On Wed, Sep 18, 2013 at 10:19:32AM -0400, Vince Weaver wrote:
> Can you point to any code that is fixed by the commit?
I have some, but I don't think a lot of people use it.
Would you be ok with something like the below? It should preserve
functionality for code that only cares about cap_usr_rdpmc (PAPI).
Stephane, does libpfm use any of these?
--- a/include/uapi/linux/perf_event.h
+++ b/include/uapi/linux/perf_event.h
@@ -380,8 +380,8 @@ struct perf_event_mmap_page {
union {
__u64 capabilities;
struct {
- __u64 cap_usr_time : 1,
- cap_usr_rdpmc : 1,
+ __u64 cap_usr_rdpmc : 1,
+ cap_usr_time : 1,
cap_usr_time_zero : 1,
cap_____res : 61;
};
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