test/scheduler: Add wrapper for setting up the environment

# Select cores for the test

xtrace_disable

source "$testdir/common.sh"

# Number of cpus to include in the mask

NUM_CPUS=${NUM_CPUS:-8}

map_cpus

# Build core mask. Avoid all CPUs that may be offline and skip cpu0

# (and all its potential thread siblings) as it's already doing an

# extra work for the kernel.

denied_list $(get_cpus "${cpu_node_map[0]}" "${cpu_core_map[0]}")

# If there are any isolated cpus (as defined on the kernel cmdline

# with isolcpus) they take the priority. We fill up the list up to

# NUM_CPUS, applying filtering as per the denied list. All cpus are

# taken from node0.

allowed_list "$NUM_CPUS" 0

# Assign proper resources to the cpuset/spdk

spdk_cpus=("${allowed[@]}")

spdk_cpus_csv=$(fold_array_onto_string "${spdk_cpus[@]}")

spdk_cpusmask=$(mask_cpus "${spdk_cpus[@]}")

spdk_main_core=${spdk_cpus[0]}

spdk_cpus_mems=0

# Build list of remaining cpus for posterity

denied_list "${spdk_cpus[@]}"

fold_list_onto_array allowed "${cpus[@]}"

filter_allowed_list

all_cpus=("${allowed[@]}")

all_cpus_csv=$(fold_array_onto_string "${all_cpus[@]}")

all_cpusmask=$(mask_cpus "${all_cpus[@]}")

export \

	"spdk_cpusmask=$spdk_cpusmask" \

	"spdk_cpus_csv=$spdk_cpus_csv" \

	"spdk_cpus_no=${#spdk_cpus[@]}" \

	"spdk_main_core=$spdk_main_core" \

	"all_cpusmask=$all_cpusmask" \

	"all_cpus_csv=$all_cpus_csv"

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