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2026-07-16 - 01:55
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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 rack1slot1.osadl.org (updated Thu Jul 16, 2026 00:45:15)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
168112206156,24sleep00-21swapper/019:09:290
166182205150,21sleep10-21swapper/119:06:571
167792200160,26sleep30-21swapper/319:09:043
147382198157,26sleep20-21swapper/219:05:052
224652170,0sleep00-21swapper/021:25:130
16937991615,1cyclictest9-21ksoftirqd/022:29:050
182122150,0sleep10-21swapper/122:00:151
16937991513,1cyclictest9-21ksoftirqd/022:20:000
1693799143,5cyclictest5309-21perf21:00:000
227502130,0sleep39990-21diskmemload00:06:053
16952991312,1cyclictest28-21ksoftirqd/221:25:142
1694499130,1cyclictest0-21swapper/120:10:101
16952991210,1cyclictest28-21ksoftirqd/220:30:002
1693799122,5cyclictest10031-21sed21:09:590
16937991210,1cyclictest9-21ksoftirqd/022:39:590
16937991210,1cyclictest9-21ksoftirqd/022:09:590
1696099118,1cyclictest35-21ksoftirqd/321:00:003
1695299119,1cyclictest28-21ksoftirqd/220:20:012
1695299119,1cyclictest28-21ksoftirqd/219:59:592
1695299110,1cyclictest0-21swapper/222:20:112
1695299110,0cyclictest0-21swapper/222:55:122
1693799119,1cyclictest9-21ksoftirqd/022:55:000
1693799112,4cyclictest32687-21perf23:40:010
1693799110,0cyclictest0-21swapper/020:15:110
1696099100,7cyclictest0-21swapper/322:19:123
1696099100,5cyclictest25594-21/usr/sbin/munin22:10:213
1695299109,1cyclictest28-21ksoftirqd/223:29:592
1695299107,2cyclictest28-21ksoftirqd/219:25:012
1693799109,1cyclictest9-21ksoftirqd/023:04:120
1693799109,1cyclictest9-21ksoftirqd/023:04:110
1693799109,1cyclictest9-21ksoftirqd/022:05:010
1693799102,4cyclictest21220-21sed20:25:010
1693799102,4cyclictest13779-21perf21:15:010
16937991010,0cyclictest9-21ksoftirqd/022:32:570
1693799100,9cyclictest24866-21/usr/sbin/munin00:10:220
169609990,0cyclictest0-21swapper/323:50:293
169529999,0cyclictest28-21ksoftirqd/221:30:202
169529999,0cyclictest28-21ksoftirqd/221:30:192
169529998,1cyclictest28-21ksoftirqd/222:50:112
169529998,1cyclictest28-21ksoftirqd/222:00:142
169529998,1cyclictest28-21ksoftirqd/221:50:132
169529998,1cyclictest28-21ksoftirqd/200:15:182
169529998,1cyclictest19401-21sh00:03:082
169529998,1cyclictest12842-21perf22:35:002
169529997,1cyclictest28-21ksoftirqd/221:35:002
169529997,1cyclictest28-21ksoftirqd/221:00:002
169529997,1cyclictest28-21ksoftirqd/219:19:592
169529993,3cyclictest240-21systemd-journal22:28:192
169379998,1cyclictest9-21ksoftirqd/020:50:010
2823280,0sleep30-21swapper/323:41:383
169609983,4cyclictest3535-21sshd22:21:453
169609981,6cyclictest32250-1kworker/u9:022:30:093
169609981,4cyclictest31810-21taskset00:18:173
169609981,3cyclictest0-21swapper/323:21:253
169609980,4cyclictest4313-21taskset23:03:573
169609980,4cyclictest4313-21taskset23:03:563
169609980,2cyclictest0-21swapper/321:05:143
169529986,1cyclictest5934-21sensors23:45:182
169529984,2cyclictest240-21systemd-journal23:05:012
169529980,1cyclictest0-21swapper/223:17:512
169449980,6cyclictest203-21jbd2/sda2-822:57:041
169449980,4cyclictest0-21swapper/121:55:111
169449980,4cyclictest0-21swapper/120:50:191
169449980,0cyclictest0-21swapper/121:20:171
169379987,1cyclictest9-21ksoftirqd/022:25:010
169379987,1cyclictest9-21ksoftirqd/021:45:130
169379987,1cyclictest9-21ksoftirqd/020:10:000
169379987,1cyclictest9-21ksoftirqd/000:00:010
169379987,1cyclictest24281-21ssh22:47:460
169379986,1cyclictest9-21ksoftirqd/019:50:000
169379985,2cyclictest30904-21kworker/0:023:10:180
169379983,2cyclictest240-21systemd-journal00:08:050
169379981,6cyclictest19316-21munin-node21:16:210
169379981,6cyclictest10568-21ssh00:30:480
169379980,7cyclictest7177-21ssh00:27:180
169379980,7cyclictest7177-21ssh00:27:180
8393270,0sleep20-21swapper/221:47:382
20435270,0sleep10-21swapper/122:43:051
169609975,1cyclictest21884-21cat23:25:163
169609974,2cyclictest10338-21aten_r1power_fr21:10:133
169609974,1cyclictest35-21ksoftirqd/320:02:143
169609973,2cyclictest240-21systemd-journal00:39:563
169609972,2cyclictest9990-21diskmemload23:58:533
169609972,1cyclictest9957-21grep00:30:173
169609971,4cyclictest240-21systemd-journal23:19:193
169609971,4cyclictest0-21swapper/321:44:553
169609971,3cyclictest0-21swapper/320:05:193
169609970,4cyclictest7039-21apt-get19:55:113
169609970,4cyclictest6128-21cat23:05:173
169609970,4cyclictest0-21swapper/322:58:193
169609970,4cyclictest0-21swapper/321:50:163
169609970,3cyclictest0-21swapper/322:47:033
169609970,3cyclictest0-21swapper/322:00:123
169609970,3cyclictest0-21swapper/321:47:333
169609970,3cyclictest0-21swapper/300:00:503
169609970,2cyclictest25460-21df23:30:133
169609970,2cyclictest0-21swapper/300:11:003
169609970,1cyclictest0-21swapper/322:05:093
169529977,0cyclictest28-21ksoftirqd/222:10:152
169529976,1cyclictest61650irq/122-eno123:59:272
169529976,1cyclictest61650irq/122-eno123:20:182
169529976,1cyclictest61650irq/122-eno100:20:042
169529976,1cyclictest28-21ksoftirqd/223:50:192
169529976,1cyclictest28-21ksoftirqd/223:00:122
169529976,1cyclictest28-21ksoftirqd/223:00:112
169529976,1cyclictest28-21ksoftirqd/222:40:142
169529976,1cyclictest28-21ksoftirqd/222:35:182
169529976,1cyclictest28-21ksoftirqd/221:04:592
169529976,1cyclictest28-21ksoftirqd/220:10:112
169529975,1cyclictest61650irq/122-eno123:35:152
169529975,1cyclictest61650irq/122-eno123:10:142
169529975,1cyclictest61650irq/122-eno122:00:002
169529975,1cyclictest61650irq/122-eno100:25:122
169529975,1cyclictest61650irq/122-eno100:25:112
169529975,1cyclictest20588-21ssh00:05:002
169529973,2cyclictest548-21systemd-logind22:09:082
169529970,5cyclictest19257-21systemd-cgroups19:15:002
169529970,1cyclictest0-21swapper/220:40:112
169449971,3cyclictest0-21swapper/121:16:141
169449970,6cyclictest0-21swapper/119:35:121
169449970,6cyclictest0-21swapper/119:35:111
169449970,4cyclictest0-21swapper/122:35:011
169379976,1cyclictest9-21ksoftirqd/020:35:130
169379976,1cyclictest9-21ksoftirqd/019:55:000
169379975,1cyclictest9-21ksoftirqd/022:55:200
169379975,1cyclictest28628-21ntp_states19:30:180
169379972,2cyclictest18053-21expr22:40:140
169379970,6cyclictest9990-21diskmemload22:11:450
169379970,6cyclictest9990-21diskmemload00:16:410
169379970,6cyclictest3298-21sed21:40:210
169379970,6cyclictest20871-21perl19:15:120
169379970,6cyclictest12861-21tr00:35:130
169379970,6cyclictest0-21swapper/023:29:270
169379970,6cyclictest0-21swapper/021:20:150
169379970,6cyclictest0-21swapper/020:30:170
169379970,6cyclictest0-21swapper/019:40:120
169379970,6cyclictest0-21swapper/019:10:140
169379970,1cyclictest9990-21diskmemload23:45:180
169379970,1cyclictest6672-21ntp_states21:00:160
169379970,1cyclictest3577-21ssh00:23:430
169379970,1cyclictest30382-21grep19:35:150
169379970,1cyclictest30382-21grep19:35:140
169379970,1cyclictest240-21systemd-journal19:55:440
169379970,1cyclictest15716-21ssh23:17:400
169379970,1cyclictest1566-21sed21:40:010
169379970,1cyclictest15284-21ssh23:57:540
169379970,1cyclictest0-21swapper/023:08:440
169609965,1cyclictest6744-21ssh00:26:133
169609965,1cyclictest6744-21ssh00:26:123
169609965,1cyclictest27955-21ssh22:51:593
169609965,1cyclictest24955-21ssh21:28:203
169609964,1cyclictest7149-21ssh22:25:493
169609964,1cyclictest22182-21sed20:25:133
169609964,1cyclictest13646-21/usr/sbin/munin21:55:123
169609962,2cyclictest9990-21diskmemload00:20:073
169609962,2cyclictest240-21systemd-journal20:38:013
169609962,1cyclictest28499-21apt-get20:40:103
169609962,0cyclictest9990-21diskmemload23:10:293
169609961,3cyclictest18503-21df_inode21:20:133
169609961,3cyclictest150912sleep322:35:223
169609961,1cyclictest9990-21diskmemload23:46:083
169609961,1cyclictest17637-21df19:10:143
169609961,1cyclictest0-21swapper/323:36:493
169609960,2cyclictest0-21swapper/322:40:083
169609960,2cyclictest0-21swapper/321:31:093
169609960,2cyclictest0-21swapper/321:31:083
169609960,2cyclictest0-21swapper/321:17:083
169609960,1cyclictest0-21swapper/321:35:333
169529966,0cyclictest61650irq/122-eno122:45:182
169529966,0cyclictest61650irq/122-eno121:15:052
169529966,0cyclictest61650irq/122-eno121:10:042
169529966,0cyclictest61650irq/122-eno120:00:072
169529966,0cyclictest61650irq/122-eno119:47:162
169529966,0cyclictest61650irq/122-eno119:44:202
169529966,0cyclictest61650irq/122-eno100:30:162
169529965,1cyclictest61650irq/122-eno121:20:122
169529965,1cyclictest61650irq/122-eno100:10:142
169529965,1cyclictest31980-21ntpq20:45:192
169529965,1cyclictest30969-21ntpq19:35:182
169529965,1cyclictest30969-21ntpq19:35:172
169529965,1cyclictest28-21ksoftirqd/220:20:002
169529965,0cyclictest61650irq/122-eno123:30:122
169529965,0cyclictest28-21ksoftirqd/222:15:112
169529964,1cyclictest28-21ksoftirqd/221:05:142
169529964,1cyclictest28-21ksoftirqd/220:35:132
169529964,1cyclictest12583-21ssh00:35:112
169529963,2cyclictest6812-21grep19:55:002
169529962,3cyclictest23771-21apt-get20:30:112
169529960,4cyclictest25117-21apt-get19:25:102
169529960,3cyclictest9990-21diskmemload21:40:132
169529960,2cyclictest0-21swapper/223:40:122
169529960,1cyclictest0-21swapper/220:50:112
169449963,3cyclictest21-21ksoftirqd/122:33:511
169449962,0cyclictest0-21swapper/122:50:191
169449961,3cyclictest0-21swapper/123:18:211
169449960,6cyclictest0-21swapper/123:40:181
169449960,6cyclictest0-21swapper/122:45:171
169449960,6cyclictest0-21swapper/121:04:181
169449960,5cyclictest0-21swapper/119:50:111
169449960,4cyclictest0-21swapper/121:34:591
169449960,4cyclictest0-21swapper/121:34:581
169449960,3cyclictest0-21swapper/123:34:571
169449960,3cyclictest0-21swapper/122:05:101
169449960,2cyclictest0-21swapper/122:15:111
169449960,1cyclictest0-21swapper/121:35:221
169449960,0cyclictest0-21swapper/123:01:321
169449960,0cyclictest0-21swapper/123:01:321
169379965,1cyclictest9-21ksoftirqd/020:04:590
169379965,1cyclictest17512-21df23:20:140
169379961,1cyclictest26478-21diskstats21:30:160
169379961,1cyclictest26478-21diskstats21:30:150
169379960,6cyclictest0-21swapper/020:50:150
169379960,5cyclictest9990-21diskmemload23:50:020
169379960,1cyclictest240-21systemd-journal23:40:350
169379960,1cyclictest0-21swapper/023:30:400
169379960,0cyclictest0-21swapper/021:55:520
169379960,0cyclictest0-21swapper/021:50:540
19539250,0sleep10-21swapper/123:22:141
169609954,1cyclictest1880-21/usr/sbin/munin20:50:173
169609953,1cyclictest3712-21sort19:45:203
169609953,1cyclictest29455-21taskset19:33:283
169609951,2cyclictest32586-21who20:45:233
169609951,2cyclictest30953-21grep19:35:183
169609951,2cyclictest30953-21grep19:35:173
169609951,1cyclictest240-21systemd-journal19:16:593
169609950,5cyclictest0-21swapper/320:33:243
169609950,5cyclictest0-21swapper/319:29:593
169609950,4cyclictest22749-21apt-get19:20:013
169609950,0cyclictest0-21swapper/319:52:243
169529955,0cyclictest61650irq/122-eno120:05:072
169529955,0cyclictest61650irq/122-eno119:30:102
169449955,0cyclictest0-21swapper/121:05:171
169449955,0cyclictest0-21swapper/119:20:381
169449955,0cyclictest0-21swapper/100:19:001
169449953,1cyclictest0-21swapper/123:55:151
169449951,2cyclictest0-21swapper/123:45:121
169449951,2cyclictest0-21swapper/120:15:191
169449951,1cyclictest0-21swapper/121:45:131
169449950,5cyclictest203-21jbd2/sda2-819:45:581
169449950,5cyclictest0-21swapper/122:22:411
169449950,5cyclictest0-21swapper/119:34:441
169449950,5cyclictest0-21swapper/100:28:011
169449950,5cyclictest0-21swapper/100:28:001
169449950,4cyclictest0-21swapper/100:36:561
169449950,4cyclictest0-21swapper/100:10:191
169449950,2cyclictest0-21swapper/123:35:151
169449950,2cyclictest0-21swapper/123:27:461
169449950,2cyclictest0-21swapper/122:25:121
169449950,2cyclictest0-21swapper/121:10:081
169449950,2cyclictest0-21swapper/120:45:111
169449950,2cyclictest0-21swapper/120:00:121
169449950,1cyclictest0-21swapper/120:55:181
169449950,1cyclictest0-21swapper/100:33:311
169449950,1cyclictest0-21swapper/100:07:351
169449950,0cyclictest0-21swapper/120:44:091
169379955,0cyclictest22328-21apt-get19:20:010
169379954,1cyclictest15284-21ntpq20:10:150
169379950,5cyclictest0-21swapper/020:28:450
169379950,5cyclictest0-21swapper/019:25:140
169379950,0cyclictest0-21swapper/020:40:180
15242250,0sleep30-21swapper/320:10:163
13213250,0sleep10-21swapper/121:54:431
12551250,1sleep10-21swapper/123:14:421
169609944,0cyclictest6908-21sensors21:00:183
169609943,1cyclictest469-21gltestperf19:40:143
169609940,3cyclictest16476-21/usr/sbin/munin20:15:113
169609940,2cyclictest19066-21apt-get20:20:113
169449944,0cyclictest0-21swapper/119:41:161
169449943,1cyclictest0-21swapper/119:55:211
169449943,1cyclictest0-21swapper/119:10:131
169449942,1cyclictest0-21swapper/120:20:111
169449941,1cyclictest0-21swapper/123:50:121
169449941,1cyclictest0-21swapper/119:25:111
169449940,4cyclictest0-21swapper/123:07:291
169449940,4cyclictest0-21swapper/122:10:211
169449940,4cyclictest0-21swapper/120:30:431
169449940,4cyclictest0-21swapper/100:20:211
169449940,3cyclictest0-21swapper/121:25:011
169449940,3cyclictest0-21swapper/100:00:531
169449940,2cyclictest0-21swapper/121:40:231
169449940,0cyclictest0-21swapper/120:38:061
169449931,1cyclictest0-21swapper/120:25:111
169449931,1cyclictest0-21swapper/120:05:141
169449930,0cyclictest0-21swapper/119:17:051
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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