595
1195799139,1cyclictest49-21ksoftirqd/400:15:174
11957991312,1cyclictest49-21ksoftirqd/422:03:524
11957991312,1cyclictest49-21ksoftirqd/421:47:164
11957991312,1cyclictest49-21ksoftirqd/419:54:514
11957991311,1cyclictest49-21ksoftirqd/422:45:054
11949991311,1cyclictest41-21ksoftirqd/323:36:513
11942991311,1cyclictest1-21systemd23:21:572
11936991310,3cyclictest23823-21systemd00:32:301
1193199131,2cyclictest885-21polkitd21:59:010
1193199130,2cyclictest23616-21systemd00:39:250
1193199130,1cyclictest1-21systemd00:04:320
115592130,0sleep411557-21sshd23:56:024
202462120,0sleep720242-21sshd22:30:287
1197499126,5cyclictest686-21dbus-daemon21:46:597
11974991210,2cyclictest1-21systemd00:12:087
1197099122,4cyclictest16774-21systemd-cgroups21:09:586
1196399129,3cyclictest57-21ksoftirqd/521:59:595
1196399128,3cyclictest57-21ksoftirqd/522:47:365
1196399127,3cyclictest57-21ksoftirqd/522:32:475
11963991211,1cyclictest57-21ksoftirqd/523:46:305
11963991211,1cyclictest57-21ksoftirqd/521:58:115
11963991210,1cyclictest892-21systemd21:20:015
11963991210,1cyclictest57-21ksoftirqd/523:20:065
11963991210,1cyclictest57-21ksoftirqd/522:05:415
11963991210,1cyclictest57-21ksoftirqd/521:51:255
11963991210,1cyclictest30847-21systemd00:20:135
11957991211,1cyclictest49-21ksoftirqd/422:51:484
11957991211,1cyclictest49-21ksoftirqd/419:40:124
11957991211,1cyclictest3162-21kworker/4:320:56:484
11957991211,0cyclictest49-21ksoftirqd/420:35:074
11957991210,1cyclictest49-21ksoftirqd/421:05:014
11957991210,1cyclictest49-21ksoftirqd/400:35:124
1194299129,2cyclictest33-21ksoftirqd/223:46:202
1194299125,4cyclictest30243-21httpd00:05:032
11942991211,1cyclictest33-21ksoftirqd/222:36:062
11942991210,2cyclictest33-21ksoftirqd/221:53:262
11942991210,2cyclictest33-21ksoftirqd/200:13:132
11942991210,1cyclictest33-21ksoftirqd/222:52:582
11942991210,1cyclictest33-21ksoftirqd/221:48:272
1194299120,11cyclictest775-21gdbus21:41:192
1193199120,3cyclictest20542-21systemd00:11:270
1193199120,1cyclictest0-21swapper/022:47:590
1197499110,1cyclictest0-21swapper/721:21:197
1197099111,4cyclictest3349-21systemd-cgroups21:53:526
1197099110,11cyclictest32309-21kworker/6:100:09:326
1197099110,11cyclictest28205-21kworker/6:023:00:086
1197099110,11cyclictest27741-21kworker/6:000:25:096
1197099110,11cyclictest27616-21kworker/6:422:38:446
1197099110,11cyclictest21515-21kworker/6:223:57:536
1197099110,11cyclictest12046-21kworker/6:222:53:446
1197099110,11cyclictest12046-21kworker/6:222:49:396
1197099110,10cyclictest0-21swapper/623:27:106
1197099110,10cyclictest0-21swapper/600:01:136
1197099110,1cyclictest0-21swapper/600:24:246
1196399119,1cyclictest57-21ksoftirqd/521:45:545
1196399111,1cyclictest131rcu_sched21:28:105
1195799119,1cyclictest49-21ksoftirqd/420:05:044
1195799119,1cyclictest49-21ksoftirqd/419:49:524
1195799119,1cyclictest49-21ksoftirqd/419:10:034
11957991110,1cyclictest49-21ksoftirqd/419:59:514
11957991110,1cyclictest3162-21kworker/4:319:38:384
1194999119,1cyclictest691-21systemd-logind21:25:393
11949991110,1cyclictest41-21ksoftirqd/321:18:013
1194999111,4cyclictest27338-21systemd-cgroups23:59:433
1194999110,11cyclictest26149-21kworker/3:122:45:253
1194299119,2cyclictest33-21ksoftirqd/222:00:292
1194299119,2cyclictest33-21ksoftirqd/200:22:412
1194299119,1cyclictest33-21ksoftirqd/223:13:302
1194299119,1cyclictest33-21ksoftirqd/221:56:472
1194299118,1cyclictest33-21ksoftirqd/221:24:582
1194299117,3cyclictest33-21ksoftirqd/222:06:242
1194299116,2cyclictest33-21ksoftirqd/200:04:312
11942991110,1cyclictest33-21ksoftirqd/222:27:532
11942991110,1cyclictest33-21ksoftirqd/200:17:452
1193699115,3cyclictest691-21systemd-logind23:00:371
1193699110,10cyclictest0-21swapper/100:04:151
1193699110,1cyclictest0-21swapper/100:07:151
1193199119,2cyclictest0-21swapper/000:05:570
1193199113,5cyclictest22623-21ystemctl22:17:480
1193199110,2cyclictest492-21systemd-journal23:55:470
1193199110,2cyclictest32287-21systemd23:53:550
1193199110,2cyclictest21592-21grepconf.sh22:04:230
1193199110,2cyclictest1-21systemd22:22:270
1193199110,10cyclictest26411-21sshd22:25:090
1193199110,1cyclictest7357-21sshd21:54:470
1193199110,1cyclictest23302-21sh19:29:510
177812100,0sleep30-21swapper/322:10:063
1197499109,1cyclictest73-21ksoftirqd/722:06:587
1197499108,1cyclictest73-21ksoftirqd/700:18:217
1197499105,3cyclictest73-21ksoftirqd/723:56:557
1197499105,2cyclictest686-21dbus-daemon22:43:417
1197499104,2cyclictest691-21systemd-logind23:35:027
1197499103,4cyclictest24769-21sshd22:58:327
1197499103,4cyclictest16427-21systemd22:03:117
1197499102,5cyclictest763-21NetworkManager21:16:017
1197499102,5cyclictest691-21systemd-logind00:23:097
1197099109,1cyclictest65-21ksoftirqd/623:41:336
1197099109,1cyclictest0-21swapper/622:04:526
1197099108,1cyclictest65-21ksoftirqd/621:33:506
1197099104,3cyclictest887-21gdbus21:44:106
1197099103,6cyclictest723-21in:imjournal23:45:506
1197099103,6cyclictest0-21swapper/623:22:206
1197099100,10cyclictest3271-21kworker/6:200:34:316
1197099100,10cyclictest30146-21kworker/6:022:23:216
1197099100,10cyclictest21515-21kworker/6:223:54:236
1197099100,10cyclictest16433-21kworker/6:322:01:026
1197099100,10cyclictest16204-21kworker/6:422:17:556
1195799109,1cyclictest49-21ksoftirqd/420:00:084
1195799109,1cyclictest3162-21kworker/4:319:26:404
1195799108,1cyclictest49-21ksoftirqd/420:34:514
11957991010,0cyclictest3162-21kworker/4:321:00:364
1194999103,6cyclictest885-21polkitd00:17:093
1194999103,6cyclictest27977-21sshd22:32:153
1194999100,10cyclictest28838-21kworker/3:321:54:003
1194999100,1cyclictest0-21swapper/323:45:043
1194299109,1cyclictest33-21ksoftirqd/223:25:432
1194299109,1cyclictest33-21ksoftirqd/222:13:142
1194299109,1cyclictest33-21ksoftirqd/221:18:012
1194299108,1cyclictest33-21ksoftirqd/222:57:052
1194299108,0cyclictest15175-21kworker/u16:522:30:142
1194299107,2cyclictest33-21ksoftirqd/222:41:142
1194299107,2cyclictest33-21ksoftirqd/221:37:372
1194299107,2cyclictest33-21ksoftirqd/221:37:372
1194299106,4cyclictest33-21ksoftirqd/223:30:272
1194299106,3cyclictest9110-21kworker/u16:123:00:282
1194299102,5cyclictest15-21kswork23:18:572
1193699108,1cyclictest30806-21systemd-cgroups23:13:101
1193699108,1cyclictest25-21ksoftirqd/123:19:551
1193699108,1cyclictest25-21ksoftirqd/119:59:511
1193699102,5cyclictest20513-21systemd21:57:151
1193699102,4cyclictest28260-21systemd-cgroups21:45:161
1193699100,9cyclictest7260-21kworker/1:322:46:301
1193699100,9cyclictest15887-21kworker/1:321:50:171
1193699100,10cyclictest15887-21kworker/1:321:43:541
1193199102,7cyclictest21064-21systemd22:50:470
1193199100,2cyclictest492-21systemd-journal00:27:550
1193199100,2cyclictest0-21swapper/019:55:020
1193199100,1cyclictest686-21dbus-daemon00:22:390
1193199100,1cyclictest29241-21fschecks_time20:35:030
1193199100,1cyclictest26640-21sort20:30:070
1193199100,1cyclictest0-21swapper/022:11:590
1193199100,1cyclictest0-21swapper/020:40:150
1193199100,1cyclictest0-21swapper/020:40:150
1193199100,1cyclictest0-21swapper/020:25:030
1193199100,1cyclictest0-21swapper/000:31:150
4228290,0sleep20-21swapper/220:47:482
12649290,0sleep30-21swapper/300:10:023
119749994,1cyclictest686-21dbus-daemon22:10:037
119749992,4cyclictest14883-21df_abs23:30:037
119749992,4cyclictest1-21systemd00:07:277
119749990,9cyclictest4705-21kworker/7:123:28:107
119749990,9cyclictest0-21swapper/723:03:477
119749990,9cyclictest0-21swapper/721:29:507
119749990,9cyclictest0-21swapper/700:36:017
119749990,8cyclictest6633-21kworker/7:323:45:527
119749990,8cyclictest2541-21kworker/7:323:12:467
119749990,8cyclictest25307-21kworker/7:222:19:337
119749990,8cyclictest24287-21kworker/7:022:46:587
119749990,8cyclictest16220-21kworker/7:021:39:517
119749990,8cyclictest16220-21kworker/7:021:39:517
119749990,8cyclictest11375-21kworker/7:221:50:247
119749990,1cyclictest0-21swapper/721:55:097
119709999,0cyclictest0-21swapper/621:25:466
119709997,1cyclictest723-21in:imjournal21:21:506
119709997,1cyclictest65-21ksoftirqd/621:47:416
119709996,2cyclictest24319-21sshd21:38:046
119709996,2cyclictest24319-21sshd21:38:046
119709993,6cyclictest0-21swapper/622:27:476
119709992,1cyclictest87950irq/25-em1-rx-022:55:326
119709991,7cyclictest691-21systemd-logind00:11:386
119709990,3cyclictest0-21swapper/622:12:116
119579999,0cyclictest3162-21kworker/4:319:14:524
119579998,1cyclictest49-21ksoftirqd/420:50:124
119579998,1cyclictest49-21ksoftirqd/420:15:064
119579998,1cyclictest49-21ksoftirqd/419:24:514
119579997,1cyclictest49-21ksoftirqd/420:25:044
119579997,1cyclictest49-21ksoftirqd/420:20:134
119579997,1cyclictest49-21ksoftirqd/420:10:064
119499997,1cyclictest41-21ksoftirqd/319:59:513
119499996,2cyclictest1-21systemd21:23:353
119499994,3cyclictest0-21swapper/321:42:303
119499994,1cyclictest0-21swapper/322:19:163
119499993,6cyclictest0-21swapper/323:25:203
119499993,3cyclictest763-21NetworkManager22:25:103
119499992,6cyclictest885-21polkitd23:02:093
119499990,9cyclictest0-21swapper/322:51:563
119499990,9cyclictest0-21swapper/300:22:163
119499990,9cyclictest0-21swapper/300:06:593
119429999,0cyclictest0-21swapper/222:21:222
119429997,1cyclictest33-21ksoftirqd/223:40:442
119429997,1cyclictest33-21ksoftirqd/221:32:032
119429996,3cyclictest33-21ksoftirqd/221:10:192
119429995,4cyclictest33-21ksoftirqd/223:59:442
119429995,4cyclictest33-21ksoftirqd/221:22:162
119429995,4cyclictest33-21ksoftirqd/200:27:332
119369994,3cyclictest492-21systemd-journal22:39:251
119369994,2cyclictest763-21NetworkManager21:36:411
119369994,2cyclictest763-21NetworkManager21:36:411
119369994,2cyclictest13867-21kworker/1:423:25:591
119369993,3cyclictest32005-21systemd-cgroups21:19:481
119369993,3cyclictest15184-21systemd-cgroups22:16:051
119369992,3cyclictest3035-21systemd-cgroups23:47:421
119369992,3cyclictest14933-21sshd00:17:051
119369991,4cyclictest686-21dbus-daemon22:31:161
119369990,9cyclictest18895-21kworker/1:123:38:511
119369990,9cyclictest18895-21kworker/1:122:07:021
119369990,9cyclictest16278-21kworker/1:021:28:351
119369990,9cyclictest14513-21kworker/1:200:29:491
119369990,9cyclictest13867-21kworker/1:422:55:151
119369990,9cyclictest0-21swapper/123:06:241
119369990,9cyclictest0-21swapper/121:10:311
119369990,9cyclictest0-21swapper/120:35:411
119369990,9cyclictest0-21swapper/100:20:491
119369990,8cyclictest8655-21kworker/1:222:43:511
119369990,8cyclictest3945-21kworker/1:023:16:301
119369990,8cyclictest20901-21kworker/1:323:32:501
119369990,8cyclictest18895-21kworker/1:123:59:051
119369990,8cyclictest18895-21kworker/1:123:53:581
119369990,8cyclictest18895-21kworker/1:122:51:491
119369990,8cyclictest18895-21kworker/1:122:25:331
119369990,4cyclictest885-21polkitd00:11:101
119319993,5cyclictest25417-21switchtime19:30:110
119319993,5cyclictest25417-21switchtime19:30:110
119319992,6cyclictest14878-21open_inodes21:05:080
119319992,6cyclictest10536-21cat21:00:030
119319991,2cyclictest13766-21open_files19:10:090
119319991,1cyclictest0-21swapper/020:50:080
119319991,1cyclictest0-21swapper/020:20:040
119319991,1cyclictest0-21swapper/020:15:140
119319991,1cyclictest0-21swapper/020:10:090
119319991,1cyclictest0-21swapper/020:05:090
119319991,1cyclictest0-21swapper/019:15:030
119319990,1cyclictest4017-21users20:45:110
119319990,1cyclictest0-21swapper/019:54:510
119319990,1cyclictest0-21swapper/019:40:030
19694280,2sleep719770-21systemd23:51:017
119749983,4cyclictest29874-21sshd22:52:497
119749983,2cyclictest15557-21systemd22:23:037
119749982,3cyclictest885-21polkitd23:40:477
119749982,3cyclictest763-21NetworkManager23:14:547
119749982,3cyclictest691-21systemd-logind21:30:487
119749982,3cyclictest15839-21munin-run21:09:517
119749982,3cyclictest1-21systemd22:24:577
119749982,3cyclictest0-21swapper/721:40:017
119749981,4cyclictest691-21systemd-logind00:27:067
119749981,3cyclictest763-21NetworkManager23:20:037
119749980,7cyclictest16220-21kworker/7:021:11:337
119709988,0cyclictest0-21swapper/622:30:536
119709982,1cyclictest0-21swapper/623:29:586
119709981,4cyclictest9745-21users23:15:136
119709981,4cyclictest885-21polkitd00:35:076
119709980,8cyclictest25746-21kworker/6:123:35:096
119709980,8cyclictest0-21swapper/619:11:466
119709980,7cyclictest19715-21kworker/6:122:39:546
119639987,1cyclictest57-21ksoftirqd/520:49:515
119639983,3cyclictest0-21swapper/519:14:175
119639983,2cyclictest0-21swapper/520:56:235
119639983,0cyclictest0-21swapper/521:05:375
119639983,0cyclictest0-21swapper/520:24:375
119639983,0cyclictest0-21swapper/520:17:315
119639980,2cyclictest0-21swapper/520:02:335
119579987,1cyclictest49-21ksoftirqd/420:40:114
119579987,1cyclictest49-21ksoftirqd/420:40:114
119579986,1cyclictest49-21ksoftirqd/419:30:024
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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