perf_counter: Rename enums

Rename the perf enums to be in the 'perf_' namespace and strictly
enumerate the ABI bits.

Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Mike Galbraith <efault@gmx.de>
Cc: Paul Mackerras <paulus@samba.org>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
LKML-Reference: <new-submission>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2 files changed, 28 insertions, 31 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
index 95c797c480e8..d5911b02bc8c 100644
--- a/include/linux/perf_counter.h
+++ b/include/linux/perf_counter.h
@@ -24,24 +24,21 @@
 /*
  * attr.type
  */
-enum perf_event_types {
+enum perf_type_id {
         PERF_TYPE_HARDWARE              = 0,
         PERF_TYPE_SOFTWARE              = 1,
         PERF_TYPE_TRACEPOINT            = 2,
         PERF_TYPE_HW_CACHE              = 3,
+        PERF_TYPE_RAW                   = 4,
 
-        /*
-         * available TYPE space, raw is the max value.
-         */
-
-        PERF_TYPE_RAW                   = 128,
+        PERF_TYPE_MAX,                  /* non ABI */
 };
 
 /*
  * Generalized performance counter event types, used by the attr.event_id
  * parameter of the sys_perf_counter_open() syscall:
  */
-enum attr_ids {
+enum perf_hw_id {
         /*
          * Common hardware events, generalized by the kernel:
          */
@@ -53,7 +50,7 @@ enum attr_ids {
         PERF_COUNT_BRANCH_MISSES        = 5,
         PERF_COUNT_BUS_CYCLES           = 6,
 
-        PERF_HW_EVENTS_MAX              = 7,
+        PERF_HW_EVENTS_MAX,             /* non ABI */
 };
 
 /*
@@ -63,30 +60,30 @@ enum attr_ids {
  *       { read, write, prefetch } x
  *       { accesses, misses }
  */
-enum hw_cache_id {
-        PERF_COUNT_HW_CACHE_L1D,
-        PERF_COUNT_HW_CACHE_L1I,
-        PERF_COUNT_HW_CACHE_L2,
-        PERF_COUNT_HW_CACHE_DTLB,
-        PERF_COUNT_HW_CACHE_ITLB,
-        PERF_COUNT_HW_CACHE_BPU,
-
-        PERF_COUNT_HW_CACHE_MAX,
+enum perf_hw_cache_id {
+        PERF_COUNT_HW_CACHE_L1D         = 0,
+        PERF_COUNT_HW_CACHE_L1I         = 1,
+        PERF_COUNT_HW_CACHE_L2          = 2,
+        PERF_COUNT_HW_CACHE_DTLB        = 3,
+        PERF_COUNT_HW_CACHE_ITLB        = 4,
+        PERF_COUNT_HW_CACHE_BPU         = 5,
+
+        PERF_COUNT_HW_CACHE_MAX,        /* non ABI */
 };
 
-enum hw_cache_op_id {
-        PERF_COUNT_HW_CACHE_OP_READ,
-        PERF_COUNT_HW_CACHE_OP_WRITE,
-        PERF_COUNT_HW_CACHE_OP_PREFETCH,
+enum perf_hw_cache_op_id {
+        PERF_COUNT_HW_CACHE_OP_READ     = 0,
+        PERF_COUNT_HW_CACHE_OP_WRITE    = 1,
+        PERF_COUNT_HW_CACHE_OP_PREFETCH = 2,
 
-        PERF_COUNT_HW_CACHE_OP_MAX,
+        PERF_COUNT_HW_CACHE_OP_MAX,     /* non ABI */
 };
 
-enum hw_cache_op_result_id {
-        PERF_COUNT_HW_CACHE_RESULT_ACCESS,
-        PERF_COUNT_HW_CACHE_RESULT_MISS,
+enum perf_hw_cache_op_result_id {
+        PERF_COUNT_HW_CACHE_RESULT_ACCESS       = 0,
+        PERF_COUNT_HW_CACHE_RESULT_MISS         = 1,
 
-        PERF_COUNT_HW_CACHE_RESULT_MAX,
+        PERF_COUNT_HW_CACHE_RESULT_MAX,         /* non ABI */
 };
 
 /*
@@ -95,7 +92,7 @@ enum hw_cache_op_result_id {
  * physical and sw events of the kernel (and allow the profiling of them as
  * well):
  */
-enum sw_event_ids {
+enum perf_sw_ids {
         PERF_COUNT_CPU_CLOCK            = 0,
         PERF_COUNT_TASK_CLOCK           = 1,
         PERF_COUNT_PAGE_FAULTS          = 2,
@@ -104,7 +101,7 @@ enum sw_event_ids {
         PERF_COUNT_PAGE_FAULTS_MIN      = 5,
         PERF_COUNT_PAGE_FAULTS_MAJ      = 6,
 
-        PERF_SW_EVENTS_MAX              = 7,
+        PERF_SW_EVENTS_MAX,             /* non ABI */
 };
 
 /*
diff --git a/kernel/perf_counter.c b/kernel/perf_counter.c
index 3b2829de5590..c02535bed26f 100644
--- a/kernel/perf_counter.c
+++ b/kernel/perf_counter.c
@@ -3162,7 +3162,7 @@ static int perf_swcounter_is_counting(struct perf_counter *counter)
 }
 
 static int perf_swcounter_match(struct perf_counter *counter,
-                                enum perf_event_types type,
+                                enum perf_type_id type,
                                 u32 event, struct pt_regs *regs)
 {
         if (!perf_swcounter_is_counting(counter))
@@ -3194,7 +3194,7 @@ static void perf_swcounter_add(struct perf_counter *counter, u64 nr,
 }
 
 static void perf_swcounter_ctx_event(struct perf_counter_context *ctx,
-                                     enum perf_event_types type, u32 event,
+                                     enum perf_type_id type, u32 event,
                                      u64 nr, int nmi, struct pt_regs *regs,
                                      u64 addr)
 {
@@ -3225,7 +3225,7 @@ static int *perf_swcounter_recursion_context(struct perf_cpu_context *cpuctx)
         return &cpuctx->recursion[0];
 }
 
-static void __perf_swcounter_event(enum perf_event_types type, u32 event,
+static void __perf_swcounter_event(enum perf_type_id type, u32 event,
                                    u64 nr, int nmi, struct pt_regs *regs,
                                    u64 addr)
 {