Hi,

Please check with the serviceability team (CC:ed) before adding a flag to control the threshold. I suspect that they would prefer some tracing specific way to configure these thresholds.
/Jesper


Erik Helin skrev 7/5/13 2:58 PM:
Hi Bengt,

thanks for the review!

On 05/07/2013 11:42 AM, Bengt Rutisson wrote:

Hi Erik,

Looks good.

Two minor nits:

Could we make 0.05 into a flag or at least a declared constant?

Good suggestion, I've turned into a flag: ObjectCountCutOffPercent.

On 05/07/2013 11:42 AM, Bengt Rutisson wrote:
Could we rename _used_heap_in_words to something like
_total_size_in_words or _base_size_in_words since it is not really the
used count for the heap?

Agree, I renamed it to _total_size_in_words.

Please see new webrev at:
http://cr.openjdk.java.net/~ehelin/8012086/webrev.01/

Thanks,
Erik

Thanks,
Bengt

On 5/7/13 10:14 AM, Erik Helin wrote:
Hi all,

this change makes sure that we only send the trace event
vm/gc/detailed/object_count_after_gc if the total size of all the
instances of a class occupies more than 0.5% of the used heap.

Webrev:
http://cr.openjdk.java.net/~ehelin/8012086/webrev.00/

Testing:
JPRT

Thanks,
Erik



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