Messages in this thread Patch in this message | | | From | Madhavan Srinivasan <> | Subject | [PATCH 5/8]powerpc/perf: Define big-endian version of perf_mem_data_src | Date | Thu, 11 Jun 2015 14:13:34 +0530 |
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From: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com>
perf_mem_data_src is an union that is initialized via the ->val field and accessed via the bitmap fields. For this to work on big endian platforms, we also need a big-endian represenation of perf_mem_data_src.
Signed-off-by: Sukadev Bhattiprolu <sukadev@linux.vnet.ibm.com> Signed-off-by: Madhavan Srinivasan <maddy@linux.vnet.ibm.com> --- include/uapi/linux/perf_event.h | 16 ++++++++++++++++ 1 file changed, 16 insertions(+)
diff --git a/include/uapi/linux/perf_event.h b/include/uapi/linux/perf_event.h index 9b79abb..b3f4099 100644 --- a/include/uapi/linux/perf_event.h +++ b/include/uapi/linux/perf_event.h @@ -747,6 +747,7 @@ enum perf_callchain_context { #define PERF_FLAG_PID_CGROUP (1UL << 2) /* pid=cgroup id, per-cpu mode only */ #define PERF_FLAG_FD_CLOEXEC (1UL << 3) /* O_CLOEXEC */ +#if defined(__LITTLE_ENDIAN_BITFIELD) union perf_mem_data_src { __u64 val; struct { @@ -758,6 +759,21 @@ union perf_mem_data_src { mem_rsvd:31; }; }; +#elif defined(__BIG_ENDIAN_BITFIELD) +union perf_mem_data_src { + __u64 val; + struct { + __u64 mem_rsvd:31, + mem_dtlb:7, /* tlb access */ + mem_lock:2, /* lock instr */ + mem_snoop:5, /* snoop mode */ + mem_lvl:14, /* memory hierarchy level */ + mem_op:5; /* type of opcode */ + }; +}; +#else +#error "Unknown endianness" +#endif /* type of opcode (load/store/prefetch,code) */ #define PERF_MEM_OP_NA 0x01 /* not available */ -- 1.9.1
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