On Mon, Jun 13, 2016 at 5:42 PM, Vedant Kumar via cfe-commits < cfe-commits@lists.llvm.org> wrote:
> Author: vedantk > Date: Mon Jun 13 19:42:12 2016 > New Revision: 272604 > > URL: http://llvm.org/viewvc/llvm-project?rev=272604&view=rev > Log: > [docs] Coverage: Document the profile merge pool specifier > > Modified: > cfe/trunk/docs/SourceBasedCodeCoverage.rst > > Modified: cfe/trunk/docs/SourceBasedCodeCoverage.rst > URL: > http://llvm.org/viewvc/llvm-project/cfe/trunk/docs/SourceBasedCodeCoverage.rst?rev=272604&r1=272603&r2=272604&view=diff > > ============================================================================== > --- cfe/trunk/docs/SourceBasedCodeCoverage.rst (original) > +++ cfe/trunk/docs/SourceBasedCodeCoverage.rst Mon Jun 13 19:42:12 2016 > @@ -78,6 +78,14 @@ directory structure will be created. Ad > > * "%h" expands out to the hostname of the machine running the program. > > +* "%Nm" expands out to the instrumented binary's signature. When this > pattern > + is specified, the runtime creates a pool of N raw profiles which are > used for > + on-line profile merging. The runtime takes care of selecting a raw > profile > + from the pool, locking it, and updating it before the program exits. > If N is > + not specified (i.e the pattern is "%m"), it's assumed that ``N = 1``. N > must > + be between 1 and 9. The merge pool specifier can only occur once per > filename > + pattern. > There's also a limitation on the position IIRC (has to be at end). -- Sean Silva > + > .. code-block:: console > > # Step 2: Run the program. > > > _______________________________________________ > cfe-commits mailing list > cfe-commits@lists.llvm.org > http://lists.llvm.org/cgi-bin/mailman/listinfo/cfe-commits >
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