cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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hist.h (17694B)


      1/* SPDX-License-Identifier: GPL-2.0 */
      2#ifndef __PERF_HIST_H
      3#define __PERF_HIST_H
      4
      5#include <linux/rbtree.h>
      6#include <linux/types.h>
      7#include <pthread.h>
      8#include "evsel.h"
      9#include "color.h"
     10#include "events_stats.h"
     11
     12struct hist_entry;
     13struct hist_entry_ops;
     14struct addr_location;
     15struct map_symbol;
     16struct mem_info;
     17struct branch_info;
     18struct branch_stack;
     19struct block_info;
     20struct symbol;
     21struct ui_progress;
     22
     23enum hist_filter {
     24	HIST_FILTER__DSO,
     25	HIST_FILTER__THREAD,
     26	HIST_FILTER__PARENT,
     27	HIST_FILTER__SYMBOL,
     28	HIST_FILTER__GUEST,
     29	HIST_FILTER__HOST,
     30	HIST_FILTER__SOCKET,
     31	HIST_FILTER__C2C,
     32};
     33
     34enum hist_column {
     35	HISTC_SYMBOL,
     36	HISTC_TIME,
     37	HISTC_DSO,
     38	HISTC_THREAD,
     39	HISTC_COMM,
     40	HISTC_CGROUP_ID,
     41	HISTC_CGROUP,
     42	HISTC_PARENT,
     43	HISTC_CPU,
     44	HISTC_SOCKET,
     45	HISTC_SRCLINE,
     46	HISTC_SRCFILE,
     47	HISTC_MISPREDICT,
     48	HISTC_IN_TX,
     49	HISTC_ABORT,
     50	HISTC_SYMBOL_FROM,
     51	HISTC_SYMBOL_TO,
     52	HISTC_DSO_FROM,
     53	HISTC_DSO_TO,
     54	HISTC_LOCAL_WEIGHT,
     55	HISTC_GLOBAL_WEIGHT,
     56	HISTC_CODE_PAGE_SIZE,
     57	HISTC_MEM_DADDR_SYMBOL,
     58	HISTC_MEM_DADDR_DSO,
     59	HISTC_MEM_PHYS_DADDR,
     60	HISTC_MEM_DATA_PAGE_SIZE,
     61	HISTC_MEM_LOCKED,
     62	HISTC_MEM_TLB,
     63	HISTC_MEM_LVL,
     64	HISTC_MEM_SNOOP,
     65	HISTC_MEM_DCACHELINE,
     66	HISTC_MEM_IADDR_SYMBOL,
     67	HISTC_TRANSACTION,
     68	HISTC_CYCLES,
     69	HISTC_SRCLINE_FROM,
     70	HISTC_SRCLINE_TO,
     71	HISTC_TRACE,
     72	HISTC_SYM_SIZE,
     73	HISTC_DSO_SIZE,
     74	HISTC_SYMBOL_IPC,
     75	HISTC_MEM_BLOCKED,
     76	HISTC_LOCAL_INS_LAT,
     77	HISTC_GLOBAL_INS_LAT,
     78	HISTC_LOCAL_P_STAGE_CYC,
     79	HISTC_GLOBAL_P_STAGE_CYC,
     80	HISTC_ADDR_FROM,
     81	HISTC_ADDR_TO,
     82	HISTC_NR_COLS, /* Last entry */
     83};
     84
     85struct thread;
     86struct dso;
     87
     88struct hists {
     89	struct rb_root_cached	entries_in_array[2];
     90	struct rb_root_cached	*entries_in;
     91	struct rb_root_cached	entries;
     92	struct rb_root_cached	entries_collapsed;
     93	u64			nr_entries;
     94	u64			nr_non_filtered_entries;
     95	u64			callchain_period;
     96	u64			callchain_non_filtered_period;
     97	struct thread		*thread_filter;
     98	const struct dso	*dso_filter;
     99	const char		*uid_filter_str;
    100	const char		*symbol_filter_str;
    101	pthread_mutex_t		lock;
    102	struct hists_stats	stats;
    103	u64			event_stream;
    104	u16			col_len[HISTC_NR_COLS];
    105	bool			has_callchains;
    106	int			socket_filter;
    107	struct perf_hpp_list	*hpp_list;
    108	struct list_head	hpp_formats;
    109	int			nr_hpp_node;
    110};
    111
    112#define hists__has(__h, __f) (__h)->hpp_list->__f
    113
    114struct hist_entry_iter;
    115
    116struct hist_iter_ops {
    117	int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
    118	int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
    119	int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
    120	int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
    121	int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
    122};
    123
    124struct hist_entry_iter {
    125	int total;
    126	int curr;
    127
    128	bool hide_unresolved;
    129
    130	struct evsel *evsel;
    131	struct perf_sample *sample;
    132	struct hist_entry *he;
    133	struct symbol *parent;
    134	void *priv;
    135
    136	const struct hist_iter_ops *ops;
    137	/* user-defined callback function (optional) */
    138	int (*add_entry_cb)(struct hist_entry_iter *iter,
    139			    struct addr_location *al, bool single, void *arg);
    140};
    141
    142extern const struct hist_iter_ops hist_iter_normal;
    143extern const struct hist_iter_ops hist_iter_branch;
    144extern const struct hist_iter_ops hist_iter_mem;
    145extern const struct hist_iter_ops hist_iter_cumulative;
    146
    147struct hist_entry *hists__add_entry(struct hists *hists,
    148				    struct addr_location *al,
    149				    struct symbol *parent,
    150				    struct branch_info *bi,
    151				    struct mem_info *mi,
    152				    struct perf_sample *sample,
    153				    bool sample_self);
    154
    155struct hist_entry *hists__add_entry_ops(struct hists *hists,
    156					struct hist_entry_ops *ops,
    157					struct addr_location *al,
    158					struct symbol *sym_parent,
    159					struct branch_info *bi,
    160					struct mem_info *mi,
    161					struct perf_sample *sample,
    162					bool sample_self);
    163
    164struct hist_entry *hists__add_entry_block(struct hists *hists,
    165					  struct addr_location *al,
    166					  struct block_info *bi);
    167
    168int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
    169			 int max_stack_depth, void *arg);
    170
    171struct perf_hpp;
    172struct perf_hpp_fmt;
    173
    174int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
    175int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
    176int hist_entry__transaction_len(void);
    177int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
    178			      struct hists *hists);
    179int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
    180				   struct perf_hpp_fmt *fmt, int printed);
    181void hist_entry__delete(struct hist_entry *he);
    182
    183typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);
    184
    185void evsel__output_resort_cb(struct evsel *evsel, struct ui_progress *prog,
    186			     hists__resort_cb_t cb, void *cb_arg);
    187void evsel__output_resort(struct evsel *evsel, struct ui_progress *prog);
    188void hists__output_resort(struct hists *hists, struct ui_progress *prog);
    189void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
    190			     hists__resort_cb_t cb);
    191int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
    192
    193void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
    194void hists__delete_entries(struct hists *hists);
    195void hists__output_recalc_col_len(struct hists *hists, int max_rows);
    196
    197struct hist_entry *hists__get_entry(struct hists *hists, int idx);
    198
    199u64 hists__total_period(struct hists *hists);
    200void hists__reset_stats(struct hists *hists);
    201void hists__inc_stats(struct hists *hists, struct hist_entry *h);
    202void hists__inc_nr_events(struct hists *hists);
    203void hists__inc_nr_samples(struct hists *hists, bool filtered);
    204
    205size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
    206		      int max_cols, float min_pcnt, FILE *fp,
    207		      bool ignore_callchains);
    208size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp,
    209				 bool skip_empty);
    210
    211void hists__filter_by_dso(struct hists *hists);
    212void hists__filter_by_thread(struct hists *hists);
    213void hists__filter_by_symbol(struct hists *hists);
    214void hists__filter_by_socket(struct hists *hists);
    215
    216static inline bool hists__has_filter(struct hists *hists)
    217{
    218	return hists->thread_filter || hists->dso_filter ||
    219		hists->symbol_filter_str || (hists->socket_filter > -1);
    220}
    221
    222u16 hists__col_len(struct hists *hists, enum hist_column col);
    223void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
    224bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
    225void hists__reset_col_len(struct hists *hists);
    226void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
    227
    228void hists__match(struct hists *leader, struct hists *other);
    229int hists__link(struct hists *leader, struct hists *other);
    230int hists__unlink(struct hists *hists);
    231
    232struct hists_evsel {
    233	struct evsel evsel;
    234	struct hists	  hists;
    235};
    236
    237static inline struct evsel *hists_to_evsel(struct hists *hists)
    238{
    239	struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
    240	return &hevsel->evsel;
    241}
    242
    243static inline struct hists *evsel__hists(struct evsel *evsel)
    244{
    245	struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
    246	return &hevsel->hists;
    247}
    248
    249static __pure inline bool hists__has_callchains(struct hists *hists)
    250{
    251	return hists->has_callchains;
    252}
    253
    254int hists__init(void);
    255int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
    256
    257struct rb_root_cached *hists__get_rotate_entries_in(struct hists *hists);
    258
    259struct perf_hpp {
    260	char *buf;
    261	size_t size;
    262	const char *sep;
    263	void *ptr;
    264	bool skip;
    265};
    266
    267struct perf_hpp_fmt {
    268	const char *name;
    269	int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    270		      struct hists *hists, int line, int *span);
    271	int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    272		     struct hists *hists);
    273	int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    274		     struct hist_entry *he);
    275	int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    276		     struct hist_entry *he);
    277	int64_t (*cmp)(struct perf_hpp_fmt *fmt,
    278		       struct hist_entry *a, struct hist_entry *b);
    279	int64_t (*collapse)(struct perf_hpp_fmt *fmt,
    280			    struct hist_entry *a, struct hist_entry *b);
    281	int64_t (*sort)(struct perf_hpp_fmt *fmt,
    282			struct hist_entry *a, struct hist_entry *b);
    283	bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
    284	void (*free)(struct perf_hpp_fmt *fmt);
    285
    286	struct list_head list;
    287	struct list_head sort_list;
    288	bool elide;
    289	int len;
    290	int user_len;
    291	int idx;
    292	int level;
    293};
    294
    295struct perf_hpp_list {
    296	struct list_head fields;
    297	struct list_head sorts;
    298
    299	int nr_header_lines;
    300	int need_collapse;
    301	int parent;
    302	int sym;
    303	int dso;
    304	int socket;
    305	int thread;
    306	int comm;
    307};
    308
    309extern struct perf_hpp_list perf_hpp_list;
    310
    311struct perf_hpp_list_node {
    312	struct list_head	list;
    313	struct perf_hpp_list	hpp;
    314	int			level;
    315	bool			skip;
    316};
    317
    318void perf_hpp_list__column_register(struct perf_hpp_list *list,
    319				    struct perf_hpp_fmt *format);
    320void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
    321					struct perf_hpp_fmt *format);
    322void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
    323				       struct perf_hpp_fmt *format);
    324
    325static inline void perf_hpp__column_register(struct perf_hpp_fmt *format)
    326{
    327	perf_hpp_list__column_register(&perf_hpp_list, format);
    328}
    329
    330static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
    331{
    332	perf_hpp_list__register_sort_field(&perf_hpp_list, format);
    333}
    334
    335static inline void perf_hpp__prepend_sort_field(struct perf_hpp_fmt *format)
    336{
    337	perf_hpp_list__prepend_sort_field(&perf_hpp_list, format);
    338}
    339
    340#define perf_hpp_list__for_each_format(_list, format) \
    341	list_for_each_entry(format, &(_list)->fields, list)
    342
    343#define perf_hpp_list__for_each_format_safe(_list, format, tmp)	\
    344	list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
    345
    346#define perf_hpp_list__for_each_sort_list(_list, format) \
    347	list_for_each_entry(format, &(_list)->sorts, sort_list)
    348
    349#define perf_hpp_list__for_each_sort_list_safe(_list, format, tmp)	\
    350	list_for_each_entry_safe(format, tmp, &(_list)->sorts, sort_list)
    351
    352#define hists__for_each_format(hists, format) \
    353	perf_hpp_list__for_each_format((hists)->hpp_list, format)
    354
    355#define hists__for_each_sort_list(hists, format) \
    356	perf_hpp_list__for_each_sort_list((hists)->hpp_list, format)
    357
    358extern struct perf_hpp_fmt perf_hpp__format[];
    359
    360enum {
    361	/* Matches perf_hpp__format array. */
    362	PERF_HPP__OVERHEAD,
    363	PERF_HPP__OVERHEAD_SYS,
    364	PERF_HPP__OVERHEAD_US,
    365	PERF_HPP__OVERHEAD_GUEST_SYS,
    366	PERF_HPP__OVERHEAD_GUEST_US,
    367	PERF_HPP__OVERHEAD_ACC,
    368	PERF_HPP__SAMPLES,
    369	PERF_HPP__PERIOD,
    370
    371	PERF_HPP__MAX_INDEX
    372};
    373
    374void perf_hpp__init(void);
    375void perf_hpp__cancel_cumulate(void);
    376void perf_hpp__setup_output_field(struct perf_hpp_list *list);
    377void perf_hpp__reset_output_field(struct perf_hpp_list *list);
    378void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
    379int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
    380				  struct evlist *evlist);
    381
    382
    383bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
    384bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
    385bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
    386bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt);
    387bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt);
    388bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt);
    389bool perf_hpp__is_thread_entry(struct perf_hpp_fmt *fmt);
    390bool perf_hpp__is_comm_entry(struct perf_hpp_fmt *fmt);
    391bool perf_hpp__is_dso_entry(struct perf_hpp_fmt *fmt);
    392bool perf_hpp__is_sym_entry(struct perf_hpp_fmt *fmt);
    393
    394struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt);
    395
    396int hist_entry__filter(struct hist_entry *he, int type, const void *arg);
    397
    398static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
    399					 struct hists *hists)
    400{
    401	if (format->elide)
    402		return true;
    403
    404	if (perf_hpp__is_dynamic_entry(format) &&
    405	    !perf_hpp__defined_dynamic_entry(format, hists))
    406		return true;
    407
    408	return false;
    409}
    410
    411void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
    412void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
    413void perf_hpp__set_user_width(const char *width_list_str);
    414void hists__reset_column_width(struct hists *hists);
    415
    416typedef u64 (*hpp_field_fn)(struct hist_entry *he);
    417typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
    418typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
    419
    420int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    421	     struct hist_entry *he, hpp_field_fn get_field,
    422	     const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
    423int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
    424		 struct hist_entry *he, hpp_field_fn get_field,
    425		 const char *fmtstr, hpp_snprint_fn print_fn, bool fmt_percent);
    426
    427static inline void advance_hpp(struct perf_hpp *hpp, int inc)
    428{
    429	hpp->buf  += inc;
    430	hpp->size -= inc;
    431}
    432
    433static inline size_t perf_hpp__use_color(void)
    434{
    435	return !symbol_conf.field_sep;
    436}
    437
    438static inline size_t perf_hpp__color_overhead(void)
    439{
    440	return perf_hpp__use_color() ?
    441	       (COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
    442	       : 0;
    443}
    444
    445struct evlist;
    446
    447struct hist_browser_timer {
    448	void (*timer)(void *arg);
    449	void *arg;
    450	int refresh;
    451};
    452
    453struct annotation_options;
    454struct res_sample;
    455
    456enum rstype {
    457	A_NORMAL,
    458	A_ASM,
    459	A_SOURCE
    460};
    461
    462struct block_hist;
    463
    464#ifdef HAVE_SLANG_SUPPORT
    465#include "../ui/keysyms.h"
    466void attr_to_script(char *buf, struct perf_event_attr *attr);
    467
    468int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
    469			     struct hist_browser_timer *hbt,
    470			     struct annotation_options *annotation_opts);
    471
    472int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
    473			     struct hist_browser_timer *hbt,
    474			     struct annotation_options *annotation_opts);
    475
    476int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt,
    477			     float min_pcnt, struct perf_env *env, bool warn_lost_event,
    478			     struct annotation_options *annotation_options);
    479
    480int script_browse(const char *script_opt, struct evsel *evsel);
    481
    482void run_script(char *cmd);
    483int res_sample_browse(struct res_sample *res_samples, int num_res,
    484		      struct evsel *evsel, enum rstype rstype);
    485void res_sample_init(void);
    486
    487int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel,
    488			   float min_percent, struct perf_env *env,
    489			   struct annotation_options *annotation_opts);
    490#else
    491static inline
    492int evlist__tui_browse_hists(struct evlist *evlist __maybe_unused,
    493			     const char *help __maybe_unused,
    494			     struct hist_browser_timer *hbt __maybe_unused,
    495			     float min_pcnt __maybe_unused,
    496			     struct perf_env *env __maybe_unused,
    497			     bool warn_lost_event __maybe_unused,
    498			     struct annotation_options *annotation_options __maybe_unused)
    499{
    500	return 0;
    501}
    502static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
    503					   struct evsel *evsel __maybe_unused,
    504					   struct hist_browser_timer *hbt __maybe_unused,
    505					   struct annotation_options *annotation_options __maybe_unused)
    506{
    507	return 0;
    508}
    509
    510static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
    511					   struct evsel *evsel __maybe_unused,
    512					   struct hist_browser_timer *hbt __maybe_unused,
    513					   struct annotation_options *annotation_opts __maybe_unused)
    514{
    515	return 0;
    516}
    517
    518static inline int script_browse(const char *script_opt __maybe_unused,
    519				struct evsel *evsel __maybe_unused)
    520{
    521	return 0;
    522}
    523
    524static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused,
    525				    int num_res __maybe_unused,
    526				    struct evsel *evsel __maybe_unused,
    527				    enum rstype rstype __maybe_unused)
    528{
    529	return 0;
    530}
    531
    532static inline void res_sample_init(void) {}
    533
    534static inline int block_hists_tui_browse(struct block_hist *bh __maybe_unused,
    535					 struct evsel *evsel __maybe_unused,
    536					 float min_percent __maybe_unused,
    537					 struct perf_env *env __maybe_unused,
    538					 struct annotation_options *annotation_opts __maybe_unused)
    539{
    540	return 0;
    541}
    542
    543#define K_LEFT  -1000
    544#define K_RIGHT -2000
    545#define K_SWITCH_INPUT_DATA -3000
    546#define K_RELOAD -4000
    547#endif
    548
    549unsigned int hists__sort_list_width(struct hists *hists);
    550unsigned int hists__overhead_width(struct hists *hists);
    551
    552void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
    553			  struct perf_sample *sample, bool nonany_branch_mode,
    554			  u64 *total_cycles);
    555
    556struct option;
    557int parse_filter_percentage(const struct option *opt, const char *arg, int unset);
    558int perf_hist_config(const char *var, const char *value);
    559
    560void perf_hpp_list__init(struct perf_hpp_list *list);
    561
    562enum hierarchy_move_dir {
    563	HMD_NORMAL,
    564	HMD_FORCE_SIBLING,
    565	HMD_FORCE_CHILD,
    566};
    567
    568struct rb_node *rb_hierarchy_last(struct rb_node *node);
    569struct rb_node *__rb_hierarchy_next(struct rb_node *node,
    570				    enum hierarchy_move_dir hmd);
    571struct rb_node *rb_hierarchy_prev(struct rb_node *node);
    572
    573static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
    574{
    575	return __rb_hierarchy_next(node, HMD_NORMAL);
    576}
    577
    578#define HIERARCHY_INDENT  3
    579
    580bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
    581int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
    582int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
    583int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
    584			   struct perf_hpp_list *hpp_list);
    585int hists__fprintf_headers(struct hists *hists, FILE *fp);
    586int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool show_freq);
    587
    588static inline int hists__scnprintf_title(struct hists *hists, char *bf, size_t size)
    589{
    590	return __hists__scnprintf_title(hists, bf, size, true);
    591}
    592
    593#endif	/* __PERF_HIST_H */