[jira] [Reopened] (TS-2624) CPU affinity assumes linear mapping

["Leif Hedstrom (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/TS-2624?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Leif Hedstrom reopened TS-2624:
-------------------------------

    Backport to Version: 4.2.1

I'd like to back port the following piece to 4.2.x:

{code}
diff --git a/mgmt/Makefile.am b/mgmt/Makefile.am
index db485c8..b1a3e33 100644
--- a/mgmt/Makefile.am
+++ b/mgmt/Makefile.am
@@ -104,7 +104,7 @@ traffic_manager_LDADD = \
   $(top_builddir)/iocore/eventsystem/libinkevent.a \
   $(top_builddir)/proxy/shared/liberror.a \
   $(top_builddir)/proxy/shared/libdiagsconfig.a \
-  @LIBRESOLV@ @LIBEXPAT@ @LIBPCRE@ @LIBTCL@ @LIBCAP@ \
+  @LIBRESOLV@ @LIBEXPAT@ @LIBPCRE@ @LIBTCL@ @LIBCAP@ @hwloc_LIBS@ \
   -lm

 # Must do it this way or the dependencies aren't detected.
{code}


> CPU affinity assumes linear mapping
> -----------------------------------
>
>                 Key: TS-2624
>                 URL: https://issues.apache.org/jira/browse/TS-2624
>             Project: Traffic Server
>          Issue Type: Bug
>            Reporter: Phil Sorber
>            Assignee: Phil Sorber
>             Fix For: 5.0.0
>
>
> The current CPU affinity code assumes that Core/PU mappings are linear, when they can also be interleaved. We should consult HWLOC and use some of the other convenience functions there to properly map threads.



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