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2025-11-14 - 17:45
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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 792 highest latencies:
System rack7slot8.osadl.org (updated Fri Nov 14, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
4013222739,57sleep00-21swapper/007:07:520
4329991728,35cyclictest1424-21nginx08:35:310
43299917141,112cyclictest10250irq/56-4a10000011:05:590
43299917134,15cyclictest10250irq/56-4a10000008:59:480
43299917036,15cyclictest10250irq/56-4a10000010:25:020
4329991647,31cyclictest1356-21snmpd11:51:080
43299916442,14cyclictest8950irq/40-mmc107:35:020
43299916332,31cyclictest1356-21snmpd09:30:550
43299916045,12cyclictest10150irq/55-4a10000008:00:170
43299916039,14cyclictest10250irq/56-4a10000008:15:580
43299915927,13cyclictest10250irq/56-4a10000009:04:480
43299915852,18cyclictest22447-21/usr/sbin/munin08:20:170
43299915835,26cyclictest0-21swapper/007:35:130
43299915727,22cyclictest1356-21snmpd09:29:510
43299915724,40cyclictest0-21swapper/012:26:410
43299915646,20cyclictest19705-21runrttasks10:17:050
43299915644,18cyclictest23094-21ntp_states10:30:470
43299915638,17cyclictest17151-21munin-run08:00:000
43299915637,32cyclictest10250irq/56-4a10000007:29:240
43299915637,17cyclictest1364-21sshd12:00:440
4329991547,36cyclictest819-21runrttasks11:10:250
43299915354,12cyclictest101ktimersoftd/012:15:430
43299915337,18cyclictest9784-21ntpq11:45:460
4329991528,18cyclictest5774-21aten_r7power_vo07:15:160
4329991526,19cyclictest14242-21apt-get12:07:110
43299915247,15cyclictest29871-21grep08:50:180
43299915238,17cyclictest19649-21latency_hist12:25:030
4329991519,19cyclictest12123-21diskstats07:40:230
43299915145,17cyclictest1442-21sshd09:05:340
43299915139,17cyclictest30321-21runrttasks10:59:150
43299915139,17cyclictest18275-21swap10:10:520
43299915046,14cyclictest9829-21seq09:37:580
4329991499,13cyclictest23731-21diskstats08:25:240
43299914943,19cyclictest3486-21runrttasks11:20:360
43299914942,18cyclictest28737-21runrttasks10:51:220
43299914941,21cyclictest22945-21runrttasks12:36:390
43299914926,31cyclictest13256-21mailstats09:50:490
43299914842,17cyclictest14322-21runrttasks07:47:110
4329991466,42cyclictest21694-21sshd10:25:500
43299914647,15cyclictest20929-21date08:15:030
43299914641,18cyclictest26752-21latency_hist10:45:020
43299914548,11cyclictest101ktimersoftd/011:30:380
43299914541,17cyclictest24588-21fw_conntrack10:35:450
43299914538,17cyclictest15094-21latency_hist10:00:020
43299914450,13cyclictest21019-21wget12:30:160
43299914442,18cyclictest2319-21runrttasks09:10:100
43299914442,13cyclictest10150irq/55-4a10000010:45:530
43299914441,16cyclictest2573-21runrttasks11:16:310
43299914440,16cyclictest8143-21latency_hist07:25:030
43299914438,18cyclictest5103-21runrttasks07:11:230
43299914438,18cyclictest28399-21latency_hist08:45:020
43299914433,22cyclictest16503-21runrttasks10:05:150
43299914338,18cyclictest8005-21grep11:40:020
43299914337,17cyclictest5361-21processes09:20:500
43299914238,18cyclictest4276-21runrttasks09:16:330
43299914233,21cyclictest29110-21runrttasks08:45:500
43299914153,10cyclictest101ktimersoftd/011:40:500
43299914141,15cyclictest12284-21open_inodes11:55:450
43299914138,19cyclictest16011-21runrttasks10:02:250
43299914136,19cyclictest12147-21runrttasks09:46:230
4329991408,40cyclictest1356-21snmpd07:50:140
43299914038,19cyclictest30947-21runrttasks11:00:410
43299914038,17cyclictest10407-21df09:40:200
43299914037,16cyclictest4788-21seq11:25:430
43299913938,19cyclictest25253-21processes08:30:480
43299913852,10cyclictest101ktimersoftd/012:10:430
43299913639,16cyclictest19723-21cat08:10:030
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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