Messages in this thread | | | Subject | Re: [PATCH] getrusage sucks | From | Alan Cox <> | Date | Fri, 11 Nov 2005 23:58:16 +0000 |
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On Gwe, 2005-11-11 at 15:02 -0800, Chris Wright wrote: > * Alan Cox (alan@lxorguk.ukuu.org.uk) wrote: > > On Gwe, 2005-11-11 at 23:38 +0100, Claudio Scordino wrote: > > > + if ((current->euid != tsk->euid) && > > > + (current->euid != tsk->uid)) { > > > + read_unlock(&tasklist_lock); > > > + return -EINVAL; > > > > > > Would be -EPERM also wants a 'privilege' check. Not sure which would be > > best here - CAP_SYS_ADMIN seems to be the 'default' used > > It's already available via /proc w/out protection. And ditto via posix > cpu timers.
In which case the only comment I have is the one about accuracy - and that is true for procfs too so will only come up if someone gets the urge to use perfctr timers for precision resource management
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