If anyone interested - i was able to compile dtrace support in
mysql-server55 port. During this i found a bug in dtrace/bsd - if it is
running more then 1 time on the same object (this is the case for
mysqld) then object is broken. I was able to do workaround (with
preserving original object and then copying it) and then everything
compiled and started correctly.
This is an example:
bsd# ./work/mysql-5.5.14/support-files/dtrace/query-time.d
dtrace: buffer size lowered to 2m
Who Database
Query Time(ms)
root@localhost mysql select sleep(1) from user
limit 1 1000
root@localhost mysql select * from user limit
1 0
I will try to cleanup my patches (its currently very dirty hacks) and
submit them to the mysql bugtracker (and port). Feel free to contact me
if you want to test this (or to fix dtrace/obects bug).
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