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2025-11-23 - 20:24
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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 the highest latencies:
System rack8slot7.osadl.org (updated Sun Nov 23, 2025 12:43:43)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4784991918,1cyclictest60250irq/125-lan12:25:102
4784991918,1cyclictest60250irq/125-lan09:35:132
4784991818,0cyclictest60250irq/125-lan11:49:402
4784991818,0cyclictest60250irq/125-lan09:59:382
4784991817,1cyclictest60250irq/125-lan08:49:552
4784991817,1cyclictest60250irq/125-lan07:35:152
4784991717,0cyclictest60250irq/125-lan11:35:132
4784991717,0cyclictest60250irq/125-lan11:00:172
4784991717,0cyclictest60250irq/125-lan10:35:222
4784991717,0cyclictest60250irq/125-lan10:10:132
4784991717,0cyclictest60250irq/125-lan09:48:382
4784991717,0cyclictest60250irq/125-lan09:26:382
4784991716,1cyclictest60250irq/125-lan12:30:192
4784991716,1cyclictest60250irq/125-lan10:50:212
4784991716,1cyclictest60250irq/125-lan08:37:042
4784991716,1cyclictest60250irq/125-lan08:29:372
4784991716,1cyclictest60250irq/125-lan08:00:122
4784991716,1cyclictest60250irq/125-lan07:50:132
4784991616,0cyclictest60250irq/125-lan10:05:112
4784991616,0cyclictest60250irq/125-lan10:00:132
4784991616,0cyclictest60250irq/125-lan09:08:392
4784991616,0cyclictest60250irq/125-lan07:55:262
4784991616,0cyclictest60250irq/125-lan07:10:192
4784991615,1cyclictest60250irq/125-lan11:10:122
4784991615,1cyclictest60250irq/125-lan10:15:152
4784991615,1cyclictest60250irq/125-lan09:20:132
4784991615,1cyclictest60250irq/125-lan09:10:122
4784991615,1cyclictest60250irq/125-lan07:30:122
4784991615,1cyclictest60250irq/125-lan07:20:122
4784991515,0cyclictest60250irq/125-lan09:34:242
4784991515,0cyclictest60250irq/125-lan08:40:162
4784991514,1cyclictest60250irq/125-lan11:15:222
4784991514,1cyclictest60250irq/125-lan10:55:222
4784991514,1cyclictest60250irq/125-lan08:50:132
4784991514,1cyclictest60250irq/125-lan08:20:132
4784991514,1cyclictest60250irq/125-lan08:15:142
4784991514,1cyclictest60250irq/125-lan07:45:142
4784991514,1cyclictest60250irq/125-lan07:40:152
4775991515,0cyclictest702-21snmpd10:30:120
4775991515,0cyclictest329-21hwrng12:24:570
4775991515,0cyclictest329-21hwrng09:22:400
4784991414,0cyclictest60250irq/125-lan12:15:482
4784991414,0cyclictest60250irq/125-lan12:00:202
4784991414,0cyclictest60250irq/125-lan11:55:172
4784991414,0cyclictest60250irq/125-lan11:50:482
4784991414,0cyclictest60250irq/125-lan11:30:142
4784991414,0cyclictest60250irq/125-lan10:25:162
4784991414,0cyclictest60250irq/125-lan09:54:582
4784991413,1cyclictest60250irq/125-lan12:35:212
4784991413,1cyclictest60250irq/125-lan12:05:212
4784991413,1cyclictest60250irq/125-lan09:00:142
4784991413,1cyclictest60250irq/125-lan07:25:202
4784991413,1cyclictest60250irq/125-lan07:15:142
4780991414,0cyclictest329-21hwrng09:53:241
4780991414,0cyclictest329-21hwrng09:16:321
4780991414,0cyclictest329-21hwrng09:08:211
4775991414,0cyclictest7199-21cat08:30:140
4775991414,0cyclictest702-21snmpd08:22:300
4775991414,0cyclictest329-21hwrng12:27:000
4775991414,0cyclictest329-21hwrng09:17:330
4775991414,0cyclictest329-21hwrng07:10:350
4784991313,0cyclictest60250irq/125-lan10:49:372
4784991313,0cyclictest60250irq/125-lan09:43:422
4784991312,1cyclictest60250irq/125-lan11:05:152
4780991313,0cyclictest329-21hwrng12:32:071
4780991313,0cyclictest329-21hwrng12:28:021
4780991313,0cyclictest329-21hwrng10:25:081
4775991313,0cyclictest702-21snmpd08:02:320
4775991313,0cyclictest329-21hwrng09:29:510
4775991313,0cyclictest329-21hwrng09:06:170
4784991211,1cyclictest60250irq/125-lan08:35:002
4784991211,1cyclictest60250irq/125-lan08:15:002
4784991210,1cyclictest60250irq/125-lan09:15:122
4780991212,0cyclictest329-21hwrng12:35:111
4780991212,0cyclictest329-21hwrng10:47:401
4780991212,0cyclictest329-21hwrng07:52:341
4775991212,0cyclictest702-21snmpd12:31:080
4775991212,0cyclictest702-21snmpd08:06:030
4775991212,0cyclictest329-21hwrng12:15:440
4775991212,0cyclictest329-21hwrng11:42:590
4775991212,0cyclictest329-21hwrng11:10:130
4775991212,0cyclictest329-21hwrng10:53:490
4775991212,0cyclictest329-21hwrng10:35:230
4775991212,0cyclictest329-21hwrng09:13:280
4775991212,0cyclictest329-21hwrng07:53:360
4775991212,0cyclictest329-21hwrng07:37:120
4788991111,0cyclictest329-21hwrng12:06:313
4784991111,0cyclictest60250irq/125-lan11:40:132
4784991111,0cyclictest60250irq/125-lan11:20:152
4784991111,0cyclictest60250irq/125-lan10:21:382
4784991110,1cyclictest60250irq/125-lan10:40:182
4784991110,1cyclictest60250irq/125-lan08:05:122
4775991111,0cyclictest329-21hwrng10:21:020
4775991111,0cyclictest329-21hwrng10:07:440
4775991111,0cyclictest329-21hwrng09:37:010
478499109,1cyclictest60250irq/125-lan12:10:152
4780991010,0cyclictest329-21hwrng11:23:301
4780991010,0cyclictest329-21hwrng11:19:251
4775991010,0cyclictest329-21hwrng08:11:000
4775991010,0cyclictest329-21hwrng07:43:210
47849998,1cyclictest60250irq/125-lan12:20:132
47849998,1cyclictest60250irq/125-lan08:55:162
47809999,0cyclictest329-21hwrng10:37:261
47809999,0cyclictest329-21hwrng10:15:551
47809999,0cyclictest329-21hwrng08:24:181
47809998,1cyclictest702-21snmpd09:13:371
47809998,1cyclictest702-21snmpd07:47:131
47809994,1cyclictest0-21swapper/107:20:011
47759999,0cyclictest329-21hwrng11:35:480
47759999,0cyclictest329-21hwrng07:34:080
47889987,1cyclictest702-21snmpd11:46:003
47889986,2cyclictest702-21snmpd12:00:183
47889986,2cyclictest21098-21cat11:40:143
47849988,0cyclictest329-21hwrng11:27:362
47809988,0cyclictest702-21snmpd11:58:551
47809988,0cyclictest702-21snmpd11:39:081
47809988,0cyclictest702-21snmpd10:56:381
47809988,0cyclictest702-21snmpd08:47:421
47809988,0cyclictest702-21snmpd08:05:231
47809988,0cyclictest329-21hwrng10:20:011
47809988,0cyclictest329-21hwrng09:38:021
47809986,0cyclictest171rcu_preempt12:05:161
47809985,0cyclictest171rcu_preempt08:00:161
47759988,0cyclictest702-21snmpd11:28:180
47759988,0cyclictest702-21snmpd10:10:490
47759988,0cyclictest702-21snmpd08:45:030
47759988,0cyclictest329-21hwrng11:55:160
47759988,0cyclictest329-21hwrng11:49:060
47759988,0cyclictest329-21hwrng11:09:100
47759988,0cyclictest329-21hwrng08:56:030
47759988,0cyclictest329-21hwrng08:36:370
47759988,0cyclictest329-21hwrng08:15:050
47889977,0cyclictest702-21snmpd12:28:423
47889977,0cyclictest702-21snmpd11:51:183
47889977,0cyclictest702-21snmpd11:25:563
47889977,0cyclictest702-21snmpd09:59:593
47889977,0cyclictest702-21snmpd09:13:043
47889976,1cyclictest702-21snmpd10:57:433
47889976,1cyclictest702-21snmpd10:23:313
47889976,1cyclictest702-21snmpd10:09:123
47889976,1cyclictest702-21snmpd09:54:063
47889976,1cyclictest702-21snmpd09:45:233
47889976,1cyclictest702-21snmpd09:17:313
47889976,1cyclictest702-21snmpd08:30:563
47889976,1cyclictest702-21snmpd08:12:503
47889976,1cyclictest702-21snmpd07:26:513
47889975,2cyclictest702-21snmpd11:05:443
47889975,2cyclictest702-21snmpd10:25:093
47849977,0cyclictest329-21hwrng10:32:182
47809977,0cyclictest702-21snmpd08:10:231
47809977,0cyclictest702-21snmpd07:21:271
47809976,1cyclictest702-21snmpd11:03:401
47809976,1cyclictest702-21snmpd10:34:481
47809976,1cyclictest702-21snmpd07:11:301
47809975,2cyclictest702-21snmpd09:26:101
47809975,0cyclictest171rcu_preempt12:20:171
47809975,0cyclictest171rcu_preempt08:00:001
47809975,0cyclictest171rcu_preempt07:40:191
47809974,1cyclictest0-21swapper/111:45:201
47809974,0cyclictest171rcu_preempt07:25:161
47759977,0cyclictest702-21snmpd09:50:080
47759977,0cyclictest702-21snmpd07:22:240
47759977,0cyclictest329-21hwrng12:13:420
47759977,0cyclictest329-21hwrng11:50:080
47759977,0cyclictest329-21hwrng11:17:220
47759977,0cyclictest329-21hwrng09:45:120
47759977,0cyclictest329-21hwrng07:59:440
47759977,0cyclictest329-21hwrng07:45:240
47759977,0cyclictest329-21hwrng07:26:580
47759976,1cyclictest702-21snmpd11:23:140
47889966,0cyclictest702-21snmpd12:17:253
47889966,0cyclictest702-21snmpd08:54:033
47889966,0cyclictest702-21snmpd08:05:533
47889965,1cyclictest702-21snmpd12:21:073
47889965,1cyclictest11145-21turbostat.cron12:35:003
47889964,2cyclictest702-21snmpd10:10:243
47809965,1cyclictest702-21snmpd11:09:341
47809965,1cyclictest702-21snmpd09:31:041
47809965,1cyclictest680-21ntpd11:12:011
47809965,0cyclictest171rcu_preempt11:50:121
47809965,0cyclictest171rcu_preempt10:40:151
47809965,0cyclictest171rcu_preempt08:40:001
47809964,0cyclictest171rcu_preempt12:00:311
47809964,0cyclictest171rcu_preempt07:34:271
47809963,0cyclictest171rcu_preempt10:13:041
47809963,0cyclictest171rcu_preempt10:00:161
47809961,1cyclictest28-21ksoftirqd/108:15:001
47809960,2cyclictest28-21ksoftirqd/110:05:111
47759966,0cyclictest702-21snmpd10:55:560
47759966,0cyclictest702-21snmpd10:42:320
47759966,0cyclictest702-21snmpd09:02:300
47759966,0cyclictest702-21snmpd08:26:470
47759966,0cyclictest702-21snmpd07:16:090
47759965,1cyclictest702-21snmpd12:36:380
47759965,1cyclictest702-21snmpd12:07:390
47759965,1cyclictest702-21snmpd12:01:210
47759965,1cyclictest702-21snmpd11:03:280
47759965,1cyclictest16171-21cat08:50:130
47889955,0cyclictest702-21snmpd10:46:163
47889955,0cyclictest702-21snmpd09:43:593
47889955,0cyclictest702-21snmpd07:17:303
47889955,0cyclictest702-21snmpd07:14:093
47889955,0cyclictest329-21hwrng07:45:243
47889954,1cyclictest702-21snmpd10:04:083
47889954,1cyclictest702-21snmpd09:35:503
47889954,1cyclictest702-21snmpd09:28:193
47889954,1cyclictest702-21snmpd07:39:013
47889953,2cyclictest4728-21apt-get08:25:123
47809955,0cyclictest702-21snmpd08:34:111
47809955,0cyclictest329-21hwrng09:56:281
47809954,1cyclictest702-21snmpd08:39:111
47809954,0cyclictest171rcu_preempt11:30:131
47809954,0cyclictest171rcu_preempt09:45:171
47809954,0cyclictest171rcu_preempt09:00:171
47809953,1cyclictest171rcu_preempt08:25:161
47809952,1cyclictest171rcu_preempt09:20:161
47809952,1cyclictest171rcu_preempt08:50:171
47809951,2cyclictest28-21ksoftirqd/111:40:181
47809951,1cyclictest28-21ksoftirqd/108:55:161
47809951,1cyclictest0-21swapper/112:10:191
47809950,2cyclictest28-21ksoftirqd/109:40:131
47809950,1cyclictest28-21ksoftirqd/110:50:171
47809950,1cyclictest0-21swapper/111:25:121
47759955,0cyclictest702-21snmpd09:40:140
47889944,0cyclictest702-21snmpd10:19:153
47889944,0cyclictest329-21hwrng12:13:413
47889944,0cyclictest329-21hwrng10:50:453
47889944,0cyclictest329-21hwrng09:34:583
47889944,0cyclictest329-21hwrng08:35:343
47889944,0cyclictest329-21hwrng07:30:023
47889943,1cyclictest21315-21cut07:50:123
47889943,1cyclictest17917-21ntpq07:40:173
47889943,1cyclictest12552-21ntpq08:40:173
47889942,2cyclictest702-21snmpd07:55:043
47889942,2cyclictest4550-21cut11:00:123
47889942,2cyclictest13428-21ntpq11:20:173
47809940,2cyclictest0-21swapper/112:15:131
47809940,1cyclictest0-21swapper/107:35:131
47759944,0cyclictest702-21snmpd11:32:560
47759944,0cyclictest702-21snmpd10:15:570
47759942,2cyclictest12558-21ntp_states08:40:170
47759940,2cyclictest0-21swapper/010:25:140
47759940,1cyclictest0-21swapper/010:00:110
47889933,0cyclictest329-21hwrng11:56:163
47889933,0cyclictest329-21hwrng11:36:503
47889932,1cyclictest8909-21cut11:10:143
47889932,1cyclictest702-21snmpd10:31:453
47889932,1cyclictest431ktimers/308:20:183
47889932,1cyclictest28169-21tune2fs10:40:133
47889932,1cyclictest26063-21uniq10:35:143
47889932,1cyclictest17107-21cut11:30:153
47889932,1cyclictest10985-21cat11:15:143
47889932,1cyclictest0-21swapper/308:00:183
47889931,2cyclictest28593-21ntpq09:20:153
47889931,2cyclictest22556-21ntpq09:05:173
47889931,2cyclictest18478-21gcc08:55:163
47889931,2cyclictest14498-21ntpq08:45:173
47889931,2cyclictest12281-21ntpq12:35:183
47889930,3cyclictest19521-21turbostat09:04:553
47889930,3cyclictest1056-21ntpq08:15:183
47759932,1cyclictest151ktimers/009:55:160
47759931,2cyclictest901-21users09:30:220
47759930,1cyclictest0-21swapper/010:45:000
47889920,2cyclictest9050-21apt-get07:20:103
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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