Re: Show application performance/errors from pseudo file
[email protected] Thu, 16 Oct 2014 13:00:43 -0700
| Newsgroups | org.kernel.vger.linux-c-programming |
|---|---|
| Message-ID | <[email protected]> |
I=92m no expert but I believe you=92d need a kernel module to create th= e char device, then have your application talk to it somehow? http://stackoverflow.com/questions/5970595/create-a-device-node-in-code On Oct 16, 2014, at 12:50 PM, Daniel Hilst Selli <[email protected]= > wrote: > I'm writing a new application and would be nice to have a pseudo file= showing its status, just the way that procfs does with kernel. > I'm looking for sugestions, I want to `cat' files contents and have s= omething similar to /proc/meminfo >=20 > First I think using named pipes, but, AFAIK, pipes would retain data = writed until someone read it, what I thought is a kind of read > hook that only show data when asked for. Here are a few requisites, >=20 > - Don't retain data > - Don't generate disk I/O > - Vanish when application stops > - Work with a simple cat or something similar.. >=20 > With that in mind I think about using unix domain sockets.. it seems = to fit all requisites, for > the fourth requisite I could use netcat, that is almost cat, >=20 > Cheers > -- > To unsubscribe from this list: send the line "unsubscribe linux-c-pro= gramming" in > the body of a message to [email protected] > More majordomo info at http://vger.kernel.org/majordomo-info.html -- To unsubscribe from this list: send the line "unsubscribe linux-c-progr= amming" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html