Commit-ID: cb5d76999029ae7a517cb07dfa732c1b5a934fc2 Gitweb: http://git.kernel.org/tip/cb5d76999029ae7a517cb07dfa732c1b5a934fc2 Author: Stephane Eranian <eranian@xxxxxxxxxx> AuthorDate: Thu, 9 Feb 2012 23:21:05 +0100 Committer: Ingo Molnar <mingo@xxxxxxx> CommitDate: Fri, 9 Mar 2012 08:26:05 +0100 perf: Add ABI reference sizes This patch adds reference sizes for revision 1 and 2 of the perf_event ABI, i.e., the size of the perf_event_attr struct. With Rev1: config2 was added = +8 bytes With Rev2: branch_sample_type was added = +8 bytes Adds the definition for Rev1, Rev2. This is useful for tools trying to decode the revision numbers based on the size of the struct. Signed-off-by: Stephane Eranian <eranian@xxxxxxxxxx> Cc: peterz@xxxxxxxxxxxxx Cc: acme@xxxxxxxxxx Cc: robert.richter@xxxxxxx Cc: ming.m.lin@xxxxxxxxx Cc: andi@xxxxxxxxxxxxxx Cc: asharma@xxxxxx Cc: ravitillo@xxxxxxx Cc: vweaver1@xxxxxxxxxxxx Cc: khandual@xxxxxxxxxxxxxxxxxx Cc: dsahern@xxxxxxxxx Link: http://lkml.kernel.org/r/1328826068-11713-16-git-send-email-eranian@xxxxxxxxxx Signed-off-by: Ingo Molnar <mingo@xxxxxxx> --- include/linux/perf_event.h | 2 ++ 1 files changed, 2 insertions(+), 0 deletions(-) diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h index fbbf5e5..bd9f55a 100644 --- a/include/linux/perf_event.h +++ b/include/linux/perf_event.h @@ -192,6 +192,8 @@ enum perf_event_read_format { }; #define PERF_ATTR_SIZE_VER0 64 /* sizeof first published struct */ +#define PERF_ATTR_SIZE_VER1 72 /* add: config2 */ +#define PERF_ATTR_SIZE_VER2 80 /* add: branch_sample_type */ /* * Hardware event_id to monitor via a performance monitoring event: -- To unsubscribe from this list: send the line "unsubscribe linux-tip-commits" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html