Thanks for the pointer! I noticed the histogram has the caveat 'excluding callbacks.' What does that mean in this context?
Thanks, -Scott On Mon, Jan 10, 2022 at 1:32 AM Camillo Bruni <cbr...@google.com> wrote: > Getting the detailed V8 times comes at a measurable overhead, this > piggybacking on the existing V8ExecuteMicroseconds data from the persistent > V8SlowHistograms trial is most likely your best option here to limit > negative side effects from multiple trials slowing down the user. > > On Fri, 7 Jan 2022, 09:57 Leszek Swirski, <lesz...@chromium.org> wrote: > >> +Camillo Bruni <cbr...@google.com> >> We have a V8.ExecuteMicroSeconds histogram which is enabled for 50% of >> canary and dev (via the V8SlowHistograms >> <https://source.chromium.org/chromium/chromium/src/+/main:gin/gin_features.cc;l=108;drc=26479386abe0c05c9661f6d8c1412dde636d8ecb> >> feature >> flag). Maybe you could somehow intercept writes to this histogram before >> FCP? >> >> On Thu, Jan 6, 2022 at 2:35 PM Yuki Shiino <yukishi...@chromium.org> >> wrote: >> >>> +v8-dev@googlegroups.com <v8-dev@googlegroups.com> >>> >>> >>> 2022年1月5日(水) 9:05 Scott Violet <s...@google.com>: >>> >>>> Ping. Any suggestions? >>>> >>>> Thanks, >>>> >>>> -Scott >>>> >>>> On Tue, Dec 21, 2021 at 5:15 AM Yuki Shiino <yukishi...@chromium.org> >>>> wrote: >>>> >>>>> +platform-architecture-dev <platform-architecture-...@chromium.org> >>>>> >>>>> 2021年12月21日(火) 9:45 Scott Violet <s...@google.com>: >>>>> >>>>>> Hello, >>>>>> >>>>>> I'm interested in tracking how much time we spend in v8 prior to fcp. >>>>>> Any idea if we have a metric for this? Presumably such a metric would >>>>>> involve instrumenting bindings, but I'm not positive there. >>>>>> >>>>> >>>>> I know only about RuntimeCallStats >>>>> <https://source.chromium.org/chromium/chromium/src/+/main:third_party/blink/renderer/platform/bindings/RuntimeCallStats.md> >>>>> (V8 >>>>> looks having the same concept maybe around here >>>>> <https://source.chromium.org/chromium/chromium/src/+/main:v8/src/logging/runtime-call-stats.h;bpv=1;bpt=1;l=570?q=RuntimeCallStats%20case:yes&ss=chromium>). >>>>> However, if you're interested in measuring it in the wild, >>>>> RuntimeCallStats >>>>> wouldn't be a good fit. >>>>> >>>>> Anyone else would know a better idea? >>>>> >>>>> Cheers, >>>>> Yuki Shiino >>>>> >>>>> Thanks, >>>>>> >>>>>> -Scott >>>>>> >>>>> -- >>> -- >>> v8-dev mailing list >>> v8-dev@googlegroups.com >>> 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 v8-dev+unsubscr...@googlegroups.com. >>> To view this discussion on the web visit >>> https://groups.google.com/d/msgid/v8-dev/CAN0uC_TCyPxXdVGbAmh7JBR3e7UHxXYXtuW-yUpM9Q1hSbXBKQ%40mail.gmail.com >>> <https://groups.google.com/d/msgid/v8-dev/CAN0uC_TCyPxXdVGbAmh7JBR3e7UHxXYXtuW-yUpM9Q1hSbXBKQ%40mail.gmail.com?utm_medium=email&utm_source=footer> >>> . >>> >> -- -- v8-dev mailing list v8-dev@googlegroups.com 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 v8-dev+unsubscr...@googlegroups.com. To view this discussion on the web visit https://groups.google.com/d/msgid/v8-dev/CAKARY_ngHmyW4cJg%2B1weoW0ksekttK3j1evp5Gy5sqGLg0efgA%40mail.gmail.com.
