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At the cost of an extra pointer, we can avoid the O(logN) cost of finding the first element in the tree (smallest node), which is something required for nearly every in/srcline callchain node deletion (in/srcline__tree_delete()). Signed-off-by: Davidlohr Bueso <dbueso@suse.de> Tested-by: Arnaldo Carvalho de Melo <acme@redhat.com> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Namhyung Kim <namhyung@kernel.org> Link: http://lkml.kernel.org/r/20181206191819.30182-4-dave@stgolabs.net Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
57 lines
1.8 KiB
C
57 lines
1.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef PERF_SRCLINE_H
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#define PERF_SRCLINE_H
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#include <linux/list.h>
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#include <linux/rbtree.h>
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#include <linux/types.h>
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struct dso;
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struct symbol;
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extern bool srcline_full_filename;
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char *get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
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bool show_sym, bool show_addr, u64 ip);
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char *__get_srcline(struct dso *dso, u64 addr, struct symbol *sym,
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bool show_sym, bool show_addr, bool unwind_inlines,
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u64 ip);
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void free_srcline(char *srcline);
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char *get_srcline_split(struct dso *dso, u64 addr, unsigned *line);
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/* insert the srcline into the DSO, which will take ownership */
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void srcline__tree_insert(struct rb_root_cached *tree, u64 addr, char *srcline);
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/* find previously inserted srcline */
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char *srcline__tree_find(struct rb_root_cached *tree, u64 addr);
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/* delete all srclines within the tree */
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void srcline__tree_delete(struct rb_root_cached *tree);
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#define SRCLINE_UNKNOWN ((char *) "??:0")
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struct inline_list {
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struct symbol *symbol;
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char *srcline;
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struct list_head list;
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};
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struct inline_node {
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u64 addr;
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struct list_head val;
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struct rb_node rb_node;
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};
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/* parse inlined frames for the given address */
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struct inline_node *dso__parse_addr_inlines(struct dso *dso, u64 addr,
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struct symbol *sym);
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/* free resources associated to the inline node list */
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void inline_node__delete(struct inline_node *node);
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/* insert the inline node list into the DSO, which will take ownership */
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void inlines__tree_insert(struct rb_root_cached *tree,
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struct inline_node *inlines);
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/* find previously inserted inline node list */
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struct inline_node *inlines__tree_find(struct rb_root_cached *tree, u64 addr);
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/* delete all nodes within the tree of inline_node s */
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void inlines__tree_delete(struct rb_root_cached *tree);
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#endif /* PERF_SRCLINE_H */
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