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9 Commits

Author SHA1 Message Date
Martin Kletzander
cc9f0521cd Report more correct information for cache control 
On some platforms the number of bits in the cbm_mask might not be
divisible by 4 (and not even by 2), so we need to properly count the
bits.  Similar file, min_cbm_bits, is properly parsed and used, but if
the number is greater than one, we lose the information about
granularity when reporting the data in capabilities.  For that matter
always report granularity, but if it is not the same as the minimum,
add that information in there as well.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-06-16 13:09:41 +02:00
Eli Qiao
0ab409ccc4 Expose resource control capabilities for caches 
Add cache resource control into capabilities for CAT without CDP:

  <cache>
    <bank id='0' level='3' type='unified' size='15360' unit='KiB' cpus='0-5'>
      <control min='768' unit='KiB' scope='both' max_allocation='4'/>
    </bank>
  </cache>

and with CDP:

  <cache>
    <bank id='0' level='3' type='unified' size='15360' unit='KiB' cpus='0-5'>
      <control min='768' unit='KiB' scope='code' max_allocation='4'/>
      <control min='768' unit='KiB' scope='data' max_allocation='4'/>
    </bank>
  </cache>

Also add new test cases for vircaps2xmltest.

Signed-off-by: Eli Qiao <liyong.qiao@intel.com>
 2017-06-05 09:50:51 +02:00
Martin Kletzander
0e3ff22c6f tests: Add resctrl test for vircaps2xmltest 
Add info from yet another machine, this time with resctrl data so that
we can extend tests easily in a test-driven way.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-05-09 13:12:40 +02:00
Martin Kletzander
4ad6a73bfc Add host cache information in capabilities 
We're only adding only info about L3 caches, we can add more
later (just by changing one line), but for now that's more than enough
without overwhelming anyone.

XML snippet of how this should look like (also seen as part of the commit):

  <cache>
    <bank id='0' level='3' type='both' size='8192' unit='KiB' cpus='0-7'/>
  </cache>

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-05-09 13:12:40 +02:00
Martin Kletzander
90a118fa69 tests: Add missing cache data for vircaps2xmltest 
Commit a0fdd2f6f9 added some data from
the system but forgot 3 files for each cache.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-05-09 13:12:40 +02:00
Martin Kletzander
ad589e1f52 tests: Enhance vircaps2xml test 
Instead of generating all of the capabilities, let's test more of our
code by probing sysfs data.  This test needs quite some mocking for
now, but it paves the road for more future enhancements (hugepages
probing, for example).

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-03-27 13:13:29 +02:00
Martin Kletzander
a0fdd2f6f9 tests: Add linux-caches sysfs entries for vircaps2xmltest 
Bit more test data, this time with complete info copied, mainly with
cache information, so we can easily add tests for it.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-03-27 13:13:29 +02:00
Martin Kletzander
a857140109 tests: Add sysfs node/cpu topology for the only vircaps2xml testcase 
We'll stop generating the data on the fly, but rather test more of our
APIs.

Signed-off-by: Martin Kletzander <mkletzan@redhat.com>
 2017-03-27 13:13:29 +02:00
Michal Privoznik
6af0623234 vircaps2xmltest: Introduce basic testing 
For now only one test is introduced. It's purpose in life
is to check we don't break NUMA host distances XML format.

Signed-off-by: Michal Privoznik <mprivozn@redhat.com>
 2014-06-05 13:58:13 +02:00