[dev.cc] code review 182540043: runtime: add tracing of runtime events

runtime: add tracing of runtime events
Add actual tracing of interesting runtime events.
Part of a larger tracing functionality:
https://docs.google.com/document/u/1/d/1FP5apqzBgr7ahCCgFO-yoVhk4YZrNIDNf9RybngBc14/pub
Full change:
https://codereview.appspot.com/146920043

[dvyukov, 2014-12-05 18:44:03]

Hello rsc@golang.org (cc: golang-codereviews@googlegroups.com),

I'd like you to review this change to the dev.cc branch of
https://dvyukov%40google.com@code.google.com/p/go/

[gobot, 2014-12-19 05:17:14]

R=close

To the author of this CL:

The Go project has moved to Gerrit Code Review.

If this CL should be continued, please see the latest version of
https://golang.org/doc/contribute.html for instructions on
how to set up Git and the Go project's Gerrit codereview plugin,
and then create a new change with your current code.

If there has been discussion on this CL, please give a link to it
(golang.org/cl/182540043 is best) in the description in your
new CL.

Thanks very much.