Files
runc/tests/integration/scheduler.bats
T
Kir Kolyshkin 693a471af8 tests/int: use run with a status check
...instead of an explicit or absent status check.

Signed-off-by: Kir Kolyshkin <kolyshkin@gmail.com>
2025-10-18 15:30:16 -07:00

78 lines
2.0 KiB
Bash

#!/usr/bin/env bats
load helpers
function setup() {
requires root
setup_debian
}
function teardown() {
teardown_bundle
}
@test "scheduler is applied" {
update_config ' .process.scheduler = {
"policy": "SCHED_BATCH",
"priority": 0,
"nice": 19
}'
runc run -d --console-socket "$CONSOLE_SOCKET" test_scheduler
[ "$status" -eq 0 ]
# Check init settings.
runc exec test_scheduler chrt -p 1
[ "$status" -eq 0 ]
[[ "${lines[0]}" == *"scheduling policy: SCHED_BATCH" ]]
[[ "${lines[1]}" == *"priority: 0" ]]
# Check exec settings derived from config.json.
runc exec test_scheduler sh -c 'chrt -p $$'
[ "$status" -eq 0 ]
[[ "${lines[0]}" == *"scheduling policy: SCHED_BATCH" ]]
[[ "${lines[1]}" == *"priority: 0" ]]
# Another exec, with different scheduler settings.
proc='
{
"terminal": false,
"args": [ "/bin/sleep", "600" ],
"cwd": "/",
"scheduler": {
"policy": "SCHED_DEADLINE",
"flags": [ "SCHED_FLAG_RESET_ON_FORK" ],
"nice": 19,
"priority": 0,
"runtime": 42000,
"deadline": 100000,
"period": 1000000
}
}'
__runc exec -d --pid-file pid.txt --process <(echo "$proc") test_scheduler
run -0 chrt -p "$(cat pid.txt)"
[[ "${lines[0]}" == *"scheduling policy: SCHED_DEADLINE|SCHED_RESET_ON_FORK" ]]
[[ "${lines[1]}" == *"priority: 0" ]]
[[ "${lines[2]}" == *"runtime/deadline/period parameters: 42000/100000/1000000" ]]
}
# Checks that runc emits a specific error when scheduling policy is used
# together with specific CPUs. As documented in sched_setattr(2):
#
# ERRORS:
# ...
# EPERM The CPU affinity mask of the thread specified by pid does not
# include all CPUs in the system (see sched_setaffinity(2)).
#
@test "scheduler vs cpus" {
requires smp
update_config ' .linux.resources.cpu.cpus = "0"
| .process.scheduler = {"policy": "SCHED_DEADLINE", "nice": 19, "runtime": 42000, "deadline": 1000000, "period": 1000000, }'
runc run -d --console-socket "$CONSOLE_SOCKET" test_scheduler
[ "$status" -eq 1 ]
[[ "$output" == *"process scheduler can't be used together with AllowedCPUs"* ]]
}