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merge #4726 into opencontainers/runc:main

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Antti Kervinen (1):
  Add memory policy support

LGTMs: lifubang AkihiroSuda cyphar
This commit is contained in:
Aleksa Sarai
2025-10-08 05:18:13 +11:00
parent bc432ce88c eda7bdf80c
commit a672a5f36c
11 changed files with 286 additions and 6 deletions
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tests/integration/memorypolicy.bats
+133
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#!/usr/bin/env bats
load helpers
function setup() {
setup_busybox
}
function teardown() {
teardown_bundle
}
@test "runc run memory policy interleave without flags" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "MPOL_INTERLEAVE",
"nodes": "0"
}'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == "interleave:0" ]]
}
@test "runc run memory policy bind static" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "MPOL_BIND",
"nodes": "0",
"flags": ["MPOL_F_STATIC_NODES"]
}'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == "bind"*"static"*"0" ]]
}
@test "runc run and exec memory policy prefer relative" {
update_config '
.linux.memoryPolicy = {
"mode": "MPOL_PREFERRED",
"nodes": "0",
"flags": ["MPOL_F_RELATIVE_NODES"]
}'
runc run -d --console-socket "$CONSOLE_SOCKET" test_busybox
[ "$status" -eq 0 ]
runc exec test_busybox /bin/sh -c "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"
[ "$status" -eq 0 ]
[[ "${lines[0]}" == "prefer"*"relative"*"0" ]]
}
@test "runc run empty memory policy" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
}'
runc run test_busybox
[ "$status" -eq 1 ]
[[ "${lines[0]}" == *"invalid memory policy"* ]]
}
@test "runc run memory policy with non-existing mode" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "INTERLEAVE",
"nodes": "0"
}'
runc run test_busybox
[ "$status" -eq 1 ]
[[ "${lines[0]}" == *"invalid memory policy"* ]]
}
@test "runc run memory policy with invalid flag" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "MPOL_PREFERRED",
"nodes": "0",
"flags": ["MPOL_F_RELATIVE_NODES", "badflag"]
}'
runc run test_busybox
[ "$status" -eq 1 ]
[[ "${lines[0]}" == *"invalid memory policy flag"* ]]
}
@test "runc run memory policy default with missing nodes" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "MPOL_DEFAULT"
}'
runc run test_busybox
[ "$status" -eq 0 ]
[[ "${lines[0]}" == *"default"* ]]
}
@test "runc run memory policy with missing mode" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"nodes": "0-7"
}'
runc run test_busybox
[ "$status" -eq 1 ]
[[ "${lines[0]}" == *"invalid memory policy mode"* ]]
}
@test "runc run memory policy calls syscall with invalid arguments" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "MPOL_DEFAULT",
"nodes": "0-7",
}'
runc run test_busybox
[ "$status" -eq 1 ]
[[ "${lines[*]}" == *"mode requires 0 nodes but got 8"* ]]
}
@test "runc run memory policy bind way too large a node number" {
update_config '
.process.args = ["/bin/sh", "-c", "head -n 1 /proc/self/numa_maps | cut -d \" \" -f 2"]
| .linux.memoryPolicy = {
"mode": "MPOL_BIND",
"nodes": "0-9876543210",
"flags": []
}'
runc run test_busybox
[ "$status" -eq 1 ]
[[ "${lines[0]}" == *"invalid memory policy node"* ]]
}