On Fri, Jul 11, 2014 at 11:20:58AM -0300, Martin Ichilevici de Oliveira wrote: > On Wed, Jul 09, 2014 at 10:05:55AM -0400, Vince Weaver wrote: > > Not really sure by what you mean by "real-time", but you can theoretically > > set up the perf_event mmap buffer with a low threshold, and have it > > configured to send a signal to your program whenever an event comes in. > > In theory you can get the PEBS-like info out that way. It's going to have > > fairly high overhead though, especially if you set the sample rate high.
SNIP > > Jiri: > I'm under the impression I'd have to be in a kernel module (or in kernel > mode in general) to use perf_event_create_kernel_counter(). Is that > correct? yep, thats kernel space only jirka -- To unsubscribe from this list: send the line "unsubscribe linux-perf-users" in the body of a message to majord...@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
