pcp updates: new cgroup blkio metrics

[Nathan Scott <nathans@xxxxxxxxxx>]

Changes committed to git://git.pcp.io/pcp.git master

Nathan Scott (1):
      pmdaproc: support cgroup blkio throttle throughput+iops metrics


 qa/730.out                     | 2453 +++++++++++++++++++++++++++++++++++------
 qa/731.out                     |   66 +
 src/pmdas/linux_proc/cgroups.c |   14 
 src/pmdas/linux_proc/cgroups.h |   24 
 src/pmdas/linux_proc/help      |   22 
 src/pmdas/linux_proc/pmda.c    |  161 ++
 src/pmdas/linux_proc/root_proc |   44 
 7 files changed, 2422 insertions(+), 362 deletions(-)


commit 1274146b53b28e62d71f06e29f435334f7cb3a7f
Author: Nathan Scott <nathans@xxxxxxxxxx>
Date:   Thu Apr 21 11:32:45 2016 +1000

    pmdaproc: support cgroup blkio throttle throughput+iops metrics
    
    Add per-device and aggregate blkio throttle metrics requested by
    the Vector folk working on containers support.  More details in:
    https://github.com/Netflix/vector/issues/122
    
    Tests 730 and 731 already had test data in place, conveniently.