On Thu, Mar 12, 2009 at 09:45:04AM -0700, Kevin Constantine wrote: > J. Bruce Fields wrote: >> On Thu, Mar 12, 2009 at 12:08:57PM -0400, Chuck Lever wrote: >>> On Mar 12, 2009, at Mar 12, 2009, 11:50 AM, J. Bruce Fields wrote: >>>> On Thu, Mar 12, 2009 at 10:00:34AM -0400, Chuck Lever wrote: >>>>> Hi Kevin- >>>>> >>>>> man watch(1) >>>> What would you watch? >>> For example: >>> >>> watch -n3 nfsstat -c >>> >>> You can also use the "-d" option to highlight the differences between >>> the current sample and the previous sample. >> >> He was asking for deltas; the above only gives cumulative totals. >> >> There's no accurate one-line solution using the existing nfsstat >> commandline, but it should be easy to add. >> > > Something like this sort of works: > watch -n 1 'nfsstat --since /tmp/stats; nfsstat >/tmp/stats', but it > feels more like a workaround than a feature. It's also slightly inaccurate, since it misses any activity that happened in the brief time between the two invocations. > Using watch doesn't allow you to see what happened in the past either. > > Moving to a listed output format instead of the traditional nfsstat > output (as seen below) makes it trivial with a simple grep to watch the > stats that you really care about and ignore the rest. I think we'd all be happy to take patches.--b. > -kevin > > >> --b. >> >>>> --b. >>>> >>>>> On Mar 11, 2009, at Mar 11, 2009, 9:37 PM, Kevin Constantine wrote: >>>>> >>>>>> I'd really like to have a way to output the nfsstat counters at >>>>>> regular intervals (every 3 seconds) where the output is the >>>>>> difference >>>>>> between 3 seconds ago and now. Frequently I'll run a test and >>>>>> want to >>>>>> watch the nfs call profile throughout the course of the test. >>>>>> >>>>>> Does something like this already exist? >>>>>> Are there objections to seeing a feature like this? >>>>>> >>>>>> I'm thinking something like: >>>>>> nfsstat --sleep=1 >>>>>> >>>>>> nfs v3 call: Server Client >>>>>> total: 0 3476 >>>>>> null: 0 0 >>>>>> getattr: 0 1679 >>>>>> setattr: 0 0 >>>>>> lookup: 0 839 >>>>>> access: 0 839 >>>>>> readlink: 0 0 >>>>>> read: 0 0 >>>>>> write: 0 0 >>>>>> create: 0 0 >>>>>> mkdir: 0 0 >>>>>> symlink: 0 0 >>>>>> mknod: 0 0 >>>>>> remove: 0 0 >>>>>> rmdir: 0 0 >>>>>> rename: 0 0 >>>>>> link: 0 0 >>>>>> readdir: 0 0 >>>>>> readdirplus: 0 0 >>>>>> fsstat: 0 119 >>>>>> fsinfo: 0 0 >>>>>> pathconf: 0 0 >>>>>> commit: 0 0 >>>>>> >>>>>> -- >>>>>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" >>>>>> in >>>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>>> -- >>>>> Chuck Lever >>>>> chuck[dot]lever[at]oracle[dot]com >>>>> >>>>> >>>>> >>>>> >>>>> -- >>>>> To unsubscribe from this list: send the line "unsubscribe >>>>> linux-nfs" in >>>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>> -- >>> Chuck Lever >>> chuck[dot]lever[at]oracle[dot]com >>> >>> >>> >>> >>> -- >>> To unsubscribe from this list: send the line "unsubscribe linux-nfs" in >>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>> More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-nfs" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
