/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_HIST_H
#define __PERF_HIST_H
#include <linux/rbtree.h>
#include <linux/types.h>
#include "callchain.h"
#include "color.h"
#include "events_stats.h"
#include "evsel.h"
#include "map_symbol.h"
#include "mutex.h"
#include "sample.h"
#include "spark.h"
#include "stat.h"
struct addr_location;
struct mem_info;
struct kvm_info;
struct branch_info;
struct branch_stack;
struct block_info;
struct ui_progress;
enum hist_filter {
HIST_FILTER__DSO,
HIST_FILTER__THREAD,
HIST_FILTER__PARENT,
HIST_FILTER__SYMBOL,
HIST_FILTER__GUEST,
HIST_FILTER__HOST,
HIST_FILTER__SOCKET,
HIST_FILTER__C2C,
};
enum hist_column {
HISTC_SYMBOL,
HISTC_TIME,
HISTC_DSO,
HISTC_THREAD,
HISTC_COMM,
HISTC_CGROUP_ID,
HISTC_CGROUP,
HISTC_PARENT,
HISTC_CPU,
HISTC_SOCKET,
HISTC_SRCLINE,
HISTC_SRCFILE,
HISTC_MISPREDICT,
HISTC_IN_TX,
HISTC_ABORT,
HISTC_SYMBOL_FROM,
HISTC_SYMBOL_TO,
HISTC_DSO_FROM,
HISTC_DSO_TO,
HISTC_LOCAL_WEIGHT,
HISTC_GLOBAL_WEIGHT,
HISTC_CODE_PAGE_SIZE,
HISTC_MEM_DADDR_SYMBOL,
HISTC_MEM_DADDR_DSO,
HISTC_MEM_PHYS_DADDR,
HISTC_MEM_DATA_PAGE_SIZE,
HISTC_MEM_LOCKED,
HISTC_MEM_TLB,
HISTC_MEM_LVL,
HISTC_MEM_SNOOP,
HISTC_MEM_DCACHELINE,
HISTC_MEM_IADDR_SYMBOL,
HISTC_TRANSACTION,
HISTC_CYCLES,
HISTC_SRCLINE_FROM,
HISTC_SRCLINE_TO,
HISTC_TRACE,
HISTC_SYM_SIZE,
HISTC_DSO_SIZE,
HISTC_SYMBOL_IPC,
HISTC_MEM_BLOCKED,
HISTC_LOCAL_INS_LAT,
HISTC_GLOBAL_INS_LAT,
HISTC_LOCAL_P_STAGE_CYC,
HISTC_GLOBAL_P_STAGE_CYC,
HISTC_ADDR_FROM,
HISTC_ADDR_TO,
HISTC_ADDR,
HISTC_SIMD,
HISTC_TYPE,
HISTC_TYPE_OFFSET,
HISTC_SYMBOL_OFFSET,
HISTC_TYPE_CACHELINE,
HISTC_NR_COLS, /* Last entry */
};
struct thread;
struct dso;
struct hists {
struct rb_root_cached entries_in_array[2];
struct rb_root_cached *entries_in;
struct rb_root_cached entries;
struct rb_root_cached entries_collapsed;
u64 nr_entries;
u64 nr_non_filtered_entries;
u64 callchain_period;
u64 callchain_non_filtered_period;
struct thread *thread_filter;
const struct dso *dso_filter;
const char *uid_filter_str;
const char *symbol_filter_str;
struct mutex lock;
struct hists_stats stats;
u64 event_stream;
u16 col_len[HISTC_NR_COLS];
bool has_callchains;
int socket_filter;
struct perf_hpp_list *hpp_list;
struct list_head hpp_formats;
int nr_hpp_node;
};
#define hists__has(__h, __f) (__h)->hpp_list->__f
struct hist_entry_iter;
struct hist_iter_ops {
int (*prepare_entry)(struct hist_entry_iter *, struct addr_location *);
int (*add_single_entry)(struct hist_entry_iter *, struct addr_location *);
int (*next_entry)(struct hist_entry_iter *, struct addr_location *);
int (*add_next_entry)(struct hist_entry_iter *, struct addr_location *);
int (*finish_entry)(struct hist_entry_iter *, struct addr_location *);
};
struct hist_entry_iter {
int total;
int curr;
struct evsel *evsel;
struct perf_sample *sample;
struct hist_entry *he;
struct symbol *parent;
struct mem_info *mi;
struct branch_info *bi;
struct hist_entry **he_cache;
const struct hist_iter_ops *ops;
/* user-defined callback function (optional) */
int (*add_entry_cb)(struct hist_entry_iter *iter,
struct addr_location *al, bool single, void *arg);
bool hide_unresolved;
};
extern const struct hist_iter_ops hist_iter_normal;
extern const struct hist_iter_ops hist_iter_branch;
extern const struct hist_iter_ops hist_iter_mem;
extern const struct hist_iter_ops hist_iter_cumulative;
struct res_sample {
u64 time;
int cpu;
int tid;
};
struct he_stat {
u64 period;
u64 period_sys;
u64 period_us;
u64 period_guest_sys;
u64 period_guest_us;
u64 weight1;
u64 weight2;
u64 weight3;
u32 nr_events;
};
struct namespace_id {
u64 dev;
u64 ino;
};
struct hist_entry_diff {
bool computed;
union {
/* PERF_HPP__DELTA */
double period_ratio_delta;
/* PERF_HPP__RATIO */
double period_ratio;
/* HISTC_WEIGHTED_DIFF */
s64 wdiff;
/* PERF_HPP_DIFF__CYCLES */
s64 cycles;
};
struct stats stats;
unsigned long svals[NUM_SPARKS];
};
struct hist_entry_ops {
void *(*new)(size_t size);
void (*free)(void *ptr);
};
/**
* struct hist_entry - histogram entry
*
* @row_offset - offset from the first callchain expanded to appear on screen
* @nr_rows - rows expanded in callchain, recalculated on folding/unfolding
*/
struct hist_entry {
struct rb_node rb_node_in;
struct rb_node rb_node;
union {
struct list_head node;
struct list_head head;
} pairs;
struct he_stat stat;
struct he_stat *stat_acc;
struct map_symbol ms;
struct thread *thread;
struct comm *comm;
struct namespace_id cgroup_id;
u64 cgroup;
u64 ip;
u64 transaction;
s32 socket;
s32 cpu;
u64 code_page_size;
u64 weight;
u64 ins_lat;
u64 p_stage_cyc;
u8 cpumode;
u8 depth;
int mem_type_off;
struct simd_flags simd_flags;
/* We are added by hists__add_dummy_entry. */
bool dummy;
bool leaf;
char level;
u8 filtered;
u16 callchain_size;
union {
/*
* Since perf diff only supports the stdio output, TUI
* fields are only accessed from perf report (or perf
* top). So make it a union to reduce memory usage.
*/
struct hist_entry_diff diff;
struct /* for TUI */ {
u16 row_offset;
u16 nr_rows;
bool init_have_children;
bool unfolded;
bool has_children;
bool has_no_entry;
};
};
char *srcline;
char *srcfile;
struct symbol *parent;
struct branch_info *branch_info;
long time;
struct hists *hists;
struct mem_info *mem_info;
struct block_info *block_info;
struct kvm_info *kvm_info;
void *raw_data;
u32 raw_size;
int num_res;
struct res_sample *res_samples;
void *trace_output;
struct perf_hpp_list *hpp_list;
struct hist_entry *parent_he;
struct hist_entry_ops *ops;
struct annotated_data_type *mem_type;
union {
/* this is for hierarchical entry structure */
struct {
struct rb_root_cached hroot_in;
struct rb_root_cached hroot_out;
}; /* non-leaf entries */
struct rb_root sorted_chain; /* leaf entry has callchains */
};
struct callchain_root callchain[0]; /* must be last member */
};
static __pure inline bool hist_entry__has_callchains(struct hist_entry *he)
{
return he->callchain_size != 0;
}
static inline bool hist_entry__has_pairs(struct hist_entry *he)
{
return !list_empty(&he->pairs.node);
}
static inline struct hist_entry *hist_entry__next_pair(struct hist_entry *he)
{
if (hist_entry__has_pairs(he))
return list_entry(he->pairs.node.next, struct hist_entry, pairs.node);
return NULL;
}
static inline void hist_entry__add_pair(struct hist_entry *pair,
struct hist_entry *he)
{
list_add_tail(&pair->pairs.node, &he->pairs.head);
}
struct hist_entry *hists__add_entry(struct hists *hists,
struct addr_location *al,
struct symbol *parent,
struct branch_info *bi,
struct mem_info *mi,
struct kvm_info *ki,
struct perf_sample *sample,
bool sample_self);
struct hist_entry *hists__add_entry_ops(struct hists *hists,
struct hist_entry_ops *ops,
struct addr_location *al,
struct symbol *sym_parent,
struct branch_info *bi,
struct mem_info *mi,
struct kvm_info *ki,
struct perf_sample *sample,
bool sample_self);
struct hist_entry *hists__add_entry_block(struct hists *hists,
struct addr_location *al,
struct block_info *bi);
int hist_entry_iter__add(struct hist_entry_iter *iter, struct addr_location *al,
int max_stack_depth, void *arg);
struct perf_hpp;
struct perf_hpp_fmt;
int64_t hist_entry__cmp(struct hist_entry *left, struct hist_entry *right);
int64_t hist_entry__collapse(struct hist_entry *left, struct hist_entry *right);
int hist_entry__transaction_len(void);
int hist_entry__sort_snprintf(struct hist_entry *he, char *bf, size_t size,
struct hists *hists);
int hist_entry__snprintf_alignment(struct hist_entry *he, struct perf_hpp *hpp,
struct perf_hpp_fmt *fmt, int printed);
int hist_entry__sym_snprintf(struct hist_entry *he, char *bf, size_t size,
unsigned int width);
void hist_entry__delete(struct hist_entry *he);
typedef int (*hists__resort_cb_t)(struct hist_entry *he, void *arg);
void evsel__output_resort_cb(struct evsel *evsel, struct ui_progress *prog,
hists__resort_cb_t cb, void *cb_arg);
void evsel__output_resort(struct evsel *evsel, struct ui_progress *prog);
void hists__output_resort(struct hists *hists, struct ui_progress *prog);
void hists__output_resort_cb(struct hists *hists, struct ui_progress *prog,
hists__resort_cb_t cb);
int hists__collapse_resort(struct hists *hists, struct ui_progress *prog);
void hists__decay_entries(struct hists *hists, bool zap_user, bool zap_kernel);
void hists__delete_entries(struct hists *hists);
void hists__output_recalc_col_len(struct hists *hists, int max_rows);
struct hist_entry *hists__get_entry(struct hists *hists, int idx);
u64 hists__total_period(struct hists *hists);
void hists__reset_stats(struct hists *hists);
void hists__inc_stats(struct hists *hists, struct hist_entry *h);
void hists__inc_nr_events(struct hists *hists);
void hists__inc_nr_samples(struct hists *hists, bool filtered);
void hists__inc_nr_lost_samples(struct hists *hists, u32 lost);
void hists__inc_nr_dropped_samples(struct hists *hists, u32 lost);
size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
int max_cols, float min_pcnt, FILE *fp,
bool ignore_callchains);
size_t evlist__fprintf_nr_events(struct evlist *evlist, FILE *fp);
void hists__filter_by_dso(struct hists *hists);
void hists__filter_by_thread(struct hists *hists);
void hists__filter_by_symbol(struct hists *hists);
void hists__filter_by_socket(struct hists *hists);
static inline bool hists__has_filter(struct hists *hists)
{
return hists->thread_filter || hists->dso_filter ||
hists->symbol_filter_str || (hists->socket_filter > -1);
}
u16 hists__col_len(struct hists *hists, enum hist_column col);
void hists__set_col_len(struct hists *hists, enum hist_column col, u16 len);
bool hists__new_col_len(struct hists *hists, enum hist_column col, u16 len);
void hists__reset_col_len(struct hists *hists);
void hists__calc_col_len(struct hists *hists, struct hist_entry *he);
void hists__match(struct hists *leader, struct hists *other);
int hists__link(struct hists *leader, struct hists *other);
int hists__unlink(struct hists *hists);
static inline float hist_entry__get_percent_limit(struct hist_entry *he)
{
u64 period = he->stat.period;
u64 total_period = hists__total_period(he->hists);
if (unlikely(total_period == 0))
return 0;
if (symbol_conf.cumulate_callchain)
period = he->stat_acc->period;
return period * 100.0 / total_period;
}
struct hists_evsel {
struct evsel evsel;
struct hists hists;
};
static inline struct evsel *hists_to_evsel(struct hists *hists)
{
struct hists_evsel *hevsel = container_of(hists, struct hists_evsel, hists);
return &hevsel->evsel;
}
static inline struct hists *evsel__hists(struct evsel *evsel)
{
struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
return &hevsel->hists;
}
static __pure inline bool hists__has_callchains(struct hists *hists)
{
return hists->has_callchains;
}
int hists__init(void);
int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);
struct rb_root_cached *hists__get_rotate_entries_in(struct hists *hists);
struct perf_hpp {
char *buf;
size_t size;
const char *sep;
void *ptr;
bool skip;
};
struct perf_hpp_fmt {
const char *name;
int (*header)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists, int line, int *span);
int (*width)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hists *hists);
void (*init)(struct perf_hpp_fmt *fmt, struct hist_entry *he);
int (*color)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he);
int (*entry)(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he);
int64_t (*cmp)(struct perf_hpp_fmt *fmt,
struct hist_entry *a, struct hist_entry *b);
int64_t (*collapse)(struct perf_hpp_fmt *fmt,
struct hist_entry *a, struct hist_entry *b);
int64_t (*sort)(struct perf_hpp_fmt *fmt,
struct hist_entry *a, struct hist_entry *b);
bool (*equal)(struct perf_hpp_fmt *a, struct perf_hpp_fmt *b);
void (*free)(struct perf_hpp_fmt *fmt);
struct list_head list;
struct list_head sort_list;
bool elide;
int len;
int user_len;
int idx;
int level;
};
struct perf_hpp_list {
struct list_head fields;
struct list_head sorts;
int nr_header_lines;
int need_collapse;
int parent;
int sym;
int dso;
int socket;
int thread;
int comm;
};
extern struct perf_hpp_list perf_hpp_list;
struct perf_hpp_list_node {
struct list_head list;
struct perf_hpp_list hpp;
int level;
bool skip;
};
void perf_hpp_list__column_register(struct perf_hpp_list *list,
struct perf_hpp_fmt *format);
void perf_hpp_list__register_sort_field(struct perf_hpp_list *list,
struct perf_hpp_fmt *format);
void perf_hpp_list__prepend_sort_field(struct perf_hpp_list *list,
struct perf_hpp_fmt *format);
static inline void perf_hpp__column_register(struct perf_hpp_fmt *format)
{
perf_hpp_list__column_register(&perf_hpp_list, format);
}
static inline void perf_hpp__register_sort_field(struct perf_hpp_fmt *format)
{
perf_hpp_list__register_sort_field(&perf_hpp_list, format);
}
static inline void perf_hpp__prepend_sort_field(struct perf_hpp_fmt *format)
{
perf_hpp_list__prepend_sort_field(&perf_hpp_list, format);
}
#define perf_hpp_list__for_each_format(_list, format) \
list_for_each_entry(format, &(_list)->fields, list)
#define perf_hpp_list__for_each_format_safe(_list, format, tmp) \
list_for_each_entry_safe(format, tmp, &(_list)->fields, list)
#define perf_hpp_list__for_each_sort_list(_list, format) \
list_for_each_entry(format, &(_list)->sorts, sort_list)
#define perf_hpp_list__for_each_sort_list_safe(_list, format, tmp) \
list_for_each_entry_safe(format, tmp, &(_list)->sorts, sort_list)
#define hists__for_each_format(hists, format) \
perf_hpp_list__for_each_format((hists)->hpp_list, format)
#define hists__for_each_sort_list(hists, format) \
perf_hpp_list__for_each_sort_list((hists)->hpp_list, format)
extern struct perf_hpp_fmt perf_hpp__format[];
enum {
/* Matches perf_hpp__format array. */
PERF_HPP__OVERHEAD,
PERF_HPP__OVERHEAD_SYS,
PERF_HPP__OVERHEAD_US,
PERF_HPP__OVERHEAD_GUEST_SYS,
PERF_HPP__OVERHEAD_GUEST_US,
PERF_HPP__OVERHEAD_ACC,
PERF_HPP__SAMPLES,
PERF_HPP__PERIOD,
PERF_HPP__WEIGHT1,
PERF_HPP__WEIGHT2,
PERF_HPP__WEIGHT3,
PERF_HPP__MAX_INDEX
};
void perf_hpp__init(void);
void perf_hpp__cancel_cumulate(void);
void perf_hpp__setup_output_field(struct perf_hpp_list *list);
void perf_hpp__reset_output_field(struct perf_hpp_list *list);
void perf_hpp__append_sort_keys(struct perf_hpp_list *list);
int perf_hpp__setup_hists_formats(struct perf_hpp_list *list,
struct evlist *evlist);
bool perf_hpp__is_sort_entry(struct perf_hpp_fmt *format);
bool perf_hpp__is_dynamic_entry(struct perf_hpp_fmt *format);
bool perf_hpp__defined_dynamic_entry(struct perf_hpp_fmt *fmt, struct hists *hists);
bool perf_hpp__is_trace_entry(struct perf_hpp_fmt *fmt);
bool perf_hpp__is_srcline_entry(struct perf_hpp_fmt *fmt);
bool perf_hpp__is_srcfile_entry(struct perf_hpp_fmt *fmt);
bool perf_hpp__is_thread_entry(struct perf_hpp_fmt *fmt);
bool perf_hpp__is_comm_entry(struct perf_hpp_fmt *fmt);
bool perf_hpp__is_dso_entry(struct perf_hpp_fmt *fmt);
bool perf_hpp__is_sym_entry(struct perf_hpp_fmt *fmt);
struct perf_hpp_fmt *perf_hpp_fmt__dup(struct perf_hpp_fmt *fmt);
int hist_entry__filter(struct hist_entry *he, int type, const void *arg);
static inline bool perf_hpp__should_skip(struct perf_hpp_fmt *format,
struct hists *hists)
{
if (format->elide)
return true;
if (perf_hpp__is_dynamic_entry(format) &&
!perf_hpp__defined_dynamic_entry(format, hists))
return true;
return false;
}
void perf_hpp__reset_width(struct perf_hpp_fmt *fmt, struct hists *hists);
void perf_hpp__reset_sort_width(struct perf_hpp_fmt *fmt, struct hists *hists);
void perf_hpp__set_user_width(const char *width_list_str);
void hists__reset_column_width(struct hists *hists);
enum perf_hpp_fmt_type {
PERF_HPP_FMT_TYPE__RAW,
PERF_HPP_FMT_TYPE__PERCENT,
PERF_HPP_FMT_TYPE__AVERAGE,
};
typedef u64 (*hpp_field_fn)(struct hist_entry *he);
typedef int (*hpp_callback_fn)(struct perf_hpp *hpp, bool front);
typedef int (*hpp_snprint_fn)(struct perf_hpp *hpp, const char *fmt, ...);
int hpp__fmt(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he, hpp_field_fn get_field,
const char *fmtstr, hpp_snprint_fn print_fn,
enum perf_hpp_fmt_type fmtype);
int hpp__fmt_acc(struct perf_hpp_fmt *fmt, struct perf_hpp *hpp,
struct hist_entry *he, hpp_field_fn get_field,
const char *fmtstr, hpp_snprint_fn print_fn,
enum perf_hpp_fmt_type fmtype);
static inline void advance_hpp(struct perf_hpp *hpp, int inc)
{
hpp->buf += inc;
hpp->size -= inc;
}
static inline size_t perf_hpp__use_color(void)
{
return !symbol_conf.field_sep;
}
static inline size_t perf_hpp__color_overhead(void)
{
return perf_hpp__use_color() ?
(COLOR_MAXLEN + sizeof(PERF_COLOR_RESET)) * PERF_HPP__MAX_INDEX
: 0;
}
struct evlist;
struct hist_browser_timer {
void (*timer)(void *arg);
void *arg;
int refresh;
};
enum rstype {
A_NORMAL,
A_ASM,
A_SOURCE
};
struct block_hist {
struct hists block_hists;
struct perf_hpp_list block_list;
struct perf_hpp_fmt block_fmt;
int block_idx;
bool valid;
struct hist_entry he;
};
#ifdef HAVE_SLANG_SUPPORT
#include "../ui/keysyms.h"
void attr_to_script(char *buf, struct perf_event_attr *attr);
int map_symbol__tui_annotate(struct map_symbol *ms, struct evsel *evsel,
struct hist_browser_timer *hbt);
int hist_entry__tui_annotate(struct hist_entry *he, struct evsel *evsel,
struct hist_browser_timer *hbt);
int evlist__tui_browse_hists(struct evlist *evlist, const char *help, struct hist_browser_timer *hbt,
float min_pcnt, struct perf_env *env, bool warn_lost_event);
int script_browse(const char *script_opt, struct evsel *evsel);
void run_script(char *cmd);
int res_sample_browse(struct res_sample *res_samples, int num_res,
struct evsel *evsel, enum rstype rstype);
void res_sample_init(void);
int block_hists_tui_browse(struct block_hist *bh, struct evsel *evsel,
float min_percent, struct perf_env *env);
#else
static inline
int evlist__tui_browse_hists(struct evlist *evlist __maybe_unused,
const char *help __maybe_unused,
struct hist_browser_timer *hbt __maybe_unused,
float min_pcnt __maybe_unused,
struct perf_env *env __maybe_unused,
bool warn_lost_event __maybe_unused)
{
return 0;
}
static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
struct evsel *evsel __maybe_unused,
struct hist_browser_timer *hbt __maybe_unused)
{
return 0;
}
static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
struct evsel *evsel __maybe_unused,
struct hist_browser_timer *hbt __maybe_unused)
{
return 0;
}
static inline int script_browse(const char *script_opt __maybe_unused,
struct evsel *evsel __maybe_unused)
{
return 0;
}
static inline int res_sample_browse(struct res_sample *res_samples __maybe_unused,
int num_res __maybe_unused,
struct evsel *evsel __maybe_unused,
enum rstype rstype __maybe_unused)
{
return 0;
}
static inline void res_sample_init(void) {}
static inline int block_hists_tui_browse(struct block_hist *bh __maybe_unused,
struct evsel *evsel __maybe_unused,
float min_percent __maybe_unused,
struct perf_env *env __maybe_unused)
{
return 0;
}
#define K_LEFT -1000
#define K_RIGHT -2000
#define K_SWITCH_INPUT_DATA -3000
#define K_RELOAD -4000
#endif
unsigned int hists__sort_list_width(struct hists *hists);
unsigned int hists__overhead_width(struct hists *hists);
void hist__account_cycles(struct branch_stack *bs, struct addr_location *al,
struct perf_sample *sample, bool nonany_branch_mode,
u64 *total_cycles, struct evsel *evsel);
struct option;
int parse_filter_percentage(const struct option *opt, const char *arg, int unset);
int perf_hist_config(const char *var, const char *value);
void perf_hpp_list__init(struct perf_hpp_list *list);
enum hierarchy_move_dir {
HMD_NORMAL,
HMD_FORCE_SIBLING,
HMD_FORCE_CHILD,
};
struct rb_node *rb_hierarchy_last(struct rb_node *node);
struct rb_node *__rb_hierarchy_next(struct rb_node *node,
enum hierarchy_move_dir hmd);
struct rb_node *rb_hierarchy_prev(struct rb_node *node);
static inline struct rb_node *rb_hierarchy_next(struct rb_node *node)
{
return __rb_hierarchy_next(node, HMD_NORMAL);
}
#define HIERARCHY_INDENT 3
bool hist_entry__has_hierarchy_children(struct hist_entry *he, float limit);
int hpp_color_scnprintf(struct perf_hpp *hpp, const char *fmt, ...);
int __hpp__slsmg_color_printf(struct perf_hpp *hpp, const char *fmt, ...);
int __hist_entry__snprintf(struct hist_entry *he, struct perf_hpp *hpp,
struct perf_hpp_list *hpp_list);
int hists__fprintf_headers(struct hists *hists, FILE *fp);
int __hists__scnprintf_title(struct hists *hists, char *bf, size_t size, bool show_freq);
static inline int hists__scnprintf_title(struct hists *hists, char *bf, size_t size)
{
return __hists__scnprintf_title(hists, bf, size, true);
}
#endif /* __PERF_HIST_H */
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