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2026-05-07 - 18:21
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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
Characteristics of the 792 highest latencies:
System rack2slot0.osadl.org (updated Thu May 07, 2026 12:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
2777821290,0sleep20-21swapper/210:55:492
3227721250,2sleep01347699cyclictest11:26:390
232482940,0sleep20-21swapper/211:28:412
255612830,0sleep1231rcuc/112:38:061
53622810,2sleep01347699cyclictest10:09:480
157642790,0sleep20-21swapper/212:06:422
284922760,0sleep00-21swapper/011:56:430
178052740,0sleep10-21swapper/112:29:081
226812620,0sleep30-21swapper/310:41:363
163642610,0sleep00-21swapper/010:19:020
158212550,0sleep00-21swapper/009:54:060
171582540,0sleep20-21swapper/211:58:332
102942540,0sleep30-21swapper/309:37:033
78412530,0sleep00-21swapper/011:13:330
288772510,0sleep20-21swapper/212:13:272
4022500,0sleep00-21swapper/009:21:500
239832500,0sleep30-21swapper/310:05:473
97442490,0sleep20-21swapper/212:31:102
221312490,0sleep20-21swapper/212:26:412
192642490,0sleep1231rcuc/110:21:591
309112480,0sleep10-21swapper/111:07:131
307762480,0sleep00-21swapper/011:34:520
281272470,0sleep20-21swapper/210:08:582
1301924735,7sleep30-21swapper/307:05:363
149612440,2sleep01347699cyclictest09:40:120
161062430,0sleep30-21swapper/311:05:553
73952410,0sleep00-21swapper/011:46:380
121172340,0sleep01347699cyclictest11:52:340
132062319,7sleep20-21swapper/207:07:592
14442280,0sleep00-21swapper/010:03:560
130952288,7sleep00-21swapper/007:06:330
92402210,0sleep00-21swapper/010:54:180
1309122110,7sleep10-21swapper/107:06:301
46522190,1sleep125-21ksoftirqd/110:48:231
286742190,1sleep1241ktimersoftd/109:55:111
263412190,0sleep026343-21bash10:30:510
23512190,11sleep375750irq/24-eno1-rx-10:23:213
189042190,0sleep30-21swapper/310:49:373
247532180,0sleep30-21swapper/309:46:323
148252180,1sleep114820-21lspci11:03:051
147432180,2sleep01347699cyclictest10:24:260
25582170,0sleep22557-21sshd10:48:122
159672170,1sleep30-21swapper/309:11:563
70402160,1sleep17038-21sshd11:57:401
206822160,0sleep30-21swapper/309:16:243
55902150,1sleep11072-21nfsd12:11:221
288962150,0sleep00-21swapper/011:18:060
189422150,0sleep018809-21sshd10:27:310
157842150,0sleep2321ktimersoftd/211:33:342
13483991513,1cyclictest4110-21lspci10:29:021
93432140,0sleep00-21swapper/012:31:080
74812140,0sleep00-21swapper/011:21:460
35642140,0sleep20-21swapper/212:36:102
288062140,0sleep20-21swapper/209:29:132
24402140,0sleep10-21swapper/112:19:311
13488991412,1cyclictest674-21dbus-daemon10:32:143
316762130,0sleep20-21swapper/209:52:402
13488991311,1cyclictest0-21swapper/311:52:143
1348899130,11cyclictest10020-21sshd10:35:043
13488991210,1cyclictest674-21dbus-daemon09:21:543
13488991210,1cyclictest27959-21lspci11:23:343
13488991210,1cyclictest0-21swapper/311:34:543
1348899120,1cyclictest0-21swapper/310:01:543
1348899120,11cyclictest12921-21systemd-cgroups09:40:043
1348899120,11cyclictest0-21swapper/309:28:143
13487991210,1cyclictest674-21dbus-daemon12:01:562
1348799120,1cyclictest30210-21lspci11:20:562
13483991210,1cyclictest674-21dbus-daemon10:38:121
13483991210,1cyclictest1-21systemd10:13:321
1348399120,1cyclictest9717-21grep10:51:321
1348399120,1cyclictest674-21dbus-daemon10:58:221
1348399120,11cyclictest620-17auditd10:19:221
13476991211,0cyclictest16544-21lspci09:31:330
186852110,0sleep30-21swapper/312:09:483
1348899119,1cyclictest9710-21lspci11:38:343
1348899110,1cyclictest11105-21sshd11:41:243
1348899110,10cyclictest0-21swapper/311:26:453
1348899110,10cyclictest0-21swapper/309:31:243
1348799119,1cyclictest4816-21sshd11:54:462
13487991110,0cyclictest0-21swapper/212:15:262
13487991110,0cyclictest0-21swapper/210:37:162
1348799110,10cyclictest0-21swapper/211:36:162
1348799110,0cyclictest0-21swapper/210:53:262
1348399110,1cyclictest2110-21sshd11:51:421
1348399110,10cyclictest0-21swapper/111:26:121
1348399110,10cyclictest0-21swapper/111:13:321
1348399110,10cyclictest0-21swapper/109:14:221
1347699119,1cyclictest642-21systemd-logind09:25:360
1347699113,1cyclictest9-21ksoftirqd/012:10:540
13476991110,0cyclictest0-21swapper/011:41:060
13476991110,0cyclictest0-21swapper/011:03:260
13476991110,0cyclictest0-21swapper/010:59:260
13476991110,0cyclictest0-21swapper/010:42:560
1347699110,10cyclictest0-21swapper/012:07:260
1347699110,10cyclictest0-21swapper/009:17:360
17572100,0sleep0111rcuc/011:35:080
1348899109,0cyclictest0-21swapper/312:03:243
1348899108,1cyclictest15981-21lspci10:54:543
1348899100,9cyclictest0-21swapper/311:14:043
1348799109,0cyclictest0-21swapper/211:11:262
1348799109,0cyclictest0-21swapper/211:00:162
1348799109,0cyclictest0-21swapper/210:26:362
1348799109,0cyclictest0-21swapper/210:01:162
1348799108,1cyclictest660-21avahi-daemon09:41:262
1348799100,0cyclictest0-21swapper/211:42:462
1348399109,0cyclictest11067-21sshd09:30:521
1348399109,0cyclictest0-21swapper/112:24:421
1348399109,0cyclictest0-21swapper/112:02:521
1348399109,0cyclictest0-21swapper/109:47:321
1348399109,0cyclictest0-21swapper/108:45:221
1348399109,0cyclictest0-21swapper/107:54:021
1348399109,0cyclictest0-21swapper/107:15:021
1348399107,2cyclictest660-21avahi-daemon09:52:021
1348399100,0cyclictest0-21swapper/112:33:021
1348399100,0cyclictest0-21swapper/111:38:021
1348399100,0cyclictest0-21swapper/109:35:121
1347699108,1cyclictest9-21ksoftirqd/010:36:330
1347699108,1cyclictest9-21ksoftirqd/009:11:200
1347699107,1cyclictest674-21dbus-daemon12:00:050
1347699105,1cyclictest9-21ksoftirqd/009:46:490
1347699101,1cyclictest131rcu_sched10:10:440
13476991010,0cyclictest527-40kipmi009:57:020
1347699100,0cyclictest0-21swapper/012:35:360
134889998,0cyclictest0-21swapper/312:25:143
134889990,8cyclictest13016-21sshd11:16:433
134879998,0cyclictest0-21swapper/212:23:462
134879998,0cyclictest0-21swapper/209:30:462
134839998,0cyclictest0-21swapper/110:04:321
134839998,0cyclictest0-21swapper/109:27:421
134839998,0cyclictest0-21swapper/109:21:021
134839992,1cyclictest121rcu_preempt12:07:571
134769998,0cyclictest9-21ksoftirqd/010:45:300
134769991,2cyclictest9-21ksoftirqd/012:18:000
134769990,8cyclictest6589-21kworker/0:009:37:280
6842280,6sleep1660-21avahi-daemon11:46:361
134889987,0cyclictest0-21swapper/312:20:043
134889987,0cyclictest0-21swapper/311:56:143
134889987,0cyclictest0-21swapper/310:27:143
134889986,1cyclictest674-21dbus-daemon12:16:543
134889986,1cyclictest660-21avahi-daemon12:39:303
134889986,1cyclictest4592-21lspci09:55:503
134889986,1cyclictest41-21ksoftirqd/312:34:563
134889986,1cyclictest29917-21lspci10:58:503
134889986,1cyclictest26462-21lspci10:14:223
134889986,1cyclictest22010-21lspci11:47:543
134889986,1cyclictest12940-21lspci09:53:513
134889985,2cyclictest660-21avahi-daemon12:13:323
134889985,2cyclictest660-21avahi-daemon10:15:463
134879987,0cyclictest0-21swapper/209:45:262
134879987,0cyclictest0-21swapper/209:10:562
134879986,1cyclictest642-21systemd-logind09:56:092
134879986,1cyclictest28762-21lspci11:48:292
134879986,1cyclictest11938-21lspci11:08:242
134879985,2cyclictest698-21gdbus10:11:092
134879985,2cyclictest660-21avahi-daemon11:19:552
134879985,2cyclictest660-21avahi-daemon10:41:232
134839987,0cyclictest0-21swapper/111:30:421
134839987,0cyclictest0-21swapper/111:21:521
134839985,2cyclictest660-21avahi-daemon11:42:011
134839985,2cyclictest660-21avahi-daemon11:18:551
134839985,2cyclictest660-21avahi-daemon10:43:091
134839984,3cyclictest31440-21sshd09:41:361
134839984,2cyclictest29979-21gdbus10:06:391
134769987,0cyclictest9-21ksoftirqd/012:20:250
134769986,1cyclictest9-21ksoftirqd/012:25:260
134769980,0cyclictest131rcu_sched11:05:060
134889975,1cyclictest18426-21lspci11:00:333
134879975,1cyclictest660-21avahi-daemon09:35:092
134879975,1cyclictest33-21ksoftirqd/210:30:292
134879974,2cyclictest660-21avahi-daemon09:23:482
134879974,2cyclictest660-21avahi-daemon09:18:202
134879974,2cyclictest5597-21sshd10:20:472
134839975,1cyclictest660-21avahi-daemon10:30:011
134839975,1cyclictest660-21avahi-daemon09:15:061
11724270,5sleep2370-21jbd2/sda1-810:15:482
134889964,1cyclictest674-21dbus-daemon08:50:003
134889964,1cyclictest649-21polkitd09:09:413
134889964,1cyclictest0-21swapper/308:15:143
134889963,2cyclictest674-21dbus-daemon07:15:013
134889963,2cyclictest1002-21snmpd08:56:483
134889963,2cyclictest1002-21snmpd08:40:263
134889963,2cyclictest1002-21snmpd08:36:413
134889963,2cyclictest1002-21snmpd07:43:393
134889963,2cyclictest1002-21snmpd07:28:453
134889963,2cyclictest1002-21snmpd07:24:483
134889960,5cyclictest0-21swapper/308:21:043
134889960,5cyclictest0-21swapper/307:51:443
134889960,2cyclictest15321-21ntp_states08:30:153
134879965,0cyclictest0-21swapper/207:58:062
134879964,1cyclictest1002-21snmpd07:20:052
134879960,5cyclictest0-21swapper/207:47:062
134839965,0cyclictest0-21swapper/108:10:021
134839960,5cyclictest0-21swapper/108:24:521
134769964,1cyclictest649-21polkitd09:09:450
134769960,5cyclictest0-21swapper/008:52:060
134769960,5cyclictest0-21swapper/007:45:060
134889955,0cyclictest401ktimersoftd/309:00:293
134889954,0cyclictest0-21swapper/307:45:043
134889953,1cyclictest723-21gdbus07:10:013
134889953,1cyclictest646-21lsmd08:50:333
134889953,1cyclictest591-21cat07:55:153
134889953,1cyclictest2718-21cat08:00:133
134889953,1cyclictest1705-21sendmail07:34:513
134889953,1cyclictest1002-21snmpd08:11:343
134889953,1cyclictest1002-21snmpd08:05:343
134889953,1cyclictest1002-21snmpd07:36:243
134889952,2cyclictest1002-21snmpd08:25:383
134879954,0cyclictest0-21swapper/208:17:262
134879954,0cyclictest0-21swapper/207:32:062
134879953,1cyclictest4730-21cat08:05:152
134879953,1cyclictest14162-21cat07:10:142
134879953,1cyclictest1002-21snmpd09:05:062
134879953,1cyclictest1002-21snmpd09:01:482
134879953,1cyclictest1002-21snmpd08:51:052
134879953,1cyclictest1002-21snmpd08:40:142
134879953,1cyclictest1002-21snmpd08:30:442
134879953,1cyclictest1002-21snmpd08:25:082
134879953,1cyclictest1002-21snmpd08:20:492
134879953,1cyclictest1002-21snmpd08:10:072
134879953,1cyclictest1002-21snmpd08:01:252
134879953,1cyclictest1002-21snmpd07:40:272
134879953,1cyclictest1002-21snmpd07:35:452
134879953,1cyclictest1002-21snmpd07:25:392
134879953,1cyclictest1002-21snmpd07:15:232
134879952,2cyclictest674-21dbus-daemon08:55:002
134879952,2cyclictest1002-21snmpd07:50:332
134879950,0cyclictest0-21swapper/208:45:462
134879950,0cyclictest0-21swapper/208:37:162
134839954,0cyclictest0-21swapper/108:57:421
134839954,0cyclictest0-21swapper/107:47:321
134839954,0cyclictest0-21swapper/107:36:121
134839953,1cyclictest699-21gdbus08:01:001
134839953,1cyclictest27490-21sensors_temp07:40:181
134839953,1cyclictest18574-21cpu08:40:111
134839953,1cyclictest1705-21sendmail09:05:091
134839953,1cyclictest12411-21/usr/sbin/munin08:25:191
134839953,1cyclictest1088-21ntpd07:20:171
134839953,1cyclictest1082-21lldpd07:30:071
134839953,1cyclictest1002-21snmpd09:00:211
134839953,1cyclictest1002-21snmpd08:30:231
134839953,1cyclictest1002-21snmpd08:15:071
134839953,1cyclictest1002-21snmpd08:05:041
134839953,1cyclictest1002-21snmpd07:55:011
134839953,1cyclictest1002-21snmpd07:12:531
134839953,1cyclictest0-21swapper/108:50:161
134839952,2cyclictest22118-21crond07:30:001
134839950,2cyclictest16752-21df08:35:111
134769954,0cyclictest0-21swapper/008:16:060
134769953,1cyclictest699-21gdbus07:30:010
134769953,1cyclictest6763-21cat08:10:130
134769953,1cyclictest4769-21cat08:05:150
134769953,1cyclictest24889-21cat07:35:140
134769953,1cyclictest18579-21cpuspeed_turbos08:40:110
134769953,1cyclictest16747-21cat07:15:130
134769953,1cyclictest1041-21rpcbind07:40:420
134769953,1cyclictest1002-21snmpd08:47:230
134769953,1cyclictest1002-21snmpd08:27:560
134769953,1cyclictest1002-21snmpd08:20:310
134769953,1cyclictest1002-21snmpd07:52:310
134769953,1cyclictest1002-21snmpd07:21:020
134769953,1cyclictest1002-21snmpd07:10:410
134769952,2cyclictest1002-21snmpd08:58:060
134769952,2cyclictest1002-21snmpd08:01:130
134769952,2cyclictest1002-21snmpd07:25:120
134769950,4cyclictest0-21swapper/009:03:560
134769950,4cyclictest0-21swapper/007:57:060
134769950,0cyclictest179102sleep008:35:260
134769942,1cyclictest14931-21mii-tool08:30:130
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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