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Altera_Forum
Honored Contributor I
943 Views

Performance counter report

Hey 

I am running performance counter on my C code 

My problem is that the report only show the result for section 1 !! (even if I change sections order it only show the first) 

It should show 4 sections ! 

What could be the problem ?! 

thnx 

 

%%%%%%%%%%%%%%%% 

 

perf_print_formatted_report((void *)PERFORMANCE_COUNTER_BASE, 

ALT_CPU_FREQ,4, 

"section_1", 

"section_2", 

"section_3", 

"section_4"); 

 

%%%%%%%%%%%%%%%%%%%%%%%%%%%%%% 

 

--Performance Counter Report-- 

Total Time: 3.35524 seconds (335524437 clock-cycles) 

+---------------+-----+-----------+---------------+-----------+ 

| Section | % | Time (sec)| Time (clocks)|Occurrences| 

+---------------+-----+-----------+---------------+-----------+ 

|section_1 | 0.27| 0.00905| 905319| 1| 

+---------------+-----+-----------+---------------+-----------+ 

|section_2 | 0| 0.00000| 0| 0| 

+---------------+-----+-----------+---------------+-----------+ 

|section_3 | 0| 0.00000| 0| 0| 

+---------------+-----+-----------+---------------+-----------+ 

|section_4 | 0| 0.00000| 0| 10175| 

+---------------+-----+-----------+---------------+-----------+
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2 Replies
Altera_Forum
Honored Contributor I
48 Views

It's hard to know without seeing more code, but perhaps you are forgetting to change the second parameter of the PERF_BEGIN/PERF_END calls for the different sections? 

... // Section 1 PERF_BEGIN(PERFORMANCE_COUNTER_BASE, 1); foo(); PERF_END(PERFORMANCE_COUNTER_BASE, 1); // Section 2 PERF_BEGIN(PERFORMANCE_COUNTER_BASE, 2); bar(); PERF_END(PERFORMANCE_COUNTER_BASE, 2); ...
Altera_Forum
Honored Contributor I
48 Views

 

--- Quote Start ---  

It's hard to know without seeing more code, but perhaps you are forgetting to change the second parameter of the PERF_BEGIN/PERF_END calls for the different sections? 

... // Section 1 PERF_BEGIN(PERFORMANCE_COUNTER_BASE, 1); foo(); PERF_END(PERFORMANCE_COUNTER_BASE, 1); // Section 2 PERF_BEGIN(PERFORMANCE_COUNTER_BASE, 2); bar(); PERF_END(PERFORMANCE_COUNTER_BASE, 2); ... 

--- Quote End ---  

 

 

thnx I solved it
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