sudkannan / likwid

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likwid-perfctr error for Intel IvyBridge #119

Closed GoogleCodeExporter closed 9 years ago

GoogleCodeExporter commented 9 years ago
What steps will reproduce the problem?
1. run the command "sudo likwid-perfctr -g FLOPS_DP -c 0 ./a.out"
2. a.out a serial program, moreover replacing a.out with simple command like ls 
also has the same problem.
3.

What is the expected output? What do you see instead?
Performance statistics is expected. Instead I get the message
=====================================================
CPU type:   Intel Core IvyBridge processor 
CPU clock:  3.39 GHz 
ERROR - [./src/strUtil.c:288] Error in parsing event string
=====================================================

What version of the product are you using?
likwid-perfctr  3.0

Please provide any additional information below.

Original issue reported on code.google.com by anup.ju2...@gmail.com on 2 Dec 2013 at 9:14

GoogleCodeExporter commented 9 years ago
The current version does not have this group available for IvyBridge. You can 
check which groups are available  on the architecture you are using it with  
likwid-perfctr -a .  The Flop events used to be inaccurate on SandyBridge and 
Intel removed their documentation on IvyBridge.  Now they are back. I will add 
those groups to IvyBridge.  Still I am not sure if they only fixed this issue 
on IvyBridge-EP or on all newer IvyBridge revisions.

Original comment by jan.trei...@gmail.com on 26 Dec 2013 at 10:16

GoogleCodeExporter commented 9 years ago
This issue was closed by revision 8a5bf1995964.

Original comment by jan.trei...@gmail.com on 26 Dec 2013 at 10:53

GoogleCodeExporter commented 9 years ago
Same issue still exists for Haswell.

"sudo likwid-perfctr -g FLOPS_SP -c 0 ./a.out" does not work.

Original comment by michalzi...@gmail.com on 30 Dec 2013 at 1:45