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2026-07-07 - 07:03
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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 rack1slot1.osadl.org (updated Tue Jul 07, 2026 00:45:16)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
321602217153,22sleep20-21swapper/219:07:302
320812207156,24sleep00-21swapper/019:06:280
320892201161,26sleep30-21swapper/319:06:353
320622201160,27sleep10-21swapper/119:06:121
32438991414,0cyclictest28-21ksoftirqd/221:32:292
32438991313,0cyclictest28-21ksoftirqd/223:47:412
32438991312,1cyclictest28-21ksoftirqd/222:57:342
3243199130,12cyclictest0-21swapper/120:30:211
32427991313,0cyclictest0-21swapper/020:00:370
70592120,0sleep10-21swapper/122:15:001
32438991211,1cyclictest28-21ksoftirqd/223:40:372
32438991210,1cyclictest28-21ksoftirqd/200:30:152
3242799120,9cyclictest6148-1kworker/u9:123:48:060
3243899119,1cyclictest28-21ksoftirqd/221:35:212
32438991111,0cyclictest28-21ksoftirqd/221:15:302
32438991110,1cyclictest28-21ksoftirqd/223:50:122
32438991110,1cyclictest28-21ksoftirqd/222:46:382
32438991110,1cyclictest28-21ksoftirqd/222:35:152
32438991110,1cyclictest28-21ksoftirqd/222:20:112
3243899110,8cyclictest32640-21apt-get22:50:112
35662100,0sleep20-21swapper/200:22:222
3244599109,1cyclictest35-21ksoftirqd/323:05:003
3244599109,1cyclictest35-21ksoftirqd/322:40:013
3244599109,1cyclictest35-21ksoftirqd/319:39:593
32445991010,0cyclictest35-21ksoftirqd/322:49:593
3244599100,4cyclictest0-21swapper/300:30:063
3243899109,1cyclictest28-21ksoftirqd/223:35:192
3243899109,1cyclictest28-21ksoftirqd/222:30:212
3243899109,1cyclictest28-21ksoftirqd/222:30:202
3243899109,1cyclictest28-21ksoftirqd/221:55:232
3243899109,1cyclictest28-21ksoftirqd/221:45:152
3243899109,1cyclictest28-21ksoftirqd/221:45:142
3243899109,1cyclictest28-21ksoftirqd/221:20:132
3243899108,1cyclictest28-21ksoftirqd/223:30:142
3243899108,1cyclictest18821-21apt-key00:00:012
3243899108,1cyclictest18821-21apt-key00:00:002
3243899107,2cyclictest28-21ksoftirqd/223:10:122
32438991010,0cyclictest28-21ksoftirqd/222:25:212
3243899100,10cyclictest0-21swapper/222:02:562
3243899100,10cyclictest0-21swapper/220:28:452
3242799108,1cyclictest9-21ksoftirqd/020:15:010
3242799100,5cyclictest0-21swapper/022:37:320
3242799100,4cyclictest24003-21diskmemload00:13:570
3242799100,4cyclictest0-21swapper/022:45:110
204842100,0sleep00-21swapper/022:32:070
204842100,0sleep00-21swapper/022:32:060
324459999,0cyclictest35-21ksoftirqd/322:25:003
324459999,0cyclictest35-21ksoftirqd/321:50:163
324389999,0cyclictest28-21ksoftirqd/223:06:562
324389999,0cyclictest28-21ksoftirqd/223:00:162
324389999,0cyclictest0-21swapper/200:15:252
324389998,1cyclictest28-21ksoftirqd/222:10:102
324389998,1cyclictest28-21ksoftirqd/221:13:242
324389998,1cyclictest28-21ksoftirqd/219:35:002
324389998,1cyclictest28-21ksoftirqd/200:14:072
324389997,1cyclictest28-21ksoftirqd/222:09:592
324389997,1cyclictest28-21ksoftirqd/220:00:002
324389997,1cyclictest28-21ksoftirqd/219:34:592
324389996,2cyclictest14375-21idleruntime-cro20:50:002
324389990,8cyclictest7287-21idleruntime-cro20:34:592
324279997,1cyclictest9-21ksoftirqd/023:58:560
324279997,1cyclictest9-21ksoftirqd/023:58:560
324279994,2cyclictest240-21systemd-journal20:00:010
324279991,7cyclictest3634-21ssh21:25:120
324279990,6cyclictest0-21swapper/023:10:070
324459986,1cyclictest35-21ksoftirqd/320:50:003
324459980,4cyclictest19559-21/usr/sbin/munin22:30:203
324459980,4cyclictest19559-21/usr/sbin/munin22:30:203
324459980,3cyclictest0-21swapper/323:30:583
324459980,2cyclictest0-21swapper/323:08:363
324389988,0cyclictest28-21ksoftirqd/223:26:152
324389988,0cyclictest28-21ksoftirqd/223:21:182
324389988,0cyclictest28-21ksoftirqd/200:37:292
324389988,0cyclictest28-21ksoftirqd/200:08:352
324389988,0cyclictest17549-21sensors19:45:162
324389987,1cyclictest28-21ksoftirqd/223:15:032
324389987,1cyclictest28-21ksoftirqd/222:40:172
324389987,1cyclictest28-21ksoftirqd/221:40:142
324389987,1cyclictest28-21ksoftirqd/221:00:142
324389987,1cyclictest28-21ksoftirqd/219:15:012
324389987,1cyclictest28-21ksoftirqd/200:00:142
324389986,1cyclictest61650irq/122-eno120:15:172
324389986,1cyclictest61650irq/122-eno100:25:152
324389981,3cyclictest0-21swapper/220:50:142
324389980,5cyclictest24003-21diskmemload21:25:092
324319980,4cyclictest0-21swapper/123:40:171
324319980,2cyclictest0-21swapper/121:35:261
324279983,1cyclictest24003-21diskmemload23:35:400
324279982,0cyclictest24003-21diskmemload22:52:170
324279981,6cyclictest13930-21ssh21:39:540
324279981,1cyclictest14534-21sh23:53:520
324279981,1cyclictest0-21swapper/022:15:130
324279980,2cyclictest0-21swapper/000:00:100
324279980,1cyclictest24982-21ssh23:23:170
324279980,1cyclictest14441-21ssh22:25:020
324459976,1cyclictest627-21kworker/3:100:00:143
324459976,1cyclictest35-21ksoftirqd/323:25:003
324459976,1cyclictest35-21ksoftirqd/320:54:043
324459976,1cyclictest35-21ksoftirqd/320:35:133
324459976,1cyclictest35-21ksoftirqd/319:29:593
324459975,1cyclictest8003-21ssh00:29:463
324459975,1cyclictest35-21ksoftirqd/322:15:143
324459975,1cyclictest18538-21ssh23:15:053
324459975,1cyclictest17546-21ssh23:12:483
324459975,1cyclictest17015-21ssh22:27:343
324459975,1cyclictest13095-21ssh21:37:253
324459974,1cyclictest1872-21ntpq23:35:183
324459973,3cyclictest4731-21apt-get20:30:003
324459971,4cyclictest32677-21apt-get20:20:123
324459971,3cyclictest24003-21diskmemload21:55:183
324459971,0cyclictest24003-21diskmemload21:13:483
324459970,5cyclictest0-21swapper/322:00:133
324459970,4cyclictest0-21swapper/322:10:093
324459970,4cyclictest0-21swapper/321:40:203
324459970,4cyclictest0-21swapper/300:35:373
324459970,3cyclictest0-21swapper/323:43:023
324459970,3cyclictest0-21swapper/300:24:473
324459970,3cyclictest0-21swapper/300:10:343
324389977,0cyclictest28-21ksoftirqd/221:50:102
324389977,0cyclictest28-21ksoftirqd/220:35:172
324389976,1cyclictest7028-21kworker/2:219:20:162
324389976,1cyclictest28-21ksoftirqd/220:00:202
324389976,1cyclictest13173-21kworker/2:020:13:342
324389970,5cyclictest7213-21apt-get22:15:112
324389970,1cyclictest240-21systemd-journal21:10:012
324319972,2cyclictest0-21swapper/121:25:111
324319971,3cyclictest0-21swapper/120:30:011
324319970,5cyclictest0-21swapper/119:16:571
324319970,5cyclictest0-21swapper/100:10:181
324319970,4cyclictest0-21swapper/123:20:331
324319970,3cyclictest0-21swapper/123:09:501
324319970,1cyclictest0-21swapper/123:15:151
324279976,1cyclictest5058-21ntpq19:20:190
324279976,1cyclictest4980-21ssh22:10:180
324279976,0cyclictest24003-21diskmemload23:01:280
324279975,1cyclictest11052-21ntp_states20:40:180
324279974,1cyclictest24003-21diskmemload21:20:140
324279972,3cyclictest6954-21/usr/sbin/munin21:30:200
324279972,2cyclictest29765-21cut23:30:140
324279971,5cyclictest12054-21ssh23:05:170
324279971,3cyclictest0-21swapper/021:15:100
324279970,6cyclictest7013-21ssh00:26:490
324279970,6cyclictest25805-21ssh23:25:030
324279970,6cyclictest25187-21/usr/sbin/munin21:10:170
324279970,6cyclictest0-21swapper/020:45:120
324279970,6cyclictest0-21swapper/000:30:120
324279970,3cyclictest0-21swapper/022:00:120
324279970,3cyclictest0-21swapper/021:50:120
324279970,1cyclictest32050-21ssh00:16:320
324279970,1cyclictest26814-21ssh22:40:200
324279970,1cyclictest14284-21apt-get21:40:110
324279970,1cyclictest0-21swapper/023:15:160
324279970,1cyclictest0-21swapper/022:55:220
324279970,1cyclictest0-21swapper/021:55:210
324279970,1cyclictest0-21swapper/021:45:010
324279970,1cyclictest0-21swapper/021:45:000
324279970,1cyclictest0-21swapper/020:25:180
324279970,1cyclictest0-21swapper/000:05:080
29107270,0sleep30-21swapper/323:29:483
324459966,0cyclictest35-21ksoftirqd/319:55:163
324459965,1cyclictest35-21ksoftirqd/321:45:153
324459965,1cyclictest35-21ksoftirqd/321:45:143
324459965,1cyclictest35-21ksoftirqd/321:25:013
324459965,1cyclictest35-21ksoftirqd/320:25:083
324459965,1cyclictest20689-21ntpq21:00:183
324459965,1cyclictest20298-21sshd19:51:023
324459965,1cyclictest11552-21ssh23:50:053
324459964,1cyclictest24003-21diskmemload22:40:173
324459963,1cyclictest240-21systemd-journal21:19:143
324459962,3cyclictest18233-21sh23:59:053
324459962,3cyclictest18233-21sh23:59:053
324459962,1cyclictest7942-21/usr/sbin/munin23:45:143
324459962,1cyclictest32452-21aten_r1power_fr22:05:113
324459961,3cyclictest0-21swapper/321:22:173
324459960,6cyclictest32196-21ssh00:16:583
324459960,4cyclictest341rcuc/322:55:183
324459960,3cyclictest0-21swapper/300:05:123
324459960,2cyclictest0-21swapper/321:32:593
324389966,0cyclictest61650irq/122-eno119:40:162
324389965,1cyclictest28-21ksoftirqd/220:40:142
324389965,1cyclictest28-21ksoftirqd/220:05:172
324389964,1cyclictest28-21ksoftirqd/219:25:152
324389963,3cyclictest61650irq/122-eno119:50:122
324389960,1cyclictest0-21swapper/220:55:122
324319965,1cyclictest0-21swapper/120:10:121
324319961,3cyclictest0-21swapper/121:30:171
324319960,6cyclictest0-21swapper/121:58:261
324319960,4cyclictest0-21swapper/121:00:171
324319960,4cyclictest0-21swapper/100:17:411
324319960,4cyclictest0-21swapper/100:03:081
324319960,3cyclictest0-21swapper/123:48:111
324319960,3cyclictest0-21swapper/122:30:001
324319960,3cyclictest0-21swapper/121:50:141
324319960,3cyclictest0-21swapper/121:44:101
324319960,3cyclictest0-21swapper/100:36:041
324319960,2cyclictest0-21swapper/123:39:251
324319960,2cyclictest0-21swapper/122:50:201
324319960,2cyclictest0-21swapper/119:50:111
324319960,1cyclictest0-21swapper/123:52:231
324319960,1cyclictest0-21swapper/122:58:411
324319960,1cyclictest0-21swapper/122:37:081
324319960,1cyclictest0-21swapper/122:05:151
324319960,1cyclictest0-21swapper/121:47:311
324319960,1cyclictest0-21swapper/121:47:311
324319960,1cyclictest0-21swapper/100:07:231
324319960,0cyclictest0-21swapper/123:58:311
324319960,0cyclictest0-21swapper/123:58:301
324279966,0cyclictest0-21swapper/021:00:120
324279965,1cyclictest32144-1kworker/u9:100:20:170
324279965,1cyclictest12152-21ssh00:35:380
324279964,1cyclictest9399-21grep19:30:150
324279964,1cyclictest9-21ksoftirqd/020:20:170
324279962,2cyclictest240-21systemd-journal19:14:270
324279962,1cyclictest25581-21/usr/sbin/munin20:05:190
324279961,0cyclictest2073-21ssh22:06:200
324279960,6cyclictest0-21swapper/020:33:260
324279960,6cyclictest0-21swapper/019:45:200
324279960,5cyclictest12745-21ssh22:20:370
324279960,3cyclictest0-21swapper/019:50:120
324279960,2cyclictest0-21swapper/019:15:100
324279960,1cyclictest6035-21unixbench_singl23:40:200
324279960,0cyclictest14367-21apt-get20:50:020
324279960,0cyclictest0-21swapper/021:07:170
324279960,0cyclictest0-21swapper/020:55:190
324279960,0cyclictest0-21swapper/019:35:110
324279960,0cyclictest0-21swapper/019:29:500
324459955,0cyclictest35-21ksoftirqd/319:15:013
324459953,1cyclictest693-21runrttasks19:40:183
324459952,1cyclictest25584-21apt-get20:05:113
324459952,1cyclictest240-21systemd-journal20:41:293
324459951,3cyclictest8616-21apt-get19:30:123
324459950,5cyclictest0-21swapper/322:50:403
324459950,5cyclictest0-21swapper/319:46:383
324459950,4cyclictest6026-21idleruntime-cro19:25:003
324459950,2cyclictest29131-21/usr/sbin/munin20:10:183
324459950,1cyclictest593-21munin-node19:15:003
324389955,0cyclictest61650irq/122-eno119:10:392
324389954,1cyclictest28-21ksoftirqd/220:20:132
324319955,0cyclictest0-21swapper/121:14:351
324319951,2cyclictest0-21swapper/119:55:121
324319951,1cyclictest0-21swapper/122:49:081
324319951,1cyclictest0-21swapper/121:20:191
324319951,1cyclictest0-21swapper/120:45:221
324319950,3cyclictest0-21swapper/123:31:541
324319950,3cyclictest0-21swapper/122:40:161
324319950,3cyclictest0-21swapper/122:32:131
324319950,3cyclictest0-21swapper/122:32:121
324319950,3cyclictest0-21swapper/122:03:591
324319950,2cyclictest0-21swapper/122:20:131
324319950,2cyclictest0-21swapper/121:15:211
324319950,2cyclictest0-21swapper/119:30:191
324319950,1cyclictest0-21swapper/123:26:271
324319950,1cyclictest0-21swapper/122:17:221
324319950,1cyclictest0-21swapper/120:35:211
324319950,1cyclictest0-21swapper/120:15:111
324319950,1cyclictest0-21swapper/119:25:151
324319950,1cyclictest0-21swapper/119:20:151
324319950,1cyclictest0-21swapper/100:30:061
324319950,1cyclictest0-21swapper/100:25:321
324319950,1cyclictest0-21swapper/100:22:021
324319950,0cyclictest0-21swapper/123:01:491
324319950,0cyclictest0-21swapper/120:51:301
324319950,0cyclictest0-21swapper/120:09:061
324279953,1cyclictest30597-21tr20:15:110
324279951,1cyclictest0-21swapper/019:40:120
324279950,5cyclictest0-21swapper/020:35:140
324459943,1cyclictest35-21ksoftirqd/321:05:133
324459943,1cyclictest35-21ksoftirqd/320:55:173
324459943,1cyclictest30996-21fschecks_time20:15:133
324459942,1cyclictest24501-21wc20:00:183
324319944,0cyclictest0-21swapper/121:08:541
324319941,2cyclictest0-21swapper/123:10:131
324319941,1cyclictest0-21swapper/120:20:181
324319940,2cyclictest0-21swapper/120:55:131
324319940,1cyclictest0-21swapper/120:00:141
324319940,1cyclictest0-21swapper/119:45:011
324319940,1cyclictest0-21swapper/119:15:011
324319940,0cyclictest0-21swapper/120:40:191
324319940,0cyclictest0-21swapper/119:35:221
324319930,2cyclictest0-21swapper/119:40:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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