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2026-03-12 - 02:58
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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 highest latencies:
System rack2slot0.osadl.org (updated Thu Mar 12, 2026 00:43:48)
Delayed (victim)Switcher (culprit)TimestampCPU
PIDPrioTotal
latency
(µs)
T*(,W**)
latency
(µs)
CmdPIDPrioCmd
3079721050,1sleep09-21ksoftirqd/000:23:040
42882950,0sleep32492399cyclictest23:23:033
80002590,0sleep20-21swapper/222:34:082
101222590,0sleep20-21swapper/221:21:062
259522580,0sleep00-21swapper/000:30:530
106502560,0sleep00-21swapper/022:26:050
160882550,0sleep10-21swapper/123:59:491
303332540,0sleep20-21swapper/222:12:332
287002530,0sleep1231rcuc/123:33:211
169592530,1sleep30-21swapper/322:04:123
109012530,0sleep10-21swapper/122:28:541
285372520,0sleep20-21swapper/200:09:082
107992520,0sleep20-21swapper/221:39:162
181862510,0sleep00-21swapper/022:45:510
4082500,0sleep1710-21NetworkManager22:09:231
242972500,0sleep10-21swapper/122:18:521
165282500,0sleep20-21swapper/222:00:352
5092490,1sleep1241ktimersoftd/123:36:271
29402490,0sleep32938-21lspci00:12:263
2443524937,7sleep20-21swapper/219:05:202
241802490,0sleep00-21swapper/000:16:590
142472490,0sleep00-21swapper/023:26:370
71262480,0sleep0101ktimersoftd/021:31:490
315842480,0sleep20-21swapper/222:47:012
34562470,0sleep10-21swapper/123:12:001
166122470,0sleep10-21swapper/123:07:381
131482470,0sleep20-21swapper/221:16:012
214342460,0sleep10-21swapper/122:46:081
217072450,0sleep20-21swapper/222:43:292
241452440,2sleep02490699cyclictest22:18:520
222622420,2sleep02490699cyclictest22:11:390
245752287,7sleep00-21swapper/019:07:070
245042249,10sleep30-21swapper/319:06:143
24913992221,0cyclictest22888-21lspci22:01:181
245142218,8sleep10-21swapper/119:06:201
256562200,1sleep3660-21avahi-daemon21:47:463
179622180,0sleep00-21swapper/023:10:260
161402170,0sleep2311rcuc/223:46:012
257722160,0sleep20-21swapper/222:08:362
187972160,1sleep01-21systemd23:46:140
185672160,0sleep018564-21sshd00:02:450
49242150,0sleep34927-21bash22:55:393
299332150,1sleep31-21systemd00:03:453
280532150,0sleep0101ktimersoftd/021:18:440
2490699150,1cyclictest247042sleep021:44:150
241092150,0sleep30-21swapper/322:08:253
75822140,0sleep20-21swapper/223:06:512
70322140,0sleep30-21swapper/323:48:023
2492399140,13cyclictest624-13audispd00:15:223
20332140,0sleep00-21swapper/021:14:150
156082140,1sleep015604-21sshd00:05:140
92792130,0sleep29266-21bash23:59:142
73692130,0sleep1231rcuc/121:35:191
285772130,1sleep328578-21missed_timers20:35:143
24923991310,2cyclictest14502-21sshd23:59:423
24917991311,1cyclictest6349-21bash00:34:492
24913991310,2cyclictest674-21dbus-daemon00:39:441
39402120,0sleep10-21swapper/123:17:321
24923991210,1cyclictest1877-21sshd00:23:223
2491799120,1cyclictest10355-21sshd21:49:392
2491799120,11cyclictest11326-21sshd22:20:392
24913991211,0cyclictest7115-21lspci21:31:491
2491399120,1cyclictest29979-21gdbus23:41:101
2491399120,11cyclictest31547-21sshd21:13:441
2491399120,11cyclictest29175-21sshd23:27:541
2491399120,11cyclictest17341-21sshd00:21:531
2491399120,11cyclictest0-21swapper/123:54:241
24906991210,1cyclictest0-21swapper/023:22:340
2490699120,1cyclictest674-21dbus-daemon23:00:090
2490699120,11cyclictest28414-21lspci00:39:240
259762110,0sleep20-21swapper/223:11:092
24923991110,0cyclictest11730-21lspci23:18:113
24923991110,0cyclictest0-21swapper/322:15:523
2492399110,10cyclictest14608-21bash21:53:323
2492399110,10cyclictest0-21swapper/300:08:523
2491799119,1cyclictest33-21ksoftirqd/223:16:022
24917991110,0cyclictest0-21swapper/223:30:582
24913991110,0cyclictest8845-21lspci00:12:571
2491399110,10cyclictest0-21swapper/123:21:441
2491399110,0cyclictest27914-21sshd00:03:341
2491399110,0cyclictest0-21swapper/121:56:241
2490699119,1cyclictest642-21systemd-logind23:16:250
2490699119,1cyclictest27721-21systemd-cgroups23:55:150
24906991110,0cyclictest0-21swapper/021:36:250
2490699110,10cyclictest0-21swapper/021:47:250
45342100,1sleep14533-21sshd00:07:031
2492399109,0cyclictest31322-21lspci23:25:173
2492399109,0cyclictest0-21swapper/323:53:123
2492399109,0cyclictest0-21swapper/323:12:023
2492399107,2cyclictest29979-21gdbus22:31:123
2492399100,9cyclictest0-21swapper/320:21:223
2491799109,0cyclictest0-21swapper/223:24:492
2491799108,1cyclictest22074-21lspci23:38:192
2491799108,1cyclictest19235-21grepconf.sh00:02:492
2491799108,1cyclictest0-21swapper/223:53:392
2491799100,0cyclictest0-21swapper/221:11:182
2491399109,0cyclictest0-21swapper/122:30:541
2491399109,0cyclictest0-21swapper/121:20:241
2491399108,1cyclictest32275-21sshd00:28:441
2491399101,0cyclictest131rcu_sched00:15:251
2491399100,0cyclictest0-21swapper/121:41:241
2490699100,0cyclictest0-21swapper/000:10:550
249239998,0cyclictest0-21swapper/323:37:523
249239998,0cyclictest0-21swapper/322:20:123
249239998,0cyclictest0-21swapper/300:37:023
249239998,0cyclictest0-21swapper/300:30:123
249239997,1cyclictest642-21systemd-logind23:31:423
249239997,1cyclictest15824-21lspci21:10:513
249239995,3cyclictest660-21avahi-daemon23:40:253
249179998,0cyclictest0-21swapper/200:23:482
249179998,0cyclictest0-21swapper/200:15:492
249179997,1cyclictest33-21ksoftirqd/222:55:022
249179997,1cyclictest0-21swapper/223:44:292
249179996,1cyclictest33-21ksoftirqd/200:26:422
249179991,0cyclictest131rcu_sched21:58:282
249179990,8cyclictest9546-21kworker/2:121:34:492
249179990,2cyclictest674-21dbus-daemon22:35:422
249139998,0cyclictest32750-21lspci00:34:171
249139997,1cyclictest1-21systemd21:50:531
249139991,1cyclictest131rcu_sched23:46:401
249139990,0cyclictest131rcu_sched22:52:381
249139990,0cyclictest131rcu_sched22:21:571
249069998,0cyclictest0-21swapper/020:54:050
249069997,1cyclictest28837-21sshd23:36:050
249069990,5cyclictest19554-21munin-run20:15:000
249069990,0cyclictest0-21swapper/022:01:350
249239987,0cyclictest0-21swapper/322:14:423
249239987,0cyclictest0-21swapper/321:57:523
249239987,0cyclictest0-21swapper/321:16:223
249239987,0cyclictest0-21swapper/319:48:523
249239987,0cyclictest0-21swapper/319:10:023
249239986,1cyclictest660-21avahi-daemon21:29:543
249239986,1cyclictest32169-21lspci22:38:553
249239986,1cyclictest12518-21lspci23:01:493
249239985,2cyclictest660-21avahi-daemon22:46:503
249239985,2cyclictest660-21avahi-daemon21:33:013
249239985,2cyclictest660-21avahi-daemon00:29:353
249239984,3cyclictest674-21dbus-daemon23:07:173
249239980,7cyclictest0-21swapper/320:05:323
249179987,0cyclictest0-21swapper/221:42:092
249179986,1cyclictest5875-21lspci00:37:282
249179986,1cyclictest33-21ksoftirqd/221:25:012
249179986,1cyclictest22682-21sshd00:11:202
249179985,2cyclictest660-21avahi-daemon22:50:102
249179985,2cyclictest660-21avahi-daemon21:52:002
249179981,1cyclictest131rcu_sched23:00:312
249139987,0cyclictest0-21swapper/121:19:141
249139986,1cyclictest29074-21kworker/1:122:14:001
249139985,2cyclictest660-21avahi-daemon21:47:531
249139980,1cyclictest5698-21sshd22:55:441
249139980,1cyclictest13642-21grepconf.sh22:37:191
249069987,0cyclictest0-21swapper/022:30:340
249069986,1cyclictest642-21systemd-logind22:09:250
249069986,1cyclictest30800-21lspci23:50:050
249069986,1cyclictest1-21systemd22:50:050
249069985,2cyclictest674-21dbus-daemon23:05:420
249069985,2cyclictest660-21avahi-daemon23:31:030
249069985,2cyclictest660-21avahi-daemon22:55:380
249069985,2cyclictest660-21avahi-daemon22:22:080
249069980,4cyclictest7595-21munin-run21:04:590
10554280,1sleep210541-21sshd22:17:212
249239975,1cyclictest660-21avahi-daemon22:40:273
249239975,1cyclictest660-21avahi-daemon22:25:123
249239975,1cyclictest660-21avahi-daemon21:21:443
249239975,1cyclictest11093-21sshd21:35:443
249239974,2cyclictest660-21avahi-daemon22:50:483
249239974,2cyclictest649-21polkitd21:40:543
249179976,0cyclictest0-21swapper/220:45:182
249179976,0cyclictest0-21swapper/219:20:192
249179975,1cyclictest660-21avahi-daemon23:25:112
249179970,6cyclictest0-21swapper/221:05:292
249179970,1cyclictest131rcu_sched22:25:362
249139975,1cyclictest660-21avahi-daemon21:27:561
249139972,1cyclictest0-21swapper/122:40:011
249139970,6cyclictest18615-21kworker/1:123:00:031
249069976,1cyclictest24629-21lspci21:54:380
249069975,1cyclictest660-21avahi-daemon21:27:050
249069974,2cyclictest674-21dbus-daemon22:35:390
249069974,2cyclictest674-21dbus-daemon00:25:210
249069974,2cyclictest660-21avahi-daemon23:40:070
249069974,2cyclictest649-21polkitd22:40:130
249239965,0cyclictest0-21swapper/320:30:423
249239964,1cyclictest30635-21missed_timers20:40:143
249239964,1cyclictest0-21swapper/319:30:123
249239963,2cyclictest1002-21snmpd20:11:593
249239963,2cyclictest1002-21snmpd19:44:123
249239963,2cyclictest1002-21snmpd19:29:133
249239963,2cyclictest1002-21snmpd19:15:453
249179963,2cyclictest1002-21snmpd20:57:542
249179963,2cyclictest1002-21snmpd19:59:252
249179963,2cyclictest1002-21snmpd19:34:452
249179960,5cyclictest0-21swapper/219:48:292
249139964,1cyclictest674-21dbus-daemon21:04:551
249139964,1cyclictest1002-21snmpd21:09:191
249139963,2cyclictest1002-21snmpd19:13:221
249139960,5cyclictest19326-21sshd20:12:191
249139960,5cyclictest15492-21perf20:05:001
249069965,0cyclictest18332-21kworker/0:219:10:140
249069965,0cyclictest0-21swapper/020:55:350
249069964,1cyclictest9008-21sshd21:20:540
249069964,1cyclictest649-21polkitd21:55:120
249069964,1cyclictest649-21polkitd20:20:010
249069964,1cyclictest1002-21snmpd19:29:220
249069963,2cyclictest1002-21snmpd19:51:410
249069961,4cyclictest13442-21munin-run20:00:000
249239953,1cyclictest8089-21df_inode21:05:123
249239953,1cyclictest6262-21cat21:00:123
249239953,1cyclictest20279-21cat20:15:163
249239953,1cyclictest1002-21snmpd20:55:093
249239953,1cyclictest1002-21snmpd20:53:183
249239953,1cyclictest1002-21snmpd20:45:153
249239953,1cyclictest1002-21snmpd20:00:473
249239953,1cyclictest1002-21snmpd19:55:053
249239953,1cyclictest1002-21snmpd19:53:143
249239953,1cyclictest1002-21snmpd19:35:313
249239952,2cyclictest699-21gdbus20:25:013
249239952,2cyclictest1002-21snmpd19:20:343
249179954,0cyclictest0-21swapper/220:35:292
249179953,1cyclictest6044-21diskstats21:00:112
249179953,1cyclictest5522-21/usr/sbin/munin19:40:102
249179953,1cyclictest22316-21cat20:20:132
249179953,1cyclictest1088-21ntpd19:15:012
249179953,1cyclictest1002-21snmpd20:30:392
249179953,1cyclictest1002-21snmpd20:10:052
249179953,1cyclictest1002-21snmpd20:00:112
249179953,1cyclictest1002-21snmpd19:50:052
249179953,1cyclictest1002-21snmpd19:35:162
249179953,1cyclictest1002-21snmpd19:26:312
249179953,1cyclictest1002-21snmpd19:12:492
249179952,2cyclictest31409-21seq20:40:322
249179952,2cyclictest16548-21ntpdc20:05:152
249179952,2cyclictest1002-21snmpd20:50:092
249179952,2cyclictest1002-21snmpd20:29:512
249179952,2cyclictest1002-21snmpd20:16:442
249139954,1cyclictest19250-21kworker/1:120:15:421
249139954,0cyclictest11435-21kworker/1:219:59:591
249139953,1cyclictest8932-21head19:45:211
249139953,1cyclictest6371-21ntpq19:40:141
249139953,1cyclictest4223-21cat20:55:121
249139953,1cyclictest32502-21cat20:45:131
249139953,1cyclictest27179-21cpuspeed_turbos19:15:001
249139953,1cyclictest15109-21kworker/1:020:08:461
249139953,1cyclictest10087-21cat19:50:141
249139953,1cyclictest1002-21snmpd20:32:271
249139953,1cyclictest1002-21snmpd20:26:181
249139953,1cyclictest1002-21snmpd20:22:061
249139953,1cyclictest1002-21snmpd19:32:071
249139953,1cyclictest1002-21snmpd19:27:281
249139953,1cyclictest1002-21snmpd19:21:101
249139952,2cyclictest28278-21head20:35:121
249139950,4cyclictest29974-21/usr/sbin/munin20:40:141
249139950,2cyclictest3482-21/usr/sbin/munin19:35:111
249139950,0cyclictest0-21swapper/120:52:541
249069953,1cyclictest32500-21cat20:45:130
249069953,1cyclictest1088-21ntpd21:05:150
249069953,1cyclictest1088-21ntpd20:00:190
249069953,1cyclictest1082-21lldpd20:09:350
249069953,1cyclictest1082-21lldpd19:40:140
249069953,1cyclictest1002-21snmpd20:40:480
249069953,1cyclictest1002-21snmpd20:32:210
249069953,1cyclictest1002-21snmpd20:20:450
249069953,1cyclictest1002-21snmpd19:37:550
249069953,1cyclictest1002-21snmpd19:31:070
249069953,1cyclictest1002-21snmpd19:17:070
249069952,2cyclictest1002-21snmpd20:35:470
249069952,2cyclictest1002-21snmpd20:27:150
249069944,0cyclictest3007-21kworker/0:119:45:010
249069944,0cyclictest29131-21kworker/0:019:19:590
*Timer  **Wakeup  (latency=timer+wakeup+contextswitch)

 

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