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2026-06-02 - 02:57
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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
Compare latency of primary with shadow system
Characteristics of all highest latencies:
System rack1slot2.osadl.org (updated Tue Jun 02, 2026 00:43:23)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1611223627,0sleep30-21swapper/319:22:293
1590523322,0sleep00-21swapper/019:20:060
1617223228,0sleep10-21swapper/119:23:111
1588723026,0sleep20-21swapper/219:19:522
16329992222,0cyclictest14255-21sensors23:04:342
163299970,0cyclictest0-21swapper/221:59:262
163279970,0cyclictest0-21swapper/020:39:260
8305060,0irq/26-0000:00:3207-17auditd19:29:113
35160,0ktimersoftd/30-21swapper/322:41:553
339960,0migration/37824-21sh22:04:483
339960,0migration/328309-21sh23:51:043
339960,0migration/328013-21sh22:36:283
339960,0migration/327067-21sh23:33:543
339960,0migration/320869-21df_abs20:34:243
339960,0migration/319290-21munin-node21:14:303
29805060,0irq/28-eth0-rx-643-21ntp_states22:19:313
163299960,0cyclictest0-21swapper/222:31:262
163299960,0cyclictest0-21swapper/221:51:052
163289965,0cyclictest14199-21perl21:34:251
163289960,0cyclictest0-21swapper/123:49:311
163279960,0cyclictest4376-21kthreadcore20:44:280
149960,0migration/05786-21kthreadcore22:24:270
149960,0migration/032003-21sh00:14:140
149960,0migration/031885-21gltestperf19:34:240
149960,0migration/025020-21latency_hist23:14:110
149960,0migration/024668-21kthreadcore22:54:290
149960,0migration/022924-21smart_sdb20:09:340
149960,0migration/01784-21sh22:21:010
149960,0migration/017170-21sh23:25:190
149960,0migration/010451-21kthreadcore00:19:290
339950,0migration/38193-21fschecks_time21:49:253
339950,0migration/36859-21if_eth1.322:44:283
339950,0migration/332737-21fschecks_time00:14:253
339950,0migration/331411-21cpuspeed_turbos20:19:223
339950,0migration/331083-21sh21:59:373
339950,0migration/330810-21latency_hist21:44:113
339950,0migration/330683-21taskset19:33:473
339950,0migration/328460-21hwlatdetect19:54:263
339950,0migration/328014-21kthreadcore00:29:303
339950,0migration/327966-21latency_hist00:49:123
339950,0migration/32642-21sh23:36:533
339950,0migration/324983-21kthreadcore00:44:303
339950,0migration/324069-21latency_hist20:59:103
339950,0migration/322591-21missed_timers23:09:313
339950,0migration/320873-21munin-node00:04:323
339950,0migration/315066-21kthreadcore23:44:293
339950,0migration/310317-21taskset22:25:223
329950,0watchdog/327106-21munin-node21:19:383
329950,0watchdog/325400-21cut23:14:223
329950,0watchdog/319622-21kthreadcore00:24:303
329950,0watchdog/312457-21grep23:04:303
329950,0watchdog/311514-21perl00:39:273
329950,0watchdog/310835-21grep23:24:263
329950,0watchdog/30-21swapper/322:32:103
329950,0watchdog/30-21swapper/321:54:303
329950,0watchdog/30-21swapper/320:49:303
329950,0watchdog/30-21swapper/320:39:263
329950,0watchdog/30-21swapper/319:59:263
29815050,0irq/29-eth0-tx-882-21ssh22:04:142
29815050,0irq/29-eth0-tx-4412-21ssh21:29:142
29815050,0irq/29-eth0-tx-3270-21munin-node22:24:322
29815050,0irq/29-eth0-tx-26240-21tune2fs00:29:262
29815050,0irq/29-eth0-tx-21120-21munin-node23:49:282
29815050,0irq/29-eth0-tx-16420-21proc_pri23:24:342
29815050,0irq/29-eth0-tx-15436-21cut00:04:252
29815050,0irq/29-eth0-tx-11873-21kthreadcore22:09:292
29815050,0irq/29-eth0-tx-0-21swapper/222:56:082
29815050,0irq/29-eth0-tx-0-21swapper/222:20:112
29815050,0irq/29-eth0-tx-0-21swapper/200:44:262
29815050,0irq/29-eth0-tx-0-21swapper/021:24:160
29815050,0irq/29-eth0-tx-0-21swapper/021:14:220
29815050,0irq/29-eth0-tx-0-21swapper/020:59:000
29805050,0irq/28-eth0-rx-8989-21grep00:19:243
29805050,0irq/28-eth0-rx-28749-21kthreadcore22:54:303
29805050,0irq/28-eth0-rx-21663-21tr20:09:293
29805050,0irq/28-eth0-rx-1688-21port_sshpriv21:24:323
29805050,0irq/28-eth0-rx-10098-21df_abs22:09:243
29805050,0irq/28-eth0-rx-0-21swapper/323:54:293
29805050,0irq/28-eth0-rx-0-21swapper/323:39:223
29805050,0irq/28-eth0-rx-0-21swapper/323:19:393
29805050,0irq/28-eth0-rx-0-21swapper/322:49:143
29805050,0irq/28-eth0-rx-0-21swapper/322:16:143
29805050,0irq/28-eth0-rx-0-21swapper/321:39:583
29805050,0irq/28-eth0-rx-0-21swapper/321:29:333
29805050,0irq/28-eth0-rx-0-21swapper/321:04:213
29805050,0irq/28-eth0-rx-0-21swapper/300:09:303
27150,0ktimersoftd/20-21swapper/200:40:052
259950,0migration/26385-21cpuspeed_turbos23:59:262
259950,0migration/26341-21sh21:47:072
259950,0migration/24217-21sh22:41:072
259950,0migration/221792-21kthreadcore22:14:292
259950,0migration/220782-21aten_r1power_vo22:34:242
259950,0migration/219524-21sh23:45:352
259950,0migration/215617-21irqcore22:49:282
249950,0watchdog/213987-21kthreadcore20:04:302
179950,0migration/18884-21kthreadcore23:39:301
179950,0migration/15197-21munin-node20:19:351
179950,0migration/13799-21kthreadcore00:34:291
179950,0migration/130506-21fschecks_time23:54:241
179950,0migration/128824-21fschecks_time21:24:251
179950,0migration/128269-21kthreadcore00:29:301
179950,0migration/127914-21munin-node23:34:241
179950,0migration/120946-21kthreadcore22:14:291
179950,0migration/120584-21kthreadcore23:29:301
179950,0migration/118972-21kthreadcore23:09:291
179950,0migration/117002-21gltestperf21:54:251
179950,0migration/115924-21kthreadcore23:24:311
179950,0migration/113784-21fschecks_time19:44:241
163299950,0cyclictest0-21swapper/221:41:092
163289955,0cyclictest0-21swapper/122:38:351
163289955,0cyclictest0-21swapper/119:24:301
163289955,0cyclictest0-21swapper/100:52:161
163289955,0cyclictest0-21swapper/100:25:001
163289955,0cyclictest0-21swapper/100:20:061
163289950,0cyclictest0-21swapper/120:24:251
163279955,0cyclictest0-21swapper/000:24:240
169950,0watchdog/13524-21snmpd00:39:391
149950,0migration/09543-21latency_hist22:09:110
149950,0migration/0932-21sh23:18:320
149950,0migration/06622-21kthreadcore19:59:300
149950,0migration/05456-21gltestperf21:29:280
149950,0migration/04887-21kthreadcore23:19:300
149950,0migration/031633-21kthreadcore23:34:290
149950,0migration/031583-21kthreadcore00:49:290
149950,0migration/029399-21sh21:40:590
149950,0migration/026694-21kthreadcore19:29:270
149950,0migration/026203-21taskset22:17:500
149950,0migration/026185-21kthreadcore20:14:280
149950,0migration/02406-21kthreadcore23:54:290
149950,0migration/023859-21taskset21:57:350
149950,0migration/022924-21kthreadcore23:49:290
149950,0migration/02090-21aten_r1power_fr00:34:230
149950,0migration/020087-21latency_hist19:49:110
149950,0migration/020016-21taskset23:46:560
149950,0migration/01902-21kthreadcore20:19:270
149950,0migration/018440-21kthreadcore20:29:290
149950,0migration/018379-21kthreadcore21:34:290
149950,0migration/017888-21latency22:29:300
149950,0migration/014645-21cpuspeed_turbos22:49:240
149950,0migration/013556-21kthreadcore20:49:300
149950,0migration/013395-21kthreadcore20:04:290
149950,0migration/012436-21munin-node21:09:360
149950,0migration/01210-21kthreadcore21:44:270
149950,0migration/01197-21kthreadcore21:04:270
149950,0migration/011192-21irqrtprio22:09:280
339940,0migration/37139-21if_eth020:24:263
339940,0migration/332275-21irqcore19:34:273
339940,0migration/322047-21kthreadcore20:54:313
339940,0migration/312872-21kthreadcore20:04:293
329940,0watchdog/33434-21smartctl20:44:263
329940,0watchdog/325359-21kthreadcore19:49:303
329940,0watchdog/30-21swapper/320:29:303
29815040,0irq/29-eth0-tx-28074-21munin-node00:49:242
29815040,0irq/29-eth0-tx-20504-21ssh21:35:412
29815040,0irq/29-eth0-tx-16552-21ssh23:09:182
29815040,0irq/29-eth0-tx-0-21swapper/223:54:292
29815040,0irq/29-eth0-tx-0-21swapper/223:39:122
29815040,0irq/29-eth0-tx-0-21swapper/223:34:162
29815040,0irq/29-eth0-tx-0-21swapper/223:29:402
29815040,0irq/29-eth0-tx-0-21swapper/223:00:332
29815040,0irq/29-eth0-tx-0-21swapper/222:44:112
29815040,0irq/29-eth0-tx-0-21swapper/221:54:122
29815040,0irq/29-eth0-tx-0-21swapper/221:26:002
29815040,0irq/29-eth0-tx-0-21swapper/200:24:282
29815040,0irq/29-eth0-tx-0-21swapper/200:14:272
29815040,0irq/29-eth0-tx-0-21swapper/021:19:250
29815040,0irq/29-eth0-tx-0-21swapper/020:24:260
29815040,0irq/29-eth0-tx-0-21swapper/019:49:330
29805040,0irq/28-eth0-rx-0-21swapper/323:59:273
29805040,0irq/28-eth0-rx-0-21swapper/322:59:303
29805040,0irq/28-eth0-rx-0-21swapper/321:34:293
29805040,0irq/28-eth0-rx-0-21swapper/300:36:103
259940,0migration/28516-21kthreadcore20:24:282
259940,0migration/25743-21latency_hist19:39:112
259940,0migration/232135-21run-parts23:15:112
259940,0migration/231572-21munin-node20:19:232
259940,0migration/22905-21fschecks_time00:34:252
259940,0migration/227597-21latency_hist20:39:112
259940,0migration/227386-21runrttasks20:39:032
259940,0migration/226351-21kthreadcore20:59:302
259940,0migration/222021-21irqcore21:19:292
259940,0migration/218480-21kthreadcore20:09:282
259940,0migration/211768-21kthreadcore20:49:292
249940,0watchdog/26280-21kthreadcore19:59:302
249940,0watchdog/26074-21cut23:19:302
249940,0watchdog/227934-21kthreadcore00:09:302
249940,0watchdog/225360-21kthreadcore19:49:302
179940,0migration/19292-21kthreadcore19:39:271
179940,0migration/18497-21idleruntime21:49:261
179940,0migration/18229-21kthreadcore20:44:301
179940,0migration/14725-21kthreadcore21:04:281
179940,0migration/132549-21fschecks_count00:14:251
179940,0migration/129932-21sh22:55:191
179940,0migration/129849-21munin-node22:39:261
179940,0migration/129652-21kthreadcore22:19:281
179940,0migration/125152-21munin-node21:59:251
179940,0migration/122056-21irqcore21:19:291
179940,0migration/119790-21kthreadcore20:54:301
179940,0migration/117107-21kthreadcore00:04:291
179940,0migration/114244-21kthreadcore23:44:291
179940,0migration/112869-21sh23:59:471
163299943,0cyclictest9672-21awk00:19:272
163299943,0cyclictest3571-21lldpd19:26:192
163299943,0cyclictest3524-21snmpd20:47:042
163299943,0cyclictest3524-21snmpd20:15:182
163299943,0cyclictest3524-21snmpd19:37:022
163299943,0cyclictest3524-21snmpd19:33:472
163299943,0cyclictest32407-21awk21:04:252
163299943,0cyclictest18126-21awk20:54:292
163299943,0cyclictest14121-21awk19:44:252
163289944,0cyclictest5437-21grep21:29:281
163289943,0cyclictest3524-21snmpd00:44:361
163289943,0cyclictest3524-21snmpd00:09:351
163289943,0cyclictest32719-21awk22:59:281
163289943,0cyclictest30723-21sadc19:34:111
163289943,0cyclictest25211-21awk20:59:281
163289943,0cyclictest24944-21awk20:14:261
163289943,0cyclictest2071-21awk22:04:271
163279944,0cyclictest0-21swapper/023:02:540
163279943,0cyclictest8996-21awk23:04:270
163279943,0cyclictest4890-21awk23:39:270
163279943,0cyclictest3571-21lldpd21:01:530
163279943,0cyclictest3524-21snmpd00:07:350
163279943,0cyclictest24488-21awk00:09:280
163279943,0cyclictest11683-21cat19:39:280
163279943,0cyclictest0-21swapper/020:34:220
163279940,0cyclictest41ktimersoftd/019:54:290
169940,0watchdog/13226-21gltestperf19:59:261
169940,0watchdog/123284-21chrt20:09:461
169940,0watchdog/119069-21latency20:29:301
169940,0watchdog/114347-21cut20:49:301
169940,0watchdog/110693-21cut22:44:301
169940,0watchdog/10-21swapper/121:41:221
149940,0migration/028539-21kthreadcore00:29:300
8305030,0irq/26-0000:00:0-21swapper/221:14:152
329930,0watchdog/30-21swapper/320:14:263
329930,0watchdog/30-21swapper/319:44:303
29805030,0irq/28-eth0-rx-0-21swapper/321:09:253
29805030,0irq/28-eth0-rx-0-21swapper/319:41:423
249930,0watchdog/219068-21latency20:29:302
163299932,0cyclictest3524-21snmpd19:56:482
163299930,0cyclictest7114-21perl21:09:282
163289933,0cyclictest8981-21awk23:04:271
163289932,0cyclictest7302-21awk21:09:291
163289932,0cyclictest3571-21lldpd21:18:541
163289932,0cyclictest3524-21snmpd22:49:201
163289932,0cyclictest3524-21snmpd22:09:121
163289932,0cyclictest32090-21awk19:34:261
163289932,0cyclictest28687-21awk20:39:231
163289932,0cyclictest10603-21awk20:04:271
163289930,0cyclictest31781-21perl21:44:231
163289930,0cyclictest24611-21grep20:34:291
163279933,0cyclictest32116-21kworker/0:221:59:140
163279933,0cyclictest26667-21kworker/0:022:44:240
163279933,0cyclictest26667-21kworker/0:022:39:260
163279933,0cyclictest25435-21kworker/0:000:44:270
163279933,0cyclictest0-21swapper/023:31:260
163279932,0cyclictest6758-21sort23:59:270
163279932,0cyclictest28046-21sh22:36:340
163279930,0cyclictest11655-21perl00:39:270
163279930,0cyclictest0-21swapper/019:24:220
169930,0watchdog/10-21swapper/123:19:301
169930,0watchdog/10-21swapper/123:14:221
169930,0watchdog/10-21swapper/122:29:301
169930,0watchdog/10-21swapper/122:24:181
169930,0watchdog/10-21swapper/119:49:301
149930,0migration/014753-21sh21:51:180
163289920,0cyclictest0-21swapper/119:54:111
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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