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2025-07-07 - 02:02
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Data to construct the above plot have been generated using the RT test utility cyclictest.

Total number of samples: 50 million
Resolution of latency scale: reduced 
Duration: 5 hours, 33 minutes
Characteristics of the highest latencies:
System rack8slot1.osadl.org (updated Sun Jul 06, 2025 12:43:50)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
189409925270,0cyclictest17001-21nfsd10:10:200
189409925181,0cyclictest1594-21jbd2/hda3-809:13:140
189409925178,0cyclictest23758-21seq07:03:550
189409925168,0cyclictest0-21swapper10:36:390
189409924777,0cyclictest32072-21head10:59:290
189409924776,0cyclictest26821-21grep08:54:490
189409924660,0cyclictest9800-21snmpd06:54:520
189409924566,0cyclictest8553-21cut09:40:380
189409924465,0cyclictest30039-21grep07:24:470
189409924379,0cyclictest25753-21awk07:09:450
189409924279,0cyclictest1594-21jbd2/hda3-808:33:020
189409924269,0cyclictest14924-21df10:03:390
189409924180,0cyclictest3177-21rpc.idmapd11:13:290
189409924061,0cyclictest22254-21seq08:41:330
189409923973,0cyclictest25958-21wc10:40:080
189409923930,0cyclictest28170-21aten2.4_r8power08:59:240
189409923880,0cyclictest27096-21aten2.4_r8power07:14:260
189409923876,0cyclictest3574-21grep09:24:510
189409923870,0cyclictest1594-21jbd2/hda3-811:35:320
189409923779,0cyclictest1594-21jbd2/hda3-808:33:140
189409923777,0cyclictest15647-21needreboot08:20:040
189409923760,0cyclictest3355-21runrttasks10:19:490
189409923680,0cyclictest3355-21runrttasks11:08:510
189409923664,0cyclictest27100-21chrt10:44:140
189409923578,0cyclictest18085-21netstat11:55:010
189409923575,0cyclictest3851-21unixbench_singl07:44:240
189409923569,0cyclictest0-21swapper08:48:470
189409923558,0cyclictest0-21swapper12:02:390
189409923378,0cyclictest5233-21if_err_eth009:29:590
189409923291,0cyclictest21180-21smartctl10:24:070
189409923177,0cyclictest17563-21aten2.4-expect10:13:290
189409923175,0cyclictest6678-21grep09:34:500
189409923149,0cyclictest0-21swapper06:59:460
189409923065,0cyclictest24926-21latency12:15:050
189409922975,0cyclictest19357-21awk06:48:550
189409922972,0cyclictest3355-21runrttasks07:18:520
189409922874,0cyclictest11456-21awk08:08:410
189409922869,0cyclictest29776-21latency_hist10:53:020
189409922781,0cyclictest12039-21smartctl09:54:070
189409922757,0cyclictest17101-21awk08:24:500
189409922664,0cyclictest13624-21seq09:59:140
189409922472,0cyclictest21814-21tune2fs12:05:410
189409922469,0cyclictest30973-21telnet09:08:230
189409922465,0cyclictest29815-21telnet09:04:300
189409922459,0cyclictest10622-21sshd09:48:230
189409922433,0cyclictest9800-21snmpd07:40:580
189409922335,0cyclictest5723-21munin-node07:49:590
189409922274,0cyclictest9170-21munin-node08:00:150
189409922260,0cyclictest9795-21awk09:44:520
189409922237,0cyclictest7176-21python11:24:020
189409922034,0cyclictest23070-21zcat10:29:210
189409921859,0cyclictest0-21swapper11:40:050
189409921663,0cyclictest9800-21snmpd11:51:090
189409921140,0cyclictest494-21python07:34:030
189409920932,0cyclictest30032-21ntp_states10:53:380
189409920632,0cyclictest22292-21irqstats12:08:260
18927220144,0sleep018924-21munin-run06:48:030
189409919724,0cyclictest0-21swapper09:21:510
1894099190112,0cyclictest3355-21runrttasks11:19:360
1894099188103,0cyclictest9985-21munin-run11:33:030
1894099184104,0cyclictest3355-21runrttasks11:47:580
1894099182124,0cyclictest31119-21awk07:28:540
1894099180100,0cyclictest13070-21sshd08:13:240
1894099179103,0cyclictest3355-21runrttasks08:03:590
1894099178104,0cyclictest7631-21nfsd07:55:250
1894099176103,0cyclictest22924-21python08:44:030
189409917398,0cyclictest329-21tail11:03:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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