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2026-05-06 - 01:22
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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 Wed May 06, 2026 00:45:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
32052208157,25sleep30-21swapper/319:07:563
31522201161,26sleep20-21swapper/219:07:142
30892199163,24sleep10-21swapper/119:06:251
30832198159,25sleep00-21swapper/019:06:190
2751821100,0sleep00-21swapper/019:55:220
51812190,0sleep30-21swapper/320:20:123
3461991715,1cyclictest28-21ksoftirqd/220:40:002
3461991614,2cyclictest28-21ksoftirqd/221:23:092
3461991513,1cyclictest28-21ksoftirqd/222:20:122
3444991513,1cyclictest9-21ksoftirqd/023:40:000
3461991414,0cyclictest28-21ksoftirqd/223:51:462
3461991414,0cyclictest28-21ksoftirqd/222:44:502
3461991412,1cyclictest28-21ksoftirqd/220:40:202
3444991413,1cyclictest9-21ksoftirqd/021:35:150
3461991312,1cyclictest28-21ksoftirqd/223:30:172
3461991312,1cyclictest28-21ksoftirqd/220:30:112
3461991312,0cyclictest28-21ksoftirqd/200:20:152
3461991311,1cyclictest28-21ksoftirqd/223:25:122
3461991311,1cyclictest28-21ksoftirqd/220:10:012
346199130,13cyclictest0-21swapper/220:15:192
3461991212,0cyclictest28-21ksoftirqd/223:47:152
3461991211,1cyclictest28-21ksoftirqd/219:45:172
3461991211,1cyclictest28-21ksoftirqd/219:20:192
3461991211,0cyclictest28-21ksoftirqd/200:06:022
3461991210,1cyclictest28-21ksoftirqd/223:10:142
346199119,1cyclictest61650irq/122-eno122:00:172
346199119,1cyclictest28-21ksoftirqd/221:50:152
346199119,1cyclictest28-21ksoftirqd/200:40:002
3461991110,1cyclictest28-21ksoftirqd/223:15:112
3461991110,1cyclictest28-21ksoftirqd/219:55:142
3461991110,1cyclictest28-21ksoftirqd/219:50:172
3461991110,1cyclictest28-21ksoftirqd/219:30:182
3461991110,0cyclictest28-21ksoftirqd/223:55:172
344499119,1cyclictest9-21ksoftirqd/000:20:150
344499112,4cyclictest23596-21perf21:45:010
3444991110,1cyclictest9-21ksoftirqd/022:50:000
207882110,0sleep20-21swapper/200:30:322
346699109,1cyclictest35-21ksoftirqd/323:25:003
346699109,1cyclictest35-21ksoftirqd/322:55:003
346699109,1cyclictest35-21ksoftirqd/320:15:013
346199109,1cyclictest28-21ksoftirqd/222:50:142
346199109,1cyclictest28-21ksoftirqd/222:35:202
346199109,1cyclictest28-21ksoftirqd/221:25:132
346199109,1cyclictest28-21ksoftirqd/221:10:102
346199109,1cyclictest28-21ksoftirqd/221:00:112
346199108,2cyclictest28-21ksoftirqd/221:55:032
346199108,1cyclictest28-21ksoftirqd/223:05:142
346199108,1cyclictest28-21ksoftirqd/222:20:002
346199108,1cyclictest28-21ksoftirqd/221:40:132
346199108,1cyclictest28-21ksoftirqd/219:44:592
346199108,1cyclictest28-21ksoftirqd/219:15:012
346199108,1cyclictest28-21ksoftirqd/200:00:222
3461991010,0cyclictest28-21ksoftirqd/221:15:232
3461991010,0cyclictest0-21swapper/200:15:582
344499108,1cyclictest9-21ksoftirqd/021:30:120
195582100,0sleep20-21swapper/221:39:222
170872100,1sleep10-21swapper/100:25:381
34669999,0cyclictest35-21ksoftirqd/300:20:163
34669999,0cyclictest35-21ksoftirqd/300:05:013
34669998,1cyclictest35-21ksoftirqd/322:29:593
34669998,1cyclictest35-21ksoftirqd/300:17:003
34619999,0cyclictest28-21ksoftirqd/220:50:162
34619998,1cyclictest28-21ksoftirqd/223:00:112
34619998,1cyclictest28-21ksoftirqd/221:05:162
34619998,1cyclictest28-21ksoftirqd/220:00:182
34619998,1cyclictest28-21ksoftirqd/200:10:112
34619997,1cyclictest28-21ksoftirqd/223:35:172
34619997,1cyclictest28-21ksoftirqd/223:24:592
34619997,1cyclictest28-21ksoftirqd/222:55:142
34619997,1cyclictest28-21ksoftirqd/222:55:142
34619997,1cyclictest28-21ksoftirqd/222:10:142
34619992,7cyclictest28-21ksoftirqd/219:25:192
34449999,0cyclictest0-21swapper/020:07:050
34449998,1cyclictest9-21ksoftirqd/022:20:140
34449998,1cyclictest9-21ksoftirqd/000:20:000
34449997,1cyclictest9-21ksoftirqd/021:00:130
34449997,1cyclictest9-21ksoftirqd/020:15:160
34449997,1cyclictest9-21ksoftirqd/019:55:010
34449997,1cyclictest9-21ksoftirqd/000:25:150
34449992,6cyclictest16754-21ls20:45:000
34449991,1cyclictest9511-21ssh22:08:190
34669987,1cyclictest35-21ksoftirqd/321:10:183
34669987,1cyclictest35-21ksoftirqd/321:10:003
34669987,1cyclictest35-21ksoftirqd/320:45:013
34669981,4cyclictest10960-21taskset21:27:033
34619988,0cyclictest28-21ksoftirqd/222:25:142
34619987,1cyclictest28-21ksoftirqd/222:45:112
34619987,1cyclictest28-21ksoftirqd/222:07:392
34619987,1cyclictest28-21ksoftirqd/220:50:002
34619987,1cyclictest28-21ksoftirqd/220:25:172
34619987,1cyclictest28-21ksoftirqd/220:10:112
34619987,1cyclictest28-21ksoftirqd/219:15:022
34619987,1cyclictest28-21ksoftirqd/200:25:112
34619986,1cyclictest61650irq/122-eno121:45:212
34619986,1cyclictest28-21ksoftirqd/222:31:192
34619986,1cyclictest28-21ksoftirqd/221:30:082
34619986,1cyclictest28-21ksoftirqd/220:20:122
34619983,4cyclictest28-21ksoftirqd/223:40:102
34509984,0cyclictest0-21swapper/122:45:381
34509980,3cyclictest0-21swapper/122:39:041
34509980,2cyclictest0-21swapper/120:10:111
34449988,0cyclictest9-21ksoftirqd/019:40:180
34449988,0cyclictest9-21ksoftirqd/000:05:010
34449987,1cyclictest9-21ksoftirqd/023:55:000
34449987,1cyclictest9-21ksoftirqd/023:15:200
34449987,1cyclictest9-21ksoftirqd/022:40:000
34449987,1cyclictest9-21ksoftirqd/021:55:000
34449987,1cyclictest9-21ksoftirqd/020:55:120
34449986,1cyclictest9-21ksoftirqd/023:55:130
34449986,1cyclictest9-21ksoftirqd/021:10:010
34449986,1cyclictest9-21ksoftirqd/020:45:370
34449986,1cyclictest28681-21ssh22:34:000
34449986,1cyclictest0-21swapper/022:14:050
34449983,4cyclictest5838-21perf19:15:000
34449982,3cyclictest28715-21diskmemload23:30:000
34449982,3cyclictest28715-21diskmemload22:25:040
34449980,7cyclictest3392-21ssh21:18:110
34449980,6cyclictest23797-21ssh21:45:040
34449980,1cyclictest7314-21ssh21:22:560
6082270,5sleep06090-21apt-get23:30:100
34669977,0cyclictest35-21ksoftirqd/323:30:123
34669977,0cyclictest35-21ksoftirqd/322:10:133
34669977,0cyclictest35-21ksoftirqd/319:25:013
34669976,1cyclictest3680-21cat20:15:143
34669976,1cyclictest35-21ksoftirqd/323:35:143
34669976,1cyclictest35-21ksoftirqd/322:10:003
34669976,1cyclictest35-21ksoftirqd/320:45:133
34669976,1cyclictest35-21ksoftirqd/320:35:363
34669976,1cyclictest35-21ksoftirqd/319:55:003
34669976,0cyclictest35-21ksoftirqd/323:25:133
34669975,1cyclictest35-21ksoftirqd/322:45:013
34669974,1cyclictest240-21systemd-journal23:54:323
34669974,1cyclictest240-21systemd-journal00:33:323
34669973,2cyclictest240-21systemd-journal23:45:163
34669973,2cyclictest240-21systemd-journal22:59:463
34669973,2cyclictest240-21systemd-journal22:59:453
34669973,2cyclictest240-21systemd-journal22:33:303
34669973,2cyclictest240-21systemd-journal22:02:443
34669973,2cyclictest240-21systemd-journal00:25:173
34669972,5cyclictest12419-21kworker/u8:121:39:553
34669972,3cyclictest4035-21aten_r1power_fr00:10:133
34669970,4cyclictest0-21swapper/321:30:133
34669970,3cyclictest19318-21ntp_states22:20:173
34669970,3cyclictest0-21swapper/321:56:113
34619975,1cyclictest22263-21cut20:55:132
34619970,7cyclictest0-21swapper/219:35:122
34509973,2cyclictest27098-21chrt21:49:301
34509971,5cyclictest0-21swapper/123:10:111
34509971,2cyclictest0-21swapper/121:13:041
34509970,3cyclictest0-21swapper/119:44:591
34509970,1cyclictest0-21swapper/121:15:111
34509970,1cyclictest0-21swapper/100:15:121
34449976,1cyclictest9-21ksoftirqd/023:05:160
34449975,1cyclictest9-21ksoftirqd/022:00:160
34449972,4cyclictest13604-21latency_hist19:30:000
34449971,2cyclictest28671-21ssh00:00:120
34449970,7cyclictest0-21swapper/022:52:150
34449970,6cyclictest8701-21cpuspeed_turbos21:25:120
34449970,6cyclictest28715-21diskmemload23:45:220
34449970,6cyclictest28715-21diskmemload21:55:090
34449970,6cyclictest28715-21diskmemload00:11:540
34449970,6cyclictest0-21swapper/023:10:130
34449970,6cyclictest0-21swapper/022:15:380
34449970,6cyclictest0-21swapper/020:32:380
34449970,6cyclictest0-21swapper/020:00:130
34449970,5cyclictest24505-21ssh00:35:260
34449970,5cyclictest0-21swapper/022:55:120
34449970,5cyclictest0-21swapper/022:55:120
34449970,2cyclictest0-21swapper/021:11:270
34449970,1cyclictest28715-21diskmemload23:00:150
34449970,1cyclictest28715-21diskmemload22:40:060
34449970,1cyclictest18944-21ssh00:30:110
34449970,0cyclictest0-21swapper/020:35:140
34669965,1cyclictest7791-21ssh21:24:033
34669965,1cyclictest35-21ksoftirqd/323:05:003
34669965,1cyclictest35-21ksoftirqd/319:15:153
34669965,1cyclictest22236-21ssh21:41:183
34669965,1cyclictest16990-21ssh22:18:153
34669964,0cyclictest28715-21diskmemload23:40:063
34669963,1cyclictest9907-21aten_r1power_cu20:30:113
34669963,1cyclictest548-21systemd-logind23:57:083
34669963,1cyclictest294-21systemd-udevd21:51:083
34669963,1cyclictest240-21systemd-journal23:19:323
34669963,1cyclictest240-21systemd-journal22:35:013
34669963,1cyclictest240-21systemd-journal21:45:153
34669963,1cyclictest240-21systemd-journal20:50:283
34669963,1cyclictest240-21systemd-journal20:28:283
34669963,1cyclictest240-21systemd-journal20:00:263
34669963,1cyclictest240-21systemd-journal19:45:113
34669963,1cyclictest240-21systemd-journal19:25:103
34669961,4cyclictest27647-21runrttasks19:57:023
34669961,4cyclictest22943-1kworker/u9:023:10:593
34669961,2cyclictest572-21nscd21:00:163
34669961,2cyclictest0-21swapper/319:39:593
34669961,1cyclictest1597-21ntp_states21:15:183
34669960,5cyclictest0-21swapper/322:45:113
34669960,1cyclictest23239-21fschecks_count00:35:163
34509961,2cyclictest0-21swapper/123:15:201
34509960,6cyclictest0-21swapper/122:00:181
34509960,5cyclictest0-21swapper/123:30:131
34509960,5cyclictest0-21swapper/122:10:191
34509960,5cyclictest0-21swapper/120:15:151
34509960,3cyclictest0-21swapper/122:18:251
34509960,2cyclictest0-21swapper/120:55:001
34509960,1cyclictest0-21swapper/123:35:111
34509960,1cyclictest0-21swapper/122:55:191
34509960,1cyclictest0-21swapper/122:55:181
34509960,1cyclictest0-21swapper/119:15:141
34509960,0cyclictest0-21swapper/123:00:161
34509960,0cyclictest0-21swapper/122:30:351
34509960,0cyclictest0-21swapper/122:08:201
34509960,0cyclictest0-21swapper/121:55:001
34509960,0cyclictest0-21swapper/121:36:351
34509960,0cyclictest0-21swapper/121:30:151
34509960,0cyclictest0-21swapper/121:22:551
34449965,1cyclictest9-21ksoftirqd/020:50:150
34449964,1cyclictest9-21ksoftirqd/019:30:140
34449962,1cyclictest389-21/usr/sbin/munin20:10:190
34449961,1cyclictest7520-21/usr/sbin/munin20:25:130
34449960,6cyclictest0-21swapper/020:20:370
34449960,6cyclictest0-21swapper/019:35:120
34449960,6cyclictest0-21swapper/019:17:010
34449960,5cyclictest30597-1kworker/u9:023:40:060
34449960,5cyclictest0-21swapper/023:20:120
34449960,0cyclictest0-21swapper/019:45:010
34449960,0cyclictest0-21swapper/019:20:170
12148260,0sleep10-21swapper/100:20:161
34669954,1cyclictest35-21ksoftirqd/323:05:153
34669954,1cyclictest35-21ksoftirqd/319:30:003
34669953,1cyclictest28715-21diskmemload00:00:073
34669952,1cyclictest240-21systemd-journal19:40:013
34669951,2cyclictest240-21systemd-journal19:13:253
34669951,1cyclictest30499-21/usr/sbin/munin20:05:203
34509955,0cyclictest0-21swapper/121:40:351
34509955,0cyclictest0-21swapper/121:05:121
34509953,1cyclictest5499-21chrt19:11:371
34509953,1cyclictest277672sleep119:58:351
34509953,1cyclictest19329-21chrt23:45:471
34509951,3cyclictest203-21jbd2/sda2-800:13:081
34509951,3cyclictest0-21swapper/120:20:181
34509951,2cyclictest0-21swapper/122:50:121
34509951,2cyclictest0-21swapper/121:25:331
34509950,5cyclictest0-21swapper/123:55:471
34509950,5cyclictest0-21swapper/121:50:111
34509950,5cyclictest0-21swapper/120:06:071
34509950,5cyclictest0-21swapper/100:37:361
34509950,5cyclictest0-21swapper/100:30:111
34509950,3cyclictest0-21swapper/100:01:441
34509950,2cyclictest0-21swapper/123:50:111
34509950,2cyclictest0-21swapper/123:26:411
34509950,2cyclictest0-21swapper/123:20:001
34509950,2cyclictest0-21swapper/123:07:531
34509950,2cyclictest0-21swapper/122:28:091
34509950,2cyclictest0-21swapper/120:55:191
34509950,2cyclictest0-21swapper/119:30:111
34509950,2cyclictest0-21swapper/100:05:151
34509950,0cyclictest0-21swapper/122:44:231
34509950,0cyclictest0-21swapper/120:38:441
34509950,0cyclictest0-21swapper/119:35:181
34669943,1cyclictest22061-21expr20:55:133
34509942,1cyclictest18736-21chrt20:45:451
34509942,1cyclictest10984-21chrt19:22:271
34509941,3cyclictest0-21swapper/120:31:181
34509940,4cyclictest0-21swapper/119:51:491
34509940,3cyclictest0-21swapper/123:40:361
34509940,3cyclictest0-21swapper/120:00:111
34509940,1cyclictest0-21swapper/122:20:131
34509940,1cyclictest0-21swapper/121:00:181
34509940,1cyclictest0-21swapper/119:25:161
34509940,0cyclictest0-21swapper/119:45:151
34509931,1cyclictest0-21swapper/120:40:121
34509930,0cyclictest0-21swapper/120:25:191
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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