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2026-08-21 - 02:36
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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
Compare latency of primary with shadow system
Characteristics of the 50 highest latencies:
System rack4slot3.osadl.org (updated Fri Aug 21, 2026 00:43:32)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2707421190,4sleep027075-21grep23:20:390
168619911630,76cyclictest25523-21irqstats21:35:490
168619911534,71cyclictest19009-21chrt19:35:510
168619911437,39cyclictest15705-21munin-node00:25:340
168619911326,78cyclictest9038-21aten_r4power_vo22:25:310
168619911233,69cyclictest1053-21munin-node23:40:340
168619911232,70cyclictest20519-21hostname00:40:320
168619911146,55cyclictest3250-21snmpd00:34:540
168619911134,68cyclictest9875-21munin-node20:46:160
168619911132,69cyclictest17428-21munin-node22:50:420
15236211016,20sleep015246-21aten_r4power_cu19:25:280
168619910930,70cyclictest30645-21netstat23:30:550
168619910923,77cyclictest29260-21switchtime23:26:090
168619910831,68cyclictest7708-21munin-node22:20:430
168619910828,70cyclictest3568-21runrttasks21:01:380
168619910745,52cyclictest25427-21munin-node23:15:380
168619910728,69cyclictest30010-21aten_r4power_po21:50:310
168619910723,75cyclictest28634-21if_eth020:05:420
168619910625,72cyclictest3568-21runrttasks23:45:580
168619910540,55cyclictest3250-21snmpd20:43:170
168619910533,62cyclictest23824-21df00:50:330
168619910532,64cyclictest4452-21cut20:30:480
168619910527,68cyclictest9562-21munin-node00:05:530
168619910439,55cyclictest3250-21snmpd20:53:210
168619910427,67cyclictest28717-21if_err_eth021:45:450
168619910424,69cyclictest30284-21munin-node20:10:450
168619910342,51cyclictest13818-21munin-node22:41:070
168619910339,54cyclictest3250-21snmpd01:00:040
168619910339,54cyclictest2658-21munin-node20:25:400
168619910323,71cyclictest3568-21runrttasks22:00:250
168619910238,54cyclictest4086-21munin-node22:10:460
168619910233,60cyclictest14809-21timerandwakeup00:21:100
168619910221,71cyclictest22631-21munin-node21:26:060
168619910140,52cyclictest3250-21snmpd22:08:530
168619910137,55cyclictest12741-21sshd20:55:590
168619910137,54cyclictest22035-21munin-node00:45:560
168619910136,55cyclictest16876-21munin-node19:30:310
168619910123,69cyclictest21573-21runrttasks19:44:500
168619910039,51cyclictest21768-21wget19:45:290
168619910038,53cyclictest1421-21munin-node20:21:040
168619910036,54cyclictest15572-21runrttasks21:05:380
168619910035,53cyclictest26716-21wget20:00:280
168619910025,65cyclictest21200-21unixbench_singl21:21:130
16861999938,52cyclictest3250-21snmpd21:58:490
16861999937,52cyclictest12217-21wget22:35:280
16861999935,54cyclictest10574-21munin-node22:31:120
16861999935,53cyclictest18851-21df22:55:320
16861999924,65cyclictest32250-21netstat23:35:560
16861999837,52cyclictest3250-21snmpd21:18:320
16861999837,52cyclictest23982-21munin-node23:10:450
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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