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core: add new call unit_reset_accounting()

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It's a simple wrapper for resetting both IP and CPU accounting in one
go.

This will become particularly useful when we also needs this to reset IO
accounting (to be added in a later commit).
This commit is contained in:
Lennart Poettering 2019-03-22 11:25:49 +01:00
parent cc6625212f
commit 9b2559a13e
5 changed files with 15 additions and 6 deletions
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11
src/core/cgroup.c
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@ -3210,6 +3210,17 @@ int unit_reset_ip_accounting(Unit *u) {
return r < 0 ? r : q;
}
int unit_reset_accounting(Unit *u) {
int r, q;
assert(u);
r = unit_reset_cpu_accounting(u);
q = unit_reset_ip_accounting(u);
return r < 0 ? r : q;
}
void unit_invalidate_cgroup(Unit *u, CGroupMask m) {
assert(u);

1
src/core/cgroup.h
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@ -204,6 +204,7 @@ int unit_get_ip_accounting(Unit *u, CGroupIPAccountingMetric metric, uint64_t *r
int unit_reset_cpu_accounting(Unit *u);
int unit_reset_ip_accounting(Unit *u);
int unit_reset_accounting(Unit *u);
#define UNIT_CGROUP_BOOL(u, name) \
({ \

3
src/core/scope.c
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@ -330,8 +330,7 @@ static int scope_start(Unit *u) {
return r;
(void) unit_realize_cgroup(u);
(void) unit_reset_cpu_accounting(u);
(void) unit_reset_ip_accounting(u);
(void) unit_reset_accounting(u);
unit_export_state_files(u);

3
src/core/slice.c
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@ -230,8 +230,7 @@ static int slice_start(Unit *u) {
return r;
(void) unit_realize_cgroup(u);
(void) unit_reset_cpu_accounting(u);
(void) unit_reset_ip_accounting(u);
(void) unit_reset_accounting(u);
slice_set_state(t, SLICE_ACTIVE);
return 1;

3
src/core/unit.c
View File

@ -5393,8 +5393,7 @@ int unit_prepare_exec(Unit *u) {
(void) unit_realize_cgroup(u);
if (u->reset_accounting) {
(void) unit_reset_cpu_accounting(u);
(void) unit_reset_ip_accounting(u);
(void) unit_reset_accounting(u);
u->reset_accounting = false;
}