[v8-dev] Re: Turbolizer profiling information display feedback

2016-07-28 Thread alex . gilday
Another note: the profiling information displayed is the count of different events from perf, for example cycles and cache misses. Each column is a different event, and the intensity/shape of the dots on each line is based on the percentage of that event count for that instruction. We think the

[v8-dev] Re: Turbolizer profiling information display feedback

2016-07-28 Thread Alexander . Gilday2
Sorry about the bad layout of images. I dragged them into a triangle layout but when hitting post it overlayed them like this. On Thursday, July 28, 2016 at 4:30:00 PM UTC+1, alexande...@arm.com wrote: > > New feature in turbolizer allows display of profiling information next to > instructions,

[v8-dev] Turbolizer profiling information display feedback

2016-07-28 Thread Alexander . Gilday2
New feature in turbolizer allows display of profiling information next to instructions, and in an effort to improve the usability I have a few different versions of giving a "quick glance" of the information. Currently undecided on which option is the most preferable, if anyone has feedback it

[v8-dev] New gdb macro to skip x64 jitted stack

2016-07-28 Thread Jochen Eisinger
Hey, I just landed a new gdb macro "jss" (javascript skip stack) that allows you to skip a jitted x64 stack: Program received signal SIGTRAP, Trace/breakpoint trap. [Switching to Thread 0x7f50d02c4700 (LWP 8152)] base::debug::(anonymous namespace)::DebugBreak () at