user/perfmon/pfmlib_priv.h - akaros - Git at Google

 /*
  * Copyright (c) 2002-2006 Hewlett-Packard Development Company, L.P.
  * Contributed by Stephane Eranian <eranian@hpl.hp.com>
  *
  * Permission is hereby granted, free of charge, to any person obtaining a copy
  * of this software and associated documentation files (the "Software"), to deal
  * in the Software without restriction, including without limitation the rights
  * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
  * of the Software, and to permit persons to whom the Software is furnished to do so,
  * subject to the following conditions:
  *
  * The above copyright notice and this permission notice shall be included in all
  * copies or substantial portions of the Software.
  *
  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
  * INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
  * PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
  * CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
  * OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  *
  * This file is part of libpfm, a performance monitoring support library for
  * applications on Linux.
  */
 #ifndef __PFMLIB_PRIV_H__
 #define __PFMLIB_PRIV_H__
 #include <perfmon/pfmlib.h>
 #include <string.h>

 #define PFM_PLM_ALL (PFM_PLM0|PFM_PLM1|PFM_PLM2|PFM_PLM3|PFM_PLMH)

 #define PFMLIB_ATTR_DELIM	':'	/* event attribute delimiter */
 #define PFMLIB_PMU_DELIM	"::"	/* pmu to event delimiter */
 #define PFMLIB_EVENT_DELIM	','	/* event to event delimiter */

 #define PFM_ATTR_I(y, d) { .name = (y), .type = PFM_ATTR_MOD_INTEGER, .desc = (d) }
 #define PFM_ATTR_B(y, d) { .name = (y), .type = PFM_ATTR_MOD_BOOL, .desc = (d) }
 #define PFM_ATTR_SKIP	 { .name = "" } /* entry not populated (skipped) */
 #define PFM_ATTR_NULL	{ .name = NULL }

 #define PFMLIB_EVT_MAX_NAME_LEN	256

 /*
  * event identifier encoding:
  * bit 00-20 : event table specific index (2097152 possibilities)
  * bit 21-30 : PMU identifier (1024 possibilities)
  * bit 31    : reserved (to distinguish from a negative error code)
  */
 #define PFMLIB_PMU_SHIFT	21
 #define PFMLIB_PMU_MASK		0x3ff /* must fit PFM_PMU_MAX */
 #define PFMLIB_PMU_PIDX_MASK	((1<< PFMLIB_PMU_SHIFT)-1)

 typedef struct {
 	const char	*name;	/* name */
 	const char	*desc;	/* description */
 	pfm_attr_t	type;	/* used to validate value (if any) */
 } pfmlib_attr_desc_t;

 /*
  * attribute description passed to model-specific layer
  */
 typedef struct {
 	int	id;			/* attribute index */
 	union {
 		uint64_t	ival;	/* integer value (incl. bool) */
 		char		*sval;	/* string */
 	};
 } pfmlib_attr_t;

 /*
  * must be big enough to hold all possible priv level attributes
  */
 #define PFMLIB_MAX_ATTRS	64 /* max attributes per event desc */
 #define PFMLIB_MAX_ENCODING	4  /* max encoding length */

 /*
  * we add one entry to hold any raw umask users may specify
  * the last entry in pattrs[] hold that raw umask info
  */
 #define PFMLIB_MAX_PATTRS	(PFMLIB_MAX_ATTRS+1)

 struct pfmlib_pmu;
 typedef struct {
 	struct pfmlib_pmu	*pmu;				/* pmu */
 	int			dfl_plm;			/* default priv level mask */
 	int			event;				/* pidx */
 	int			npattrs;			/* number of attrs in pattrs[] */
 	int			nattrs;				/* number of attrs in attrs[] */
 	pfm_os_t		osid;				/* OS API requested */
 	int			count;				/* number of entries in codes[] */
 	pfmlib_attr_t		attrs[PFMLIB_MAX_ATTRS];	/* list of requested attributes */

 	pfm_event_attr_info_t	*pattrs;			/* list of possible attributes */
 	char			fstr[PFMLIB_EVT_MAX_NAME_LEN];	/* fully qualified event string */
 	uint64_t		codes[PFMLIB_MAX_ENCODING];	/* event encoding */
 	void			*os_data;
 } pfmlib_event_desc_t;
 #define modx(atdesc, a, z)	(atdesc[(a)].z)
 #define attr(e, k)		((e)->pattrs + (e)->attrs[k].id)

 typedef struct pfmlib_pmu {
 	const char 	*desc;			/* PMU description */
 	const char 	*name;			/* pmu short name */
 	const char	*perf_name;		/* perf_event pmu name (optional) */
 	pfm_pmu_t	pmu;			/* PMU model */
 	int		pme_count;		/* number of events */
 	int		max_encoding;		/* max number of uint64_t to encode an event */
 	int		flags;			/* 16 LSB: common, 16 MSB: arch spec*/
 	int		pmu_rev;		/* PMU model specific revision */
 	int		num_cntrs;		/* number of generic counters */
 	int		num_fixed_cntrs;	/* number of fixed counters */
 	int		supported_plm;		/* supported priv levels */

 	pfm_pmu_type_t	type;			/* PMU type */
 	const void	*pe;			/* pointer to event table */

 	const pfmlib_attr_desc_t *atdesc;	/* pointer to attrs table */

 	const int	cpu_family;		/* cpu family number for detection */
 	const int	*cpu_models;		/* cpu model numbers for detection (zero terminated) */

 	int 		 (*pmu_detect)(void *this);
 	int 		 (*pmu_init)(void *this);	/* optional */
 	void		 (*pmu_terminate)(void *this); /* optional */
 	int		 (*get_event_first)(void *this);
 	int		 (*get_event_next)(void *this, int pidx);
 	int		 (*get_event_info)(void *this, int pidx, pfm_event_info_t *info);
 	unsigned int	 (*get_event_nattrs)(void *this, int pidx);
 	int		 (*event_is_valid)(void *this, int pidx);
 	int		 (*can_auto_encode)(void *this, int pidx, int uidx);

 	int		 (*get_event_attr_info)(void *this, int pidx, int umask_idx, pfm_event_attr_info_t *info);
 	int		 (*get_event_encoding[PFM_OS_MAX])(void *this, pfmlib_event_desc_t *e);

 	void		 (*validate_pattrs[PFM_OS_MAX])(void *this, pfmlib_event_desc_t *e);
 	int		 (*os_detect[PFM_OS_MAX])(void *this);
 	int		 (*validate_table)(void *this, FILE *fp);
 	/*
 	 * optional callbacks
 	 */
 	int 		 (*get_num_events)(void *this);
 	void		 (*display_reg)(void *this, pfmlib_event_desc_t *e, void *val);
 	int 		 (*match_event)(void *this, pfmlib_event_desc_t *d, const char *e, const char *s);
 } pfmlib_pmu_t;

 typedef struct {
 	const char			*name;
 	const pfmlib_attr_desc_t	*atdesc;
 	pfm_os_t			id;
 	int				flags;
 	int				(*detect)(void *this);
 	int				(*get_os_attr_info)(void *this, pfmlib_event_desc_t *e);
 	int				(*get_os_nattrs)(void *this, pfmlib_event_desc_t *e);
 	int				(*encode)(void *this, const char *str, int dfl_plm, void *args);
 } pfmlib_os_t;

 #define PFMLIB_OS_FL_ACTIVATED	0x1	/* OS layer detected */

 /*
  * pfmlib_pmu_t common flags (LSB 16 bits)
  */
 #define PFMLIB_PMU_FL_INIT	0x1	/* PMU initialized correctly */
 #define PFMLIB_PMU_FL_ACTIVE	0x2	/* PMU is initialized + detected on host */
 #define PFMLIB_PMU_FL_RAW_UMASK	0x4	/* PMU supports PFM_ATTR_RAW_UMASKS */
 #define PFMLIB_PMU_FL_ARCH_DFL	0x8	/* PMU is arch default */
 #define PFMLIB_PMU_FL_NO_SMPL	0x10	/* PMU does not support sampling */

 typedef struct {
 	int	initdone;
 	int	verbose;
 	int	debug;
 	int	inactive;
 	char	*forced_pmu;
 	char	*blacklist_pmus;
 	FILE 	*fp;	/* verbose and debug file descriptor, default stderr or PFMLIB_DEBUG_STDOUT */
 } pfmlib_config_t;

 #define PFMLIB_INITIALIZED()	(pfm_cfg.initdone)

 extern pfmlib_config_t pfm_cfg;

 extern void __pfm_vbprintf(const char *fmt,...);
 extern void __pfm_dbprintf(const char *fmt,...);
 extern void pfmlib_strconcat(char *str, size_t max, const char *fmt, ...);
 extern int pfmlib_getl(char **buffer, size_t *len, FILE *fp);
 extern void pfmlib_compact_pattrs(pfmlib_event_desc_t *e, int i);
 #define evt_strcat(str, fmt, a...) pfmlib_strconcat(str, PFMLIB_EVT_MAX_NAME_LEN, fmt, a)

 extern int pfmlib_parse_event(const char *event, pfmlib_event_desc_t *d);
 extern int pfmlib_build_fstr(pfmlib_event_desc_t *e, char **fstr);
 extern void pfmlib_sort_attr(pfmlib_event_desc_t *e);
 extern pfmlib_pmu_t * pfmlib_get_pmu_by_type(pfm_pmu_type_t t);
 extern void pfmlib_release_event(pfmlib_event_desc_t *e);

 extern size_t pfmlib_check_struct(void *st, size_t usz, size_t refsz, size_t sz);

 #ifdef CONFIG_PFMLIB_DEBUG
 #define DPRINT(fmt, a...) \
 	do { \
 		__pfm_dbprintf("%s (%s.%d): " fmt, __FILE__, __func__, __LINE__, ## a); \
 	} while (0)
 #else
 #define DPRINT(fmt, a...) do { } while (0)
 #endif

 extern pfmlib_pmu_t montecito_support;
 extern pfmlib_pmu_t itanium2_support;
 extern pfmlib_pmu_t itanium_support;
 extern pfmlib_pmu_t generic_ia64_support;
 extern pfmlib_pmu_t amd64_k7_support;
 extern pfmlib_pmu_t amd64_k8_revb_support;
 extern pfmlib_pmu_t amd64_k8_revc_support;
 extern pfmlib_pmu_t amd64_k8_revd_support;
 extern pfmlib_pmu_t amd64_k8_reve_support;
 extern pfmlib_pmu_t amd64_k8_revf_support;
 extern pfmlib_pmu_t amd64_k8_revg_support;
 extern pfmlib_pmu_t amd64_fam10h_barcelona_support;
 extern pfmlib_pmu_t amd64_fam10h_shanghai_support;
 extern pfmlib_pmu_t amd64_fam10h_istanbul_support;
 extern pfmlib_pmu_t amd64_fam11h_turion_support;
 extern pfmlib_pmu_t amd64_fam12h_llano_support;
 extern pfmlib_pmu_t amd64_fam14h_bobcat_support;
 extern pfmlib_pmu_t amd64_fam15h_interlagos_support;
 extern pfmlib_pmu_t amd64_fam15h_nb_support;
 extern pfmlib_pmu_t intel_p6_support;
 extern pfmlib_pmu_t intel_ppro_support;
 extern pfmlib_pmu_t intel_pii_support;
 extern pfmlib_pmu_t intel_pm_support;
 extern pfmlib_pmu_t sicortex_support;
 extern pfmlib_pmu_t netburst_support;
 extern pfmlib_pmu_t netburst_p_support;
 extern pfmlib_pmu_t intel_coreduo_support;
 extern pfmlib_pmu_t intel_core_support;
 extern pfmlib_pmu_t intel_x86_arch_support;
 extern pfmlib_pmu_t intel_atom_support;
 extern pfmlib_pmu_t intel_nhm_support;
 extern pfmlib_pmu_t intel_nhm_ex_support;
 extern pfmlib_pmu_t intel_nhm_unc_support;
 extern pfmlib_pmu_t intel_snb_support;
 extern pfmlib_pmu_t intel_snb_unc_cbo0_support;
 extern pfmlib_pmu_t intel_snb_unc_cbo1_support;
 extern pfmlib_pmu_t intel_snb_unc_cbo2_support;
 extern pfmlib_pmu_t intel_snb_unc_cbo3_support;
 extern pfmlib_pmu_t intel_snb_ep_support;
 extern pfmlib_pmu_t intel_ivb_support;
 extern pfmlib_pmu_t intel_ivb_unc_cbo0_support;
 extern pfmlib_pmu_t intel_ivb_unc_cbo1_support;
 extern pfmlib_pmu_t intel_ivb_unc_cbo2_support;
 extern pfmlib_pmu_t intel_ivb_unc_cbo3_support;
 extern pfmlib_pmu_t intel_ivb_ep_support;
 extern pfmlib_pmu_t intel_hsw_support;
 extern pfmlib_pmu_t intel_hsw_ep_support;
 extern pfmlib_pmu_t intel_bdw_support;
 extern pfmlib_pmu_t intel_rapl_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb0_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb1_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb2_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb3_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb4_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb5_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb6_support;
 extern pfmlib_pmu_t intel_snbep_unc_cb7_support;
 extern pfmlib_pmu_t intel_snbep_unc_ha_support;
 extern pfmlib_pmu_t intel_snbep_unc_imc0_support;
 extern pfmlib_pmu_t intel_snbep_unc_imc1_support;
 extern pfmlib_pmu_t intel_snbep_unc_imc2_support;
 extern pfmlib_pmu_t intel_snbep_unc_imc3_support;
 extern pfmlib_pmu_t intel_snbep_unc_pcu_support;
 extern pfmlib_pmu_t intel_snbep_unc_qpi0_support;
 extern pfmlib_pmu_t intel_snbep_unc_qpi1_support;
 extern pfmlib_pmu_t intel_snbep_unc_ubo_support;
 extern pfmlib_pmu_t intel_snbep_unc_r2pcie_support;
 extern pfmlib_pmu_t intel_snbep_unc_r3qpi0_support;
 extern pfmlib_pmu_t intel_snbep_unc_r3qpi1_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb0_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb1_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb2_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb3_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb4_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb5_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb6_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb7_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb8_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb9_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb10_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb11_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb12_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb13_support;
 extern pfmlib_pmu_t intel_ivbep_unc_cb14_support;
 extern pfmlib_pmu_t intel_ivbep_unc_ha0_support;
 extern pfmlib_pmu_t intel_ivbep_unc_ha1_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc0_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc1_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc2_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc3_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc4_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc5_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc6_support;
 extern pfmlib_pmu_t intel_ivbep_unc_imc7_support;
 extern pfmlib_pmu_t intel_ivbep_unc_pcu_support;
 extern pfmlib_pmu_t intel_ivbep_unc_qpi0_support;
 extern pfmlib_pmu_t intel_ivbep_unc_qpi1_support;
 extern pfmlib_pmu_t intel_ivbep_unc_qpi2_support;
 extern pfmlib_pmu_t intel_ivbep_unc_ubo_support;
 extern pfmlib_pmu_t intel_ivbep_unc_r2pcie_support;
 extern pfmlib_pmu_t intel_ivbep_unc_r3qpi0_support;
 extern pfmlib_pmu_t intel_ivbep_unc_r3qpi1_support;
 extern pfmlib_pmu_t intel_ivbep_unc_r3qpi2_support;
 extern pfmlib_pmu_t intel_ivbep_unc_irp_support;
 extern pfmlib_pmu_t intel_knc_support;
 extern pfmlib_pmu_t intel_slm_support;
 extern pfmlib_pmu_t power4_support;
 extern pfmlib_pmu_t ppc970_support;
 extern pfmlib_pmu_t ppc970mp_support;
 extern pfmlib_pmu_t power5_support;
 extern pfmlib_pmu_t power5p_support;
 extern pfmlib_pmu_t power6_support;
 extern pfmlib_pmu_t power7_support;
 extern pfmlib_pmu_t power8_support;
 extern pfmlib_pmu_t torrent_support;
 extern pfmlib_pmu_t sparc_support;
 extern pfmlib_pmu_t sparc_ultra12_support;
 extern pfmlib_pmu_t sparc_ultra3_support;
 extern pfmlib_pmu_t sparc_ultra3i_support;
 extern pfmlib_pmu_t sparc_ultra3plus_support;
 extern pfmlib_pmu_t sparc_ultra4plus_support;
 extern pfmlib_pmu_t sparc_niagara1_support;
 extern pfmlib_pmu_t sparc_niagara2_support;
 extern pfmlib_pmu_t cell_support;
 extern pfmlib_pmu_t perf_event_support;
 extern pfmlib_pmu_t perf_event_raw_support;
 extern pfmlib_pmu_t intel_wsm_sp_support;
 extern pfmlib_pmu_t intel_wsm_dp_support;
 extern pfmlib_pmu_t intel_wsm_unc_support;
 extern pfmlib_pmu_t arm_cortex_a7_support;
 extern pfmlib_pmu_t arm_cortex_a8_support;
 extern pfmlib_pmu_t arm_cortex_a9_support;
 extern pfmlib_pmu_t arm_cortex_a15_support;
 extern pfmlib_pmu_t arm_1176_support;
 extern pfmlib_pmu_t arm_qcom_krait_support;
 extern pfmlib_pmu_t arm_cortex_a57_support;
 extern pfmlib_pmu_t arm_cortex_a53_support;
 extern pfmlib_pmu_t arm_xgene_support;
 extern pfmlib_pmu_t mips_74k_support;
 extern pfmlib_pmu_t s390x_cpum_cf_support;
 extern pfmlib_pmu_t s390x_cpum_sf_support;

 extern pfmlib_os_t *pfmlib_os;
 extern pfmlib_os_t pfmlib_os_perf;
 extern pfmlib_os_t pfmlib_os_perf_ext;

 extern char *pfmlib_forced_pmu;

 #define this_pe(t)		(((pfmlib_pmu_t *)t)->pe)
 #define this_atdesc(t)		(((pfmlib_pmu_t *)t)->atdesc)

 #define LIBPFM_ARRAY_SIZE(a) (sizeof(a) / sizeof(typeof(*(a))))
 /*
  * population count (number of bits set)
  */
 static inline int
 pfmlib_popcnt(unsigned long v)
 {
 	int sum = 0;

 	for(; v ; v >>=1) {
 		if (v & 0x1) sum++;
 	}
 	return sum;
 }

 /*
  * find next bit set
  */
 static inline size_t
 pfmlib_fnb(unsigned long value, size_t nbits, int p)
 {
 	unsigned long m;
 	size_t i;

 	for(i=p; i < nbits; i++) {
 		m = 1 << i;
 		if (value & m)
 			return i;
 	}
 	return i;
 }

 /*
  * PMU + internal idx -> external opaque idx
  */
 static inline int
 pfmlib_pidx2idx(pfmlib_pmu_t *pmu, int pidx)
 {
 	int idx;

 	idx = pmu->pmu << PFMLIB_PMU_SHIFT;
 	idx |= pidx;

 	return  idx;
 }

 #define pfmlib_for_each_bit(x, m) \
 	for((x) = pfmlib_fnb((m), (sizeof(m)<<3), 0); (x) < (sizeof(m)<<3); (x) = pfmlib_fnb((m), (sizeof(m)<<3), (x)+1))

 #ifdef __linux__

 #define PFMLIB_VALID_PERF_PATTRS(f)  \
 	.validate_pattrs[PFM_OS_PERF_EVENT] = f, \
 	.validate_pattrs[PFM_OS_PERF_EVENT_EXT]	= f

 #define PFMLIB_ENCODE_PERF(f)  \
 	.get_event_encoding[PFM_OS_PERF_EVENT] = f, \
 	.get_event_encoding[PFM_OS_PERF_EVENT_EXT] = f

 #define PFMLIB_OS_DETECT(f)  \
 	.os_detect[PFM_OS_PERF_EVENT] = f, \
 	.os_detect[PFM_OS_PERF_EVENT_EXT] = f
 #else
 #define PFMLIB_VALID_PERF_PATTRS(f) \
 	.validate_pattrs[PFM_OS_PERF_EVENT] = NULL, \
 	.validate_pattrs[PFM_OS_PERF_EVENT_EXT]	= NULL

 #define PFMLIB_ENCODE_PERF(f)  \
 	.get_event_encoding[PFM_OS_PERF_EVENT] = NULL, \
 	.get_event_encoding[PFM_OS_PERF_EVENT_EXT] = NULL

 #define PFMLIB_OS_DETECT(f)  \
 	.os_detect[PFM_OS_PERF_EVENT] = NULL, \
 	.os_detect[PFM_OS_PERF_EVENT_EXT] = NULL
 #endif

 static inline int
 is_empty_attr(const pfmlib_attr_desc_t *a)
 {
 	return !a || !a->name || strlen(a->name) == 0 ? 1 : 0;
 }

 #endif /* __PFMLIB_PRIV_H__ */
	/*
	* Copyright (c) 2002-2006 Hewlett-Packard Development Company, L.P.
	* Contributed by Stephane Eranian <eranian@hpl.hp.com>
	*
	* Permission is hereby granted, free of charge, to any person obtaining a copy
	* of this software and associated documentation files (the "Software"), to deal
	* in the Software without restriction, including without limitation the rights
	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
	* of the Software, and to permit persons to whom the Software is furnished to do so,
	* subject to the following conditions:
	*
	* The above copyright notice and this permission notice shall be included in all
	* copies or substantial portions of the Software.
	*
	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
	* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
	* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
	* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
	* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
	* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
	*
	* This file is part of libpfm, a performance monitoring support library for
	* applications on Linux.
	*/
	#ifndef __PFMLIB_PRIV_H__
	#define __PFMLIB_PRIV_H__
	#include <perfmon/pfmlib.h>
	#include <string.h>

	#define PFM_PLM_ALL (PFM_PLM0\|PFM_PLM1\|PFM_PLM2\|PFM_PLM3\|PFM_PLMH)

	#define PFMLIB_ATTR_DELIM ':' /* event attribute delimiter */
	#define PFMLIB_PMU_DELIM "::" /* pmu to event delimiter */
	#define PFMLIB_EVENT_DELIM ',' /* event to event delimiter */

	#define PFM_ATTR_I(y, d) { .name = (y), .type = PFM_ATTR_MOD_INTEGER, .desc = (d) }
	#define PFM_ATTR_B(y, d) { .name = (y), .type = PFM_ATTR_MOD_BOOL, .desc = (d) }
	#define PFM_ATTR_SKIP { .name = "" } /* entry not populated (skipped) */
	#define PFM_ATTR_NULL { .name = NULL }

	#define PFMLIB_EVT_MAX_NAME_LEN 256

	/*
	* event identifier encoding:
	* bit 00-20 : event table specific index (2097152 possibilities)
	* bit 21-30 : PMU identifier (1024 possibilities)
	* bit 31 : reserved (to distinguish from a negative error code)
	*/
	#define PFMLIB_PMU_SHIFT 21
	#define PFMLIB_PMU_MASK 0x3ff /* must fit PFM_PMU_MAX */
	#define PFMLIB_PMU_PIDX_MASK ((1<< PFMLIB_PMU_SHIFT)-1)

	typedef struct {
	const char name; / name */
	const char desc; / description */
	pfm_attr_t type; /* used to validate value (if any) */
	} pfmlib_attr_desc_t;

	/*
	* attribute description passed to model-specific layer
	*/
	typedef struct {
	int id; /* attribute index */
	union {
	uint64_t ival; /* integer value (incl. bool) */
	char sval; / string */
	};
	} pfmlib_attr_t;

	/*
	* must be big enough to hold all possible priv level attributes
	*/
	#define PFMLIB_MAX_ATTRS 64 /* max attributes per event desc */
	#define PFMLIB_MAX_ENCODING 4 /* max encoding length */

	/*
	* we add one entry to hold any raw umask users may specify
	* the last entry in pattrs[] hold that raw umask info
	*/
	#define PFMLIB_MAX_PATTRS (PFMLIB_MAX_ATTRS+1)

	struct pfmlib_pmu;
	typedef struct {
	struct pfmlib_pmu pmu; / pmu */
	int dfl_plm; /* default priv level mask */
	int event; /* pidx */
	int npattrs; /* number of attrs in pattrs[] */
	int nattrs; /* number of attrs in attrs[] */
	pfm_os_t osid; /* OS API requested */
	int count; /* number of entries in codes[] */
	pfmlib_attr_t attrs[PFMLIB_MAX_ATTRS]; /* list of requested attributes */

	pfm_event_attr_info_t pattrs; / list of possible attributes */
	char fstr[PFMLIB_EVT_MAX_NAME_LEN]; /* fully qualified event string */
	uint64_t codes[PFMLIB_MAX_ENCODING]; /* event encoding */
	void *os_data;
	} pfmlib_event_desc_t;
	#define modx(atdesc, a, z) (atdesc[(a)].z)
	#define attr(e, k) ((e)->pattrs + (e)->attrs[k].id)

	typedef struct pfmlib_pmu {
	const char desc; / PMU description */
	const char name; / pmu short name */
	const char perf_name; / perf_event pmu name (optional) */
	pfm_pmu_t pmu; /* PMU model */
	int pme_count; /* number of events */
	int max_encoding; /* max number of uint64_t to encode an event */
	int flags; /* 16 LSB: common, 16 MSB: arch spec*/
	int pmu_rev; /* PMU model specific revision */
	int num_cntrs; /* number of generic counters */
	int num_fixed_cntrs; /* number of fixed counters */
	int supported_plm; /* supported priv levels */

	pfm_pmu_type_t type; /* PMU type */
	const void pe; / pointer to event table */

	const pfmlib_attr_desc_t atdesc; / pointer to attrs table */

	const int cpu_family; /* cpu family number for detection */
	const int cpu_models; / cpu model numbers for detection (zero terminated) */

	int (pmu_detect)(void this);
	int (pmu_init)(void this); /* optional */
	void (pmu_terminate)(void this); /* optional */
	int (get_event_first)(void this);
	int (get_event_next)(void this, int pidx);
	int (get_event_info)(void this, int pidx, pfm_event_info_t *info);
	unsigned int (get_event_nattrs)(void this, int pidx);
	int (event_is_valid)(void this, int pidx);
	int (can_auto_encode)(void this, int pidx, int uidx);

	int (get_event_attr_info)(void this, int pidx, int umask_idx, pfm_event_attr_info_t *info);
	int (get_event_encoding[PFM_OS_MAX])(void this, pfmlib_event_desc_t *e);

	void (validate_pattrs[PFM_OS_MAX])(void this, pfmlib_event_desc_t *e);
	int (os_detect[PFM_OS_MAX])(void this);
	int (validate_table)(void this, FILE *fp);
	/*
	* optional callbacks
	*/
	int (get_num_events)(void this);
	void (display_reg)(void this, pfmlib_event_desc_t e, void val);
	int (match_event)(void this, pfmlib_event_desc_t d, const char e, const char *s);
	} pfmlib_pmu_t;

	typedef struct {
	const char *name;
	const pfmlib_attr_desc_t *atdesc;
	pfm_os_t id;
	int flags;
	int (detect)(void this);
	int (get_os_attr_info)(void this, pfmlib_event_desc_t *e);
	int (get_os_nattrs)(void this, pfmlib_event_desc_t *e);
	int (encode)(void this, const char str, int dfl_plm, void args);
	} pfmlib_os_t;

	#define PFMLIB_OS_FL_ACTIVATED 0x1 /* OS layer detected */

	/*
	* pfmlib_pmu_t common flags (LSB 16 bits)
	*/
	#define PFMLIB_PMU_FL_INIT 0x1 /* PMU initialized correctly */
	#define PFMLIB_PMU_FL_ACTIVE 0x2 /* PMU is initialized + detected on host */
	#define PFMLIB_PMU_FL_RAW_UMASK 0x4 /* PMU supports PFM_ATTR_RAW_UMASKS */
	#define PFMLIB_PMU_FL_ARCH_DFL 0x8 /* PMU is arch default */
	#define PFMLIB_PMU_FL_NO_SMPL 0x10 /* PMU does not support sampling */

	typedef struct {
	int initdone;
	int verbose;
	int debug;
	int inactive;
	char *forced_pmu;
	char *blacklist_pmus;
	FILE fp; / verbose and debug file descriptor, default stderr or PFMLIB_DEBUG_STDOUT */
	} pfmlib_config_t;

	#define PFMLIB_INITIALIZED() (pfm_cfg.initdone)

	extern pfmlib_config_t pfm_cfg;

	extern void __pfm_vbprintf(const char *fmt,...);
	extern void __pfm_dbprintf(const char *fmt,...);
	extern void pfmlib_strconcat(char str, size_t max, const char fmt, ...);
	extern int pfmlib_getl(char *buffer, size_t len, FILE *fp);
	extern void pfmlib_compact_pattrs(pfmlib_event_desc_t *e, int i);
	#define evt_strcat(str, fmt, a...) pfmlib_strconcat(str, PFMLIB_EVT_MAX_NAME_LEN, fmt, a)

	extern int pfmlib_parse_event(const char event, pfmlib_event_desc_t d);
	extern int pfmlib_build_fstr(pfmlib_event_desc_t e, char *fstr);
	extern void pfmlib_sort_attr(pfmlib_event_desc_t *e);
	extern pfmlib_pmu_t * pfmlib_get_pmu_by_type(pfm_pmu_type_t t);
	extern void pfmlib_release_event(pfmlib_event_desc_t *e);

	extern size_t pfmlib_check_struct(void *st, size_t usz, size_t refsz, size_t sz);

	#ifdef CONFIG_PFMLIB_DEBUG
	#define DPRINT(fmt, a...) \
	do { \
	__pfm_dbprintf("%s (%s.%d): " fmt, __FILE__, __func__, __LINE__, ## a); \
	} while (0)
	#else
	#define DPRINT(fmt, a...) do { } while (0)
	#endif

	extern pfmlib_pmu_t montecito_support;
	extern pfmlib_pmu_t itanium2_support;
	extern pfmlib_pmu_t itanium_support;
	extern pfmlib_pmu_t generic_ia64_support;
	extern pfmlib_pmu_t amd64_k7_support;
	extern pfmlib_pmu_t amd64_k8_revb_support;
	extern pfmlib_pmu_t amd64_k8_revc_support;
	extern pfmlib_pmu_t amd64_k8_revd_support;
	extern pfmlib_pmu_t amd64_k8_reve_support;
	extern pfmlib_pmu_t amd64_k8_revf_support;
	extern pfmlib_pmu_t amd64_k8_revg_support;
	extern pfmlib_pmu_t amd64_fam10h_barcelona_support;
	extern pfmlib_pmu_t amd64_fam10h_shanghai_support;
	extern pfmlib_pmu_t amd64_fam10h_istanbul_support;
	extern pfmlib_pmu_t amd64_fam11h_turion_support;
	extern pfmlib_pmu_t amd64_fam12h_llano_support;
	extern pfmlib_pmu_t amd64_fam14h_bobcat_support;
	extern pfmlib_pmu_t amd64_fam15h_interlagos_support;
	extern pfmlib_pmu_t amd64_fam15h_nb_support;
	extern pfmlib_pmu_t intel_p6_support;
	extern pfmlib_pmu_t intel_ppro_support;
	extern pfmlib_pmu_t intel_pii_support;
	extern pfmlib_pmu_t intel_pm_support;
	extern pfmlib_pmu_t sicortex_support;
	extern pfmlib_pmu_t netburst_support;
	extern pfmlib_pmu_t netburst_p_support;
	extern pfmlib_pmu_t intel_coreduo_support;
	extern pfmlib_pmu_t intel_core_support;
	extern pfmlib_pmu_t intel_x86_arch_support;
	extern pfmlib_pmu_t intel_atom_support;
	extern pfmlib_pmu_t intel_nhm_support;
	extern pfmlib_pmu_t intel_nhm_ex_support;
	extern pfmlib_pmu_t intel_nhm_unc_support;
	extern pfmlib_pmu_t intel_snb_support;
	extern pfmlib_pmu_t intel_snb_unc_cbo0_support;
	extern pfmlib_pmu_t intel_snb_unc_cbo1_support;
	extern pfmlib_pmu_t intel_snb_unc_cbo2_support;
	extern pfmlib_pmu_t intel_snb_unc_cbo3_support;
	extern pfmlib_pmu_t intel_snb_ep_support;
	extern pfmlib_pmu_t intel_ivb_support;
	extern pfmlib_pmu_t intel_ivb_unc_cbo0_support;
	extern pfmlib_pmu_t intel_ivb_unc_cbo1_support;
	extern pfmlib_pmu_t intel_ivb_unc_cbo2_support;
	extern pfmlib_pmu_t intel_ivb_unc_cbo3_support;
	extern pfmlib_pmu_t intel_ivb_ep_support;
	extern pfmlib_pmu_t intel_hsw_support;
	extern pfmlib_pmu_t intel_hsw_ep_support;
	extern pfmlib_pmu_t intel_bdw_support;
	extern pfmlib_pmu_t intel_rapl_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb0_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb1_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb2_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb3_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb4_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb5_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb6_support;
	extern pfmlib_pmu_t intel_snbep_unc_cb7_support;
	extern pfmlib_pmu_t intel_snbep_unc_ha_support;
	extern pfmlib_pmu_t intel_snbep_unc_imc0_support;
	extern pfmlib_pmu_t intel_snbep_unc_imc1_support;
	extern pfmlib_pmu_t intel_snbep_unc_imc2_support;
	extern pfmlib_pmu_t intel_snbep_unc_imc3_support;
	extern pfmlib_pmu_t intel_snbep_unc_pcu_support;
	extern pfmlib_pmu_t intel_snbep_unc_qpi0_support;
	extern pfmlib_pmu_t intel_snbep_unc_qpi1_support;
	extern pfmlib_pmu_t intel_snbep_unc_ubo_support;
	extern pfmlib_pmu_t intel_snbep_unc_r2pcie_support;
	extern pfmlib_pmu_t intel_snbep_unc_r3qpi0_support;
	extern pfmlib_pmu_t intel_snbep_unc_r3qpi1_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb0_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb1_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb2_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb3_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb4_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb5_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb6_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb7_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb8_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb9_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb10_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb11_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb12_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb13_support;
	extern pfmlib_pmu_t intel_ivbep_unc_cb14_support;
	extern pfmlib_pmu_t intel_ivbep_unc_ha0_support;
	extern pfmlib_pmu_t intel_ivbep_unc_ha1_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc0_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc1_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc2_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc3_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc4_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc5_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc6_support;
	extern pfmlib_pmu_t intel_ivbep_unc_imc7_support;
	extern pfmlib_pmu_t intel_ivbep_unc_pcu_support;
	extern pfmlib_pmu_t intel_ivbep_unc_qpi0_support;
	extern pfmlib_pmu_t intel_ivbep_unc_qpi1_support;
	extern pfmlib_pmu_t intel_ivbep_unc_qpi2_support;
	extern pfmlib_pmu_t intel_ivbep_unc_ubo_support;
	extern pfmlib_pmu_t intel_ivbep_unc_r2pcie_support;
	extern pfmlib_pmu_t intel_ivbep_unc_r3qpi0_support;
	extern pfmlib_pmu_t intel_ivbep_unc_r3qpi1_support;
	extern pfmlib_pmu_t intel_ivbep_unc_r3qpi2_support;
	extern pfmlib_pmu_t intel_ivbep_unc_irp_support;
	extern pfmlib_pmu_t intel_knc_support;
	extern pfmlib_pmu_t intel_slm_support;
	extern pfmlib_pmu_t power4_support;
	extern pfmlib_pmu_t ppc970_support;
	extern pfmlib_pmu_t ppc970mp_support;
	extern pfmlib_pmu_t power5_support;
	extern pfmlib_pmu_t power5p_support;
	extern pfmlib_pmu_t power6_support;
	extern pfmlib_pmu_t power7_support;
	extern pfmlib_pmu_t power8_support;
	extern pfmlib_pmu_t torrent_support;
	extern pfmlib_pmu_t sparc_support;
	extern pfmlib_pmu_t sparc_ultra12_support;
	extern pfmlib_pmu_t sparc_ultra3_support;
	extern pfmlib_pmu_t sparc_ultra3i_support;
	extern pfmlib_pmu_t sparc_ultra3plus_support;
	extern pfmlib_pmu_t sparc_ultra4plus_support;
	extern pfmlib_pmu_t sparc_niagara1_support;
	extern pfmlib_pmu_t sparc_niagara2_support;
	extern pfmlib_pmu_t cell_support;
	extern pfmlib_pmu_t perf_event_support;
	extern pfmlib_pmu_t perf_event_raw_support;
	extern pfmlib_pmu_t intel_wsm_sp_support;
	extern pfmlib_pmu_t intel_wsm_dp_support;
	extern pfmlib_pmu_t intel_wsm_unc_support;
	extern pfmlib_pmu_t arm_cortex_a7_support;
	extern pfmlib_pmu_t arm_cortex_a8_support;
	extern pfmlib_pmu_t arm_cortex_a9_support;
	extern pfmlib_pmu_t arm_cortex_a15_support;
	extern pfmlib_pmu_t arm_1176_support;
	extern pfmlib_pmu_t arm_qcom_krait_support;
	extern pfmlib_pmu_t arm_cortex_a57_support;
	extern pfmlib_pmu_t arm_cortex_a53_support;
	extern pfmlib_pmu_t arm_xgene_support;
	extern pfmlib_pmu_t mips_74k_support;
	extern pfmlib_pmu_t s390x_cpum_cf_support;
	extern pfmlib_pmu_t s390x_cpum_sf_support;

	extern pfmlib_os_t *pfmlib_os;
	extern pfmlib_os_t pfmlib_os_perf;
	extern pfmlib_os_t pfmlib_os_perf_ext;

	extern char *pfmlib_forced_pmu;

	#define this_pe(t) (((pfmlib_pmu_t *)t)->pe)
	#define this_atdesc(t) (((pfmlib_pmu_t *)t)->atdesc)

	#define LIBPFM_ARRAY_SIZE(a) (sizeof(a) / sizeof(typeof(*(a))))
	/*
	* population count (number of bits set)
	*/
	static inline int
	pfmlib_popcnt(unsigned long v)
	{
	int sum = 0;

	for(; v ; v >>=1) {
	if (v & 0x1) sum++;
	}
	return sum;
	}

	/*
	* find next bit set
	*/
	static inline size_t
	pfmlib_fnb(unsigned long value, size_t nbits, int p)
	{
	unsigned long m;
	size_t i;

	for(i=p; i < nbits; i++) {
	m = 1 << i;
	if (value & m)
	return i;
	}
	return i;
	}

	/*
	* PMU + internal idx -> external opaque idx
	*/
	static inline int
	pfmlib_pidx2idx(pfmlib_pmu_t *pmu, int pidx)
	{
	int idx;

	idx = pmu->pmu << PFMLIB_PMU_SHIFT;
	idx \|= pidx;

	return idx;
	}

	#define pfmlib_for_each_bit(x, m) \
	for((x) = pfmlib_fnb((m), (sizeof(m)<<3), 0); (x) < (sizeof(m)<<3); (x) = pfmlib_fnb((m), (sizeof(m)<<3), (x)+1))

	#ifdef __linux__

	#define PFMLIB_VALID_PERF_PATTRS(f) \
	.validate_pattrs[PFM_OS_PERF_EVENT] = f, \
	.validate_pattrs[PFM_OS_PERF_EVENT_EXT] = f

	#define PFMLIB_ENCODE_PERF(f) \
	.get_event_encoding[PFM_OS_PERF_EVENT] = f, \
	.get_event_encoding[PFM_OS_PERF_EVENT_EXT] = f

	#define PFMLIB_OS_DETECT(f) \
	.os_detect[PFM_OS_PERF_EVENT] = f, \
	.os_detect[PFM_OS_PERF_EVENT_EXT] = f
	#else
	#define PFMLIB_VALID_PERF_PATTRS(f) \
	.validate_pattrs[PFM_OS_PERF_EVENT] = NULL, \
	.validate_pattrs[PFM_OS_PERF_EVENT_EXT] = NULL

	#define PFMLIB_ENCODE_PERF(f) \
	.get_event_encoding[PFM_OS_PERF_EVENT] = NULL, \
	.get_event_encoding[PFM_OS_PERF_EVENT_EXT] = NULL

	#define PFMLIB_OS_DETECT(f) \
	.os_detect[PFM_OS_PERF_EVENT] = NULL, \
	.os_detect[PFM_OS_PERF_EVENT_EXT] = NULL
	#endif

	static inline int
	is_empty_attr(const pfmlib_attr_desc_t *a)
	{
	return !a \|\| !a->name \|\| strlen(a->name) == 0 ? 1 : 0;
	}

	#endif /* __PFMLIB_PRIV_H__ */