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2025-12-09 - 14:46
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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 rack1slot1.osadl.org (updated Tue Dec 09, 2025 12:45:07)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
127742227156,57sleep00-21swapper/007:05:390
127742227156,57sleep00-21swapper/007:05:380
129812207159,23sleep30-21swapper/307:08:243
129812207159,23sleep30-21swapper/307:08:233
130322206150,43sleep20-21swapper/207:09:032
130322206150,43sleep20-21swapper/207:09:022
130752203166,24sleep10-21swapper/107:09:341
130752203166,24sleep10-21swapper/107:09:341
213402690,0sleep10-21swapper/111:44:481
244872590,0sleep30-21swapper/307:30:133
13211992120,1cyclictest9-21ksoftirqd/008:05:010
13211991918,1cyclictest9-21ksoftirqd/011:11:140
13211991918,1cyclictest9-21ksoftirqd/010:40:150
13211991918,1cyclictest9-21ksoftirqd/010:05:130
13211991918,1cyclictest9-21ksoftirqd/010:00:220
13211991918,0cyclictest9-21ksoftirqd/012:23:360
13211991917,1cyclictest9-21ksoftirqd/012:14:390
1322099175,12cyclictest0-21swapper/108:55:221
13211991717,0cyclictest9-21ksoftirqd/009:53:280
13211991717,0cyclictest9-21ksoftirqd/007:25:230
13211991716,1cyclictest9-21ksoftirqd/009:59:300
13211991716,1cyclictest9-21ksoftirqd/009:59:300
13211991716,1cyclictest9-21ksoftirqd/008:55:190
13211991716,0cyclictest9-21ksoftirqd/010:25:200
223482160,1sleep121-21ksoftirqd/109:30:151
1321199169,1cyclictest9-21ksoftirqd/009:25:120
1321199168,7cyclictest9-21ksoftirqd/010:20:140
13211991616,0cyclictest9-21ksoftirqd/012:19:570
13211991616,0cyclictest9-21ksoftirqd/011:56:060
13211991616,0cyclictest9-21ksoftirqd/010:34:190
13211991616,0cyclictest9-21ksoftirqd/009:49:170
13211991616,0cyclictest9-21ksoftirqd/008:40:110
13211991615,1cyclictest9-21ksoftirqd/011:30:100
13211991615,1cyclictest9-21ksoftirqd/010:55:220
13211991615,1cyclictest9-21ksoftirqd/009:23:260
13211991615,1cyclictest9-21ksoftirqd/008:00:000
13211991614,1cyclictest9-21ksoftirqd/010:35:210
102372160,0sleep20-21swapper/212:14:402
13211991515,0cyclictest9-21ksoftirqd/010:54:320
13211991515,0cyclictest9-21ksoftirqd/010:47:050
13211991515,0cyclictest9-21ksoftirqd/010:14:380
13211991515,0cyclictest9-21ksoftirqd/009:41:440
13211991514,1cyclictest9-21ksoftirqd/012:32:390
13211991514,1cyclictest9-21ksoftirqd/012:07:590
13211991514,1cyclictest9-21ksoftirqd/009:09:470
13211991513,1cyclictest9-21ksoftirqd/011:05:120
13211991513,1cyclictest9-21ksoftirqd/009:20:000
13211991414,0cyclictest9-21ksoftirqd/011:50:580
13211991414,0cyclictest9-21ksoftirqd/008:20:190
13211991413,1cyclictest9-21ksoftirqd/011:35:030
13211991413,1cyclictest9-21ksoftirqd/008:30:110
13211991413,1cyclictest9-21ksoftirqd/008:25:110
13211991413,1cyclictest9-21ksoftirqd/007:35:190
13211991412,1cyclictest9-21ksoftirqd/007:50:180
13211991412,1cyclictest9-21ksoftirqd/007:15:010
13211991410,4cyclictest9-21ksoftirqd/008:10:000
6362130,0sleep10-21swapper/112:00:141
297922130,0sleep10-21swapper/108:50:141
1323299130,2cyclictest15557-21munin-node11:23:102
13211991313,0cyclictest9-21ksoftirqd/009:36:580
13211991312,1cyclictest9-21ksoftirqd/012:25:150
13211991312,1cyclictest9-21ksoftirqd/012:25:140
13211991312,1cyclictest9-21ksoftirqd/011:45:110
13211991312,1cyclictest9-21ksoftirqd/011:25:200
13211991312,1cyclictest9-21ksoftirqd/011:05:010
13211991312,1cyclictest9-21ksoftirqd/008:45:160
13211991312,1cyclictest9-21ksoftirqd/008:39:470
13211991312,0cyclictest9-21ksoftirqd/012:35:130
13211991311,1cyclictest9-21ksoftirqd/011:44:590
13211991311,1cyclictest9-21ksoftirqd/009:10:180
13211991311,1cyclictest9-21ksoftirqd/008:14:590
13241991211,1cyclictest35-21ksoftirqd/311:24:263
1324199120,6cyclictest0-21swapper/310:16:373
13211991211,1cyclictest9-21ksoftirqd/012:00:100
13211991211,1cyclictest9-21ksoftirqd/011:20:210
13211991211,1cyclictest9-21ksoftirqd/011:15:160
13211991211,1cyclictest9-21ksoftirqd/009:30:010
13211991211,1cyclictest9-21ksoftirqd/007:20:200
13211991211,1cyclictest9-21ksoftirqd/007:15:020
13211991210,1cyclictest9-21ksoftirqd/007:45:000
1324199110,8cyclictest0-21swapper/311:35:123
13211991110,1cyclictest9-21ksoftirqd/010:15:110
13211991110,1cyclictest9-21ksoftirqd/009:00:100
13211991110,1cyclictest9-21ksoftirqd/008:55:000
13211991110,1cyclictest9-21ksoftirqd/008:15:000
13211991110,1cyclictest9-21ksoftirqd/007:45:120
13211991110,1cyclictest9-21ksoftirqd/007:30:110
228372100,7sleep335-21ksoftirqd/309:30:163
1324199100,6cyclictest7277-21/usr/sbin/munin11:25:153
1324199100,4cyclictest32611-21apt-get11:15:153
1323299106,3cyclictest60950irq/123-eno111:59:562
1323299106,3cyclictest60950irq/123-eno110:53:552
1323299104,1cyclictest20961-21ssh09:27:552
1323299102,1cyclictest10623-21apt-get12:15:122
1323299100,8cyclictest0-21swapper/208:45:142
1323299100,7cyclictest254-21systemd-journal09:19:402
1323299100,6cyclictest22638-21apt-get08:35:102
1323299100,2cyclictest254-21systemd-journal08:55:012
132419998,1cyclictest35-21ksoftirqd/311:53:063
132419990,6cyclictest11770-21ssh10:00:123
132419990,5cyclictest29572-21apt-get10:25:123
132419990,5cyclictest18153-21apt-get11:40:133
132419990,4cyclictest0-21swapper/309:35:123
132329998,1cyclictest28-21ksoftirqd/211:40:042
132329998,1cyclictest28-21ksoftirqd/207:37:492
132329995,3cyclictest60950irq/123-eno111:18:432
132329995,1cyclictest27877-21ssh11:07:082
132329995,0cyclictest60950irq/123-eno111:00:162
132329994,1cyclictest60950irq/123-eno112:00:212
132329994,1cyclictest60950irq/123-eno110:40:182
132329994,1cyclictest60950irq/123-eno109:00:142
132329993,5cyclictest788-21lldpd10:02:112
132329993,1cyclictest25044-21perf11:50:012
132329992,6cyclictest12813-21sh11:31:072
132329992,1cyclictest254-21systemd-journal10:19:412
132329991,1cyclictest254-21systemd-journal12:06:592
132329990,4cyclictest14543-21/usr/sbin/munin11:35:162
132329990,2cyclictest254-21systemd-journal12:39:592
132329990,2cyclictest0-21swapper/210:35:142
132329990,1cyclictest254-21systemd-journal09:25:002
132329990,1cyclictest254-21systemd-journal08:45:012
132329990,1cyclictest254-21systemd-journal07:50:002
132329990,1cyclictest254-21systemd-journal07:35:002
132329990,1cyclictest254-21systemd-journal07:19:592
132329990,1cyclictest0-21swapper/208:30:172
132419986,1cyclictest35-21ksoftirqd/308:45:003
132419980,4cyclictest1948-21irqstats09:45:203
132329986,2cyclictest60950irq/123-eno109:59:502
132329986,2cyclictest60950irq/123-eno109:59:492
132329986,2cyclictest60950irq/123-eno109:12:232
132329985,3cyclictest60950irq/123-eno110:45:122
132329985,1cyclictest742-21runrttasks09:42:032
132329985,0cyclictest60950irq/123-eno110:28:302
132329985,0cyclictest60950irq/123-eno108:55:252
132329984,1cyclictest60950irq/123-eno110:55:252
132329984,1cyclictest60950irq/123-eno109:39:322
132329982,4cyclictest21247-21/usr/sbin/munin12:30:122
132329980,6cyclictest14616-21kworker/u8:211:54:422
132329980,4cyclictest16651-21/usr/sbin/munin10:05:212
132329980,4cyclictest14184-21apt-get12:20:102
132329980,1cyclictest5501-21/usr/sbin/munin08:00:232
132329980,1cyclictest254-21systemd-journal10:20:572
132329980,1cyclictest254-21systemd-journal09:44:592
132329980,1cyclictest254-21systemd-journal08:24:592
1397270,0sleep10-21swapper/110:30:141
132419975,1cyclictest17928-21ssh10:07:543
132419975,1cyclictest17283-21ssh10:52:093
132419974,1cyclictest254-21systemd-journal07:19:563
132419972,2cyclictest6524-21diskmemload11:55:133
132419971,4cyclictest0-21swapper/309:41:273
132419971,2cyclictest6524-21diskmemload10:22:253
132419970,5cyclictest0-21swapper/312:20:163
132419970,4cyclictest0-21swapper/310:45:473
132419970,4cyclictest0-21swapper/309:25:023
132419970,4cyclictest0-21swapper/309:24:223
132419970,3cyclictest0-21swapper/312:05:253
132419970,2cyclictest0-21swapper/309:15:183
132329976,1cyclictest60950irq/123-eno109:30:192
132329976,0cyclictest60950irq/123-eno112:26:502
132329976,0cyclictest60950irq/123-eno112:26:492
132329975,1cyclictest60950irq/123-eno111:10:192
132329974,0cyclictest60950irq/123-eno110:34:092
132329974,0cyclictest60950irq/123-eno109:53:092
132329974,0cyclictest60950irq/123-eno107:55:202
132329972,1cyclictest20708-21tail07:20:212
132329970,4cyclictest7280-21apt-get11:25:142
132329970,4cyclictest0-21swapper/207:25:152
132209971,2cyclictest0-21swapper/112:16:011
132209970,4cyclictest0-21swapper/109:45:201
132209970,4cyclictest0-21swapper/109:35:121
132209970,3cyclictest0-21swapper/111:45:311
31942260,0sleep10-21swapper/111:59:341
132419965,1cyclictest9349-21ssh12:11:553
132419965,1cyclictest9324-21ntpq09:55:193
132419965,1cyclictest9324-21ntpq09:55:183
132419965,1cyclictest8769-21ssh09:11:093
132419965,1cyclictest6515-21latency_hist09:10:013
132419965,1cyclictest5661-21sshd10:35:213
132419965,1cyclictest3788-21ssh10:34:223
132419965,1cyclictest21445-21ntp_states08:30:193
132419963,1cyclictest6524-21diskmemload11:05:443
132419963,1cyclictest254-21systemd-journal07:49:233
132419963,1cyclictest254-21systemd-journal07:44:543
132419961,4cyclictest6524-21diskmemload12:35:203
132419961,4cyclictest6524-21diskmemload11:10:223
132419961,3cyclictest6524-21diskmemload12:01:583
132419961,3cyclictest0-21swapper/308:45:203
132419961,2cyclictest9844-21sshd08:08:313
132419961,1cyclictest3041-21/usr/sbin/munin09:00:153
132419961,1cyclictest18524-21hddtemp_smartct12:25:173
132419961,1cyclictest18524-21hddtemp_smartct12:25:163
132419960,5cyclictest0-21swapper/311:45:133
132419960,4cyclictest757-21apt-get07:50:103
132419960,4cyclictest0-21swapper/311:00:083
132419960,4cyclictest0-21swapper/310:56:383
132419960,4cyclictest0-21swapper/309:50:383
132419960,4cyclictest0-21swapper/308:00:163
132419960,3cyclictest0-21swapper/312:16:073
132419960,3cyclictest0-21swapper/311:32:413
132419960,3cyclictest0-21swapper/310:12:173
132419960,2cyclictest0-21swapper/310:40:013
132419960,0cyclictest0-21swapper/312:32:123
132329966,0cyclictest60950irq/123-eno110:10:162
132329966,0cyclictest60950irq/123-eno109:05:232
132329966,0cyclictest60950irq/123-eno108:10:182
132329966,0cyclictest60950irq/123-eno108:05:212
132329966,0cyclictest60950irq/123-eno107:13:032
132329964,1cyclictest60950irq/123-eno107:50:192
132329964,1cyclictest60950irq/123-eno107:40:152
132329961,1cyclictest14304-21gunzip08:15:182
132209961,2cyclictest0-21swapper/110:26:471
132209961,2cyclictest0-21swapper/109:15:141
132209960,6cyclictest0-21swapper/111:24:131
132209960,6cyclictest0-21swapper/109:54:241
132209960,5cyclictest0-21swapper/108:00:171
132209960,4cyclictest0-21swapper/111:36:231
132209960,4cyclictest0-21swapper/109:43:141
132209960,4cyclictest0-21swapper/109:25:071
132209960,4cyclictest0-21swapper/109:24:431
132209960,3cyclictest0-21swapper/112:37:551
132209960,3cyclictest0-21swapper/111:08:581
132209960,3cyclictest0-21swapper/110:43:191
132209960,3cyclictest0-21swapper/110:15:041
132209960,3cyclictest0-21swapper/109:10:371
132209960,2cyclictest0-21swapper/110:55:171
132209960,2cyclictest0-21swapper/110:50:221
132209960,2cyclictest0-21swapper/109:56:401
132209960,2cyclictest0-21swapper/109:56:391
132209960,0cyclictest0-21swapper/112:32:461
3646250,1sleep10-21swapper/112:05:111
132419954,1cyclictest22557-21ntpq07:25:203
132419954,1cyclictest16527-21ntp_states08:20:163
132419953,1cyclictest4463-21find07:55:193
132419953,1cyclictest24745-21cron08:40:003
132419953,1cyclictest20438-21python07:20:203
132419953,1cyclictest10416-21apt-get08:10:123
132419952,3cyclictest0-21swapper/308:55:193
132419951,2cyclictest31066-21/usr/sbin/munin08:50:203
132329954,0cyclictest60950irq/123-eno108:25:152
132209955,0cyclictest0-21swapper/112:24:561
132209951,2cyclictest0-21swapper/107:15:001
132209951,1cyclictest0-21swapper/112:26:431
132209951,1cyclictest0-21swapper/112:26:421
132209951,1cyclictest0-21swapper/107:15:011
132209950,5cyclictest0-21swapper/110:11:091
132209950,5cyclictest0-21swapper/109:05:421
132209950,5cyclictest0-21swapper/107:55:591
132209950,5cyclictest0-21swapper/107:31:051
132209950,4cyclictest0-21swapper/111:31:541
132209950,4cyclictest0-21swapper/110:05:361
132209950,4cyclictest0-21swapper/108:25:131
132209950,3cyclictest0-21swapper/111:15:141
132209950,3cyclictest0-21swapper/110:35:201
132209950,3cyclictest0-21swapper/108:15:121
132209950,2cyclictest0-21swapper/111:50:221
132209950,2cyclictest0-21swapper/111:10:441
132209950,2cyclictest0-21swapper/110:46:211
132209950,2cyclictest0-21swapper/107:45:121
132209950,1cyclictest0-21swapper/112:10:421
132209950,1cyclictest0-21swapper/111:26:141
132209950,1cyclictest0-21swapper/111:00:161
132209950,1cyclictest0-21swapper/110:20:161
132209950,1cyclictest0-21swapper/110:00:121
132209950,1cyclictest0-21swapper/108:05:141
132209950,0cyclictest0-21swapper/108:30:211
132419943,1cyclictest26104-21apt-get07:35:133
132419942,1cyclictest17789-21basename08:25:113
132419941,2cyclictest12534-21apt-get08:15:013
132419940,2cyclictest254-21systemd-journal07:10:073
132209944,0cyclictest0-21swapper/108:38:531
132209944,0cyclictest0-21swapper/108:24:431
132209943,0cyclictest200-21jbd2/sda2-807:35:051
132209942,1cyclictest0-21swapper/107:40:161
132209940,2cyclictest0-21swapper/107:50:111
132209940,1cyclictest0-21swapper/108:10:181
132209940,0cyclictest0-21swapper/108:40:201
132209940,0cyclictest0-21swapper/107:25:221
132209931,1cyclictest0-21swapper/107:20:111
132209930,3cyclictest0-21swapper/109:00:101
132209930,1cyclictest0-21swapper/108:45:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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