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Sent from my iPhone > On 6 Dec 2017, at 4:17 am, Brian Cain <brian.cain at gmail.com> wrote: > > > >> On Tue, Dec 5, 2017 at 9:49 AM, Dean Michael Berris via cfe-dev <cfe-dev at lists.llvm.org> wrote: >> Hi cfe-dev@ and llvm-dev@, >> >> I've attached a Chrome trace-viewer readable trace of a clang built with XRay instrumentation (additional

...very closely at XRay so far, but I'm wondering if making CTF (common trace format, e.g. see http://diamon.org/ctf/) the default format for XRay traces would be useful? It seems it'd be nice to be able to reuse some of the tools that already exist for CTF, such as a graphical viewer (http://tracecompass.org/) or a converter library (http://man7.org/linux/man-pages/man1/babeltrace.1.html). LTTng already uses this format and linux perf can create traces in CTF format too. Probably it would be useful for at least some to be able to combine traces from XRay with traces from LTTng or linux perf? Maybe...

Hi llvm-dev, Recently, we've committed the beginnings of the llvm-xray [0] tool which allows for conveniently working with both XRay-instrumented libraries as well as XRay trace/log files. In the course of the review for the conversion tool [1] which turns a binary/raw XRay log file into YAML for human consumption purposes, a question arose as to how we intend to allow users to develop tools