disable cpu isolcpus

hc

2023-12-09 958e46acc8e900e8569dd467c1af9b8d2d019394

 kernel/tools/perf/util/callchain.h
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@@ -2,13 +2,18 @@
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 #ifndef __PERF_CALLCHAIN_H
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 #define __PERF_CALLCHAIN_H
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-#include "../perf.h"
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 #include <linux/list.h>
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 #include <linux/rbtree.h>
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-#include "event.h"
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-#include "map.h"
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-#include "symbol.h"
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+#include "map_symbol.h"
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 #include "branch.h"
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+
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+struct addr_location;
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+struct evsel;
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+struct ip_callchain;
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+struct map;
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+struct perf_sample;
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+struct thread;
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+struct hists;
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 #define HELP_PAD "\t\t\t\t"
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@@ -137,15 +142,22 @@
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  */
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 struct callchain_cursor_node {
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 	u64				ip;
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-	struct map			*map;
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-	struct symbol			*sym;
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+	struct map_symbol		ms;
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 	const char			*srcline;
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+	/* Indicate valid cursor node for LBR stitch */
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+	bool				valid;
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+
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 	bool				branch;
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 	struct branch_flags		branch_flags;
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 	u64				branch_from;
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 	int				nr_loop_iter;
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 	u64				iter_cycles;
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 	struct callchain_cursor_node	*next;
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+};
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+
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+struct stitch_list {
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+	struct list_head		node;
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+	struct callchain_cursor_node	cursor;
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 };
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 struct callchain_cursor {
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@@ -188,23 +200,10 @@
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 int callchain_merge(struct callchain_cursor *cursor,
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 		    struct callchain_root *dst, struct callchain_root *src);
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-/*
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- * Initialize a cursor before adding entries inside, but keep
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- * the previously allocated entries as a cache.
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- */
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-static inline void callchain_cursor_reset(struct callchain_cursor *cursor)
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-{
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-	struct callchain_cursor_node *node;
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-
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-	cursor->nr = 0;
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-	cursor->last = &cursor->first;
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-
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-	for (node = cursor->first; node != NULL; node = node->next)
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-		map__zput(node->map);
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-}
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+void callchain_cursor_reset(struct callchain_cursor *cursor);
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 int callchain_cursor_append(struct callchain_cursor *cursor, u64 ip,
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-			    struct map *map, struct symbol *sym,
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+			    struct map_symbol *ms,
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 			    bool branch, struct branch_flags *flags,
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 			    int nr_loop_iter, u64 iter_cycles, u64 branch_from,
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 			    const char *srcline);
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@@ -249,7 +248,7 @@
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 int sample__resolve_callchain(struct perf_sample *sample,
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 			      struct callchain_cursor *cursor, struct symbol **parent,
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-			      struct perf_evsel *evsel, struct addr_location *al,
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+			      struct evsel *evsel, struct addr_location *al,
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 			      int max_stack);
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 int hist_entry__append_callchain(struct hist_entry *he, struct perf_sample *sample);
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 int fill_callchain_info(struct addr_location *al, struct callchain_cursor_node *node,
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@@ -299,4 +298,13 @@
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 			    u64 *branch_count, u64 *predicted_count,
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 			    u64 *abort_count, u64 *cycles_count);
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+void callchain_param_setup(u64 sample_type);
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+
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+bool callchain_cnode_matched(struct callchain_node *base_cnode,
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+			     struct callchain_node *pair_cnode);
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+
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+u64 callchain_total_hits(struct hists *hists);
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+
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+s64 callchain_avg_cycles(struct callchain_node *cnode);
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+
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 #endif	/* __PERF_CALLCHAIN_H */