Sami Kyostila 9dbab9bbdb [tracing] Migrate tracing to Perfetto track events ... This patch replaces V8's tracing implementation (i.e., the TRACE_EVENT macros) with the track event base implementation from Perfetto. The advantages of doing this are: 1) This allows us to remove most tracing-related backend code from V8. 2) V8 can start writing strongly typed trace event arguments, which are more compact, easier to process and more extensible than legacy JSON-based trace arguments. For the time being, we still support the old trace macros when V8 is embedded into Chrome and other embedders. Design doc: https://docs.google.com/document/d/1f7tt4cb-JcA5bQFR1oXk60ncJPpkL02_Hi_Bc6MfTQk/edit#heading=h.398p6b4eaen2 Bug: chromium:1006766 Change-Id: Ie71474fbe065821772b13d851487ebbca680c4ae Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/1947688 Commit-Queue: Sami Kyöstilä <skyostil@chromium.org> Auto-Submit: Sami Kyöstilä <skyostil@chromium.org> Reviewed-by: Peter Marshall <petermarshall@chromium.org> Reviewed-by: Yang Guo <yangguo@chromium.org> Cr-Commit-Position: refs/heads/master@{#67217}		2020-04-17 21:31:24 +00:00
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DEPS	Turn libplatform into a component	2016-10-10 08:52:06 +00:00
libplatform-export.h	Turn libplatform into a component	2016-10-10 08:52:06 +00:00
libplatform.h	[platform] Support nestable and non-nestable tasks in DefaultForegroundTaskRunner	2020-01-24 01:07:50 +00:00
v8-tracing.h	[tracing] Migrate tracing to Perfetto track events	2020-04-17 21:31:24 +00:00