For this and the other issue, please file a bug at crbug.com/v8/new. On Mon, Nov 11, 2019 at 3:19 PM Victor Homyakov <[email protected]> wrote:
> Tick processor tries to track code pages for all logged addresses here > <https://chromium.googlesource.com/v8/v8.git/+/refs/heads/master/tools/codemap.js#143> > > this.pages_[addr >>> CodeMap.PAGE_ALIGNMENT] = 1; > > Unfortunately, this does not work correctly for 64-bit addresses: unsigned > right shift > <https://developer.mozilla.org/en-US/docs/Web/JavaScript/Reference/Operators/Bitwise_Operators#Unsigned_right_shift> > first > converts operand to a 32-bit integer, and only then makes the right shift. > For example, calculated page for address 0xe6703e022a4 is 0x3e02, instead > of 0xe6703e02. This may lead to errors in processed profile: tick address goes > to the wrong page > <https://chromium.googlesource.com/v8/v8.git/+/refs/heads/master/tools/codemap.js#191> > and > is either not properly counted or not counted at all. > > In case the tick-processor is still maintained, could someone of > maintainers fix this problem? > > -- > -- > v8-dev mailing list > [email protected] > http://groups.google.com/group/v8-dev > --- > You received this message because you are subscribed to the Google Groups > "v8-dev" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > To view this discussion on the web visit > https://groups.google.com/d/msgid/v8-dev/432ac548-c39f-4088-b556-113cba23d31f%40googlegroups.com > <https://groups.google.com/d/msgid/v8-dev/432ac548-c39f-4088-b556-113cba23d31f%40googlegroups.com?utm_medium=email&utm_source=footer> > . > -- -- v8-dev mailing list [email protected] http://groups.google.com/group/v8-dev --- You received this message because you are subscribed to the Google Groups "v8-dev" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-dev/CAH3p7oN475cdH3EW%2Bb1i_5XbrRg%3DpamPPCki_Q%2B6-EEJg28a_Q%40mail.gmail.com.
