16February2017 [FreeBSD WIKI]

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====== DTrace Hangout Notes 16 Feb 2017 ======

  * Some %%OpenBSD%% folks are working on a non-CDDL version of the CTF tools.

  * James mentions that DWARF5 is out and Robert mentions that we might talk to the Linaro folks.  gnn@ will talk to emaste@ and jhb@ about this as well.

  * gnn@ is working up a patch for the copyoutmbuf work.  We will adopt the __XNU__ #define for the Mac OS changes.

  * gnn@ asks whether the tests are now working and markj@ says that they are and that we should clean up the last few test failures

  * rwatson@ points out that issues on ARM32 cause the kernel to panic.  markj@ says these are not surprising and that we'll have to look with the test suite.

  * gnn@ to talk to emaste@ about fast model licenses

  * gnn@ to ping ruslan@ about testing on RISCV

  * A question comes up about the blacklist of functions.  This is done via strcmp() and there is a very small set, most related to locking.  

  * James mentions that the easiest smoke test is 'dtrace -n fbt:::' as a way of catching functions that were not dtrace safe.

  * Domagoj continues to work on installing probes into guests on bhyve.

  * We discuss how we converge the file layout and we all decide to discuss this in an RFD.  One question comes up about splitting out platform specific functions (#ifdef ILLUMOS etc.) into their own files.

  * A discussion comes up about whether or not llvm is mucking with DTrace's internal functions, such as memcpy().

  * James says he'll have to drop out of future calls but may be back from time to time.