[PATCH 05/21] perf trace: Introduce --filter-pids

2015-02-25 Thread Arnaldo Carvalho de Melo
From: Arnaldo Carvalho de Melo When tracing in X we get event loops due to the tracing activity, i.e. updates to a gnome-terminal that generate syscalls for X.org, etc. To get a more useful view of what is happening, syscall wise, system wide, we need to filter those, like in: # ps ax|egrep

[PATCH 05/21] perf trace: Introduce --filter-pids

2015-02-25 Thread Arnaldo Carvalho de Melo
From: Arnaldo Carvalho de Melo a...@redhat.com When tracing in X we get event loops due to the tracing activity, i.e. updates to a gnome-terminal that generate syscalls for X.org, etc. To get a more useful view of what is happening, syscall wise, system wide, we need to filter those, like in: