Leaving the Desktop Market

[Allan Jude]

On 05/12/2014 22:12, Allan Jude wrote:
> On 2014-05-12 14:25, Adrian Chadd wrote:
>> Just run intel-pcm and see. Thanks, -a 
> 
> Not sure if this is expected or not, but on
> 
> Intel(R) Core(TM) i5-3570 CPU @ 3.40GHz
> 
> 
> all of the pcm.x tools just hang (cpu state: usem)
> 
> 
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Found the problem

The first time I tried to run pcm.x it crashed (because I didn't have
cpuctl kldloaded). On my laptop this gave a friendly error, but on the
desktop i5 it just signal 8'd.

Anyway, removing the stale lock file, /tmp/SEMDIntel_PCM_inst_lock
resolved it


#pcm.x 10

 Intel(r) Performance Counter Monitor V2.6 (2013-11-04 13:43:31 +0100
ID=db05e43)

 Copyright (c) 2009-2013 Intel Corporation

Number of physical cores: 4
Number of logical cores: 4
Threads (logical cores) per physical core: 1
Num sockets: 1
Core PMU (perfmon) version: 3
Number of core PMU generic (programmable) counters: 8
Width of generic (programmable) counters: 48 bits
Number of core PMU fixed counters: 3
Width of fixed counters: 48 bits
Nominal core frequency: 3400000000 Hz
Package thermal spec power: 77 Watt; Package minimum power: 60 Watt;
Package maximum power: 0 Watt;

Detected Intel(R) Core(TM) i5-3570 CPU @ 3.40GHz "Intel(r)
microarchitecture codename Ivy Bridge"

 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 cache misses
 L2MISS: L2 cache misses (including other core's L2 cache *hits*)
 L3HIT : L3 cache hit ratio (0.00-1.00)
 L2HIT : L2 cache hit ratio (0.00-1.00)
 L3CLK : ratio of CPU cycles lost due to L3 cache misses (0.00-1.00), in
some cases could be >1.0 due to a higher memory latency
 L2CLK : ratio of CPU cycles lost due to missing L2 cache but still
hitting L3 cache (0.00-1.00)
 READ  : bytes read from memory controller (in GBytes)
 WRITE : bytes written to memory controller (in GBytes)
 TEMP  : Temperature reading in 1 degree Celsius relative to the TjMax
temperature (thermal headroom): 0 corresponds to the max temperature


 Core (SKT) | EXEC | IPC  | FREQ  | AFREQ | L3MISS | L2MISS | L3HIT |
L2HIT | L3CLK | L2CLK  | READ  | WRITE | TEMP

   0    0     0.00   0.21   0.02    0.49    1532 K   2978 K    0.49
0.01    0.43    0.08     N/A     N/A     73
   1    0     0.00   0.29   0.00    0.98     119 K    208 K    0.43
0.12    0.30    0.05     N/A     N/A     73
   2    0     0.00   0.29   0.00    1.00     117 K    169 K    0.31
0.12    0.33    0.03     N/A     N/A     73
   3    0     0.00   0.39   0.00    0.93     131 K    162 K    0.19
0.18    0.32    0.02     N/A     N/A     73
-------------------------------------------------------------------------------------------------------------------
 SKT    0     0.00   0.24   0.01    0.56    1900 K   3518 K    0.46
0.03    0.40    0.07    0.19    0.02     73
-------------------------------------------------------------------------------------------------------------------
 TOTAL  *     0.00   0.24   0.01    0.56    1900 K   3518 K    0.46
0.03    0.40    0.07    0.19    0.02     N/A

 Instructions retired:  200 M ; Active cycles:  850 M ; Time (TSC):   34
Gticks ; C0 (active,non-halted) core residency: 1.12 %

 C1 core residency: 1.76 %; C3 core residency: 0.10 %; C6 core
residency: 97.02 %; C7 core residency: 0.00 %;
 C2 package residency: 43.01 %; C3 package residency: 0.13 %; C6 package
residency: 41.23 %; C7 package residency: 0.00 %;

 PHYSICAL CORE IPC                 : 0.24 => corresponds to 5.89 %
utilization for cores in active state
 Instructions per nominal CPU cycle: 0.00 => corresponds to 0.04 % core
utilization over time interval
----------------------------------------------------------------------------------------------

----------------------------------------------------------------------------------------------
 SKT    0 package consumed 69.21 Joules
----------------------------------------------------------------------------------------------
 TOTAL:                    69.21 Joules