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idlestat's Introduction
Introduction ------------ The purpose of idlestat is to measure how long we have been in the different idle and operating states. Idlestat uses kernel's FTRACE function to monitor and capture C-state and P-state transitions of CPUs over a time interval. It extracts the following information from trace file: - Times when CPUs entered and exited a certain C-state - Times when CPUs entered and exited a certain P-state - Raised IRQs Following a successful run, idlestat calculates and reports the following information: - Total, average, minimum and maximum time spent in each C-state, per-CPU. - Total, average, minimum and maximum time spent in each P-state, per-CPU. - Total, average, minimum and maximum time during which all CPUs in a cluster were in the same C-state, per-cluster. - Number of times a certain IRQ caused a CPU to exit idle state, per-CPU and per-IRQ Requirements ------------ 1. It must be run as root in order to access /sys/kernel/debug. 2. It requires tracing to be enabled in the kernel Help ---- ./idlestat -h will show all the options Example Usage ------------- Trace mode: sudo ./idlestat --trace -f /tmp/mytrace -t 10 Reporting mode (/tmp/mytrace already contains traces): sudo ./idlestat --import -f /tmp/mytrace Trace mode with workload (e.g. sleep, cyclictest): sudo ./idlestat --trace -f /tmp/mytrace -t 10 -- /bin/sleep 10 sudo ./idlestat --trace -f /tmp/myoutput -t 10 -- cyclictest -t 4 -i 2000 -q -D 5 Selective trace output sudo ./idlestate --import -f /tmp/mytrace -w sudo ./idlestate --import -f /tmp/mytrace -c -p sudo ./idlestate --import -f /tmp/mytrace -p -w
idlestat's People
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idlestat's Issues
Report style default does not exist
I can't run this tool, it always return "Report style default does not exist":
idlestat --trace -f /data/local/tmp/mytrace -t 10
Report style default does not exist
The report data is not accuracy
I use rt-app simulating the load of cpu。
the configure file for rt-app as following
{
"tasks": {
"thread0": {
"instance": 1,
"loop": -1,
"run": 500,
"sleep": 500,
"cpus":[7]
}
},
"global": {
"duration": 20,
"calibration": "CPU0",
"default_policy": "SCHED_OTHER",
"pi_enabled": false,
"lock_pages": false,
"logdir": "./",
"log_basename": "rt-app-test",
"gnuplot": true
}
}
just run one thread on core7 and 500 usec loop 500 usec sleep up to 20 seconds
the commnd to excute idlestat as following
./idlestat --trace -f ./trace.log -t 20 -p -c -w -o ./report.log -- ./rt-app ./test.json
the trace file as following
idlestat version = 0.5
cpus=8
clusterA:
core0
cpu0
core1
cpu1
core2
cpu2
core3
cpu3
clusterB:
core0
cpu4
core1
cpu5
core2
cpu6
core3
cpu7
cpuid 0:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 1:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 2:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 3:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 4:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 5:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 6:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
cpuid 7:
WFI
1
core_pd
2500
cluster_pd
3000
deep_sleep
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
(null)
-1
idlestat-4483 [000] .... 181.981698: cpu_frequency: state=768000 cpu_id=0
idlestat-4483 [001] .... 181.981698: cpu_frequency: state=768000 cpu_id=1
idlestat-4483 [002] .... 181.981698: cpu_frequency: state=768000 cpu_id=2
idlestat-4483 [003] .... 181.981698: cpu_frequency: state=768000 cpu_id=3
idlestat-4483 [004] .... 181.981698: cpu_frequency: state=1650000 cpu_id=4
idlestat-4483 [005] .... 181.981698: cpu_frequency: state=1650000 cpu_id=5
idlestat-4483 [006] .... 181.981698: cpu_frequency: state=1650000 cpu_id=6
idlestat-4483 [007] .... 181.981698: cpu_frequency: state=1650000 cpu_id=7
-0 [001] dn.2 181.984866: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 181.984885: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 181.985267: cpu_idle: state=2 cpu_id=1
-0 [003] dn.2 181.986745: cpu_idle: state=4294967295 cpu_id=3
-0 [003] dn.2 181.986755: ipi_entry: (Rescheduling interrupts)
-0 [003] d..2 181.986889: cpu_idle: state=2 cpu_id=3
-0 [004] dn.2 181.987655: cpu_idle: state=4294967295 cpu_id=4
-0 [004] dn.2 181.987668: ipi_entry: (Rescheduling interrupts)
-0 [004] d..2 181.987802: cpu_idle: state=2 cpu_id=4
-0 [005] dn.2 181.992477: cpu_idle: state=4294967295 cpu_id=5
-0 [005] dn.2 181.992490: ipi_entry: (Rescheduling interrupts)
-0 [005] d..2 181.992608: cpu_idle: state=2 cpu_id=5
-0 [005] dn.2 182.004797: cpu_idle: state=4294967295 cpu_id=5
-0 [005] dn.2 182.004802: ipi_entry: (Rescheduling interrupts)
-0 [005] d..2 182.005087: cpu_idle: state=2 cpu_id=5
-0 [001] dn.2 182.013154: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 182.013164: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 182.013249: cpu_idle: state=2 cpu_id=1
-0 [001] d..2 182.026463: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 182.026485: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 182.026612: cpu_idle: state=2 cpu_id=1
-0 [001] d..2 182.032442: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 182.032454: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 182.032489: cpu_idle: state=2 cpu_id=1
-0 [001] d..2 182.046798: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 182.046820: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 182.047072: cpu_idle: state=2 cpu_id=1
-0 [006] d..2 182.590620: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.590622: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.590650: cpu_idle: state=0 cpu_id=6
-0 [006] d..2 182.590789: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.590791: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.590817: cpu_idle: state=0 cpu_id=6
-0 [006] d..2 182.590961: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.590962: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.590988: cpu_idle: state=0 cpu_id=6
-0 [006] d..2 182.591024: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.591025: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.591050: cpu_idle: state=0 cpu_id=6
-0 [006] d..2 182.591090: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.591093: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.591120: cpu_idle: state=0 cpu_id=6
-0 [006] d..2 182.591258: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.591260: ipi_entry: (Rescheduling interrupts)
-0 [006] dnh2 182.591268: irq_handler_entry: irq=30 name=arch_timer
-0 [006] d..2 182.591345: cpu_idle: state=2 cpu_id=6
-0 [006] d..2 182.597810: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.597829: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.597965: cpu_idle: state=2 cpu_id=6
-0 [006] d..2 182.604619: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.604638: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.604784: cpu_idle: state=2 cpu_id=6
-0 [006] d..2 182.611438: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.611457: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.611616: cpu_idle: state=2 cpu_id=6
-0 [006] d..2 182.618283: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.618302: ipi_entry: (Rescheduling interrupts)
-0 [006] d..2 182.618473: cpu_idle: state=0 cpu_id=6
-0 [006] d..2 182.621259: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d.h2 182.621267: irq_handler_entry: irq=30 name=arch_timer
-0 [006] d..2 182.621325: cpu_idle: state=2 cpu_id=6
-0 [006] d..2 182.893034: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 182.893052: ipi_entry: (Timer broadcast interrupts)
-0 [006] d..2 182.893214: cpu_idle: state=2 cpu_id=6
-0 [005] d..2 182.922986: cpu_idle: state=4294967295 cpu_id=5
-0 [005] d..2 182.922999: ipi_entry: (Timer broadcast interrupts)
-0 [005] d..2 182.923136: cpu_idle: state=2 cpu_id=5
-0 [004] d..2 182.953006: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 182.953023: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 182.953267: cpu_idle: state=2 cpu_id=4
-0 [001] d..2 183.044953: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 183.044975: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 183.045195: cpu_idle: state=2 cpu_id=1
-0 [004] d..2 183.217711: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 183.217729: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 183.217984: cpu_idle: state=2 cpu_id=4
-0 [006] d..2 183.892985: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 183.893003: ipi_entry: (Timer broadcast interrupts)
-0 [006] d..2 183.893166: cpu_idle: state=2 cpu_id=6
-0 [005] d..2 183.922979: cpu_idle: state=4294967295 cpu_id=5
-0 [005] d..2 183.922994: ipi_entry: (Timer broadcast interrupts)
-0 [005] d..2 183.923126: cpu_idle: state=2 cpu_id=5
-0 [004] d..2 183.952992: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 183.953009: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 183.953168: cpu_idle: state=2 cpu_id=4
-0 [001] d..2 184.042251: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 184.042262: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 184.042310: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 184.042322: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 184.042369: cpu_idle: state=2 cpu_id=4
-0 [001] d..2 184.042399: cpu_idle: state=2 cpu_id=1
-0 [003] d..2 184.143249: cpu_idle: state=4294967295 cpu_id=3
-0 [003] d..2 184.143261: ipi_entry: (Timer broadcast interrupts)
-0 [003] d..2 184.143349: cpu_idle: state=2 cpu_id=3
-0 [006] d..2 184.143350: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 184.143363: ipi_entry: (Timer broadcast interrupts)
-0 [006] d..2 184.143452: cpu_idle: state=2 cpu_id=6
-0 [001] d..2 184.143846: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 184.143855: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 184.143938: cpu_idle: state=2 cpu_id=1
-0 [004] d..2 184.144505: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 184.144510: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 184.144558: cpu_idle: state=2 cpu_id=4
-0 [005] d..2 184.654389: cpu_idle: state=4294967295 cpu_id=5
-0 [005] d..2 184.654406: ipi_entry: (Timer broadcast interrupts)
-0 [005] d..2 184.654527: cpu_idle: state=2 cpu_id=5
-0 [004] d..2 186.219499: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 186.219512: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 186.219720: cpu_idle: state=2 cpu_id=4
-0 [001] dn.2 186.229184: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.229206: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.229386: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.235197: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.235206: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.235943: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.921676: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.921687: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.921828: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.925693: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.925715: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.925845: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.929864: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.929874: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.929943: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.930599: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.930602: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.930649: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.931177: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.931183: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.931231: cpu_idle: state=0 cpu_id=1
-0 [001] d..2 186.931260: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d.h2 186.931266: irq_handler_entry: irq=30 name=arch_timer
irq/73-mmc0-1343 [001] d..3 186.931984: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.932125: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.933285: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.933295: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.933415: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.934937: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.934946: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.935004: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 186.937345: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.937354: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.937422: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.938094: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.938097: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.938143: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.938570: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.938574: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.938619: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.938743: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.938746: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.938788: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.939268: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.939273: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.939314: cpu_idle: state=0 cpu_id=1
-0 [001] dn.2 186.940124: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 186.940127: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 186.940169: cpu_idle: state=0 cpu_id=1
-0 [001] d..2 186.941260: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d.h2 186.941268: irq_handler_entry: irq=30 name=arch_timer
-0 [001] d..2 186.941339: cpu_idle: state=2 cpu_id=1
-0 [001] d..2 187.024797: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 187.024818: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 187.024946: cpu_idle: state=1 cpu_id=1
-0 [001] d..2 187.032673: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 187.032680: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 187.032854: cpu_idle: state=2 cpu_id=1
-0 [001] d..2 187.234723: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 187.234742: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 187.234846: cpu_idle: state=2 cpu_id=1
-0 [006] d..2 188.143247: cpu_idle: state=4294967295 cpu_id=6
-0 [006] d..2 188.143264: ipi_entry: (Timer broadcast interrupts)
-0 [006] d..2 188.143383: cpu_idle: state=2 cpu_id=6
-0 [004] d..2 188.144124: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 188.144129: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 188.144175: cpu_idle: state=2 cpu_id=4
-0 [003] d..2 188.147123: cpu_idle: state=4294967295 cpu_id=3
-0 [003] d..2 188.147144: ipi_entry: (Timer broadcast interrupts)
-0 [003] d..2 188.147295: cpu_idle: state=2 cpu_id=3
-0 [001] d..2 188.147547: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 188.147556: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 188.147642: cpu_idle: state=2 cpu_id=1
-0 [005] d..2 188.656532: cpu_idle: state=4294967295 cpu_id=5
-0 [005] d..2 188.656550: ipi_entry: (Timer broadcast interrupts)
-0 [005] d..2 188.656674: cpu_idle: state=2 cpu_id=5
-0 [001] dn.2 188.742360: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 188.742383: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 188.742561: cpu_idle: state=2 cpu_id=1
-0 [004] d..2 189.221443: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 189.221461: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 189.221701: cpu_idle: state=2 cpu_id=4
-0 [001] d..2 189.234701: cpu_idle: state=4294967295 cpu_id=1
-0 [001] d..2 189.234710: ipi_entry: (Timer broadcast interrupts)
-0 [001] d..2 189.234799: cpu_idle: state=2 cpu_id=1
-0 [004] d..2 190.042278: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 190.042296: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 190.042343: cpu_idle: state=2 cpu_id=4
-0 [004] d..2 190.323017: cpu_idle: state=4294967295 cpu_id=4
-0 [004] d..2 190.323034: ipi_entry: (Timer broadcast interrupts)
-0 [004] d..2 190.323095: cpu_idle: state=2 cpu_id=4
-0 [001] dn.2 190.697274: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 190.697281: ipi_entry: (Rescheduling interrupts)
-0 [001] dn.2 190.697642: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 190.697743: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 190.697747: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 190.697791: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 190.697884: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 190.697887: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 190.697933: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 190.698969: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 190.698973: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 190.699215: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 190.861989: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 190.862005: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 190.862076: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.943285: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.943295: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.943388: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.944990: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.944997: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.945067: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.947178: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.947187: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.947258: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.948799: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.948807: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.948878: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.950617: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.950626: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.950693: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.950796: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.950802: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.950854: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.950950: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.950957: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.951008: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.951104: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.951109: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.951160: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.952471: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.952478: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.952544: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.954096: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.954103: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.954167: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.957014: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.957023: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.957088: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.957232: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.957237: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.957292: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.959500: cpu_idle: state=4294967295 cpu_id=1
-0 [001] dn.2 191.959508: ipi_entry: (Rescheduling interrupts)
-0 [001] d..2 191.959575: cpu_idle: state=2 cpu_id=1
-0 [001] dn.2 191.961165: cpu_idle: state=4294967295 cpu_id=1
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