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2026-09-15 - 02:54
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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 Sep 15, 2026 00:45:12)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
249442214149,21sleep00-21swapper/019:06:270
250422210149,48sleep20-21swapper/219:07:412
251552208169,25sleep30-21swapper/319:09:113
231082201164,24sleep10-21swapper/119:05:081
178132730,0sleep00-21swapper/021:55:000
314122540,0sleep00-21swapper/019:20:130
236132180,1sleep2271rcuc/222:47:452
260272170,0sleep00-21swapper/022:50:190
25313991513,1cyclictest9-21ksoftirqd/022:24:590
2531399133,5cyclictest27660-21python19:15:010
25313991313,0cyclictest0-21swapper/021:25:270
25338991210,1cyclictest17957-21diskmemload21:28:013
25313991210,1cyclictest9-21ksoftirqd/022:15:000
25313991110,1cyclictest9-21ksoftirqd/023:00:010
2533099100,5cyclictest17957-21diskmemload23:25:112
253282100,0sleep20-21swapper/200:22:222
2531399109,1cyclictest9-21ksoftirqd/021:25:000
2531399108,1cyclictest9-21ksoftirqd/022:46:190
2531399103,4cyclictest13895-21perf22:35:000
25313991010,0cyclictest9-21ksoftirqd/022:40:000
25313991010,0cyclictest9-21ksoftirqd/000:00:000
2531399100,5cyclictest9591-21apt-get23:15:090
253389999,0cyclictest35-21ksoftirqd/300:29:093
253309990,4cyclictest14384-21apt-get21:50:112
253139998,1cyclictest9-21ksoftirqd/021:50:010
253389986,1cyclictest11301-21snmpd23:56:523
253389986,1cyclictest11301-21snmpd19:40:063
253389982,3cyclictest31581-21apt-get23:00:123
253389980,5cyclictest0-21swapper/323:28:443
253389980,3cyclictest0-21swapper/322:55:123
253389980,3cyclictest0-21swapper/321:17:533
253309987,1cyclictest28-21ksoftirqd/222:55:002
253309986,1cyclictest61650irq/122-eno122:35:142
253309986,1cyclictest61650irq/122-eno121:30:202
253309986,1cyclictest61650irq/122-eno121:20:132
253309986,1cyclictest61650irq/122-eno119:55:012
253309986,1cyclictest61650irq/122-eno100:10:152
253309985,2cyclictest1467-21apt-get20:35:122
253309982,0cyclictest17957-21diskmemload23:50:172
253139987,1cyclictest9-21ksoftirqd/023:35:160
253139987,1cyclictest9-21ksoftirqd/023:35:160
253139987,1cyclictest9-21ksoftirqd/023:10:110
253139987,1cyclictest9-21ksoftirqd/021:15:000
253139986,1cyclictest9-21ksoftirqd/000:10:010
253139986,1cyclictest11301-21snmpd21:07:410
253139986,1cyclictest11301-21snmpd20:32:260
253139985,2cyclictest5075-21ntpq21:35:180
253139980,7cyclictest21527-21swap23:30:190
253139980,4cyclictest17957-21diskmemload00:21:070
253389977,0cyclictest0-21swapper/300:14:303
253389976,1cyclictest6445-21cat19:35:143
253389976,0cyclictest1812-21apt-get23:50:123
253389975,1cyclictest11814-21cat21:45:153
253389975,1cyclictest11301-21snmpd20:16:343
253389975,1cyclictest11301-21snmpd19:46:403
253389973,2cyclictest0-21swapper/323:18:333
253389971,4cyclictest22042-21runrttasks00:18:073
253389971,4cyclictest17957-21diskmemload23:35:203
253389971,4cyclictest17957-21diskmemload23:35:193
253389971,3cyclictest20660-21fschecks_count23:30:143
253389970,6cyclictest17957-21diskmemload22:46:023
253389970,6cyclictest17383-21apt-get20:00:133
253389970,5cyclictest1569-21fschecks_time19:25:143
253389970,3cyclictest0-21swapper/322:13:533
253389970,2cyclictest3605-21awk21:35:003
253389970,2cyclictest0-21swapper/323:49:323
253389970,2cyclictest0-21swapper/322:02:073
253389970,1cyclictest0-21swapper/322:20:153
253309976,1cyclictest61650irq/122-eno123:56:312
253309976,1cyclictest61650irq/122-eno123:42:252
253309976,1cyclictest61650irq/122-eno123:15:142
253309976,1cyclictest61650irq/122-eno122:18:552
253309976,1cyclictest61650irq/122-eno121:45:162
253309976,1cyclictest61650irq/122-eno119:25:132
253309976,1cyclictest4895-21ntpq22:20:172
253309976,1cyclictest28-21ksoftirqd/222:00:192
253309976,0cyclictest61650irq/122-eno123:00:232
253309976,0cyclictest61650irq/122-eno119:20:112
253309975,1cyclictest61650irq/122-eno120:20:012
253309973,3cyclictest13127-21apt-get23:20:152
253309973,2cyclictest240-21systemd-journal20:30:012
253309971,6cyclictest0-21swapper/200:18:262
253309971,3cyclictest61650irq/122-eno122:30:072
253309970,6cyclictest5969-21expr19:35:132
253309970,6cyclictest0-21swapper/223:05:132
253309970,6cyclictest0-21swapper/222:28:122
253309970,6cyclictest0-21swapper/219:32:382
253309970,3cyclictest0-21swapper/223:35:402
253309970,3cyclictest0-21swapper/223:35:392
253309970,1cyclictest21878-21head21:15:132
253219976,1cyclictest0-21swapper/121:00:151
253219972,2cyclictest0-21swapper/123:55:171
253219970,6cyclictest0-21swapper/120:47:231
253219970,3cyclictest0-21swapper/100:30:121
253219970,1cyclictest0-21swapper/121:55:521
253139976,1cyclictest11301-21snmpd19:29:330
253139975,1cyclictest9-21ksoftirqd/023:30:000
253139975,1cyclictest9-21ksoftirqd/019:54:590
253139975,1cyclictest4376-21ssh23:52:560
253139975,1cyclictest19880-21ssh22:41:550
253139975,1cyclictest1405-21readlink22:15:180
253139975,1cyclictest11301-21snmpd23:44:400
253139975,1cyclictest11301-21snmpd21:02:540
253139975,1cyclictest11301-21snmpd20:35:220
253139975,1cyclictest11301-21snmpd20:00:090
253139975,0cyclictest17957-21diskmemload21:18:040
253139974,2cyclictest10082-21idleruntime-cro19:45:000
253139973,0cyclictest0-21swapper/021:55:150
253139971,4cyclictest17957-21diskmemload00:27:560
253139970,7cyclictest13102-21ssh23:20:110
253139970,6cyclictest7559-21ntp_states20:45:180
253139970,6cyclictest7520-1kworker/u9:200:05:190
253139970,6cyclictest7520-1kworker/u9:200:00:180
253139970,6cyclictest31577-21ssh23:00:110
253139970,6cyclictest30771-21apt-get23:45:120
253139970,6cyclictest2644-21apt-get23:05:100
253139970,6cyclictest0-21swapper/022:05:140
253139970,4cyclictest5390-21perf19:35:000
253139970,1cyclictest9528-21ssh21:41:280
253139970,1cyclictest240-21systemd-journal00:39:590
253139970,1cyclictest21690-21aten_r1power_po22:00:130
253139970,1cyclictest0-21swapper/020:15:180
253139970,1cyclictest0-21swapper/019:15:200
253139970,1cyclictest0-21swapper/000:15:140
253389965,1cyclictest9616-21ssh21:41:443
253389965,1cyclictest26861-21ssh22:52:003
253389965,1cyclictest19958-21ssh21:55:423
253389965,1cyclictest18204-21ssh21:10:093
253389965,1cyclictest18070-21ssh22:40:123
253389965,1cyclictest16535-21ssh21:51:343
253389965,1cyclictest14377-21cat21:00:173
253389965,1cyclictest13612-21ssh22:34:133
253389965,1cyclictest11301-21snmpd23:42:193
253389965,1cyclictest11301-21snmpd21:22:213
253389965,1cyclictest11301-21snmpd20:33:463
253389965,1cyclictest11301-21snmpd19:17:483
253389965,1cyclictest11301-21snmpd00:35:443
253389965,1cyclictest11301-21snmpd00:22:233
253389964,1cyclictest11301-21snmpd20:14:463
253389964,1cyclictest11301-21snmpd19:55:193
253389964,1cyclictest11301-21snmpd19:12:083
253389964,1cyclictest10858-21sshd00:00:363
253389963,2cyclictest17957-21diskmemload23:20:233
253389963,1cyclictest548-21systemd-logind20:50:193
253389963,1cyclictest240-21systemd-journal20:44:553
253389962,1cyclictest371-21ssh22:15:123
253389960,4cyclictest0-21swapper/300:05:113
253389960,3cyclictest0-21swapper/319:30:103
253389960,2cyclictest0-21swapper/323:05:103
253389960,2cyclictest0-21swapper/320:35:133
253389960,1cyclictest14353-21cpuspeed_turbos22:35:123
253389960,1cyclictest0-21swapper/323:10:363
253309966,0cyclictest61650irq/122-eno122:55:392
253309966,0cyclictest61650irq/122-eno122:05:122
253309966,0cyclictest61650irq/122-eno121:57:302
253309966,0cyclictest61650irq/122-eno121:43:002
253309966,0cyclictest61650irq/122-eno121:35:012
253309966,0cyclictest61650irq/122-eno121:10:182
253309966,0cyclictest61650irq/122-eno121:05:162
253309966,0cyclictest61650irq/122-eno121:01:382
253309966,0cyclictest61650irq/122-eno120:44:492
253309966,0cyclictest61650irq/122-eno120:20:142
253309966,0cyclictest61650irq/122-eno120:10:102
253309966,0cyclictest61650irq/122-eno120:05:122
253309966,0cyclictest61650irq/122-eno119:55:572
253309966,0cyclictest61650irq/122-eno100:35:292
253309966,0cyclictest61650irq/122-eno100:06:112
253309965,1cyclictest61650irq/122-eno123:45:122
253309965,1cyclictest61650irq/122-eno120:45:122
253309965,1cyclictest61650irq/122-eno100:01:432
253309964,1cyclictest61650irq/122-eno122:40:032
253309964,1cyclictest61650irq/122-eno122:10:162
253309964,1cyclictest61650irq/122-eno100:30:122
253309960,6cyclictest0-21swapper/220:04:182
253309960,4cyclictest28021-21timerwakeupswit00:25:192
253309960,4cyclictest0-21swapper/219:45:172
253309960,3cyclictest0-21swapper/223:10:102
253309960,1cyclictest0-21swapper/223:30:432
253309960,0cyclictest0-21swapper/221:25:472
253219961,2cyclictest0-21swapper/123:30:121
253219960,6cyclictest0-21swapper/123:53:591
253219960,6cyclictest0-21swapper/122:41:081
253219960,6cyclictest0-21swapper/122:25:141
253219960,6cyclictest0-21swapper/122:02:031
253219960,6cyclictest0-21swapper/121:17:001
253219960,6cyclictest0-21swapper/121:10:381
253219960,6cyclictest0-21swapper/120:55:141
253219960,6cyclictest0-21swapper/120:11:041
253219960,6cyclictest0-21swapper/100:27:341
253219960,6cyclictest0-21swapper/100:21:451
253219960,5cyclictest0-21swapper/122:50:271
253219960,5cyclictest0-21swapper/119:39:551
253219960,4cyclictest0-21swapper/122:59:381
253219960,4cyclictest0-21swapper/122:35:211
253219960,4cyclictest0-21swapper/121:52:181
253219960,4cyclictest0-21swapper/119:30:141
253219960,1cyclictest0-21swapper/123:41:371
253219960,1cyclictest0-21swapper/123:03:311
253219960,1cyclictest0-21swapper/122:30:531
253219960,1cyclictest0-21swapper/122:17:081
253219960,1cyclictest0-21swapper/121:30:161
253219960,0cyclictest0-21swapper/121:27:061
253139966,0cyclictest0-21swapper/019:45:030
253139965,1cyclictest9-21ksoftirqd/020:40:000
253139965,1cyclictest1076-21ssh21:30:160
253139964,1cyclictest30663-21threads20:25:190
253139961,4cyclictest7212-21telnet22:25:110
253139961,4cyclictest29909-21apt-get00:30:120
253139960,6cyclictest0-21swapper/020:10:370
253139960,6cyclictest0-21swapper/019:56:010
253139960,5cyclictest0-21swapper/020:56:410
253139960,5cyclictest0-21swapper/019:35:120
253139960,3cyclictest0-21swapper/020:20:110
253139960,0cyclictest0-21swapper/020:05:160
253389955,0cyclictest0-21swapper/320:20:023
253389954,1cyclictest3855-21ssh21:35:063
253389953,1cyclictest30002-21aten2.4-expect00:30:143
253389953,1cyclictest11301-21snmpd20:05:033
253389951,1cyclictest12774-21aten_r1power_po19:50:123
253389950,2cyclictest0-21swapper/322:25:043
253389950,0cyclictest0-21swapper/322:05:503
253309955,0cyclictest61650irq/122-eno120:25:252
253309953,1cyclictest8772-21grep19:40:162
253309953,1cyclictest0-21swapper/219:10:112
253309951,1cyclictest240-21systemd-journal20:55:002
253309950,1cyclictest9466-21/usr/sbin/munin20:50:132
253309950,1cyclictest0-21swapper/219:15:152
253219954,1cyclictest0-21swapper/121:47:581
253219954,1cyclictest0-21swapper/120:29:351
253219952,2cyclictest0-21swapper/123:29:561
253219952,0cyclictest0-21swapper/123:20:161
253219951,2cyclictest0-21swapper/121:05:161
253219951,1cyclictest0-21swapper/123:10:151
253219951,1cyclictest0-21swapper/122:45:111
253219950,5cyclictest0-21swapper/123:35:081
253219950,5cyclictest0-21swapper/123:35:071
253219950,5cyclictest0-21swapper/123:18:311
253219950,5cyclictest0-21swapper/122:05:171
253219950,5cyclictest0-21swapper/120:43:381
253219950,5cyclictest0-21swapper/119:47:431
253219950,5cyclictest0-21swapper/119:14:041
253219950,5cyclictest0-21swapper/100:38:461
253219950,5cyclictest0-21swapper/100:15:331
253219950,5cyclictest0-21swapper/100:02:281
253219950,4cyclictest0-21swapper/122:23:361
253219950,4cyclictest0-21swapper/120:50:061
253219950,4cyclictest0-21swapper/120:38:051
253219950,3cyclictest0-21swapper/123:05:171
253219950,3cyclictest0-21swapper/122:13:311
253219950,3cyclictest0-21swapper/121:40:201
253219950,1cyclictest0-21swapper/120:30:121
253219950,0cyclictest0-21swapper/119:54:421
253139950,4cyclictest0-21swapper/020:50:110
253389944,0cyclictest29904-21tail20:25:143
253389941,3cyclictest11436-21cstates20:55:123
253389941,1cyclictest7623-21/usr/sbin/munin20:45:183
253389940,1cyclictest17002-21ntpq21:05:173
253389940,1cyclictest0-21swapper/319:20:123
253219943,1cyclictest0-21swapper/121:20:581
253219940,4cyclictest0-21swapper/120:05:161
253219940,4cyclictest0-21swapper/120:03:131
253219940,4cyclictest0-21swapper/119:58:511
253219940,4cyclictest0-21swapper/119:15:011
253219940,2cyclictest0-21swapper/100:12:061
253219940,1cyclictest0-21swapper/123:45:071
253219940,1cyclictest0-21swapper/121:38:331
253219940,1cyclictest0-21swapper/120:20:101
253219940,1cyclictest0-21swapper/119:20:131
253219940,1cyclictest0-21swapper/100:05:081
253219932,1cyclictest7946-21chrt19:40:121
253219931,1cyclictest8552sleep119:25:111
253219931,1cyclictest26245-21chrt20:16:011
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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