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2026-07-10 - 13:13
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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 Fri Jul 10, 2026 00:45:13)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
252122214149,21sleep00-21swapper/019:06:510
251672206166,27sleep20-21swapper/219:06:182
251582200162,25sleep30-21swapper/319:06:093
252532198151,35sleep10-21swapper/119:07:241
173742740,0sleep121-21ksoftirqd/123:20:121
178862610,1sleep12554099cyclictest21:50:481
25548991816,0cyclictest28-21ksoftirqd/223:08:482
25548991616,0cyclictest28-21ksoftirqd/200:01:102
259362140,0sleep10-21swapper/100:15:151
25548991312,1cyclictest28-21ksoftirqd/221:35:142
25548991211,1cyclictest28-21ksoftirqd/221:15:252
2554899117,1cyclictest28-21ksoftirqd/222:10:322
25548991110,1cyclictest28-21ksoftirqd/223:55:162
25548991110,1cyclictest28-21ksoftirqd/223:20:152
25548991110,1cyclictest28-21ksoftirqd/221:55:192
25548991110,1cyclictest28-21ksoftirqd/221:46:272
25548991110,1cyclictest28-21ksoftirqd/221:46:272
2553199112,4cyclictest3258-21sed19:30:000
25531991110,1cyclictest9-21ksoftirqd/021:55:000
2555399109,1cyclictest35-21ksoftirqd/320:00:013
2555399108,1cyclictest35-21ksoftirqd/321:10:003
2554899109,1cyclictest28-21ksoftirqd/223:44:432
2554899109,1cyclictest28-21ksoftirqd/223:00:192
2554899109,1cyclictest28-21ksoftirqd/222:05:142
2554899109,1cyclictest28-21ksoftirqd/221:51:562
2554899109,1cyclictest28-21ksoftirqd/221:30:132
2554899109,1cyclictest28-21ksoftirqd/221:20:162
2554899109,1cyclictest28-21ksoftirqd/221:00:142
2554899109,1cyclictest28-21ksoftirqd/200:34:162
2554899109,1cyclictest28-21ksoftirqd/200:20:392
2554899109,0cyclictest28-21ksoftirqd/222:20:012
2554899108,1cyclictest28-21ksoftirqd/200:36:092
2554899100,0cyclictest0-21swapper/222:41:432
255539998,1cyclictest35-21ksoftirqd/300:40:003
255539992,3cyclictest0-21swapper/321:35:183
255489999,0cyclictest28-21ksoftirqd/223:25:142
255489998,1cyclictest28-21ksoftirqd/223:51:212
255489998,1cyclictest28-21ksoftirqd/223:35:092
255489998,1cyclictest28-21ksoftirqd/223:30:032
255489998,1cyclictest28-21ksoftirqd/222:55:222
255489998,1cyclictest28-21ksoftirqd/222:50:162
255489998,1cyclictest28-21ksoftirqd/222:32:362
255489998,1cyclictest28-21ksoftirqd/222:26:372
255489998,1cyclictest28-21ksoftirqd/222:02:452
255489998,1cyclictest28-21ksoftirqd/221:10:512
255489998,1cyclictest28-21ksoftirqd/220:30:152
255489998,1cyclictest28-21ksoftirqd/219:30:172
255489998,1cyclictest28-21ksoftirqd/219:10:132
255489998,1cyclictest28-21ksoftirqd/200:29:302
255489998,1cyclictest28-21ksoftirqd/200:18:442
255489996,1cyclictest28-21ksoftirqd/223:15:182
255489990,1cyclictest5607-21/usr/sbin/munin22:20:202
255319990,5cyclictest0-21swapper/023:15:130
4130280,1sleep00-21swapper/022:16:360
255539987,1cyclictest35-21ksoftirqd/319:15:003
255539987,1cyclictest35-21ksoftirqd/300:05:003
255539986,1cyclictest35-21ksoftirqd/322:46:303
255539985,2cyclictest18402-21diskmemload23:45:563
255539980,6cyclictest0-21swapper/321:34:163
255489988,0cyclictest28-21ksoftirqd/220:55:172
255489988,0cyclictest28-21ksoftirqd/220:35:172
255489987,1cyclictest28-21ksoftirqd/223:10:132
255489987,1cyclictest28-21ksoftirqd/222:35:152
255489987,1cyclictest28-21ksoftirqd/221:26:062
255489987,1cyclictest28-21ksoftirqd/200:10:272
255489987,1cyclictest28-21ksoftirqd/200:06:492
255489986,1cyclictest61650irq/122-eno122:45:132
255489986,1cyclictest28-21ksoftirqd/220:20:212
255489980,5cyclictest3220-21apt23:45:122
255489980,4cyclictest18402-21diskmemload21:40:122
255409980,8cyclictest0-21swapper/121:13:111
255319988,0cyclictest9-21ksoftirqd/023:38:080
255319986,1cyclictest25435-21ssh23:30:140
255319984,2cyclictest548-21systemd-logind22:50:200
255319981,4cyclictest18402-21diskmemload00:30:150
255319981,3cyclictest16272-21perf22:35:000
255319980,7cyclictest18624-21ssh21:10:050
255319980,6cyclictest18665-21kworker/u8:021:19:230
255319980,4cyclictest27258-21ls20:20:000
255319980,3cyclictest26853-21hddtemp_smartct21:20:160
255319980,1cyclictest9222-21ssh22:25:100
255539975,1cyclictest8537-21ssh22:23:493
255539975,1cyclictest1817-21ssh23:41:413
255539975,1cyclictest16389-21ssh23:18:223
255539974,1cyclictest548-21systemd-logind23:35:203
255539971,3cyclictest18402-21diskmemload22:19:303
255539970,6cyclictest23681-21ntpq20:10:163
255539970,6cyclictest18402-21diskmemload22:27:043
255539970,4cyclictest18402-21diskmemload00:05:103
255539970,4cyclictest0-21swapper/323:20:143
255539970,4cyclictest0-21swapper/322:55:163
255539970,3cyclictest0-21swapper/323:59:563
255539970,3cyclictest0-21swapper/300:15:153
255489977,0cyclictest28-21ksoftirqd/219:15:182
255489976,1cyclictest61650irq/122-eno119:35:142
255489976,1cyclictest28-21ksoftirqd/219:55:132
255489975,1cyclictest28-21ksoftirqd/220:55:002
255489975,1cyclictest28-21ksoftirqd/220:15:002
255489975,1cyclictest28-21ksoftirqd/219:40:152
255489975,1cyclictest28-21ksoftirqd/219:25:002
255409971,3cyclictest0-21swapper/121:15:191
255409970,4cyclictest0-21swapper/122:45:231
255319976,1cyclictest658-21ssh22:12:090
255319976,1cyclictest3615-21cat23:00:180
255319976,1cyclictest18100-21sshd21:06:300
255319975,1cyclictest3472-21tr23:45:130
255319975,1cyclictest22293-21munin-run20:10:000
255319975,1cyclictest21269-21cat22:40:160
255319974,2cyclictest583-21in:imuxsock21:50:010
255319974,2cyclictest583-21in:imuxsock21:50:000
255319973,2cyclictest240-21systemd-journal21:00:000
255319971,6cyclictest9545-21ssh23:53:020
255319970,7cyclictest0-21swapper/022:20:200
255319970,6cyclictest8820-21sendmail_mailst00:35:200
255319970,6cyclictest32351-21ssh00:25:050
255319970,6cyclictest31104-21proc_pri21:25:210
255319970,6cyclictest29778-21ssh00:20:180
255319970,6cyclictest28769-21ssh22:05:400
255319970,6cyclictest22918-21ssh23:26:070
255319970,6cyclictest18402-21diskmemload21:35:460
255319970,6cyclictest17577-21munin-run20:00:000
255319970,6cyclictest11680-21seq23:55:190
255319970,6cyclictest0-21swapper/020:35:130
255319970,2cyclictest240-21systemd-journal19:50:000
255319970,1cyclictest4612-21ntp_states19:30:170
255319970,1cyclictest31284-21apt-get22:55:130
255319970,1cyclictest19560-21grep00:05:230
255319970,1cyclictest18402-21diskmemload00:00:500
255319970,1cyclictest1114-21ssh21:30:030
255319970,1cyclictest0-21swapper/022:36:570
255319970,1cyclictest0-21swapper/021:00:210
255539965,1cyclictest625-21cat20:30:153
255539965,1cyclictest31730-21ssh21:25:463
255539965,1cyclictest30827-21ssh00:21:163
255539965,1cyclictest22072-21ssh21:15:033
255539965,1cyclictest18797-21ssh21:53:313
255539965,1cyclictest13207-21cstates22:30:153
255539964,1cyclictest8959-21idleruntime-cro20:50:003
255539964,1cyclictest32452-21head22:10:203
255539964,1cyclictest24542-21ssh00:14:143
255539964,1cyclictest18402-21diskmemload00:30:323
255539964,1cyclictest10913-21ssh21:41:363
255539963,1cyclictest568-21nscd00:25:083
255539963,1cyclictest548-21systemd-logind20:19:083
255539963,1cyclictest240-21systemd-journal22:09:543
255539963,1cyclictest240-21systemd-journal21:05:003
255539963,1cyclictest240-21systemd-journal19:34:553
255539962,3cyclictest16500-21/usr/sbin/munin22:35:133
255539962,2cyclictest240-21systemd-journal19:20:513
255539961,3cyclictest8380-21apt-get19:40:123
255539961,3cyclictest18402-21diskmemload23:50:493
255539961,3cyclictest18402-21diskmemload23:27:543
255539961,2cyclictest20006-21sendmail_mailst21:10:183
255539961,2cyclictest18402-21diskmemload21:22:463
255539961,2cyclictest0-21swapper/321:56:473
255539961,1cyclictest18402-21diskmemload22:40:183
255539960,5cyclictest10564-21systemctl20:50:193
255539960,4cyclictest18402-21diskmemload22:50:403
255539960,4cyclictest0-21swapper/321:45:523
255539960,4cyclictest0-21swapper/321:45:523
255539960,4cyclictest0-21swapper/320:55:143
255539960,3cyclictest0-21swapper/322:00:593
255539960,2cyclictest0-21swapper/323:11:283
255539960,2cyclictest0-21swapper/323:06:083
255539960,1cyclictest30051-21cpuspeed_turbos20:25:143
255539960,1cyclictest0-21swapper/319:25:133
255539960,0cyclictest0-21swapper/323:01:033
255489966,0cyclictest61650irq/122-eno120:00:212
255489966,0cyclictest27925-21kworker/2:220:40:102
255489966,0cyclictest27925-21kworker/2:220:25:182
255489965,1cyclictest28-21ksoftirqd/221:05:012
255489965,1cyclictest28-21ksoftirqd/220:05:122
255489965,1cyclictest28-21ksoftirqd/219:50:202
255489965,1cyclictest28-21ksoftirqd/219:45:132
255489960,6cyclictest0-21swapper/220:45:182
255489960,1cyclictest1093-21apt-get19:25:122
255489960,1cyclictest0-21swapper/220:15:172
255409963,0cyclictest0-21swapper/123:40:211
255409960,6cyclictest0-21swapper/121:25:181
255409960,5cyclictest0-21swapper/123:05:181
255409960,4cyclictest0-21swapper/123:46:121
255409960,4cyclictest0-21swapper/123:26:161
255409960,4cyclictest0-21swapper/121:35:081
255409960,3cyclictest0-21swapper/100:05:001
255409960,2cyclictest0-21swapper/120:45:121
255409960,2cyclictest0-21swapper/100:34:211
255409960,0cyclictest0-21swapper/122:55:131
255409960,0cyclictest0-21swapper/121:23:161
255409960,0cyclictest0-21swapper/100:29:561
255319965,1cyclictest8459-21ssh23:06:230
255319965,1cyclictest30975-21ntpq20:25:180
255319964,1cyclictest9-21ksoftirqd/020:48:170
255319964,1cyclictest9-21ksoftirqd/019:20:100
255319964,1cyclictest22567-21aten_r1power_en20:10:110
255319963,2cyclictest10519-21fschecks_count23:10:130
255319963,1cyclictest240-21systemd-journal20:23:530
255319963,1cyclictest18402-21diskmemload21:55:220
255319962,4cyclictest0-21swapper/019:15:000
255319960,6cyclictest18402-21diskmemload23:40:420
255319960,6cyclictest0-21swapper/022:01:100
255319960,6cyclictest0-21swapper/019:35:110
255319960,5cyclictest23952-21ssh22:45:030
255319960,5cyclictest0-21swapper/019:50:120
255319960,2cyclictest18661-21mailstats23:20:190
255319960,0cyclictest21460-21apt-get00:10:120
255319960,0cyclictest18402-21diskmemload21:40:060
255319960,0cyclictest18402-21diskmemload00:15:150
255319960,0cyclictest0-21swapper/019:12:290
255539954,1cyclictest5642-21ntpq20:40:173
255539954,1cyclictest35-21ksoftirqd/323:30:013
255539953,1cyclictest12870-21idleruntime-cro19:50:003
255539952,1cyclictest240-21systemd-journal20:39:233
255539951,2cyclictest30190-21sensors19:15:183
255409955,0cyclictest0-21swapper/121:40:361
255409955,0cyclictest0-21swapper/119:47:351
255409955,0cyclictest0-21swapper/100:21:331
255409954,1cyclictest29623-21chrt22:50:571
255409952,2cyclictest0-21swapper/122:07:191
255409952,1cyclictest0-21swapper/119:25:121
255409950,5cyclictest0-21swapper/123:50:591
255409950,5cyclictest0-21swapper/121:08:231
255409950,5cyclictest0-21swapper/121:00:591
255409950,5cyclictest0-21swapper/120:38:501
255409950,5cyclictest0-21swapper/120:20:141
255409950,5cyclictest0-21swapper/120:16:281
255409950,5cyclictest0-21swapper/119:53:381
255409950,3cyclictest0-21swapper/123:55:131
255409950,3cyclictest0-21swapper/123:12:431
255409950,3cyclictest0-21swapper/122:27:141
255409950,3cyclictest0-21swapper/100:36:571
255409950,3cyclictest0-21swapper/100:08:261
255409950,2cyclictest0-21swapper/123:35:191
255409950,2cyclictest0-21swapper/122:44:101
255409950,2cyclictest0-21swapper/122:20:491
255409950,2cyclictest0-21swapper/122:19:481
255409950,2cyclictest0-21swapper/121:47:061
255409950,2cyclictest0-21swapper/121:47:061
255409950,1cyclictest0-21swapper/123:15:221
255409950,1cyclictest0-21swapper/121:55:151
255409950,1cyclictest0-21swapper/121:35:001
255409950,0cyclictest0-21swapper/123:00:001
255409950,0cyclictest0-21swapper/119:35:591
255319951,2cyclictest0-21swapper/019:40:110
255319950,4cyclictest4474-21/usr/sbin/munin20:40:120
255319950,4cyclictest32170-21/usr/sbin/munin20:30:180
255319950,1cyclictest0-21swapper/020:50:230
255319950,0cyclictest0-21swapper/020:00:140
255539943,1cyclictest13996-21kernelversion19:50:153
255539942,1cyclictest27539-21aten_r1power_fr20:20:113
255539942,1cyclictest20779-21fschecks_time20:05:133
255539941,2cyclictest0-21swapper/320:00:133
255539940,1cyclictest6214-21ls19:35:133
255409944,0cyclictest0-21swapper/119:34:341
255409943,1cyclictest23514-21chrt00:11:101
255409941,1cyclictest0-21swapper/120:25:141
255409941,1cyclictest0-21swapper/120:15:001
255409941,0cyclictest0-21swapper/122:35:341
255409941,0cyclictest0-21swapper/120:50:161
255409940,4cyclictest0-21swapper/119:20:261
255409940,3cyclictest0-21swapper/123:30:101
255409940,3cyclictest0-21swapper/122:01:071
255409940,3cyclictest0-21swapper/120:55:181
255409940,3cyclictest0-21swapper/119:10:121
255409940,2cyclictest0-21swapper/120:40:111
255409940,2cyclictest0-21swapper/120:00:121
255409940,1cyclictest0-21swapper/122:31:061
255409940,1cyclictest0-21swapper/122:10:051
255409940,0cyclictest0-21swapper/119:55:171
255409940,0cyclictest0-21swapper/119:40:201
255409931,1cyclictest0-21swapper/120:30:111
255409931,1cyclictest0-21swapper/119:15:101
255409930,0cyclictest0-21swapper/120:05:131
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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