There is an error when collecting the cpu usage data in perf.c.
The cpu busy data exceeds 100% when running perf tool with mutli-cores.
Signed-off-by: Jaylyn Ren <jaylyn.ren@arm.com>
Change-Id: I9a00f86a51fb52e115c37199aee6f849b235d868
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7431
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
5f179d8bd1