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2026-03-19 - 16:27
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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 Thu Mar 19, 2026 12:43:27)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
148469916116,82cyclictest11252-21grep11:16:434
148469915676,14cyclictest18751-21sshd12:20:134
148469912119,65cyclictest11541-21systemd11:16:444
190022760,0sleep70-21swapper/711:26:267
14860997449,0cyclictest0-21swapper/612:20:136
14860997421,33cyclictest11671-21systemd11:16:446
14860997231,40cyclictest0-21swapper/611:16:436
315572710,0sleep00-21swapper/009:50:410
146962710,0sleep00-21swapper/011:26:110
190012700,0sleep20-21swapper/210:32:312
1484199700,70cyclictest10262-21kworker/3:012:20:133
1486799680,67cyclictest26659-21kworker/7:211:16:437
277162580,0sleep20-21swapper/210:20:062
132232540,2sleep31484199cyclictest10:43:223
132232540,2sleep31484199cyclictest10:43:223
68582510,0sleep70-21swapper/711:57:107
228412510,0sleep30-21swapper/309:37:063
318712500,0sleep70-21swapper/711:51:177
224582500,1sleep6631rcuc/610:32:436
1486799500,50cyclictest31929-21kworker/7:411:16:447
39392490,0sleep30-21swapper/310:16:553
21022490,1sleep02104-21bash10:11:150
283162480,0sleep50-21swapper/509:13:225
326032470,1sleep432605-21grep09:35:554
261972470,2sleep51485799cyclictest11:52:435
129382470,2sleep51485799cyclictest10:24:505
130032460,2sleep41484699cyclictest09:23:384
118412460,0sleep41-21systemd10:54:284
118412460,0sleep41-21systemd10:54:284
290812450,0sleep10-21swapper/109:09:331
277022450,0sleep327701-21sshd10:34:573
239012450,0sleep60-21swapper/610:27:156
216352450,0sleep20-21swapper/212:03:382
204592440,0sleep70-21swapper/709:18:287
14838994444,0cyclictest13550irq/24-ahci[00011:16:442
317622430,0sleep6641ktimersoftd/609:41:266
260812430,1sleep626049-21sshd11:24:576
226282430,0sleep20-21swapper/211:09:562
200772430,1sleep420076-21grepconf.sh12:16:374
310952420,0sleep20-21swapper/209:54:192
310952420,0sleep20-21swapper/209:54:192
202572420,1sleep4686-21dbus-daemon12:07:164
165852420,1sleep125-21ksoftirqd/110:45:281
165852420,1sleep125-21ksoftirqd/110:45:281
1466024231,8sleep20-21swapper/207:06:282
122262420,0sleep5561ktimersoftd/511:46:275
238662410,0sleep40-21swapper/411:45:144
1467924128,9sleep40-21swapper/407:06:384
1467324128,9sleep00-21swapper/007:06:340
1466924128,9sleep70-21swapper/707:06:337
1457624129,9sleep30-21swapper/307:05:173
132982410,0sleep30-21swapper/311:26:063
1221724128,9sleep60-21swapper/607:01:516
111042410,0sleep30-21swapper/310:28:243
260262400,0sleep00-21swapper/011:19:230
195542400,0sleep10-21swapper/111:26:281
170722400,0sleep00-21swapper/011:11:300
325032390,0sleep10-21swapper/112:33:561
31662390,0sleep50-21swapper/510:05:435
254402390,0sleep20-21swapper/210:47:452
189942390,0sleep00-21swapper/010:23:160
14838993936,2cyclictest18621-21cp12:20:132
143342390,0sleep50-21swapper/512:36:405
1428723926,8sleep50-21swapper/507:02:065
95152380,1sleep449-21ksoftirqd/409:58:384
276842380,0sleep30-21swapper/311:39:523
244692380,2sleep51485799cyclictest11:13:435
158472380,0sleep10-21swapper/109:34:561
1459423825,9sleep10-21swapper/107:05:311
118402380,0sleep00-21swapper/010:45:110
118402380,0sleep00-21swapper/010:45:110
21582370,0sleep60-21swapper/610:57:346
71582360,1sleep37154-21sshd11:46:093
14829993636,0cyclictest26290-21kworker/0:112:20:130
14857993211,0cyclictest0-21swapper/511:16:445
1485799320,31cyclictest8441-21kworker/5:212:20:135
14838993217,1cyclictest13550irq/24-ahci[00011:16:432
14829993232,0cyclictest22912-21kworker/0:311:16:430
1486799310,30cyclictest0-21swapper/712:20:137
14832992912,1cyclictest1116-21nfsd12:20:131
14832992524,1cyclictest1116-21nfsd11:16:441
1484199240,23cyclictest0-21swapper/311:16:433
138102240,1sleep513789-21sshd11:03:505
1484199200,20cyclictest0-21swapper/311:16:443
14829991816,2cyclictest31476-21kworker/u16:510:02:120
1483299170,16cyclictest0-21swapper/111:16:431
14829991715,1cyclictest9-21ksoftirqd/011:27:580
14829991714,1cyclictest19037-21kworker/u16:111:05:270
156502160,0sleep1241ktimersoftd/109:27:271
14860991615,1cyclictest0-21swapper/610:38:316
1484699160,15cyclictest18353-21kworker/4:411:05:274
14838991614,1cyclictest33-21ksoftirqd/212:00:192
14838991613,2cyclictest33-21ksoftirqd/212:33:532
14829991614,1cyclictest9-21ksoftirqd/010:16:030
146672160,0sleep00-21swapper/009:53:210
146672160,0sleep00-21swapper/009:53:210
11252160,0sleep41122-21sshd10:03:424
294212150,1sleep341-21ksoftirqd/310:49:543
210392150,0sleep40-21swapper/409:27:464
207602150,0sleep10-21swapper/109:42:331
1486099158,6cyclictest65-21ksoftirqd/612:36:186
14838991514,1cyclictest33-21ksoftirqd/210:38:102
14838991514,1cyclictest33-21ksoftirqd/210:01:442
14838991514,1cyclictest33-21ksoftirqd/209:39:312
14838991513,2cyclictest33-21ksoftirqd/211:21:552
14838991511,3cyclictest33-21ksoftirqd/211:56:382
14838991510,4cyclictest1-21systemd10:07:292
14832991513,1cyclictest25-21ksoftirqd/111:29:181
14829991513,1cyclictest9-21ksoftirqd/010:51:570
14829991513,1cyclictest9-21ksoftirqd/010:51:570
14829991513,1cyclictest18873-21kworker/0:512:12:050
14829991513,1cyclictest1-21systemd10:49:590
14867991412,1cyclictest73-21ksoftirqd/710:48:277
14867991410,1cyclictest73-21ksoftirqd/710:04:177
1486099148,5cyclictest14214-21systemd11:39:046
1485799140,2cyclictest885-21polkitd11:32:345
1485799140,2cyclictest885-21polkitd11:32:345
14846991412,1cyclictest49-21ksoftirqd/409:15:374
1484199140,14cyclictest0-21swapper/312:08:523
14838991411,2cyclictest33-21ksoftirqd/209:24:352
14832991413,1cyclictest25-21ksoftirqd/110:49:441
100812140,0sleep1231rcuc/112:30:521
209822130,0sleep50-21swapper/510:56:535
175962130,0sleep20-21swapper/210:28:472
1486799139,1cyclictest73-21ksoftirqd/712:33:127
1486799138,3cyclictest73-21ksoftirqd/711:55:077
1486799138,3cyclictest73-21ksoftirqd/710:34:497
1486799137,3cyclictest73-21ksoftirqd/709:37:147
14867991312,1cyclictest73-21ksoftirqd/710:42:017
14867991312,1cyclictest73-21ksoftirqd/710:42:017
14867991311,1cyclictest73-21ksoftirqd/709:27:227
1486099133,4cyclictest885-21polkitd09:59:256
1486099132,5cyclictest26988-21sshd11:51:006
1486099132,5cyclictest26847-21systemd11:43:306
14860991312,1cyclictest65-21ksoftirqd/610:46:566
14860991311,1cyclictest65-21ksoftirqd/609:51:136
1486099130,13cyclictest7474-21kworker/6:212:08:526
14857991310,2cyclictest57-21ksoftirqd/510:13:015
14846991311,1cyclictest49-21ksoftirqd/409:40:024
14846991311,1cyclictest49-21ksoftirqd/409:17:064
1484199133,4cyclictest6807-21systemd-cgroups09:14:003
1484199132,5cyclictest30736-21bash11:08:303
14841991311,1cyclictest0-21swapper/311:33:503
14841991311,1cyclictest0-21swapper/311:33:503
1483899137,4cyclictest33-21ksoftirqd/209:47:292
14838991312,1cyclictest33-21ksoftirqd/211:47:362
14838991312,1cyclictest33-21ksoftirqd/209:11:172
14838991311,2cyclictest33-21ksoftirqd/211:00:142
14838991310,2cyclictest33-21ksoftirqd/209:18:132
1483299133,4cyclictest0-21swapper/111:53:161
1483299130,12cyclictest21646-21grepconf.sh09:40:501
14829991311,1cyclictest9-21ksoftirqd/010:18:010
14829991311,1cyclictest9-21ksoftirqd/010:01:130
14829991311,1cyclictest9-21ksoftirqd/009:26:510
14829991310,2cyclictest32713-21kworker/0:312:06:590
14829991310,2cyclictest1-21systemd09:15:220
102762130,0sleep00-21swapper/012:01:110
60522120,1sleep665-21ksoftirqd/611:07:036
26592120,0sleep70-21swapper/712:22:577
26592120,0sleep70-21swapper/712:22:577
246032120,0sleep40-21swapper/412:31:434
222312120,0sleep30-21swapper/311:56:183
153782120,0sleep773-21ksoftirqd/709:49:447
1486799129,3cyclictest73-21ksoftirqd/710:26:167
1486799123,4cyclictest6033-21bash10:57:487
14867991210,1cyclictest73-21ksoftirqd/709:59:047
14867991210,1cyclictest73-21ksoftirqd/709:54:577
14867991210,1cyclictest73-21ksoftirqd/709:54:577
14867991210,1cyclictest0-21swapper/709:22:547
1486799120,11cyclictest0-21swapper/710:56:257
1486799120,11cyclictest0-21swapper/710:56:257
1486099122,4cyclictest1953-21sshd11:32:456
1486099122,4cyclictest1953-21sshd11:32:456
1486099122,4cyclictest14503-21sshd09:18:076
1486099122,4cyclictest13041-21systemd-cgroups10:17:216
1486099122,4cyclictest12181-21sshd10:02:276
1486099122,4cyclictest0-21swapper/611:51:576
14860991211,1cyclictest65-21ksoftirqd/611:27:376
1486099120,11cyclictest13416-21kworker/6:211:05:446
1485799122,4cyclictest0-21swapper/509:42:215
1485799120,3cyclictest18090-21sshd10:17:395
1485799120,11cyclictest32240-21systemd12:04:165
14846991211,1cyclictest49-21ksoftirqd/412:00:334
14846991211,1cyclictest49-21ksoftirqd/411:10:064
14846991211,1cyclictest0-21swapper/411:34:314
14846991211,1cyclictest0-21swapper/411:34:314
14846991210,1cyclictest49-21ksoftirqd/410:32:524
14846991210,1cyclictest49-21ksoftirqd/410:25:274
14846991210,1cyclictest49-21ksoftirqd/410:06:534
1484699120,11cyclictest0-21swapper/412:03:414
1484199122,4cyclictest4228-21sshd09:19:253
1484199122,4cyclictest2280-21sshd09:48:573
1484199122,4cyclictest18695-21systemd-cgroups11:46:483
14841991210,1cyclictest41-21ksoftirqd/311:27:513
14841991210,1cyclictest41-21ksoftirqd/309:46:093
1484199120,12cyclictest0-21swapper/312:33:153
1484199120,11cyclictest6512-21bash11:05:193
1484199120,11cyclictest15555-21sshd09:55:193
1484199120,11cyclictest15555-21sshd09:55:193
1484199120,1cyclictest0-21swapper/309:22:293
1483899129,3cyclictest0-21swapper/211:32:572
1483899129,3cyclictest0-21swapper/211:32:572
1483899127,4cyclictest33-21ksoftirqd/211:43:282
1483899122,7cyclictest6186-21systemd-cgroups10:56:032
1483899122,7cyclictest6186-21systemd-cgroups10:56:032
14838991210,2cyclictest33-21ksoftirqd/212:27:122
14838991210,2cyclictest33-21ksoftirqd/209:33:182
14838991210,1cyclictest33-21ksoftirqd/212:11:132
14838991210,1cyclictest33-21ksoftirqd/211:40:252
14838991210,1cyclictest33-21ksoftirqd/211:03:062
1483299122,4cyclictest24667-21sshd10:19:551
14832991211,1cyclictest25-21ksoftirqd/110:29:101
14832991210,1cyclictest25-21ksoftirqd/112:16:431
14832991210,1cyclictest25-21ksoftirqd/111:01:331
1483299120,12cyclictest32039-21kworker/1:110:35:131
1483299120,1cyclictest0-21swapper/110:51:561
1483299120,1cyclictest0-21swapper/110:51:561
1482999128,4cyclictest9-21ksoftirqd/009:08:140
14829991210,1cyclictest9-21ksoftirqd/011:53:360
14829991210,1cyclictest9-21ksoftirqd/009:44:270
1482999121,3cyclictest0-21swapper/012:34:490
1482999120,2cyclictest7742-21sshd09:32:340
1482999120,11cyclictest6812-21id10:59:450
1486799119,1cyclictest73-21ksoftirqd/709:43:077
1486799119,1cyclictest2441-21systemd-cgroups11:40:187
1486799119,1cyclictest0-21swapper/710:41:077
1486799117,3cyclictest73-21ksoftirqd/712:08:387
1486799116,1cyclictest1-21systemd11:09:267
1486799115,3cyclictest885-21polkitd11:29:547
14867991110,1cyclictest73-21ksoftirqd/711:32:177
14867991110,1cyclictest73-21ksoftirqd/711:32:177
1486799110,11cyclictest0-21swapper/710:10:327
1486799110,1cyclictest0-21swapper/711:05:057
1486799110,1cyclictest0-21swapper/709:34:077
1486099119,1cyclictest65-21ksoftirqd/611:59:506
1486099115,3cyclictest0-21swapper/612:12:146
1486099114,6cyclictest763-21NetworkManager09:51:486
1486099114,6cyclictest763-21NetworkManager09:51:486
1486099113,1cyclictest29170-21kill12:05:596
14860991110,1cyclictest65-21ksoftirqd/610:55:586
14860991110,1cyclictest65-21ksoftirqd/610:55:586
1486099110,5cyclictest885-21polkitd10:46:256
1486099110,5cyclictest885-21polkitd10:46:256
1486099110,5cyclictest5494-21sshd12:25:016
1486099110,5cyclictest5494-21sshd12:25:016
1486099110,5cyclictest14691-21sshd12:27:216
1486099110,5cyclictest1054-21grepconf.sh09:43:186
1486099110,1cyclictest2324-21sshd09:24:556
1485799119,1cyclictest57-21ksoftirqd/511:49:115
1485799119,1cyclictest57-21ksoftirqd/509:59:415
1485799119,1cyclictest57-21ksoftirqd/509:28:085
1485799119,1cyclictest57-21ksoftirqd/509:25:585
1485799119,1cyclictest0-21swapper/510:31:155
1485799116,1cyclictest561ktimersoftd/509:17:285
1485799113,6cyclictest0-21swapper/509:08:205
1485799112,6cyclictest763-21NetworkManager11:31:115
1485799112,5cyclictest25245-21systemd10:47:455
1485799111,4cyclictest32107-21bash11:06:485
1485799110,1cyclictest13799-21grepconf.sh09:32:555
1484699119,1cyclictest49-21ksoftirqd/411:54:284
1484699119,1cyclictest49-21ksoftirqd/410:41:314
1484699119,1cyclictest49-21ksoftirqd/410:29:594
1484699119,1cyclictest49-21ksoftirqd/410:16:464
1484699119,1cyclictest49-21ksoftirqd/409:09:304
1484699113,5cyclictest775-21gdbus11:50:144
1484699110,10cyclictest1888-21systemd-cgroups09:43:214
1484699110,1cyclictest29931-21sshd10:46:154
1484699110,1cyclictest29931-21sshd10:46:154
1484199112,4cyclictest29178-21sshd12:00:223
1484199112,4cyclictest17242-21sshd12:31:173
14841991110,1cyclictest41-21ksoftirqd/312:16:263
1484199110,11cyclictest18131-21kworker/3:010:22:003
1484199110,11cyclictest11975-21kworker/3:411:00:113
1484199110,11cyclictest11889-21kworker/3:509:28:443
1484199110,10cyclictest0-21swapper/309:31:493
1483899119,2cyclictest33-21ksoftirqd/210:23:332
1483899119,2cyclictest33-21ksoftirqd/209:43:512
1483899119,1cyclictest33-21ksoftirqd/211:27:472
1483899119,1cyclictest33-21ksoftirqd/210:02:072
1483899119,1cyclictest33-21ksoftirqd/209:12:192
1483899112,6cyclictest21869-21sshd09:29:432
1483899110,10cyclictest15861-21bash12:23:432
1483899110,10cyclictest15861-21bash12:23:432
1483899110,1cyclictest0-21swapper/212:13:572
1483899110,1cyclictest0-21swapper/210:43:182
1483899110,1cyclictest0-21swapper/210:43:182
1483299119,1cyclictest25-21ksoftirqd/111:07:361
1483299113,7cyclictest1-21systemd10:13:461
1483299112,4cyclictest686-21dbus-daemon12:08:451
1483299112,4cyclictest3137-21sshd11:05:071
1483299112,4cyclictest2337-21grepconf.sh09:52:381
1483299112,4cyclictest2337-21grepconf.sh09:52:381
1483299112,4cyclictest1-21systemd09:22:481
1483299112,4cyclictest0-21swapper/111:47:381
1483299112,4cyclictest0-21swapper/111:33:281
1483299112,4cyclictest0-21swapper/111:33:281
1483299111,4cyclictest20085-21systemd-cgroups11:43:061
1483299110,5cyclictest1-21systemd09:47:461
1483299110,11cyclictest16893-21kworker/1:211:39:031
1483299110,10cyclictest22648-21systemctl09:18:361
1483299110,10cyclictest0-21swapper/110:38:041
1482999119,2cyclictest9-21ksoftirqd/011:35:480
1482999119,2cyclictest9-21ksoftirqd/011:35:480
1482999119,1cyclictest9-21ksoftirqd/012:26:380
1482999119,1cyclictest9-21ksoftirqd/012:26:380
1482999119,1cyclictest9-21ksoftirqd/011:43:010
1482999119,1cyclictest9-21ksoftirqd/010:31:290
1482999119,1cyclictest9-21ksoftirqd/009:37:540
1482999119,1cyclictest9-21ksoftirqd/009:25:040
1482999119,1cyclictest1-21systemd11:51:140
1482999112,4cyclictest9-21ksoftirqd/012:29:310
14829991110,1cyclictest9-21ksoftirqd/010:37:160
1482999111,4cyclictest0-21swapper/010:35:560
1482999110,1cyclictest0-21swapper/011:38:370
1486799109,1cyclictest0-21swapper/712:28:487
1486799108,1cyclictest73-21ksoftirqd/710:27:197
1486799108,1cyclictest73-21ksoftirqd/710:19:157
1486799107,2cyclictest73-21ksoftirqd/712:13:217
1486799106,3cyclictest73-21ksoftirqd/712:06:057
1486799103,4cyclictest13334-21/usr/sbin/munin10:12:007
1486099108,1cyclictest2597-21bash10:22:186
1486099103,6cyclictest25386-21sshd10:08:496
1486099103,5cyclictest19896-21sshd10:14:046
1486099102,2cyclictest686-21dbus-daemon09:34:046
1486099100,4cyclictest31219-21sshd09:11:446
1486099100,4cyclictest13188-21sshd09:31:076
1485799108,1cyclictest57-21ksoftirqd/512:25:115
1485799108,1cyclictest57-21ksoftirqd/512:25:115
1485799108,1cyclictest57-21ksoftirqd/511:57:425
1485799108,1cyclictest57-21ksoftirqd/509:52:545
1485799108,1cyclictest57-21ksoftirqd/509:52:545
1485799105,3cyclictest691-21systemd-logind09:36:585
1485799105,2cyclictest23292-21rm10:34:415
1485799103,4cyclictest28036-21sshd10:46:085
1485799103,4cyclictest28036-21sshd10:46:085
1485799103,2cyclictest22840-21systemd10:53:125
1485799103,2cyclictest22840-21systemd10:53:125
1485799102,7cyclictest15469-21systemd11:24:205
1485799102,4cyclictest2385-21tr12:11:535
1485799101,5cyclictest6320-21kill11:38:365
1485799101,4cyclictest21775-21bash12:11:095
1485799100,7cyclictest10544-21sd-pam12:29:005
1485799100,4cyclictest0-21swapper/510:37:545
1484699109,1cyclictest49-21ksoftirqd/411:24:174
1484699108,1cyclictest49-21ksoftirqd/411:39:294
1484699108,1cyclictest49-21ksoftirqd/410:57:254
1484699108,1cyclictest49-21ksoftirqd/410:47:484
1484699108,1cyclictest49-21ksoftirqd/410:13:074
1484699108,1cyclictest49-21ksoftirqd/409:50:184
1484199108,1cyclictest41-21ksoftirqd/309:07:553
1484199103,6cyclictest31334-21sshd10:40:443
1484199103,6cyclictest14240-21sshd10:13:443
1484199101,4cyclictest7495-21sshd10:54:133
1484199101,4cyclictest7495-21sshd10:54:133
1484199100,4cyclictest11099-21sshd12:23:263
1484199100,4cyclictest11099-21sshd12:23:263
1484199100,4cyclictest0-21swapper/310:07:043
1483899108,1cyclictest33-21ksoftirqd/210:13:112
1483299108,1cyclictest1-21systemd10:02:071
1483299103,6cyclictest19922-21bash12:03:321
1483299102,2cyclictest20014-21bash10:25:151
1483299101,4cyclictest548-21sshd11:58:421
1483299100,4cyclictest22246-21grepconf.sh12:24:061
1483299100,4cyclictest22246-21grepconf.sh12:24:061
1483299100,10cyclictest24918-21kworker/1:410:07:471
1482999108,1cyclictest9-21ksoftirqd/012:02:380
1482999108,1cyclictest9-21ksoftirqd/009:19:100
148679997,1cyclictest73-21ksoftirqd/709:12:057
148679997,1cyclictest73-21ksoftirqd/707:36:437
148679993,3cyclictest31525-21sshd11:41:567
148679992,6cyclictest0-21swapper/709:06:457
148609990,3cyclictest0-21swapper/609:06:576
148579999,0cyclictest0-21swapper/508:21:585
148579999,0cyclictest0-21swapper/507:11:585
148579993,1cyclictest0-21swapper/509:47:225
148579990,0cyclictest0-21swapper/510:06:585
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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