BIND 10 #1565: document how to profile - gprof

[BIND 10 Development]

#1565: document how to profile - gprof
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                   Reporter:  jelte  |                 Owner:  haikuo
                       Type:  task   |                Status:  accepted
                   Priority:  major  |             Milestone:
                  Component:         |  Sprint-20120207
  Unclassified                       |            Resolution:
                   Keywords:         |             Sensitive:  0
            Defect Severity:  N/A    |           Sub-Project:  DNS
Feature Depending on Ticket:         |  Estimated Difficulty:  0
        Add Hours to Ticket:  0      |           Total Hours:  0
                  Internal?:  0      |
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Comment (by haikuo):

 Definitely jinmei is right,hardcoding only for profiling feature would
 cause difficulty to maintenance. But from my point of view, tweaking
 run_bind10.sh script is not a perfect approach, because it is hard for our
 bind10 user to modify bind10 code. If we are the only users for profiling
 feature, Jinmei's approach is OK.
 If we launch the "run_bind10.sh" scripts, we have to maintain one more
 file, it may be hard for us.

 Could we add an option for bind10 script(PREFIX/sbin/bind10)? like "--
 profiling" or something. then bind10 could open the switch to assign the
 environment variable.

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Ticket URL: <http://bind10.isc.org/ticket/1565#comment:5>
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