I'm not exactly sure what you are expecting to happen. That flag is enabled by default and causes V8 to learn more about how objects are used for optimization purposes. It is not a flag enabling user visible tracing.
On Wed, Aug 27, 2014 at 3:14 AM, Liu Xiao <[email protected]> wrote: > Thank you. > > In fact I try it like this. > ./chrome --no-sandbox --js-flags=“--track_heap_object_fields” > > But no info printed. > > > On Mon, Aug 25, 2014 at 4:26 PM, Michael Starzinger < > [email protected]> wrote: > >> You can use --js-flags to pass flags through Chrome to V8. See >> http://www.chromium.org/developers/how-tos/run-chromium-with-flags for >> details. >> >> Best regards, >> Michael >> >> >> On Fri, Aug 22, 2014 at 3:18 AM, Liu Xiao <[email protected]> >> wrote: >> >>> Hello，everyone. >>> >>> Now I have some problems about V8 flags. For example: >>> >>> track_heap_object_fields - "track fields with heap values" >>> >>> It is a flag enabled by default, and marked for tracking heap values. >>> >>> But when I run chrome no output about it, Even if run it with: >>> ./chrome --no-sandbox --track fields with heap values >>> >>> Should it be used together with other flags to make an effect ？ >>> How can I use it to get useful information？ >>> >>> Please help me，thank you very much. >>> >>> -- >>> -- >>> v8-users mailing list >>> [email protected] >>> http://groups.google.com/group/v8-users >>> --- >>> You received this message because you are subscribed to the Google >>> Groups "v8-users" group. >>> To unsubscribe from this group and stop receiving emails from it, send >>> an email to [email protected]. >>> >>> For more options, visit https://groups.google.com/d/optout. >>> >> >> -- >> -- >> v8-users mailing list >> [email protected] >> http://groups.google.com/group/v8-users >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "v8-users" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/v8-users/O2NQ119hdLE/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> >> For more options, visit https://groups.google.com/d/optout. >> > > -- > -- > v8-users mailing list > [email protected] > http://groups.google.com/group/v8-users > --- > You received this message because you are subscribed to the Google Groups > "v8-users" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > -- -- v8-users mailing list [email protected] http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/d/optout.
