Em Fri, May 04, 2018 at 12:35:34PM -0300, Arnaldo Carvalho de Melo escreveu: > Em Fri, May 04, 2018 at 03:09:59PM +0300, Alexander Shishkin escreveu: > > On Wed, Apr 04, 2018 at 05:53:23PM +0300, Alexander Shishkin wrote: > > > It has been pointed out to me many times that it is useful to be able > > > to switch off AUX records to save the bandwidth for records that actually > > > matter, for example, in AUX overwrite mode. > > > > > > The usefulness of PERF_RECORD_AUX is in some of its flags, like the > > > TRUNCATED flag that tells the decoder where exactly gaps in the trace are. > > > The OVERWRITE flag, on the other hand will be set on every single record > > > in overwrite mode. However, a PERF_RECORD_AUX[flags=OVERWRITE] is > > > generated on every target task's sched_out, which over time adds up to > > > a lot of useless information. > > > > > > If any folks out there have userspace that depends on a constant stream of > > > OVERWRITE records for a good reason, they'll have to let us know. > > > > > > Signed-off-by: Alexander Shishkin <[email protected]> > > > Cc: Markus Metzger <[email protected]> > > > Cc: Adrian Hunter <[email protected]> > > > > This one seems to be slipping through the cracks. > > So, did you got Acked-by or tested-by from anyone?
Yeah, tons of them, I'll pick this up - Arnaldo
