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2025-07-15 - 22:30
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Data to construct the above plot have been generated using the RT test utility cyclictest.
Unexpectedly long latencies may be caused by SMIs
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 rack1slot3.osadl.org (updated Tue Jul 15, 2025 12:43:47)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
717189991413,0cyclictest0-21swapper/312:14:133
717189991413,0cyclictest0-21swapper/307:25:273
71718999140,12cyclictest0-21swapper/309:35:153
717189991313,0cyclictest0-21swapper/311:47:363
717189991313,0cyclictest0-21swapper/311:37:213
717189991313,0cyclictest0-21swapper/310:40:003
717189991313,0cyclictest0-21swapper/308:50:273
717189991313,0cyclictest0-21swapper/308:50:263
717189991313,0cyclictest0-21swapper/308:48:233
717189991312,0cyclictest0-21swapper/312:22:263
717189991312,0cyclictest0-21swapper/308:19:433
71718999130,12cyclictest0-21swapper/310:05:143
71718999130,11cyclictest0-21swapper/307:35:123
71718999129,1cyclictest0-21swapper/312:35:123
717189991212,0cyclictest0-21swapper/312:19:203
717189991212,0cyclictest0-21swapper/311:44:323
717189991212,0cyclictest0-21swapper/311:02:333
717189991212,0cyclictest0-21swapper/310:52:183
717189991212,0cyclictest0-21swapper/310:18:303
717189991212,0cyclictest0-21swapper/310:02:073
717189991212,0cyclictest0-21swapper/308:41:133
717189991212,0cyclictest0-21swapper/307:45:573
717189991211,0cyclictest0-21swapper/311:55:483
717189991211,0cyclictest0-21swapper/308:38:103
717189991210,1cyclictest69450irq/121-eno108:34:443
71718999120,11cyclictest69450irq/121-eno109:20:163
71718999120,11cyclictest0-21swapper/308:55:133
71718999119,1cyclictest0-21swapper/312:05:133
717189991111,0cyclictest0-21swapper/311:16:543
717189991111,0cyclictest0-21swapper/311:12:483
717189991111,0cyclictest0-21swapper/310:56:243
717189991111,0cyclictest0-21swapper/309:48:483
717189991111,0cyclictest0-21swapper/309:02:453
717189991111,0cyclictest0-21swapper/308:00:163
717189991111,0cyclictest0-21swapper/307:16:153
717189991110,0cyclictest0-21swapper/311:20:163
717189991110,0cyclictest0-21swapper/308:12:343
71718999110,11cyclictest0-21swapper/308:05:163
71718999110,10cyclictest69450irq/121-eno112:00:153
71718999110,10cyclictest69450irq/121-eno111:07:183
71718999110,10cyclictest69450irq/121-eno110:45:143
71718999110,10cyclictest69450irq/121-eno108:20:143
71718999109,0cyclictest0-21swapper/307:10:133
717189991010,0cyclictest69450irq/121-eno109:10:133
717189991010,0cyclictest0-21swapper/311:30:113
717189991010,0cyclictest0-21swapper/308:28:573
717189991010,0cyclictest0-21swapper/307:56:113
717189991010,0cyclictest0-21swapper/307:41:513
717189991010,0cyclictest0-21swapper/307:24:253
71718999100,9cyclictest69450irq/121-eno110:14:223
71718999100,9cyclictest69450irq/121-eno109:41:203
71718999100,9cyclictest69450irq/121-eno109:26:443
71718999100,9cyclictest0-21swapper/310:30:273
71718999100,9cyclictest0-21swapper/309:15:173
71718999100,0cyclictest0-21swapper/309:30:113
7171899999,0cyclictest69450irq/121-eno112:30:183
7171899999,0cyclictest69450irq/121-eno111:25:143
7171899999,0cyclictest69450irq/121-eno110:25:133
7171899999,0cyclictest0-21swapper/312:25:133
7171899999,0cyclictest0-21swapper/311:50:403
7171899999,0cyclictest0-21swapper/309:54:583
7171899998,1cyclictest0-21swapper/310:35:153
7171899990,9cyclictest0-21swapper/310:20:013
13739890,8rtkit-daemon545-21hwrng08:42:160
7171899988,0cyclictest0-21swapper/309:58:013
7171899988,0cyclictest0-21swapper/307:52:043
7171899977,0cyclictest69450irq/121-eno109:05:203
7171899977,0cyclictest0-21swapper/307:34:403
794012250,0sleep1794166-21ntp_states10:20:191
759089250,4sleep2759243-21ntp_states08:55:182
716240250,3sleep30-21swapper/307:05:203
13739850,2rtkit-daemon754-21snmpd07:05:230
13739850,0rtkit-daemon0-21swapper/010:10:240
832038240,3sleep0832236-21/usr/sbin/munin11:50:230
716769242,1sleep20-21swapper/207:06:562
716653242,1sleep10-21swapper/107:05:271
13739840,2rtkit-daemon779601-21/usr/sbin/munin09:45:200
13739840,2rtkit-daemon763985-21diskmemload12:21:191
13739840,2rtkit-daemon756-21ntpd10:36:220
13739840,2rtkit-daemon610-21wpa_supplicant10:27:460
13739840,2rtkit-daemon1-21systemd12:04:231
13739840,2rtkit-daemon1-21systemd10:31:530
13739840,2rtkit-daemon1-21systemd07:12:490
13739840,1rtkit-daemon677-21gmain09:43:520
13739840,1rtkit-daemon1-21systemd11:48:461
843459233,0sleep2545-21hwrng12:18:192
812102230,2sleep1812106-21ssh11:03:341
760404230,1sleep2760430-21apt-get09:00:152
728116231,1sleep2728233-21wc07:35:172
13739830,2rtkit-daemon754-21snmpd08:51:030
13739830,2rtkit-daemon754-21snmpd08:51:020
13739830,2rtkit-daemon677-21gmain09:00:160
13739830,2rtkit-daemon597-21NetworkManager09:58:470
13739830,2rtkit-daemon1-21systemd12:14:011
13739830,1rtkit-daemon771780-21find09:25:200
13739830,1rtkit-daemon756-21ntpd07:50:250
13739830,1rtkit-daemon719191-21munin-node11:10:330
13739830,1rtkit-daemon719191-21munin-node09:30:090
13739830,1rtkit-daemon595-21avahi-daemon12:28:241
13739830,1rtkit-daemon595-21avahi-daemon12:17:561
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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