Merge tag 'powerpc-4.6-4' of git://git.kernel.org/pub/scm/linux/kernel/git/powerpc...

[cascardo/linux.git] / tools / perf / util / cpumap.c

diff --git a/tools/perf/util/cpumap.c b/tools/perf/util/cpumap.c
index fa93509..9bcf2be 100644 (file)
--- a/tools/perf/util/cpumap.c
+++ b/tools/perf/util/cpumap.c
@@ -8,6 +8,10 @@
 #include <linux/bitmap.h>
 #include "asm/bug.h"
 
+static int max_cpu_num;
+static int max_node_num;
+static int *cpunode_map;
+
 static struct cpu_map *cpu_map__default_new(void)
 {
        struct cpu_map *cpus;
@@ -486,6 +490,32 @@ out:
                pr_err("Failed to read max nodes, using default of %d\n", max_node_num);
 }
 
+int cpu__max_node(void)
+{
+       if (unlikely(!max_node_num))
+               set_max_node_num();
+
+       return max_node_num;
+}
+
+int cpu__max_cpu(void)
+{
+       if (unlikely(!max_cpu_num))
+               set_max_cpu_num();
+
+       return max_cpu_num;
+}
+
+int cpu__get_node(int cpu)
+{
+       if (unlikely(cpunode_map == NULL)) {
+               pr_debug("cpu_map not initialized\n");
+               return -1;
+       }
+
+       return cpunode_map[cpu];
+}
+
 static int init_cpunode_map(void)
 {
        int i;