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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-27 10:05:51 +0000 |
commit | 5d1646d90e1f2cceb9f0828f4b28318cd0ec7744 (patch) | |
tree | a94efe259b9009378be6d90eb30d2b019d95c194 /tools/perf/util/expr.h | |
parent | Initial commit. (diff) | |
download | linux-upstream.tar.xz linux-upstream.zip |
Adding upstream version 5.10.209.upstream/5.10.209upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'tools/perf/util/expr.h')
-rw-r--r-- | tools/perf/util/expr.h | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/tools/perf/util/expr.h b/tools/perf/util/expr.h new file mode 100644 index 000000000..fc2b5e824 --- /dev/null +++ b/tools/perf/util/expr.h @@ -0,0 +1,60 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +#ifndef PARSE_CTX_H +#define PARSE_CTX_H 1 + +// There are fixes that need to land upstream before we can use libbpf's headers, +// for now use our copy uncoditionally, since the data structures at this point +// are exactly the same, no problem. +//#ifdef HAVE_LIBBPF_SUPPORT +//#include <bpf/hashmap.h> +//#else +#include "util/hashmap.h" +//#endif + +struct metric_ref; + +struct expr_id { + char *id; + struct expr_id *parent; +}; + +struct expr_parse_ctx { + struct hashmap ids; + struct expr_id *parent; +}; + +struct expr_id_data { + union { + double val; + struct { + const char *metric_name; + const char *metric_expr; + bool counted; + } ref; + struct expr_id *parent; + }; + + bool is_ref; +}; + +struct expr_scanner_ctx { + int start_token; + int runtime; +}; + +void expr__ctx_init(struct expr_parse_ctx *ctx); +void expr__ctx_clear(struct expr_parse_ctx *ctx); +void expr__del_id(struct expr_parse_ctx *ctx, const char *id); +int expr__add_id(struct expr_parse_ctx *ctx, const char *id); +int expr__add_id_val(struct expr_parse_ctx *ctx, const char *id, double val); +int expr__add_ref(struct expr_parse_ctx *ctx, struct metric_ref *ref); +int expr__get_id(struct expr_parse_ctx *ctx, const char *id, + struct expr_id_data **data); +int expr__resolve_id(struct expr_parse_ctx *ctx, const char *id, + struct expr_id_data **datap); +int expr__parse(double *final_val, struct expr_parse_ctx *ctx, + const char *expr, int runtime); +int expr__find_other(const char *expr, const char *one, + struct expr_parse_ctx *ids, int runtime); + +#endif |