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test/scheduler: reorder checks in interrupt test for debugging

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Related to #1950
In the issue, CPU idle time measured from /proc/stats make it
seem like no reactor goes idle.

If true, then it would help for debugging to check stats from reactors.
Their busy/idle time and number of threads on them.

This patch reorders the checks in interrupt test,
to first show reactor stats, then confirm with idle time from
/proc/stats.

Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: Ia1770833828ef688110473e45ed5998d213059f3
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8223
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Paul Luse <paul.e.luse@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Jim Harris <james.r.harris@intel.com>
This commit is contained in:
Tomasz Zawadzki 2021-06-09 10:09:33 -04:00 committed by Ben Walker
parent 57a2f03eb6
commit 798ad0fb16
1 changed files with 8 additions and 8 deletions
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16
test/scheduler/interrupt.sh
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@ -80,6 +80,12 @@ interrupt() {
cpus_to_collect=("${cpus[@]}")
collect_cpu_idle
# Verify that each cpu, except the main cpu, has no threads assigned
reactor_framework=$(rpc_cmd framework_get_reactors | jq -r '.reactors[]')
for cpu in "${cpus[@]:1}"; do
[[ -z $(jq -r "select(.lcore == $cpu) | .lw_threads[].id" <<< "$reactor_framework") ]]
done
# Standard scenario - spdk app is idle, all cpus, except the main cpu, should be
# switched into interrupt mode. main cpu should remain busy, all remaining cpus
# should become idle.
@ -92,12 +98,6 @@ interrupt() {
fi
done
# While cpus are still idle, verify that each cpu, except the main cpu, has no threads assigned
reactor_framework=$(rpc_cmd framework_get_reactors | jq -r '.reactors[]')
for cpu in "${cpus[@]:1}"; do
[[ -z $(jq -r "select(.lcore == $cpu) | .lw_threads[].id" <<< "$reactor_framework") ]]
done
# select 3 cpus except the main one
busy_cpus=("${cpus[@]:1:3}") threads=()
@ -106,9 +106,9 @@ interrupt() {
for cpu in "${busy_cpus[@]}"; do
threads[cpu]=$(create_thread -n "thread$cpu" -m "$(mask_cpus "$cpu")" -a 100) cpus_to_collect=("$cpu")
collect_cpu_idle
((is_idle[cpu] == 0))
reactor_framework=$(rpc_cmd framework_get_reactors | jq -r '.reactors[]')
[[ -n $(jq -r "select(.lcore == $cpu) | .lw_threads[] | select(.name == \"thread$cpu\")" <<< "$reactor_framework") ]]
((is_idle[cpu] == 0))
done
# Make all the threads idle and verify if their cpus have become idle as well and if they were
@ -118,10 +118,10 @@ interrupt() {
cpus_to_collect=("$cpu")
# Give some extra time for the cpu to spin down
collect_cpu_idle 10
((is_idle[cpu] == 1))
reactor_framework=$(rpc_cmd framework_get_reactors | jq -r '.reactors[]')
[[ -z $(jq -r "select(.lcore == $cpu) | .lw_threads[].id" <<< "$reactor_framework") ]]
[[ -n $(jq -r "select(.lcore == $spdk_main_core) | .lw_threads[] | select(.name == \"thread$cpu\")" <<< "$reactor_framework") ]]
((is_idle[cpu] == 1))
done
for cpu in "${!threads[@]}"; do