2ae05fe0a9
Same as 'perf probe -F', this patch adds filter support for the ftrace subcommand option '-F, --funcs <[FILTER]>'. Here is an example that only lists functions which start with 'vfs_': $ sudo perf ftrace -F vfs_* vfs_fadvise vfs_fallocate vfs_truncate vfs_open vfs_setpos vfs_llseek vfs_readf vfs_writef ... Suggested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Signed-off-by: Changbin Du <changbin.du@gmail.com> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@redhat.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lore.kernel.org/lkml/20200904152357.6053-1-changbin.du@gmail.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>