Hey Ya’ll,
Does anyone know of a good way to monitor code in real time to determine
memory loss through a thread or process. We seem to have sprung a leak
and believe that it is from an action that takes memory but does not
release it on completion of the task. Any GOOD ideas would be a great
help.
Thanks All
John
Be warn that if you use thread under QNX4 memory allocation function
are NOT thread safe.
I have attached some code to this post. Link this with you code.
Replace all malloc/free with mem_malloc mem_free etc.
At any point terminate your process and call mem_term, this
function will tell you where (what line number ) a malloc was
done without a corresponding free.
Of course this will not check for malloc inside the c library.
“John Parsons” <parsonsj@esi.com> wrote in message
news:39B8DBC7.6638F25@esi.com…
Hey Ya’ll,
Does anyone know of a good way to monitor code in real time to determine
memory loss through a thread or process. We seem to have sprung a leak
and believe that it is from an action that takes memory but does not
release it on completion of the task. Any GOOD ideas would be a great
help.Thanks All
John
begin 666 mem.c
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end
begin 666 toolkit.h
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M(" @(" @(" @B*“B-I9B!04D]43U194$E.1PHC9&5F:6YE(% H<RD@(” @
M("!S"B-E;’-E"B-D969I;F4@4"AS2 @(" @("@I"B-E;F1I9@H(VEF9&5F
M($1%0E5’“B-D969I;F4@9&5B=6<H82D@(“AA0HC96QS90HC9&5F:6YE(&1E
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end
I forgot to mention that under NTO there is an equivalent
feature build in, check the doc under TechNotes I beleive
“Mario Charest” <mcharest@zinformatic.com> wrote in message
news:8patkm$50p$1@inn.qnx.com…
Be warn that if you use thread under QNX4 memory allocation function
are NOT thread safe.I have attached some code to this post. Link this with you code.
Replace all malloc/free with mem_malloc mem_free etc.At any point terminate your process and call mem_term, this
function will tell you where (what line number ) a malloc was
done without a corresponding free.Of course this will not check for malloc inside the c library.
“John Parsons” <> parsonsj@esi.com> > wrote in message
news:> 39B8DBC7.6638F25@esi.com> …
Hey Ya’ll,Does anyone know of a good way to monitor code in real time to determine
memory loss through a thread or process. We seem to have sprung a leak
and believe that it is from an action that takes memory but does not
release it on completion of the task. Any GOOD ideas would be a great
help.Thanks All
John
\
If I don’t know what process its from I just do a “sin mem” and watch for a
process that seems to be continually increasing the amount of memory being
used. Then to figure out which process it is do a “sin family” and figure
out where that process came from…
Jon
John Parsons <parsonsj@esi.com> wrote in message
news:39B8DBC7.6638F25@esi.com…
Hey Ya’ll,
Does anyone know of a good way to monitor code in real time to determine
memory loss through a thread or process. We seem to have sprung a leak
and believe that it is from an action that takes memory but does not
release it on completion of the task. Any GOOD ideas would be a great
help.Thanks All
John