hist.h

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/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __PERF_HIST_H
#define __PERF_HIST_H

#include <linux/types.h>
#include <pthread.h>
#include "callchain.h"
#include "evsel.h"
#include "header.h"
#include "color.h"
#include "ui/progress.h"

struct hist_entry;
struct hist_entry_ops;
struct addr_location;
struct symbol;

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_DSO,
    HISTC_THREAD,
    HISTC_COMM,
    HISTC_CGROUP_ID,
    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_MEM_DADDR_SYMBOL,
    HISTC_MEM_DADDR_DSO,
    HISTC_MEM_PHYS_DADDR,
    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_NR_COLS, /* Last entry */
};

struct thread;
struct dso;

struct hists {
    struct rb_root      entries_in_array[2];
    struct rb_root      *entries_in;
    struct rb_root      entries;
    struct rb_root      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;
    pthread_mutex_t     lock;
    struct events_stats stats;
    u64         event_stream;
    u16         col_len[HISTC_NR_COLS];
    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;

    bool hide_unresolved;

    struct perf_evsel *evsel;
    struct perf_sample *sample;
    struct hist_entry *he;
    struct symbol *parent;
    void *priv;

    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);
};

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 hist_entry *hists__add_entry(struct hists *hists,
                    struct addr_location *al,
                    struct symbol *parent,
                    struct branch_info *bi,
                    struct mem_info *mi,
                    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 perf_sample *sample,
                    bool sample_self);

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);
void hist_entry__delete(struct hist_entry *he);

typedef int (*hists__resort_cb_t)(struct hist_entry *he);

void perf_evsel__output_resort(struct perf_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);

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, u32 type);
void hists__inc_nr_samples(struct hists *hists, bool filtered);
void events_stats__inc(struct events_stats *stats, u32 type);
size_t events_stats__fprintf(struct events_stats *stats, FILE *fp);

size_t hists__fprintf(struct hists *hists, bool show_header, int max_rows,
              int max_cols, float min_pcnt, FILE *fp,
              bool use_callchain);
size_t perf_evlist__fprintf_nr_events(struct perf_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);

struct hists_evsel {
    struct perf_evsel evsel;
    struct hists      hists;
};

static inline struct perf_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 perf_evsel *evsel)
{
    struct hists_evsel *hevsel = (struct hists_evsel *)evsel;
    return &hevsel->hists;
}

static __pure inline bool hists__has_callchains(struct hists *hists)
{
    const struct perf_evsel *evsel = hists_to_evsel(hists);
    return evsel__has_callchain(evsel);
}

int hists__init(void);
int __hists__init(struct hists *hists, struct perf_hpp_list *hpp_list);

struct rb_root *hists__get_rotate_entries_in(struct hists *hists);

struct perf_hpp {
    char *buf;
    size_t size;
    const char *sep;
    void *ptr;
};

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);
    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, fmt)

#define hists__for_each_sort_list(hists, format) \
    perf_hpp_list__for_each_sort_list((hists)->hpp_list, fmt)

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__MAX_INDEX
};

void perf_hpp__init(void);
void perf_hpp__column_unregister(struct perf_hpp_fmt *format);
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 perf_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);

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, bool fmt_percent);
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, bool fmt_percent);

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 perf_evlist;

struct hist_browser_timer {
    void (*timer)(void *arg);
    void *arg;
    int refresh;
};

struct annotation_options;

#ifdef HAVE_SLANG_SUPPORT
#include "../ui/keysyms.h"
int map_symbol__tui_annotate(struct map_symbol *ms, struct perf_evsel *evsel,
                 struct hist_browser_timer *hbt,
                 struct annotation_options *annotation_opts);

int hist_entry__tui_annotate(struct hist_entry *he, struct perf_evsel *evsel,
                 struct hist_browser_timer *hbt,
                 struct annotation_options *annotation_opts);

int perf_evlist__tui_browse_hists(struct perf_evlist *evlist, const char *help,
                  struct hist_browser_timer *hbt,
                  float min_pcnt,
                  struct perf_env *env,
                  bool warn_lost_event,
                  struct annotation_options *annotation_options);
int script_browse(const char *script_opt);
#else
static inline
int perf_evlist__tui_browse_hists(struct perf_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,
                  struct annotation_options *annotation_options __maybe_unused)
{
    return 0;
}
static inline int map_symbol__tui_annotate(struct map_symbol *ms __maybe_unused,
                       struct perf_evsel *evsel __maybe_unused,
                       struct hist_browser_timer *hbt __maybe_unused,
                       struct annotation_options *annotation_options __maybe_unused)
{
    return 0;
}

static inline int hist_entry__tui_annotate(struct hist_entry *he __maybe_unused,
                       struct perf_evsel *evsel __maybe_unused,
                       struct hist_browser_timer *hbt __maybe_unused,
                       struct annotation_options *annotation_opts __maybe_unused)
{
    return 0;
}

static inline int script_browse(const char *script_opt __maybe_unused)
{
    return 0;
}

#define K_LEFT  -1000
#define K_RIGHT -2000
#define K_SWITCH_INPUT_DATA -3000
#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);

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 */