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Re: [Discuss-gnuradio] oprofile inband code results
From: |
Brian Padalino |
Subject: |
Re: [Discuss-gnuradio] oprofile inband code results |
Date: |
Tue, 9 Oct 2007 17:13:08 -0400 |
I really don't know much about oprofile and haven't done much
profiling, but I do have a question or two.
Q. Since the profiler looks at the lowest function that is taking so
much time, I find it strange that pmt_nthcdr is the second method
listed there. Intuitively, pmt_nthcdr should just run a tight loop of
pmt_cdr in which case I would assume pmt_cdr would be higher on the
list but it is not. Same with pmt_nth. What might be taking so long
within those functions that is NOT taking as long within
pmt_cdr/pmt_car? Is something turning into an inline function which
really yields a false profile?
Q. I am surprised to see a destructor (pmt_pair::~pmt_pair())
utilizing so much time. Are there that many pmt_pairs that have to
get destroyed? To answer my own question, I suppose so since every
call to pmt_cons actually creates a new pmt_pair - which might be a
good reason why the malloc and frees are high on the list. Any idea
why so many pmt_cons are used?
Sorry if these seem naive or silly to answer, but it really just makes
me wonder.
Thanks,
Brian
- Re: [Discuss-gnuradio] oprofile inband code results, (continued)
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/06
- AW: [Discuss-gnuradio] oprofile inband code results, Dominik Auras, 2007/10/07
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/07
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/07
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/07
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/08
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results,
Brian Padalino <=
- Re: [Discuss-gnuradio] oprofile inband code results, Brian Padalino, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/09
- Re: [Discuss-gnuradio] oprofile inband code results, George Nychis, 2007/10/10
- Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/10
Re: [Discuss-gnuradio] oprofile inband code results, Eric Blossom, 2007/10/07