Sure, just use printf or std::cout << "print\n". I don't know whether adb logcat has any special requirements.
On Mon, Jun 18, 2018 at 3:48 PM Abhishek Kanike <kai.dranzer32...@gmail.com> wrote: > Jakob, > Thanks for quick reply. > That's a good point, should have tried with gdb. Will check with that. > Is there a way to add logs in v8 source code, it will be lot faster to > debug. > In cc (compositor), i used *LOG(INFO)<<"print";* from *base/logging.h *(of > main chromium *src*) > > On Mon, Jun 18, 2018 at 5:12 PM Jakob Kummerow <jkumme...@chromium.org> > wrote: > >> Yes, it is. >> >> Have you tried using a debugger? You can set a breakpoint in >> the BUILTIN(DateNow) function here: >> >> >> https://cs.chromium.org/chromium/src/v8/src/builtins/builtins-date.cc?q=builtins-date.cc&sq=package:chromium&dr&l=282 >> >> and step through the code from there. >> >> On Mon, Jun 18, 2018 at 2:39 PM Abhishek Kanike < >> kai.dranzer32...@gmail.com> wrote: >> >>> Hi, >>> For confirmation i am using a simple Date.now() call on button click >>> [Attached]. >>> I have added a print log in Time::NOW() at >>> https://cs.chromium.org/chromium/src/v8/src/base/platform/time.cc?type=cs&sq=package:chromium&g=0&l=402 >>> as printf("v8:DEBUG::TIME:NOW called"). >>> I am not getting this log in adb logcat. So is this the correct place >>> from where Date.now() is getting called? >>> >>> Regards, >>> K Abhishek >>> >>> On Mon, May 21, 2018 at 6:51 PM Abhishek Kanike < >>> kai.dranzer32...@gmail.com> wrote: >>> >>>> Sorry JaKob >>>> >>>> On Mon, May 21, 2018, 6:51 PM Abhishek Kanike < >>>> kai.dranzer32...@gmail.com> wrote: >>>> >>>>> Cool.. I see it. Thanks a lot Jacob. >>>>> >>>>> On Mon, May 21, 2018, 5:40 PM Jakob Kummerow <jkumme...@chromium.org> >>>>> wrote: >>>>> >>>>>> The time always has to be retrieved from the kernel. V8's >>>>>> implementation is in base::OS::TimeCurrentMillis, implemented in >>>>>> src/base/platform/platform-{win32,posix}.cc. >>>>>> >>>>>> On Mon, May 21, 2018 at 3:22 PM Abhishek Kanike < >>>>>> kai.dranzer32...@gmail.com> wrote: >>>>>> >>>>>>> Hi, >>>>>>> I want to know how the date.now() function is called in javascript >>>>>>> (or how it returns the value). I believe that javascript uses >>>>>>> date.now() by >>>>>>> system call. I want to in chrome source code how it is being set. >>>>>>> This is useful for one of the performance benchmark that I am >>>>>>> working on. >>>>>>> Can someone please guide me to know how this happens in v8 engine. >>>>>>> >>>>>>> Thanks in advance. >>>>>>> >>>>>>> Regards, >>>>>>> K Abhishek >>>>>>> >>>>>>> -- >>>>>>> -- >>>>>>> v8-users mailing list >>>>>>> v8-users@googlegroups.com >>>>>>> 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 v8-users+unsubscr...@googlegroups.com. >>>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>>> >>>>>> -- >>>>>> -- >>>>>> v8-users mailing list >>>>>> v8-users@googlegroups.com >>>>>> 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 v8-users+unsubscr...@googlegroups.com. >>>>>> For more options, visit https://groups.google.com/d/optout. >>>>>> >>>>> >>> >>> -- >>> Cheers, >>> K Abhishek >>> >>> -- >>> -- >>> v8-users mailing list >>> v8-users@googlegroups.com >>> 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 v8-users+unsubscr...@googlegroups.com. >>> For more options, visit https://groups.google.com/d/optout. >>> >> -- >> -- >> v8-users mailing list >> v8-users@googlegroups.com >> 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 v8-users+unsubscr...@googlegroups.com. >> For more options, visit https://groups.google.com/d/optout. >> > > > -- > Cheers, > K Abhishek > > -- > -- > v8-users mailing list > v8-users@googlegroups.com > 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 v8-users+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- -- v8-users mailing list v8-users@googlegroups.com http://groups.google.com/group/v8-users --- You received this message because you are subscribed to the Google Groups "v8-users" group. 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