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2026-06-18 - 03:33
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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 100 highest latencies:
System rack4slot4.osadl.org (updated Thu Jun 18, 2026 00:44:18)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
71730rcu_preempt0-21swapper/322:54:423
71730rcu_preempt0-21swapper/322:54:423
71730rcu_preempt0-21swapper/322:54:423
71720rcu_preempt0-21swapper/000:37:000
71720rcu_preempt0-21swapper/000:37:000
71720rcu_preempt0-21swapper/000:37:000
71600rcu_preempt29867-21apt-get23:58:413
71600rcu_preempt29867-21apt-get23:58:413
71600rcu_preempt29867-21apt-get23:58:413
71550rcu_preempt904-21spawn19:28:083
71550rcu_preempt904-21spawn19:28:083
1432999504cyclictest0-21swapper/119:27:211
1432999504cyclictest0-21swapper/119:27:211
71490rcu_preempt0-21swapper/121:08:311
71490rcu_preempt0-21swapper/121:08:311
71490rcu_preempt0-21swapper/121:08:311
71480rcu_preempt0-21swapper/221:54:392
71480rcu_preempt0-21swapper/221:54:392
71460rcu_preempt14122-21runrttasks19:12:410
71460rcu_preempt14122-21runrttasks19:12:410
71460rcu_preempt14122-21runrttasks19:12:410
71460rcu_preempt10164-21sort19:35:541
71460rcu_preempt10164-21sort19:35:541
71450rcu_preempt23360-1kworker/0:3H20:23:400
71450rcu_preempt23360-1kworker/0:3H20:23:400
46250450irq/120-QManpo13499-211
46250450irq/120-QManpo13499-211
46250450irq/120-QManpo13499-211
46050450irq/122-QManpo0-210
46050450irq/122-QManpo0-210
71440rcu_preempt25921-1kworker/0:2H19:34:110
71440rcu_preempt25921-1kworker/0:2H19:34:110
71440rcu_preempt0-21swapper/019:32:040
71440rcu_preempt0-21swapper/019:32:040
71440rcu_preempt0-21swapper/019:32:040
71430rcu_preempt12687-21od19:37:032
71430rcu_preempt12687-21od19:37:032
71430rcu_preempt0-21swapper/119:32:191
71430rcu_preempt0-21swapper/119:32:191
71430rcu_preempt0-21swapper/119:32:191
71430rcu_preempt0-21swapper/023:59:050
71430rcu_preempt0-21swapper/023:59:050
71430rcu_preempt0-21swapper/023:59:050
71430rcu_preempt0-21swapper/022:04:260
71430rcu_preempt0-21swapper/022:04:260
46050420irq/122-QManpo0-210
46050420irq/122-QManpo0-210
71410rcu_preempt1380-21spawn19:27:132
71410rcu_preempt1380-21spawn19:27:132
71410rcu_preempt0-21swapper/122:08:581
71410rcu_preempt0-21swapper/122:08:581
71410rcu_preempt0-21swapper/122:08:581
100650410irq/38-i2c-mpc1958-21snmpd19:51:402
100650410irq/38-i2c-mpc1958-21snmpd19:51:402
100650410irq/38-i2c-mpc1958-21snmpd19:51:402
71400rcu_preempt8114-21ssh22:13:540
71400rcu_preempt8114-21ssh22:13:540
71400rcu_preempt8114-21ssh22:13:540
71400rcu_preempt26927-1kworker/1:3H23:55:291
71400rcu_preempt26927-1kworker/1:3H23:55:291
71400rcu_preempt26927-1kworker/1:3H23:55:291
71400rcu_preempt1328-21sh00:04:500
71400rcu_preempt1328-21sh00:04:500
71400rcu_preempt1328-21sh00:04:500
71400rcu_preempt0-21swapper/222:04:102
71400rcu_preempt0-21swapper/222:04:102
71400rcu_preempt0-21swapper/123:58:401
71400rcu_preempt0-21swapper/123:58:401
71400rcu_preempt0-21swapper/123:58:401
71400rcu_preempt0-21swapper/119:15:311
71400rcu_preempt0-21swapper/119:15:311
71400rcu_preempt0-21swapper/119:15:311
71400rcu_preempt0-21swapper/023:23:490
71400rcu_preempt0-21swapper/023:23:490
71400rcu_preempt0-21swapper/022:00:040
71400rcu_preempt0-21swapper/022:00:040
71400rcu_preempt0-21swapper/021:55:110
71400rcu_preempt0-21swapper/021:55:110
46650400irq/116-QManpo11355-2110:48:553
46650400irq/116-QManpo11355-2110:48:553
46650400irq/116-QManpo11355-2110:48:553
46050400irq/122-QManpo0-210
46050400irq/122-QManpo0-210
71390rcu_preempt18673-21spawn19:26:390
71390rcu_preempt18673-21spawn19:26:390
71390rcu_preempt16200-1kworker/0:0H19:53:420
71390rcu_preempt16200-1kworker/0:0H19:53:420
71390rcu_preempt13867-21fstime19:14:570
71390rcu_preempt13867-21fstime19:14:570
71390rcu_preempt13867-21fstime19:14:570
71390rcu_preempt11632-21ssh00:24:532
71390rcu_preempt11632-21ssh00:24:532
71390rcu_preempt11632-21ssh00:24:532
71390rcu_preempt0-21swapper/122:31:401
71390rcu_preempt0-21swapper/122:31:401
71390rcu_preempt0-21swapper/122:31:401
71390rcu_preempt0-21swapper/100:12:491
71390rcu_preempt0-21swapper/100:12:491
71390rcu_preempt0-21swapper/100:12:491
71390rcu_preempt0-21swapper/023:42:100
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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