perf events: Remove unused perf_counter.h header file

Since nothing includes the <linux/perf_counter.h> file and it's
also not exported to user space, remove it.

Signed-off-by: Robert P. J. Day <rpjday@crashcourse.ca>
Cc: Peter Zijlstra <a.p.zijlstra@chello.nl>
Cc: Paul Mackerras <paulus@samba.org>
LKML-Reference: <alpine.LFD.2.00.0912161007430.8198@localhost>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

1 files changed, 0 insertions, 444 deletions

diff --git a/include/linux/perf_counter.h b/include/linux/perf_counter.h
deleted file mode 100644
index e3fb25606706..000000000000
--- a/include/linux/perf_counter.h
+++ /dev/null
@@ -1,444 +0,0 @@
-/*
- *  NOTE: this file will be removed in a future kernel release, it is
- *  provided as a courtesy copy of user-space code that relies on the
- *  old (pre-rename) symbols and constants.
- *
- *  Performance events:
- *
- *    Copyright (C) 2008-2009, Thomas Gleixner <tglx@linutronix.de>
- *    Copyright (C) 2008-2009, Red Hat, Inc., Ingo Molnar
- *    Copyright (C) 2008-2009, Red Hat, Inc., Peter Zijlstra
- *
- *  Data type definitions, declarations, prototypes.
- *
- *    Started by: Thomas Gleixner and Ingo Molnar
- *
- *  For licencing details see kernel-base/COPYING
- */
-#ifndef _LINUX_PERF_COUNTER_H
-#define _LINUX_PERF_COUNTER_H
-
-#include <linux/types.h>
-#include <linux/ioctl.h>
-#include <asm/byteorder.h>
-
-/*
- * User-space ABI bits:
- */
-
-/*
- * attr.type
- */
-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,
-
-	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 perf_hw_id {
-	/*
-	 * Common hardware events, generalized by the kernel:
-	 */
-	PERF_COUNT_HW_CPU_CYCLES		= 0,
-	PERF_COUNT_HW_INSTRUCTIONS		= 1,
-	PERF_COUNT_HW_CACHE_REFERENCES		= 2,
-	PERF_COUNT_HW_CACHE_MISSES		= 3,
-	PERF_COUNT_HW_BRANCH_INSTRUCTIONS	= 4,
-	PERF_COUNT_HW_BRANCH_MISSES		= 5,
-	PERF_COUNT_HW_BUS_CYCLES		= 6,
-
-	PERF_COUNT_HW_MAX,			/* non-ABI */
-};
-
-/*
- * Generalized hardware cache counters:
- *
- *       { L1-D, L1-I, LLC, ITLB, DTLB, BPU } x
- *       { read, write, prefetch } x
- *       { accesses, misses }
- */
-enum perf_hw_cache_id {
-	PERF_COUNT_HW_CACHE_L1D			= 0,
-	PERF_COUNT_HW_CACHE_L1I			= 1,
-	PERF_COUNT_HW_CACHE_LL			= 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 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,		/* non-ABI */
-};
-
-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,		/* non-ABI */
-};
-
-/*
- * Special "software" counters provided by the kernel, even if the hardware
- * does not support performance counters. These counters measure various
- * physical and sw events of the kernel (and allow the profiling of them as
- * well):
- */
-enum perf_sw_ids {
-	PERF_COUNT_SW_CPU_CLOCK			= 0,
-	PERF_COUNT_SW_TASK_CLOCK		= 1,
-	PERF_COUNT_SW_PAGE_FAULTS		= 2,
-	PERF_COUNT_SW_CONTEXT_SWITCHES		= 3,
-	PERF_COUNT_SW_CPU_MIGRATIONS		= 4,
-	PERF_COUNT_SW_PAGE_FAULTS_MIN		= 5,
-	PERF_COUNT_SW_PAGE_FAULTS_MAJ		= 6,
-	PERF_COUNT_SW_ALIGNMENT_FAULTS		= 7,
-	PERF_COUNT_SW_EMULATION_FAULTS		= 8,
-
-	PERF_COUNT_SW_MAX,			/* non-ABI */
-};
-
-/*
- * Bits that can be set in attr.sample_type to request information
- * in the overflow packets.
- */
-enum perf_counter_sample_format {
-	PERF_SAMPLE_IP				= 1U << 0,
-	PERF_SAMPLE_TID				= 1U << 1,
-	PERF_SAMPLE_TIME			= 1U << 2,
-	PERF_SAMPLE_ADDR			= 1U << 3,
-	PERF_SAMPLE_READ			= 1U << 4,
-	PERF_SAMPLE_CALLCHAIN			= 1U << 5,
-	PERF_SAMPLE_ID				= 1U << 6,
-	PERF_SAMPLE_CPU				= 1U << 7,
-	PERF_SAMPLE_PERIOD			= 1U << 8,
-	PERF_SAMPLE_STREAM_ID			= 1U << 9,
-	PERF_SAMPLE_RAW				= 1U << 10,
-
-	PERF_SAMPLE_MAX = 1U << 11,		/* non-ABI */
-};
-
-/*
- * The format of the data returned by read() on a perf counter fd,
- * as specified by attr.read_format:
- *
- * struct read_format {
- *	{ u64		value;
- *	  { u64		time_enabled; } && PERF_FORMAT_ENABLED
- *	  { u64		time_running; } && PERF_FORMAT_RUNNING
- *	  { u64		id;           } && PERF_FORMAT_ID
- *	} && !PERF_FORMAT_GROUP
- *
- *	{ u64		nr;
- *	  { u64		time_enabled; } && PERF_FORMAT_ENABLED
- *	  { u64		time_running; } && PERF_FORMAT_RUNNING
- *	  { u64		value;
- *	    { u64	id;           } && PERF_FORMAT_ID
- *	  }		cntr[nr];
- *	} && PERF_FORMAT_GROUP
- * };
- */
-enum perf_counter_read_format {
-	PERF_FORMAT_TOTAL_TIME_ENABLED		= 1U << 0,
-	PERF_FORMAT_TOTAL_TIME_RUNNING		= 1U << 1,
-	PERF_FORMAT_ID				= 1U << 2,
-	PERF_FORMAT_GROUP			= 1U << 3,
-
-	PERF_FORMAT_MAX = 1U << 4, 		/* non-ABI */
-};
-
-#define PERF_ATTR_SIZE_VER0	64	/* sizeof first published struct */
-
-/*
- * Hardware event to monitor via a performance monitoring counter:
- */
-struct perf_counter_attr {
-
-	/*
-	 * Major type: hardware/software/tracepoint/etc.
-	 */
-	__u32			type;
-
-	/*
-	 * Size of the attr structure, for fwd/bwd compat.
-	 */
-	__u32			size;
-
-	/*
-	 * Type specific configuration information.
-	 */
-	__u64			config;
-
-	union {
-		__u64		sample_period;
-		__u64		sample_freq;
-	};
-
-	__u64			sample_type;
-	__u64			read_format;
-
-	__u64			disabled       :  1, /* off by default        */
-				inherit	       :  1, /* children inherit it   */
-				pinned	       :  1, /* must always be on PMU */
-				exclusive      :  1, /* only group on PMU     */
-				exclude_user   :  1, /* don't count user      */
-				exclude_kernel :  1, /* ditto kernel          */
-				exclude_hv     :  1, /* ditto hypervisor      */
-				exclude_idle   :  1, /* don't count when idle */
-				mmap           :  1, /* include mmap data     */
-				comm	       :  1, /* include comm data     */
-				freq           :  1, /* use freq, not period  */
-				inherit_stat   :  1, /* per task counts       */
-				enable_on_exec :  1, /* next exec enables     */
-				task           :  1, /* trace fork/exit       */
-				watermark      :  1, /* wakeup_watermark      */
-
-				__reserved_1   : 49;
-
-	union {
-		__u32		wakeup_events;	  /* wakeup every n events */
-		__u32		wakeup_watermark; /* bytes before wakeup   */
-	};
-	__u32			__reserved_2;
-
-	__u64			__reserved_3;
-};
-
-/*
- * Ioctls that can be done on a perf counter fd:
- */
-#define PERF_COUNTER_IOC_ENABLE		_IO ('$', 0)
-#define PERF_COUNTER_IOC_DISABLE	_IO ('$', 1)
-#define PERF_COUNTER_IOC_REFRESH	_IO ('$', 2)
-#define PERF_COUNTER_IOC_RESET		_IO ('$', 3)
-#define PERF_COUNTER_IOC_PERIOD		_IOW('$', 4, u64)
-#define PERF_COUNTER_IOC_SET_OUTPUT	_IO ('$', 5)
-#define PERF_COUNTER_IOC_SET_FILTER	_IOW('$', 6, char *)
-
-enum perf_counter_ioc_flags {
-	PERF_IOC_FLAG_GROUP		= 1U << 0,
-};
-
-/*
- * Structure of the page that can be mapped via mmap
- */
-struct perf_counter_mmap_page {
-	__u32	version;		/* version number of this structure */
-	__u32	compat_version;		/* lowest version this is compat with */
-
-	/*
-	 * Bits needed to read the hw counters in user-space.
-	 *
-	 *   u32 seq;
-	 *   s64 count;
-	 *
-	 *   do {
-	 *     seq = pc->lock;
-	 *
-	 *     barrier()
-	 *     if (pc->index) {
-	 *       count = pmc_read(pc->index - 1);
-	 *       count += pc->offset;
-	 *     } else
-	 *       goto regular_read;
-	 *
-	 *     barrier();
-	 *   } while (pc->lock != seq);
-	 *
-	 * NOTE: for obvious reason this only works on self-monitoring
-	 *       processes.
-	 */
-	__u32	lock;			/* seqlock for synchronization */
-	__u32	index;			/* hardware counter identifier */
-	__s64	offset;			/* add to hardware counter value */
-	__u64	time_enabled;		/* time counter active */
-	__u64	time_running;		/* time counter on cpu */
-
-		/*
-		 * Hole for extension of the self monitor capabilities
-		 */
-
-	__u64	__reserved[123];	/* align to 1k */
-
-	/*
-	 * Control data for the mmap() data buffer.
-	 *
-	 * User-space reading the @data_head value should issue an rmb(), on
-	 * SMP capable platforms, after reading this value -- see
-	 * perf_counter_wakeup().
-	 *
-	 * When the mapping is PROT_WRITE the @data_tail value should be
-	 * written by userspace to reflect the last read data. In this case
-	 * the kernel will not over-write unread data.
-	 */
-	__u64   data_head;		/* head in the data section */
-	__u64	data_tail;		/* user-space written tail */
-};
-
-#define PERF_EVENT_MISC_CPUMODE_MASK		(3 << 0)
-#define PERF_EVENT_MISC_CPUMODE_UNKNOWN		(0 << 0)
-#define PERF_EVENT_MISC_KERNEL			(1 << 0)
-#define PERF_EVENT_MISC_USER			(2 << 0)
-#define PERF_EVENT_MISC_HYPERVISOR		(3 << 0)
-
-struct perf_event_header {
-	__u32	type;
-	__u16	misc;
-	__u16	size;
-};
-
-enum perf_event_type {
-
-	/*
-	 * The MMAP events record the PROT_EXEC mappings so that we can
-	 * correlate userspace IPs to code. They have the following structure:
-	 *
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *
-	 *	u32				pid, tid;
-	 *	u64				addr;
-	 *	u64				len;
-	 *	u64				pgoff;
-	 *	char				filename[];
-	 * };
-	 */
-	PERF_EVENT_MMAP			= 1,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u64				id;
-	 *	u64				lost;
-	 * };
-	 */
-	PERF_EVENT_LOST			= 2,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *
-	 *	u32				pid, tid;
-	 *	char				comm[];
-	 * };
-	 */
-	PERF_EVENT_COMM			= 3,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u32				pid, ppid;
-	 *	u32				tid, ptid;
-	 *	u64				time;
-	 * };
-	 */
-	PERF_EVENT_EXIT			= 4,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u64				time;
-	 *	u64				id;
-	 *	u64				stream_id;
-	 * };
-	 */
-	PERF_EVENT_THROTTLE		= 5,
-	PERF_EVENT_UNTHROTTLE		= 6,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u32				pid, ppid;
-	 *	u32				tid, ptid;
-	 *	u64				time;
-	 * };
-	 */
-	PERF_EVENT_FORK			= 7,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *	u32				pid, tid;
-	 *
-	 *	struct read_format		values;
-	 * };
-	 */
-	PERF_EVENT_READ			= 8,
-
-	/*
-	 * struct {
-	 *	struct perf_event_header	header;
-	 *
-	 *	{ u64			ip;	  } && PERF_SAMPLE_IP
-	 *	{ u32			pid, tid; } && PERF_SAMPLE_TID
-	 *	{ u64			time;     } && PERF_SAMPLE_TIME
-	 *	{ u64			addr;     } && PERF_SAMPLE_ADDR
-	 *	{ u64			id;	  } && PERF_SAMPLE_ID
-	 *	{ u64			stream_id;} && PERF_SAMPLE_STREAM_ID
-	 *	{ u32			cpu, res; } && PERF_SAMPLE_CPU
-	 *	{ u64			period;   } && PERF_SAMPLE_PERIOD
-	 *
-	 *	{ struct read_format	values;	  } && PERF_SAMPLE_READ
-	 *
-	 *	{ u64			nr,
-	 *	  u64			ips[nr];  } && PERF_SAMPLE_CALLCHAIN
-	 *
-	 *	#
-	 *	# The RAW record below is opaque data wrt the ABI
-	 *	#
-	 *	# That is, the ABI doesn't make any promises wrt to
-	 *	# the stability of its content, it may vary depending
-	 *	# on event, hardware, kernel version and phase of
-	 *	# the moon.
-	 *	#
-	 *	# In other words, PERF_SAMPLE_RAW contents are not an ABI.
-	 *	#
-	 *
-	 *	{ u32			size;
-	 *	  char                  data[size];}&& PERF_SAMPLE_RAW
-	 * };
-	 */
-	PERF_EVENT_SAMPLE		= 9,
-
-	PERF_EVENT_MAX,			/* non-ABI */
-};
-
-enum perf_callchain_context {
-	PERF_CONTEXT_HV			= (__u64)-32,
-	PERF_CONTEXT_KERNEL		= (__u64)-128,
-	PERF_CONTEXT_USER		= (__u64)-512,
-
-	PERF_CONTEXT_GUEST		= (__u64)-2048,
-	PERF_CONTEXT_GUEST_KERNEL	= (__u64)-2176,
-	PERF_CONTEXT_GUEST_USER		= (__u64)-2560,
-
-	PERF_CONTEXT_MAX		= (__u64)-4095,
-};
-
-#define PERF_FLAG_FD_NO_GROUP		(1U << 0)
-#define PERF_FLAG_FD_OUTPUT		(1U << 1)
-
-/*
- * In case some app still references the old symbols:
- */
-
-#define __NR_perf_counter_open		__NR_perf_event_open
-
-#define PR_TASK_PERF_COUNTERS_DISABLE	PR_TASK_PERF_EVENTS_DISABLE
-#define PR_TASK_PERF_COUNTERS_ENABLE	PR_TASK_PERF_EVENTS_ENABLE
-
-#endif /* _LINUX_PERF_COUNTER_H */