From 6778948f9de86c3cfaf36725a7c87dcff9ba247f Mon Sep 17 00:00:00 2001
From: hc <hc@nodka.com>
Date: Mon, 11 Dec 2023 08:20:59 +0000
Subject: [PATCH] kernel_5.10 no rt
---
kernel/tools/perf/util/expr.h | 64 ++++++++++++++++++++++++-------
1 files changed, 49 insertions(+), 15 deletions(-)
diff --git a/kernel/tools/perf/util/expr.h b/kernel/tools/perf/util/expr.h
index 0461608..fc2b5e8 100644
--- a/kernel/tools/perf/util/expr.h
+++ b/kernel/tools/perf/util/expr.h
@@ -2,25 +2,59 @@
#ifndef PARSE_CTX_H
#define PARSE_CTX_H 1
-#define EXPR_MAX_OTHER 15
-#define MAX_PARSE_ID EXPR_MAX_OTHER
+// 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 parse_id {
- const char *name;
- double val;
+struct metric_ref;
+
+struct expr_id {
+ char *id;
+ struct expr_id *parent;
};
-struct parse_ctx {
- int num_ids;
- struct parse_id ids[MAX_PARSE_ID];
+struct expr_parse_ctx {
+ struct hashmap ids;
+ struct expr_id *parent;
};
-void expr__ctx_init(struct parse_ctx *ctx);
-void expr__add_id(struct parse_ctx *ctx, const char *id, double val);
-#ifndef IN_EXPR_Y
-int expr__parse(double *final_val, struct parse_ctx *ctx, const char **pp);
-#endif
-int expr__find_other(const char *p, const char *one, const char ***other,
- int *num_other);
+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
--
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