Re: [PATCH v4 2/3] Support for perf to probe into SDT markers:

From: David Ahern
Date: Mon Oct 28 2013 - 13:00:04 EST

On 10/28/13 2:48 AM, Pekka Enberg wrote:
So I really hope this SDT effort and the ktap effort at least
make some effort in unifying all the nice functionality that's
simple to use and easy to discover. I really, really would
at the end of the day, just 'perf trace' like I 'perf stat' or
'perf record'.

Agree. I see user's eyes glaze over with each command line option, and we have added aliases to embed some of the details as well as having sensible defaults.

I often use perf-list to lookup an exact event name, and I do not want to see it taking many seconds to minutes to run (not everyone is running on an SSD). I also run perf on many different OS versions with an NFS home directory, and do not want to see a cache explosion (I have buildid disabled for this reason).


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