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oomd: ruleset parsing

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Add to oomd the capability to define rulesets in /etc/systemd/oomd/rules.d/
and then reference them with a new config option OOMRule=
This commit is contained in:
Matteo Croce
2026-05-18 21:42:56 +02:00
committed by Daan De Meyer
parent 6080d1cc42
commit 15783e4657
23 changed files with 1175 additions and 25 deletions
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src/shared/bus-unit-util.c
+1
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@@ -2384,6 +2384,7 @@ static const BusProperty cgroup_properties[] = {
{ "ManagedOOMSwap", bus_append_string },
{ "ManagedOOMMemoryPressure", bus_append_string },
{ "ManagedOOMPreference", bus_append_string },
{ "OOMRules", bus_append_strv },
{ "MemoryPressureWatch", bus_append_string },
{ "CPUPressureWatch", bus_append_string },
{ "IOPressureWatch", bus_append_string },
src/shared/varlink-io.systemd.Unit.c
+2
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@@ -409,6 +409,8 @@ static SD_VARLINK_DEFINE_STRUCT_TYPE(
SD_VARLINK_DEFINE_FIELD(ManagedOOMMemoryPressureDurationUSec, SD_VARLINK_INT, SD_VARLINK_NULLABLE),
SD_VARLINK_FIELD_COMMENT("https://www.freedesktop.org/software/systemd/man/"PROJECT_VERSION_STR"/systemd.resource-control.html#ManagedOOMPreference=none%7Cavoid%7Comit"),
SD_VARLINK_DEFINE_FIELD_BY_TYPE(ManagedOOMPreference, ManagedOOMPreference, 0),
SD_VARLINK_FIELD_COMMENT("https://www.freedesktop.org/software/systemd/man/"PROJECT_VERSION_STR"/systemd.resource-control.html#OOMRules="),
SD_VARLINK_DEFINE_FIELD(OOMRules, SD_VARLINK_STRING, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE),
SD_VARLINK_FIELD_COMMENT("https://www.freedesktop.org/software/systemd/man/"PROJECT_VERSION_STR"/systemd.resource-control.html#MemoryPressureWatch="),
SD_VARLINK_DEFINE_FIELD_BY_TYPE(MemoryPressureWatch, CGroupPressureWatch, 0),
SD_VARLINK_FIELD_COMMENT("https://www.freedesktop.org/software/systemd/man/"PROJECT_VERSION_STR"/systemd.resource-control.html#MemoryPressureThresholdSec="),
src/shared/varlink-io.systemd.oom.c
+2 -1
View File
@@ -14,7 +14,8 @@ SD_VARLINK_DEFINE_STRUCT_TYPE(
SD_VARLINK_DEFINE_FIELD(path, SD_VARLINK_STRING, 0),
SD_VARLINK_DEFINE_FIELD(property, SD_VARLINK_STRING, 0),
SD_VARLINK_DEFINE_FIELD(limit, SD_VARLINK_INT, SD_VARLINK_NULLABLE),
SD_VARLINK_DEFINE_FIELD(duration, SD_VARLINK_INT, SD_VARLINK_NULLABLE));
SD_VARLINK_DEFINE_FIELD(duration, SD_VARLINK_INT, SD_VARLINK_NULLABLE),
SD_VARLINK_DEFINE_FIELD(rules, SD_VARLINK_STRING, SD_VARLINK_ARRAY|SD_VARLINK_NULLABLE));
static SD_VARLINK_DEFINE_METHOD(
ReportManagedOOMCGroups,