Re: [PATCH] perf tools: handle TOPOLOGY headers with no CPU

On Sat, Jan 19, 2019 at 12:12:39AM -0800, Stephane Eranian wrote: > This patch fixes an issue in cpumap.c when used with the > TOPOLOGY header. In some configurations, some NUMA nodes may > have no CPU (empty cpulist). Yet a cpumap map must be created > otherwise perf abort with an error. This patc

[PATCH] perf tools: handle TOPOLOGY headers with no CPU

This patch fixes an issue in cpumap.c when used with the TOPOLOGY header. In some configurations, some NUMA nodes may have no CPU (empty cpulist). Yet a cpumap map must be created otherwise perf abort with an error. This patch handles this case by creating a dummy map. Before: $ perf record -o - -