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Clash Royale CLAN TAG #URR8PPP .everyoneloves__top-leaderboard:empty,.everyoneloves__mid-leaderboard:empty margin-bottom:0; up vote 9 down vote favorite There is a Meta SE post title Custom question lists is available for testing Maybe my question is stupid, but why is it correct? Why not "Custom question lists are available for testing"? singular-vs-plural share | improve this question edited Aug 20 at 4:58 Em. ♦ 34.5k 10 96 118 asked Aug 20 at 4:28 AVK 148 4 add a comment  |  up vote 9 down vote favorite There is a Meta SE post title Custom question lists is available for testing Maybe my question is stupid, but why is it correct? Why not "Custom question lists are available for testing"? singular-vs-plural share | improve this question edited Aug 20 at 4:58 Em. ♦ 34.5k 10 96 118 asked Aug 20 at 4:28 AVK 148 4 add a comment  | 

Clash Royale CLAN TAG #URR8PPP up vote 3 down vote favorite I'm using linux perf tool to monitor the performance of some processes. The documentation tells that you can flag it to collect profiles on per-thread, per-process and per-cpu basis. I get that the processor would have performance registers collecting event-counts for a given physical-core and it's resources (e.g. L1-caches). How does perf or any such performance monitoring tool, measure counters per-process or per-thread basis? For example, let's say I'm monitoring L1-cache-misses, now since the cache is shared for all processes running on that CPU, how does perf determine how many misses came from a given process or a given thread? linux process profiling perf share | improve this question edited Aug 20 at 12:55 slm ♦ 238k 65 493 664 asked Aug 20 at 5:03 Nikhilesh Singh 16 6 "How does perf or any such performance monitoring tool, measur