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2025-10-15 - 16:09
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Data to construct the above plot have been generated using the RT test utility cyclictest.

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 rack7slot8.osadl.org (updated Wed Oct 15, 2025 02:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
5411222839,55sleep00-21swapper/019:09:520
55069917822,20cyclictest1424-21nginx23:59:250
55069917527,18cyclictest1424-21nginx22:13:570
55069917032,119cyclictest1356-21snmpd21:43:480
55069916741,108cyclictest10250irq/56-4a10000023:54:230
55069916432,115cyclictest10250irq/56-4a10000019:22:220
55069916430,13cyclictest10250irq/56-4a10000000:24:280
55069916429,21cyclictest1356-21snmpd20:13:340
55069916427,118cyclictest1424-21nginx22:55:540
5506991627,21cyclictest1356-21snmpd23:18:130
55069916142,108cyclictest25119-21runrttasks20:25:420
5506991608,18cyclictest13413-21ntp_states21:45:440
55069915829,19cyclictest28407-21wget22:45:190
55069915824,24cyclictest1356-21snmpd20:50:360
55069915824,114cyclictest1424-21nginx19:28:230
5506991577,21cyclictest1614-21sshd23:06:100
55069915734,107cyclictest3650irq/20-4900000021:12:060
55069915723,18cyclictest1356-21snmpd00:34:270
5506991568,17cyclictest12520-21memory19:35:360
55069915645,93cyclictest10150irq/55-4a10000021:00:310
55069915628,19cyclictest1356-21snmpd22:53:020
55069915624,116cyclictest1356-21snmpd20:23:290
55069915623,17cyclictest1424-21nginx23:04:180
55069915619,12cyclictest10250irq/56-4a10000022:08:520
55069915529,106cyclictest11847-21runrttasks19:33:050
55069915516,28cyclictest792-21haveged22:05:030
5506991536,17cyclictest5440-21apt-get19:12:060
55069915335,107cyclictest14575-21/usr/sbin/munin21:50:360
55069915329,112cyclictest25291-21sshd00:37:110
55069915243,97cyclictest10250irq/56-4a10000023:49:100
55069915221,16cyclictest1336-21runrttasks21:25:220
55069915219,13cyclictest10250irq/56-4a10000023:39:210
5506991517,21cyclictest27290-21wget20:35:180
55069915143,94cyclictest13882-21runrttasks19:40:470
55069915142,98cyclictest22001-21runrttasks00:25:320
55069915142,96cyclictest18010-21ntp_states00:10:400
5506991506,14cyclictest2138-21apt-get21:07:090
55069915014,120cyclictest1356-21snmpd22:33:580
55069914944,94cyclictest16451-21runrttasks19:50:460
55069914924,20cyclictest18136-21sshd19:58:340
5506991489,22cyclictest15858-21ntpq21:55:340
5506991487,20cyclictest19261-21ntp_states00:15:410
5506991487,18cyclictest1356-21snmpd23:14:060
55069914832,104cyclictest6725-21grep21:20:030
55069914829,86cyclictest1356-21snmpd00:09:210
55069914820,15cyclictest1372-21lldpd22:25:190
55069914812,31cyclictest10250irq/56-4a10000000:03:130
55069914733,102cyclictest10576-21wget21:35:140
55069914730,107cyclictest837-21chrt21:00:000
55069914710,20cyclictest1356-21snmpd22:39:000
5506991467,18cyclictest26139-21diskstats20:30:240
55069914638,97cyclictest20398-21sshd20:06:340
55069914527,104cyclictest22557-21ntpq20:15:410
55069914517,110cyclictest10250irq/56-4a10000023:28:080
5506991448,22cyclictest20787-21irqstats22:15:340
55069914452,83cyclictest10204-21aten_r7power_vo23:40:180
55069914437,95cyclictest28602-21awk20:40:170
55069914435,97cyclictest8026-21/usr/sbin/munin23:30:430
5506991439,20cyclictest7969-21apt-get19:17:050
5506991438,19cyclictest1356-21snmpd20:48:340
55069914340,93cyclictest6849-21wget21:20:140
55069914332,99cyclictest15071-21ntp_kernel_pll_19:45:360
55069914311,24cyclictest18642-21df20:00:200
55069914232,98cyclictest27806-21seq22:44:310
55069914025,18cyclictest1356-21snmpd22:23:550
55069913834,93cyclictest9369-21cut21:30:150
55069913830,96cyclictest5560-21proc_pri23:20:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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