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core/scope: Add oom-kill status for scope units (#24269)

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Closes #23557.
This commit is contained in:
gtwang01 2022-08-10 20:19:43 -07:00 committed by GitHub
parent 76d79e7e35
commit 7238fd51d4
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2 changed files with 30 additions and 0 deletions
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29
src/core/scope.c
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@ -627,6 +627,33 @@ static void scope_notify_cgroup_empty_event(Unit *u) {
unit_prune_cgroup(u);
}
static void scope_notify_cgroup_oom_event(Unit *u, bool managed_oom) {
Scope *s = SCOPE(u);
if (managed_oom)
log_unit_debug(u, "Process(es) of control group were killed by systemd-oomd.");
else
log_unit_debug(u, "Process of control group was killed by the OOM killer.");
/* This will probably need to be modified when scope units get an oom-policy */
switch (s->state) {
case SCOPE_START_CHOWN:
case SCOPE_RUNNING:
case SCOPE_STOP_SIGTERM:
scope_enter_signal(s, SCOPE_STOP_SIGKILL, SCOPE_FAILURE_OOM_KILL);
break;
case SCOPE_STOP_SIGKILL:
if (s->result == SCOPE_SUCCESS)
s->result = SCOPE_FAILURE_OOM_KILL;
break;
/* SCOPE_DEAD, SCOPE_ABANDONED, and SCOPE_FAILED end up in default */
default:
;
}
}
static void scope_sigchld_event(Unit *u, pid_t pid, int code, int status) {
Scope *s = SCOPE(u);
@ -755,6 +782,7 @@ static const char* const scope_result_table[_SCOPE_RESULT_MAX] = {
[SCOPE_SUCCESS] = "success",
[SCOPE_FAILURE_RESOURCES] = "resources",
[SCOPE_FAILURE_TIMEOUT] = "timeout",
[SCOPE_FAILURE_OOM_KILL] = "oom-kill",
};
DEFINE_STRING_TABLE_LOOKUP(scope_result, ScopeResult);
@ -805,6 +833,7 @@ const UnitVTable scope_vtable = {
.reset_failed = scope_reset_failed,
.notify_cgroup_empty = scope_notify_cgroup_empty_event,
.notify_cgroup_oom = scope_notify_cgroup_oom_event,
.bus_set_property = bus_scope_set_property,
.bus_commit_properties = bus_scope_commit_properties,

1
src/core/scope.h
View File

@ -11,6 +11,7 @@ typedef enum ScopeResult {
SCOPE_SUCCESS,
SCOPE_FAILURE_RESOURCES,
SCOPE_FAILURE_TIMEOUT,
SCOPE_FAILURE_OOM_KILL,
_SCOPE_RESULT_MAX,
_SCOPE_RESULT_INVALID = -EINVAL,
} ScopeResult;