On Fri, Dec 10, 2021 at 11:50:10AM -0500, Frank Ch. Eigler wrote:

Hi -

On Fri, Dec 10, 2021 at 01:23:32PM +0100, Jiri Olsa wrote:

quoted

[...]
at the end of the perf record we populate buildid cache
with profiled binaries for the current perf.data

**IF** there's DEBUGINFOD_URLS defined, that code will
also ask debuginfod for binaries it could not find on
the system

Consider doing this only at the end of the run, and in the background,
just as a prefetch for the perf report step?  The main downside there
could be if one runs many perf record jobs in close proximity,
overlapping larger prefetch download tasks.  That might waste some
network traffic.

right, IMO it's too much for default behaviour but I think could
do this under new (config) option, if there's a need for that

thanks,
jirka