Hi,
I have a question concerning V8 profiling.
Starting from 0.11.15, for versions 0.11.15 and 0.11.16, using
node --prof --log-timer-events --logfile=v8_02_02_15.log
I see two log files created, with names like
"isolate-03480048-v8_02_02_15.log"
(Have tried several applications)
*My question is why there are more than one file, how to interpret it?*
I guess it might somehow be related to several isolates used inside?
However, I noticed, that one of files contain only some activities on start,
then nothing is going on, while another seems to relate to actual
processing.
It is also not possible to set --logfile_per_isolate to false (true by
default)
It gives error: Error: illegal value for flag --logfile_per_isolate=false
of type bool.
PS I suspect this behavior was introduced by following commit:
685ac09 Fedor Indutny at 10/8/2014 12:34 PM (committed at 10/8/2014 1:44 PM)
src, test: fixup after v8 update
Because of behavior change of some V8 APIs (they mostly became more
strict), following modules needed to be fixed:
* crypto: duplicate prototype methods are not allowed anymore
* contextify: some TryCatch trickery, the binding was using it
incorrectly
* util: maximum call stack error is now crashing in a different place
Reviewed-By: Trevor Norris
PR-URL:
https://github.com/joyent/node/pull/8476
Thanks in advance
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