tools/perf/util/expr.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef PARSE_CTX_H
   3 #define PARSE_CTX_H 1
   4
   5 struct hashmap;
   6 struct metric_ref;
   7
   8 struct expr_scanner_ctx {
   9         char *user_requested_cpu_list;
  10         int runtime;
  11         bool system_wide;
  12         bool is_test;
  13 };
  14
  15 struct expr_parse_ctx {
  16         struct hashmap  *ids;
  17         struct expr_scanner_ctx sctx;
  18 };
  19
  20 struct expr_id_data;
  21
  22 struct hashmap *ids__new(void);
  23 void ids__free(struct hashmap *ids);
  24 int ids__insert(struct hashmap *ids, const char *id);
  25 /*
  26  * Union two sets of ids (hashmaps) and construct a third, freeing ids1 and
  27  * ids2.
  28  */
  29 struct hashmap *ids__union(struct hashmap *ids1, struct hashmap *ids2);
  30
  31 struct expr_parse_ctx *expr__ctx_new(void);
  32 void expr__ctx_clear(struct expr_parse_ctx *ctx);
  33 void expr__ctx_free(struct expr_parse_ctx *ctx);
  34
  35 void expr__del_id(struct expr_parse_ctx *ctx, const char *id);
  36 int expr__add_id(struct expr_parse_ctx *ctx, const char *id);
  37 int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val);
  38 int expr__add_id_val_source_count(struct expr_parse_ctx *ctx, const char *id,
  39                                 double val, int source_count);
  40 int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref);
  41 int expr__get_id(struct expr_parse_ctx *ctx, const char *id,
  42                  struct expr_id_data **data);
  43 bool expr__subset_of_ids(struct expr_parse_ctx *haystack,
  44                          struct expr_parse_ctx *needles);
  45 int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id,
  46                      struct expr_id_data **datap);
  47
  48 int expr__parse(double *final_val, struct expr_parse_ctx *ctx,
  49                 const char *expr);
  50
  51 int expr__find_ids(const char *expr, const char *one,
  52                    struct expr_parse_ctx *ids);
  53
  54 double expr_id_data__value(const struct expr_id_data *data);
  55 double expr_id_data__source_count(const struct expr_id_data *data);
  56 double expr__get_literal(const char *literal, const struct expr_scanner_ctx *ctx);
  57 double expr__has_event(const struct expr_parse_ctx *ctx, bool compute_ids, const char *id);
  58 double expr__strcmp_cpuid_str(const struct expr_parse_ctx *ctx, bool compute_ids, const char *id);
  59
  60 #endif