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2025-11-22 - 14:57
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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 the 100 highest latencies:
System rack3slot3.osadl.org (updated Sat Nov 22, 2025 12:46:33)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
122501120irq/42-ahci0-21swapper/207:08:074
122501120irq/42-ahci0-21swapper/207:08:074
20484210894sleep80-21swapper/807:05:5310
20484210894sleep80-21swapper/807:05:5310
20641210593sleep70-21swapper/707:07:539
20641210593sleep70-21swapper/707:07:529
12250990irq/42-ahci0-21swapper/307:08:285
12250990irq/42-ahci0-21swapper/307:08:285
3066350940irq/52-eth0-rx-0-21swapper/907:06:1011
3066350940irq/52-eth0-rx-0-21swapper/907:06:1011
12250930irq/42-ahci0-21swapper/107:09:021
12250930irq/42-ahci0-21swapper/107:09:021
3066350880irq/52-eth0-rx-0-21swapper/407:05:136
3066350880irq/52-eth0-rx-0-21swapper/407:05:126
3066350860irq/52-eth0-rx-0-21swapper/507:05:307
3066350860irq/52-eth0-rx-0-21swapper/507:05:307
12250840irq/42-ahci0-21swapper/1107:08:573
12250840irq/42-ahci0-21swapper/1107:08:573
2062526757sleep60-21swapper/607:07:398
2062526757sleep60-21swapper/607:07:398
2053726755sleep00-21swapper/007:06:330
2053726755sleep00-21swapper/007:06:330
12250670irq/42-ahci0-21swapper/1007:05:482
12250670irq/42-ahci0-21swapper/1007:05:482
20959994645cyclictest0-21swapper/009:27:210
20959994025cyclictest0-21swapper/007:17:560
20959993617cyclictest0-21swapper/010:09:090
2095999290cyclictest0-21swapper/008:23:230
12250280irq/42-ahci0-21swapper/909:27:2011
12250280irq/42-ahci0-21swapper/809:27:2210
12250280irq/42-ahci0-21swapper/409:27:206
12250280irq/42-ahci0-21swapper/209:27:374
12250280irq/42-ahci0-21swapper/1009:27:212
12250280irq/42-ahci0-21swapper/109:27:211
20996992515cyclictest0-21swapper/611:29:578
20997992113cyclictest12250irq/42-ahci09:27:219
2095999200cyclictest0-21swapper/010:59:370
2100099192cyclictest12250irq/42-ahci12:01:362
2100099192cyclictest12250irq/42-ahci11:51:452
2100099192cyclictest12250irq/42-ahci11:46:092
2100099192cyclictest12250irq/42-ahci10:04:342
2100099192cyclictest12250irq/42-ahci09:45:492
2100099192cyclictest12250irq/42-ahci09:09:392
2100099192cyclictest12250irq/42-ahci07:56:342
2100099192cyclictest12250irq/42-ahci07:26:162
21002991817cyclictest12250irq/42-ahci10:26:383
21002991817cyclictest12250irq/42-ahci10:21:373
21000991817cyclictest0-21swapper/1009:41:052
21000991817cyclictest0-21swapper/1009:30:512
21000991817cyclictest0-21swapper/1007:20:082
2100099181cyclictest12250irq/42-ahci12:26:532
2100099181cyclictest12250irq/42-ahci12:21:412
2100099181cyclictest12250irq/42-ahci12:16:342
2100099181cyclictest12250irq/42-ahci12:11:232
2100099181cyclictest12250irq/42-ahci12:08:092
2100099181cyclictest12250irq/42-ahci11:55:162
2100099181cyclictest12250irq/42-ahci11:44:572
2100099181cyclictest12250irq/42-ahci11:38:292
2100099181cyclictest12250irq/42-ahci11:31:172
2100099181cyclictest12250irq/42-ahci11:20:092
2100099181cyclictest12250irq/42-ahci11:17:422
2100099181cyclictest12250irq/42-ahci11:10:502
2100099181cyclictest12250irq/42-ahci11:00:352
2100099181cyclictest12250irq/42-ahci10:58:152
2100099181cyclictest12250irq/42-ahci10:54:402
2100099181cyclictest12250irq/42-ahci10:41:312
2100099181cyclictest12250irq/42-ahci10:39:422
2100099181cyclictest12250irq/42-ahci10:27:262
2100099181cyclictest12250irq/42-ahci10:18:302
2100099181cyclictest12250irq/42-ahci10:13:552
2100099181cyclictest12250irq/42-ahci09:58:062
2100099181cyclictest12250irq/42-ahci09:39:592
2100099181cyclictest12250irq/42-ahci09:22:412
2100099181cyclictest12250irq/42-ahci09:16:082
2100099181cyclictest12250irq/42-ahci08:55:202
2100099181cyclictest12250irq/42-ahci08:52:392
2100099181cyclictest12250irq/42-ahci08:47:572
2100099181cyclictest12250irq/42-ahci08:40:262
2100099181cyclictest12250irq/42-ahci08:19:342
2100099181cyclictest12250irq/42-ahci08:11:192
2100099181cyclictest12250irq/42-ahci08:06:292
2100099181cyclictest12250irq/42-ahci08:06:292
2100099181cyclictest12250irq/42-ahci08:04:402
2100099181cyclictest12250irq/42-ahci07:51:172
2100099181cyclictest12250irq/42-ahci07:45:552
2100099181cyclictest12250irq/42-ahci07:43:012
2100099181cyclictest12250irq/42-ahci07:37:422
2100099181cyclictest12250irq/42-ahci07:31:542
2100099181cyclictest12250irq/42-ahci07:13:002
2100099181cyclictest12250irq/42-ahci07:13:002
20998991816cyclictest7448-21snmp_rack3slot910:30:1510
20998991816cyclictest6809-21perl09:00:1710
20998991816cyclictest6306-21snmp_rack3slot907:30:1610
20998991816cyclictest4585-21snmp_rack3slot910:25:1310
20998991816cyclictest32712-21snmp_rack3slot909:35:1810
20998991816cyclictest29171-21snmp_easybox.os08:45:2510
20998991816cyclictest29116-21snmp_easybox.os11:00:1210
20998991816cyclictest28827-21snmp_rack3slot911:41:1310
20998991816cyclictest28622-21snmp_rack3slot909:30:1610
20998991816cyclictest27398-21snmp_rack3slot907:15:2010
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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