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2025-06-20 - 06:19
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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 100 highest latencies:
System rack7slot8.osadl.org (updated Thu Jun 19, 2025 14:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
1736422830,6sleep017362-21grep07:05:340
180239918244,101cyclictest17390-21grep09:11:330
18023991738,143cyclictest1424-21nginx09:36:000
180239916715,133cyclictest13000-21/usr/sbin/munin08:55:400
180239916627,117cyclictest802-21dbus-daemon12:36:260
180239916528,118cyclictest22073-21apt-config07:25:120
180239916524,21cyclictest1356-21snmpd08:11:040
180239915926,113cyclictest1424-21nginx11:21:540
180239915923,24cyclictest1356-21snmpd09:21:200
180239915829,91cyclictest25715-21sshd11:51:400
180239915816,19cyclictest28450-21date07:50:070
180239915810,20cyclictest1356-21snmpd10:51:430
18023991578,18cyclictest6150-21fw_forwarded_lo10:35:240
180239915724,16cyclictest12658-21wget11:00:170
180239915724,115cyclictest18090-21grep09:15:160
180239915623,122cyclictest1356-21snmpd11:57:000
180239915617,17cyclictest1424-21nginx09:00:540
18023991559,19cyclictest25888-21ntp_states09:45:430
180239915532,105cyclictest10250irq/56-4a10000007:10:300
180239915529,108cyclictest1356-21snmpd09:53:400
18023991548,15cyclictest31597-21apt-get10:12:070
18023991538,21cyclictest11918-21which08:50:510
18023991538,16cyclictest7384-21df_inode10:40:250
18023991537,18cyclictest21651-21ntp_states11:35:420
18023991536,18cyclictest1102-21diskstats10:15:230
180239915334,84cyclictest0-21swapper/011:26:520
180239915310,13cyclictest10250irq/56-4a10000008:00:350
18023991529,13cyclictest15241-21fw_conntrack11:10:220
18023991528,15cyclictest15320-21df09:05:210
180239915250,89cyclictest29128-21sshd07:50:430
180239915228,112cyclictest3062-21ntpq08:15:430
18023991519,22cyclictest28279-21memory09:55:340
18023991518,22cyclictest8450-21wget10:45:160
18023991518,17cyclictest21021-21ntp_states07:20:460
18023991517,23cyclictest1336-21runrttasks12:20:090
180239915125,107cyclictest28419-21mailstats12:00:470
180239915120,19cyclictest1356-21snmpd10:06:300
180239915118,14cyclictest23633-21latency_hist11:45:030
180239915118,14cyclictest12403-21latency_hist11:00:050
18023991507,30cyclictest255542sleep007:37:350
18023991507,16cyclictest24562-21memory09:40:330
180239915051,88cyclictest6665-21/usr/sbin/munin08:30:290
180239915044,94cyclictest19644-21runrttasks07:15:310
180239915023,18cyclictest23872-21wget11:45:160
18023991497,18cyclictest23570-21wget07:30:160
18023991497,17cyclictest21878-21wget09:30:230
180239914933,102cyclictest31359-21sshd12:13:460
180239914918,21cyclictest1356-21snmpd08:26:070
18023991488,19cyclictest1356-21snmpd08:06:040
18023991487,17cyclictest3634-21df_inode10:25:200
18023991477,13cyclictest20052-21grep11:30:170
180239914736,100cyclictest14924-21latency_hist11:10:020
180239914726,111cyclictest792-21haveged12:05:500
180239914726,110cyclictest30295-21df07:55:250
180239914636,98cyclictest760-21systemd-journal07:40:440
180239914631,101cyclictest29511-21/usr/sbin/munin10:00:300
180239914624,17cyclictest1356-21snmpd08:45:180
18023991457,22cyclictest1356-21snmpd08:21:060
180239914540,94cyclictest5769-21runrttasks10:34:480
180239914524,21cyclictest20573-21wget09:25:150
180239914517,13cyclictest2-21kthreadd10:20:200
18023991446,32cyclictest31831-21chrt12:15:200
18023991439,26cyclictest3174-21df_inode12:30:220
180239914341,90cyclictest16439-21/usr/sbin/munin11:15:250
180239914329,101cyclictest1801-21node08:35:420
18023991408,19cyclictest9045-21grep08:40:250
18023991386,23cyclictest1820-21aten_r7power_po12:25:270
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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