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2025-12-10 - 19:29
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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 50 highest latencies:
System rack7slot8.osadl.org (updated Wed Dec 10, 2025 13:44:17)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
11751223525,172sleep011445-21/usr/sbin/munin07:05:300
12635991888,130cyclictest29306-21seq08:15:180
126359916442,105cyclictest3650irq/20-4900000011:35:310
12635991627,96cyclictest3027-21apt-get08:42:160
12635991618,97cyclictest14153-21df07:15:190
12635991608,130cyclictest1801-21node07:13:560
12635991597,131cyclictest25065-21latency_hist08:00:040
126359915740,104cyclictest22378-21/usr/sbin/munin09:55:170
12635991558,93cyclictest1356-21snmpd10:47:110
126359915523,111cyclictest1356-21snmpd09:19:150
12635991548,126cyclictest1356-21snmpd10:51:370
126359915427,111cyclictest27549-21runrttasks08:09:530
126359915426,110cyclictest23089-21ntp_states12:05:460
126359915426,108cyclictest17833-21wget07:30:150
126359915351,92cyclictest25753-21runrttasks08:00:460
126359915240,98cyclictest5392-21df10:55:190
126359915228,108cyclictest27685-21/usr/sbin/munin08:10:110
12635991518,122cyclictest29821-21sshd10:25:150
12635991518,120cyclictest1077-21proc_pri08:30:450
12635991509,99cyclictest3057-21http08:40:040
12635991508,97cyclictest1356-21snmpd10:21:280
12635991508,103cyclictest30970-21ntp_states08:20:400
12635991507,124cyclictest23639-21/usr/sbin/munin10:00:160
12635991507,107cyclictest1801-21node10:14:280
126359915041,89cyclictest10150irq/55-4a10000012:00:530
126359915020,109cyclictest1356-21snmpd12:15:190
126359915020,105cyclictest7904-21/usr/sbin/munin11:05:200
126359914941,90cyclictest10150irq/55-4a10000007:45:280
126359914927,105cyclictest1356-21snmpd10:41:330
126359914911,103cyclictest23104-21ntpq07:50:420
12635991489,105cyclictest27890-21df_inode12:25:240
12635991486,122cyclictest20422-21seq11:55:310
12635991486,105cyclictest26650-21diskstats12:20:220
126359914851,79cyclictest10150irq/55-4a10000009:30:220
126359914838,100cyclictest31030-21runrttasks10:30:120
12635991479,125cyclictest9346-21ntp_states11:10:420
12635991478,124cyclictest18958-21/usr/sbin/munin07:35:520
12635991477,103cyclictest10960-21apt-get11:17:090
12635991476,109cyclictest1356-21snmpd09:21:160
126359914721,108cyclictest10250irq/56-4a10000011:54:510
126359914713,117cyclictest12810-21aten_r7power_vo11:25:150
12635991467,118cyclictest8622-21wget09:00:160
126359914641,93cyclictest10250irq/56-4a10000012:37:000
126359914612,114cyclictest1424-21nginx09:00:040
12635991459,93cyclictest15436-21df_inode07:20:200
12635991458,98cyclictest20340-21wget07:40:180
126359914537,96cyclictest17647-21ntpq09:35:400
126359914535,99cyclictest1801-21node09:29:210
126359914532,94cyclictest13951-21/usr/sbin/munin11:30:380
12635991448,94cyclictest19988-21diskstats09:45:250
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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