Hi Milian, On Fri, Apr 08, 2022 at 10:45:10PM +0200, Milian Wolff wrote: > In the off-CPU flame graphs I clearly see this callchain when DEBUGINFOD_URLS > is set: > > ``` > dwfl_standard_find_debuginfo > debuginfod_query_server > curl_multi_wait > ``` > > This accounts for ~2.5s of off-CPU time in my case. If you are saying that > negative lookups are cached, then what is this? Why would a second run of the > same dwfl-using application with the same input data keep querying the server?
That is certainly not what should happen once the cache is filled. Could you run with DEBUGINFOD_VERBOSE=1 to see what is being fetched and why? Thanks, Mark
