On Thu, Aug 22, 2019 at 02:20:45PM +0530, Ravi Bangoria wrote:
> If c2c is recorded on a machine where any cpus are offline,
> 'perf c2c report' throws an error "node/cpu topology bugFailed
> setup nodes". It fails because while preparing node-cpu mapping
> we don't consider offline cpus.
>
> Fixes: 1e181b92a2da ("perf c2c report: Add 'node' sort key")
> Reported-by: Nageswara R Sastry <[email protected]>
> Signed-off-by: Ravi Bangoria <[email protected]>
Acked-by: Jiri Olsa <[email protected]>
thanks,
jirka
> ---
> tools/perf/builtin-c2c.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/tools/perf/builtin-c2c.c b/tools/perf/builtin-c2c.c
> index 9e6cc86..fc68a94 100644
> --- a/tools/perf/builtin-c2c.c
> +++ b/tools/perf/builtin-c2c.c
> @@ -2027,7 +2027,7 @@ static int setup_nodes(struct perf_session *session)
> c2c.node_info = 2;
>
> c2c.nodes_cnt = session->header.env.nr_numa_nodes;
> - c2c.cpus_cnt = session->header.env.nr_cpus_online;
> + c2c.cpus_cnt = session->header.env.nr_cpus_avail;
>
> n = session->header.env.numa_nodes;
> if (!n)
> --
> 1.8.3.1
>
