Re: [nfs-utils RFC PATCH 00/15] A few enhancements to mountstats.py

[Chuck Lever <chuck.lever@oracle.com>]

Hi Scott-

> On Nov 5, 2014, at 12:00 PM, Scott Mayhew <smayhew@redhat.com> wrote:
> 
> The following patches add a couple of enhancements to mountstats.py.  I
> also fixed a few bugs I encountered along the way.  Highlights include:
> 
> - added support for -f/--file to allow stats to be parsed from an
>  aritrary input file instead of /proc/self/mountstats
> 
> - added support for -S/--since to show just the changes that have
>  occurred between the current and a previous set of statisics (works
>  with and without the -f option)
> 
> - added support for -R/--raw to generate 'raw' statistics (i.e. in the
>  same format as /proc/self/mountstats).  It's intended to be used with
>  the -f and -S options.
> 
> - implemented the ms-nfsstat command to generate client-side
>  nfsstat-like statisics (only works with a single mountpoint)
> 
> My motivation for these changes was so that I could take various copies
> of /proc/self/mountstats and massage them into data that I could feed
> into the 'report' option of Dros's nfsometer tool for scenarios where
> it's not feasible to run nfsometer itself (e.g. systems where we can't
> start with an 'idle' state (i.e. no NFS filesystems initially
> mounted), systems with multiple NFS filesystems mounted, and workloads
> that can't easily be boiled down into an nfsometer workload file or run
> via the custom workload environment variables).

Do you have a git repo I can pull these from to try out?


> Scott Mayhew (15):
>  mountstats: Fix up NFS event counters
>  mountstats: Add lists of various counters
>  mountstats: Refactor __parse_nfs_line and __parse_rpc_line
>  mountstats: Refactor compare_iostats
>  mountstats: Convert existing option parsing to use the getopt module
>  mountstats: Make ms-iostat output match that of nfs-iostat.py
>  mountstats: Make print_iostat_summary handle newly appearing mounts
>  mountstats: Add support for -f/--file to the mountstats and ms-iostat
>    commands
>  mountstats: Add support for -S/--since to the mountstats and ms-iostat
>    commands
>  mountstats: Fix IndexError in __parse_nfs_line
>  mountstats: Allow mountstats_command to take a variable number of
>    mountpoints
>  mountstats: Add support for -R/--raw to mountstats_command
>  mountstats: Implement nfsstat_command
>  mountstats: Remove the --start and --end options
>  mountstats: Update the help output
> 
> tools/mountstats/mountstats.py | 730 ++++++++++++++++++++++++++++++-----------
> 1 file changed, 544 insertions(+), 186 deletions(-)
> mode change 100644 => 100755 tools/mountstats/mountstats.py
> 
> -- 
> 1.9.3
> 
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