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20 hours ago •
intel
intel
Is pcm supported for Core i7?
Is pcm supported for Core i7? or is it supported for Core processors in general? or does it support only Xeon?
I am using pcm-power on my laptop with below processor
$ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 39 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 16
On-line CPU(s) list: 0-15
Vendor ID: GenuineIntel
Model name: 11th Gen Intel(R) Core(TM) i7-11850H @ 2.50GHz
CPU family: 6
Model: 141
Thread(s) per core: 2
Core(s) per socket: 8
Socket(s): 1
Stepping: 1
CPU(s) scaling MHz: 30%
CPU max MHz: 4800.0000
CPU min MHz: 800.0000
i am getting following error
Unsupported processor model (140).
the main pcm utility should be supported on your CPU. For pcm-power this is the answer: https://github.com/intel/pcm/blob/master/doc/FAQ.md#q5
actually i have been using pcm-senseor-server and connecting the prometheus + grafana to it to view the metrics. But that grafana doesn't show Socket Energy Consumption. It shows 'No Data' message.
i compiled the pcm-sensor-server locally and using that.
does the pcm command line utility show the energy consumption? Could you post a screenshot from the pcm output?
it seems to show power values
$ sudo pcm
Intel(r) Performance Counter Monitor (2023-07-14 10:01:29 +0200 ID=ccc53261)
===== Processor information =====
Linux arch_perfmon flag : yes
Hybrid processor : no
IBRS and IBPB supported : yes
STIBP supported : yes
Spec arch caps supported : yes
Max CPUID level : 27
CPU model number : 141
Number of physical cores: 8
Number of logical cores: 16
Number of online logical cores: 16
Threads (logical cores) per physical core: 2
Num sockets: 1
Physical cores per socket: 8
Last level cache slices per socket: 8
Core PMU (perfmon) version: 5
Number of core PMU generic (programmable) counters: 8
Width of generic (programmable) counters: 48 bits
Number of core PMU fixed counters: 4
Width of fixed counters: 48 bits
Nominal core frequency: 2500000000 Hz
IBRS enabled in the kernel : yes
STIBP enabled in the kernel : no
The processor is not susceptible to Rogue Data Cache Load: yes
The processor supports enhanced IBRS : yes
Package thermal spec power: 45 Watt; Package minimum power: 0 Watt; Package maximum power: 0 Watt;
INFO: Linux perf interface to program uncore PMUs is NOT present
Closed perf event handles
Trying to use Linux perf events...
Successfully programmed on-core PMU using Linux perf
Detected 11th Gen Intel(R) Core(TM) i7-11850H @ 2.50GHz "Intel(r) microarchitecture codename Tiger Lake" stepping 1 microcode level 0x46
EXEC : instructions per nominal CPU cycle
IPC : instructions per CPU cycle
FREQ : relation to nominal CPU frequency='unhalted clock ticks'/'invariant timer ticks' (includes Intel Turbo Boost)
AFREQ : relation to nominal CPU frequency while in active state (not in power-saving C state)='unhalted clock ticks'/'invariant timer ticks while in C0-state' (includes Intel Turbo Boost)
L3MISS: L3 (read) cache misses
L2MISS: L2 (read) cache misses (including other core's L2 cache *hits*)
L3HIT : L3 (read) cache hit ratio (0.00-1.00)
L2HIT : L2 cache hit ratio (0.00-1.00)
L3MPI : number of L3 (read) cache misses per instruction
L2MPI : number of L2 (read) cache misses per instruction
READ : bytes read from main memory controller (in GBytes)
WRITE : bytes written to main memory controller (in GBytes)
TEMP : Temperature reading in 1 degree Celsius relative to the TjMax temperature (thermal headroom): 0 corresponds to the max temperature
energy: Energy in Joules
Core (SKT) | EXEC | IPC | FREQ | AFREQ | L3MISS | L2MISS | L3HIT | L2HIT | L3MPI | L2MPI | TEMP
0 0 0.03 1.08 0.02 0.43 45 K 109 K 0.54 0.29 0.0007 0.0017 56
1 0 0.00 0.35 0.01 0.51 10 K 44 K 0.73 0.32 0.0021 0.0087 56
2 0 0.00 0.37 0.01 0.45 31 K 70 K 0.52 0.28 0.0033 0.0075 54
3 0 0.01 0.97 0.01 0.52 24 K 56 K 0.52 0.43 0.0009 0.0020 56
4 0 0.00 0.34 0.01 0.43 40 K 92 K 0.54 0.42 0.0055 0.0124 56
5 0 0.00 0.35 0.01 0.44 57 K 95 K 0.37 0.37 0.0050 0.0083 55
6 0 0.01 0.50 0.03 0.81 32 K 80 K 0.58 0.58 0.0010 0.0025 57
7 0 0.00 0.47 0.01 0.43 21 K 50 K 0.53 0.70 0.0019 0.0045 56
8 0 0.01 0.49 0.02 0.53 50 K 110 K 0.51 0.43 0.0021 0.0046 56
9 0 0.00 0.45 0.01 0.49 31 K 82 K 0.60 0.49 0.0039 0.0102 56
10 0 0.00 0.64 0.01 0.62 15 K 43 K 0.62 0.32 0.0016 0.0046 54
11 0 0.00 0.40 0.01 0.48 24 K 55 K 0.51 0.38 0.0029 0.0066 56
12 0 0.01 0.92 0.01 0.46 16 K 39 K 0.53 0.34 0.0010 0.0023 56
13 0 0.07 1.01 0.07 1.05 173 K 402 K 0.56 0.83 0.0009 0.0022 55
14 0 0.01 0.76 0.01 0.57 34 K 74 K 0.52 0.34 0.0017 0.0037 57
15 0 0.01 0.61 0.01 0.50 44 K 102 K 0.54 0.54 0.0020 0.0046 56
---------------------------------------------------------------------------------------------------------------
SKT 0 0.01 0.73 0.02 0.60 656 K 1513 K 0.54 0.66 0.0014 0.0032 50
---------------------------------------------------------------------------------------------------------------
TOTAL * 0.01 0.73 0.02 0.60 656 K 1513 K 0.54 0.66 0.0014 0.0032 N/A
Instructions retired: 467 M ; Active cycles: 644 M ; Time (TSC): 2497 Mticks ; C0 (active,non-halted) core residency: 2.69 %
C1 core residency: 7.96 %; C3 core residency: 0.00 %; C6 core residency: 0.00 %; C7 core residency: 89.35 %;
C0 package residency: 41.20 %; C2 package residency: 56.77 %; C3 package residency: 2.04 %; C6 package residency: 0.00 %; C7 package residency: 0.00 %; C8 package residency: 0.00 %; C9 package residency: 0.00 %; C10 package residency: 0.00 %;
┌───────────────────────────────────────────────────────────────────────────────┐
Core C-state distribution│0011111177777777777777777777777777777777777777777777777777777777777777777777777│
└───────────────────────────────────────────────────────────────────────────────┘
┌────────────────────────────────────────────────────────────────────────────────┐
Package C-state distribution│00000000000000000000000000000000022222222222222222222222222222222222222222222233│
└────────────────────────────────────────────────────────────────────────────────┘
PHYSICAL CORE IPC : 1.45 => corresponds to 29.03 % utilization for cores in active state
Instructions per nominal CPU cycle: 0.02 => corresponds to 0.47 % core utilization over time interval
Pipeline stalls: Frontend bound: 40 %, bad Speculation: 9 %, Backend bound: 33 %, Retiring: 15 %
┌─────────────────────────────────────────────────────────────────────────────────┐
Pipeline stall distribution │FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFSSSSSSSSBBBBBBBBBBBBBBBBBBBBBBBBBBBRRRRRRRRRRRRR│
└─────────────────────────────────────────────────────────────────────────────────┘
SMI count: 0
---------------------------------------------------------------------------------------------------------------
MEM (GB)->| READ | WRITE | CPU energy |
---------------------------------------------------------------------------------------------------------------
SKT 0 0.58 0.20 3.79
---------------------------------------------------------------------------------------------------------------
EXEC : instructions per nominal CPU cycle
IPC : instructions per CPU cycle
FREQ : relation to nominal CPU frequency='unhalted clock ticks'/'invariant timer ticks' (includes Intel Turbo Boost)
AFREQ : relation to nominal CPU frequency while in active state (not in power-saving C state)='unhalted clock ticks'/'invariant timer ticks while in C0-state' (includes Intel Turbo Boost)
L3MISS: L3 (read) cache misses
L2MISS: L2 (read) cache misses (including other core's L2 cache *hits*)
L3HIT : L3 (read) cache hit ratio (0.00-1.00)
L2HIT : L2 cache hit ratio (0.00-1.00)
L3MPI : number of L3 (read) cache misses per instruction
L2MPI : number of L2 (read) cache misses per instruction
READ : bytes read from main memory controller (in GBytes)
WRITE : bytes written to main memory controller (in GBytes)
TEMP : Temperature reading in 1 degree Celsius relative to the TjMax temperature (thermal headroom): 0 corresponds to the max temperature
energy: Energy in Joules
Core (SKT) | EXEC | IPC | FREQ | AFREQ | L3MISS | L2MISS | L3HIT | L2HIT | L3MPI | L2MPI | TEMP
0 0 0.00 0.36 0.01 0.40 34 K 104 K 0.63 0.28 0.0033 0.0098 56
1 0 0.00 0.98 0.00 0.41 8349 24 K 0.61 0.31 0.0008 0.0023 57
2 0 0.00 0.37 0.01 0.43 27 K 56 K 0.48 0.25 0.0036 0.0074 55
3 0 0.03 1.48 0.02 0.43 38 K 77 K 0.48 0.26 0.0005 0.0010 57
4 0 0.04 0.89 0.04 0.78 151 K 270 K 0.43 0.79 0.0015 0.0027 56
5 0 0.01 0.48 0.02 0.46 106 K 313 K 0.66 0.53 0.0046 0.0137 57
6 0 0.01 0.64 0.01 0.47 35 K 65 K 0.44 0.51 0.0024 0.0044 57
7 0 0.00 0.44 0.01 0.41 30 K 59 K 0.46 0.50 0.0030 0.0059 57
8 0 0.02 1.17 0.02 0.46 43 K 89 K 0.49 0.40 0.0008 0.0016 56
9 0 0.01 0.68 0.01 0.60 31 K 220 K 0.86 0.57 0.0018 0.0128 57
10 0 0.00 0.47 0.00 0.42 16 K 34 K 0.49 0.25 0.0028 0.0062 55
11 0 0.00 0.27 0.00 0.46 20 K 37 K 0.42 0.23 0.0066 0.0120 57
12 0 0.01 0.97 0.01 0.42 25 K 48 K 0.45 0.36 0.0013 0.0024 56
13 0 0.00 0.50 0.01 0.41 21 K 36 K 0.40 0.31 0.0031 0.0053 57
14 0 0.01 0.75 0.01 0.44 28 K 51 K 0.44 0.28 0.0015 0.0027 57
15 0 0.00 0.50 0.01 0.46 31 K 61 K 0.47 0.40 0.0036 0.0070 57
---------------------------------------------------------------------------------------------------------------
SKT 0 0.01 0.79 0.01 0.49 651 K 1553 K 0.57 0.57 0.0017 0.0040 51
---------------------------------------------------------------------------------------------------------------
TOTAL * 0.01 0.79 0.01 0.49 651 K 1553 K 0.57 0.57 0.0017 0.0040 N/A
Instructions retired: 387 M ; Active cycles: 490 M ; Time (TSC): 2497 Mticks ; C0 (active,non-halted) core residency: 2.49 %
C1 core residency: 5.79 %; C3 core residency: 0.00 %; C6 core residency: 0.00 %; C7 core residency: 91.72 %;
C0 package residency: 38.29 %; C2 package residency: 59.52 %; C3 package residency: 2.19 %; C6 package residency: 0.00 %; C7 package residency: 0.00 %; C8 package residency: 0.00 %; C9 package residency: 0.00 %; C10 package residency: 0.00 %;
┌────────────────────────────────────────────────────────────────────────────────┐
Core C-state distribution│00111117777777777777777777777777777777777777777777777777777777777777777777777777│
└────────────────────────────────────────────────────────────────────────────────┘
┌─────────────────────────────────────────────────────────────────────────────────┐
Package C-state distribution│000000000000000000000000000000022222222222222222222222222222222222222222222222233│
└─────────────────────────────────────────────────────────────────────────────────┘
could you post the full output? The data values are cut off
updated comment
actually i have been using
pcm-senseor-serverand connecting the prometheus + grafana to it to view the metrics. But that grafana doesn't show Socket Energy Consumption. It shows 'No Data' message.i compiled the
pcm-sensor-serverlocally and using that.
do other metrics show up and just "Socket Energy Consumption" is missing?
do other metrics show up and just "Socket Energy Consumption" is missing?
the charts which are zero are:
- all Memory Bandwidth related charts
- QPI Data traffic related charts
- Socket0 Energy Consumption
Sharing screenshots of all charts
pcm-power reports "Unsupported processor model". Can you add support for pcm-power for my CPU?
Answer: most likely you have a client CPU which does not have required hardware performance monitoring units. PCM-power can not work without them.
if pcm can report power, it means CPU has what is needed to read power. (perhaps RAPL). then pcm-sensor-server also should be able to read power. .right?
is there something i can contribute to fix the issue (if it is a minor issue) ?
if possible, it would be greatly appreciated if you could take the time to investigate what is missing in the pcm-sensor-server code for client CPU (the metric is already supported for server CPUs). If you are able to identify a solution, we would welcome your contribution via a pull request.