perf c2c: Display proper cpu count in nodes column

There's wrong bitmap considered when checking for cpu count of specific
node.

We do the needed computation for 'set' variable, but at the end we use
the 'c2c_he->cpuset' weight, which shows misleading numbers.

Fixes: 1e181b92a2da ("perf c2c report: Add 'node' sort key")
Reported-by: Joe Mario <jmario@redhat.com>
Signed-off-by: Jiri Olsa <jolsa@kernel.org>
Cc: Alexander Shishkin <alexander.shishkin@linux.intel.com>
Cc: Michael Petlan <mpetlan@redhat.com>
Cc: Namhyung Kim <namhyung@kernel.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Link: http://lore.kernel.org/lkml/20190820140219.28338-1-jolsa@kernel.org
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>

diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
index 73782d99ee5a0f47ecd2ccb9ea75844f3b52a106..8335a4076a5af718a05da88e8e38f4bad234efdc 100644 (file)
--- a/tools/perf/builtin-c2c.c
+++ b/tools/perf/builtin-c2c.c
@@ -1107,7 +1107,7 @@ node_entry(struct perf_hpp_fmt *fmt __maybe_unused, struct perf_hpp *hpp,
                        break;
                case 1:
                {
-                       int num = bitmap_weight(c2c_he->cpuset, c2c.cpus_cnt);
+                       int num = bitmap_weight(set, c2c.cpus_cnt);
                        struct c2c_stats *stats = &c2c_he->node_stats[node];
 
                        ret = scnprintf(hpp->buf, hpp->size, "%2d{%2d ", node, num);