[MODERATED] Fwd: [PATCH 4/4] walnut 4

[Nelson D'Souza <nelson.dsouza@linux.intel.com>]

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Hi Peter,

I have attached the initial test logs from your latest patchset. 

The perf command does not crash when /sys/devices/cpu/allow_tsx_force_abort is set to 0.
 
Thanks,
Nelson

On 2/19/19 8:10 AM, speck for Peter Zijlstra wrote:
> On Tue, Feb 19, 2019 at 04:58:11PM +0100, speck for Peter Zijlstra wrote:
>> +	if (!allow_tsx_force_abort && test_bit(3, c->idxmsk)) {
>> +		c = dyn_constraint(cpuc, c, idx);
>> +		c->idxmsk64 &= ~(1ULL << 3);
>> +		c->weight = c->idxmsk64 - 1;
> 
> Damn; that should be:
> 
> 		c->weight--;
> 


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# started on Thu Feb 21 15:23:52 2019


 Performance counter stats for 'system wide':

            89,033      cache-misses              #   21.591 % of all cache refs    
           412,353      cache-references                                            
     4,630,472,209      branches                                                    

       1.005154418 seconds time elapsed



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# started on Thu Feb 21 15:24:10 2019


 Performance counter stats for 'system wide':

     <not counted>      cache-misses                                                
     <not counted>      cache-references                                            
     <not counted>      branches                                                    
   <not supported>      branch-misses                                               

       1.005054423 seconds time elapsed



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# started on Thu Feb 21 15:21:37 2019


 Performance counter stats for 'system wide':

            58,484      cache-misses              #   14.165 % of all cache refs    
           412,875      cache-references                                            
     4,627,163,916      branches                                                    

       1.005123883 seconds time elapsed



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# started on Thu Feb 21 15:21:04 2019


 Performance counter stats for 'system wide':

            71,146      cache-misses              #   11.203 % of all cache refs    
           635,039      cache-references                                            
     4,616,150,556      branches                                                    
            84,552      branch-misses             #    0.00% of all branches        

       1.005141562 seconds time elapsed