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2025-11-18 - 14:50
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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: normal
Duration: 5 hours, 33 minutes
Compare latency of primary with shadow system
Characteristics of the 20 highest latencies:
System rack3slot2.osadl.org (updated Tue Nov 18, 2025 12:44:53)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
198603222970,3sleep01986030-21ssh11:42:460
197658822820,3sleep01976590-21sed11:15:110
196381222720,3chrt1963815-21netstat10:35:420
190155899262234,18cyclictest1890115-21kworker/u2:207:35:130
192025522590,3chrt1920243-21ntpq08:15:460
192683522580,3chrt1926836-21latency_hist08:40:080
200206422570,3chrt2002061-21ssh12:31:180
200322522520,2sleep02003223-21acpi12:35:160
198859522470,3sleep01988597-21ntpq11:50:410
194588922460,4chrt1945885-21ntpq09:41:430
198006222430,2chrt1980060-21df_inode11:25:230
190768722370,3chrt1907686-21ld07:30:500
195719022360,2sleep01957191-21rm10:15:430
195540422330,3chrt1955405-21uname10:10:340
193044022240,4chrt1930441-21timerwakeupswit08:51:230
193438422050,2sleep01934385-21ntp_states09:06:100
194853722000,2sleep01948539-21grep09:50:110
200053421940,3sleep02000535-21awk12:26:480
199404821910,2sleep01994051-21sort12:06:550
190155899191163,18cyclictest1943150-21kworker/u2:010:05:060
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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