perf tools: Update topdown documentation to permit rdpmc calls

Update Topdown documentation to permit calls to rdpmc, and describe
interaction with system calls.

Signed-off-by: Ray Kinsella <[email protected]>
Reviewed-by: Andi Kleen <[email protected]>
Cc: Jiri Olsa <[email protected]>
Cc: Kan Liang <[email protected]>
Link: http://lore.kernel.org/lkml/[email protected]
Signed-off-by: Arnaldo Carvalho de Melo <[email protected]>

0 files changed, 0 insertions, 0 deletions