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>

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,
+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,
+	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 */
 };
 
 /*

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)
 {