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Adding mem2node object to allow the easy lookup of the node for the physical address. It has following interface: int mem2node__init(struct mem2node *map, struct perf_env *env); void mem2node__exit(struct mem2node *map); int mem2node__node(struct mem2node *map, u64 addr); The mem2node__toolsinit initialize object from the perf data file MEM_TOPOLOGY feature data. Following calls to mem2node__node will return node number for given physical address. The mem2node__exit function frees the object. Signed-off-by: Jiri Olsa <jolsa@kernel.org> Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com> Cc: David Ahern <dsahern@gmail.com> Cc: Namhyung Kim <namhyung@kernel.org> Cc: Peter Zijlstra <peterz@infradead.org> Link: http://lkml.kernel.org/r/20180309101442.9224-3-jolsa@kernel.org Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
19 lines
383 B
C
19 lines
383 B
C
#ifndef __MEM2NODE_H
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#define __MEM2NODE_H
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#include <linux/rbtree.h>
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#include "env.h"
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struct phys_entry;
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struct mem2node {
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struct rb_root root;
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struct phys_entry *entries;
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int cnt;
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};
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int mem2node__init(struct mem2node *map, struct perf_env *env);
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void mem2node__exit(struct mem2node *map);
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int mem2node__node(struct mem2node *map, u64 addr);
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#endif /* __MEM2NODE_H */
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