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-rw-r--r--kernel/cgroup/cgroup-internal.h2
-rw-r--r--kernel/cgroup/cgroup.c4
-rw-r--r--kernel/cgroup/rstat.c67
3 files changed, 36 insertions, 37 deletions
diff --git a/kernel/cgroup/cgroup-internal.h b/kernel/cgroup/cgroup-internal.h
index 092711114a1f..aab4d0a09670 100644
--- a/kernel/cgroup/cgroup-internal.h
+++ b/kernel/cgroup/cgroup-internal.h
@@ -206,7 +206,7 @@ int cgroup_task_count(const struct cgroup *cgrp);
void cgroup_rstat_flush(struct cgroup *cgrp);
int cgroup_rstat_init(struct cgroup *cgrp);
void cgroup_rstat_exit(struct cgroup *cgrp);
-void cgroup_stat_show_cputime(struct seq_file *seq);
+void cgroup_base_stat_cputime_show(struct seq_file *seq);
void cgroup_rstat_boot(void);
/*
diff --git a/kernel/cgroup/cgroup.c b/kernel/cgroup/cgroup.c
index 32eb7ce0ad71..31af98996692 100644
--- a/kernel/cgroup/cgroup.c
+++ b/kernel/cgroup/cgroup.c
@@ -54,6 +54,7 @@
#include <linux/proc_ns.h>
#include <linux/nsproxy.h>
#include <linux/file.h>
+#include <linux/sched/cputime.h>
#include <net/sock.h>
#define CREATE_TRACE_POINTS
@@ -1859,6 +1860,7 @@ static void init_cgroup_housekeeping(struct cgroup *cgrp)
cgrp->dom_cgrp = cgrp;
cgrp->max_descendants = INT_MAX;
cgrp->max_depth = INT_MAX;
+ prev_cputime_init(&cgrp->prev_cputime);
for_each_subsys(ss, ssid)
INIT_LIST_HEAD(&cgrp->e_csets[ssid]);
@@ -3396,7 +3398,7 @@ static int cpu_stat_show(struct seq_file *seq, void *v)
struct cgroup __maybe_unused *cgrp = seq_css(seq)->cgroup;
int ret = 0;
- cgroup_stat_show_cputime(seq);
+ cgroup_base_stat_cputime_show(seq);
#ifdef CONFIG_CGROUP_SCHED
ret = cgroup_extra_stat_show(seq, cgrp, cpu_cgrp_id);
#endif
diff --git a/kernel/cgroup/rstat.c b/kernel/cgroup/rstat.c
index 6824047b57a9..7670191fa776 100644
--- a/kernel/cgroup/rstat.c
+++ b/kernel/cgroup/rstat.c
@@ -128,30 +128,30 @@ static struct cgroup *cgroup_rstat_cpu_pop_updated(struct cgroup *pos,
return pos;
}
-static void cgroup_stat_accumulate(struct cgroup_stat *dst_stat,
- struct cgroup_stat *src_stat)
+static void cgroup_base_stat_accumulate(struct cgroup_base_stat *dst_bstat,
+ struct cgroup_base_stat *src_bstat)
{
- dst_stat->cputime.utime += src_stat->cputime.utime;
- dst_stat->cputime.stime += src_stat->cputime.stime;
- dst_stat->cputime.sum_exec_runtime += src_stat->cputime.sum_exec_runtime;
+ dst_bstat->cputime.utime += src_bstat->cputime.utime;
+ dst_bstat->cputime.stime += src_bstat->cputime.stime;
+ dst_bstat->cputime.sum_exec_runtime += src_bstat->cputime.sum_exec_runtime;
}
-static void cgroup_cpu_stat_flush_one(struct cgroup *cgrp, int cpu)
+static void cgroup_base_stat_flush(struct cgroup *cgrp, int cpu)
{
struct cgroup *parent = cgroup_parent(cgrp);
struct cgroup_rstat_cpu *rstatc = cgroup_rstat_cpu(cgrp, cpu);
- struct task_cputime *last_cputime = &rstatc->last_cputime;
+ struct task_cputime *last_cputime = &rstatc->last_bstat.cputime;
struct task_cputime cputime;
- struct cgroup_stat delta;
+ struct cgroup_base_stat delta;
unsigned seq;
lockdep_assert_held(&cgroup_rstat_mutex);
/* fetch the current per-cpu values */
do {
- seq = __u64_stats_fetch_begin(&rstatc->sync);
- cputime = rstatc->cputime;
- } while (__u64_stats_fetch_retry(&rstatc->sync, seq));
+ seq = __u64_stats_fetch_begin(&rstatc->bsync);
+ cputime = rstatc->bstat.cputime;
+ } while (__u64_stats_fetch_retry(&rstatc->bsync, seq));
/* accumulate the deltas to propgate */
delta.cputime.utime = cputime.utime - last_cputime->utime;
@@ -161,13 +161,13 @@ static void cgroup_cpu_stat_flush_one(struct cgroup *cgrp, int cpu)
*last_cputime = cputime;
/* transfer the pending stat into delta */
- cgroup_stat_accumulate(&delta, &cgrp->pending_stat);
- memset(&cgrp->pending_stat, 0, sizeof(cgrp->pending_stat));
+ cgroup_base_stat_accumulate(&delta, &cgrp->pending_bstat);
+ memset(&cgrp->pending_bstat, 0, sizeof(cgrp->pending_bstat));
/* propagate delta into the global stat and the parent's pending */
- cgroup_stat_accumulate(&cgrp->stat, &delta);
+ cgroup_base_stat_accumulate(&cgrp->bstat, &delta);
if (parent)
- cgroup_stat_accumulate(&parent->pending_stat, &delta);
+ cgroup_base_stat_accumulate(&parent->pending_bstat, &delta);
}
/* see cgroup_rstat_flush() */
@@ -184,7 +184,7 @@ static void cgroup_rstat_flush_locked(struct cgroup *cgrp)
raw_spin_lock_irq(cpu_lock);
while ((pos = cgroup_rstat_cpu_pop_updated(pos, cgrp, cpu)))
- cgroup_cpu_stat_flush_one(pos, cpu);
+ cgroup_base_stat_flush(pos, cpu);
raw_spin_unlock_irq(cpu_lock);
}
}
@@ -208,19 +208,19 @@ void cgroup_rstat_flush(struct cgroup *cgrp)
}
static struct cgroup_rstat_cpu *
-cgroup_cpu_stat_account_begin(struct cgroup *cgrp)
+cgroup_base_stat_cputime_account_begin(struct cgroup *cgrp)
{
struct cgroup_rstat_cpu *rstatc;
rstatc = get_cpu_ptr(cgrp->rstat_cpu);
- u64_stats_update_begin(&rstatc->sync);
+ u64_stats_update_begin(&rstatc->bsync);
return rstatc;
}
-static void cgroup_cpu_stat_account_end(struct cgroup *cgrp,
- struct cgroup_rstat_cpu *rstatc)
+static void cgroup_base_stat_cputime_account_end(struct cgroup *cgrp,
+ struct cgroup_rstat_cpu *rstatc)
{
- u64_stats_update_end(&rstatc->sync);
+ u64_stats_update_end(&rstatc->bsync);
cgroup_rstat_cpu_updated(cgrp, smp_processor_id());
put_cpu_ptr(rstatc);
}
@@ -229,9 +229,9 @@ void __cgroup_account_cputime(struct cgroup *cgrp, u64 delta_exec)
{
struct cgroup_rstat_cpu *rstatc;
- rstatc = cgroup_cpu_stat_account_begin(cgrp);
- rstatc->cputime.sum_exec_runtime += delta_exec;
- cgroup_cpu_stat_account_end(cgrp, rstatc);
+ rstatc = cgroup_base_stat_cputime_account_begin(cgrp);
+ rstatc->bstat.cputime.sum_exec_runtime += delta_exec;
+ cgroup_base_stat_cputime_account_end(cgrp, rstatc);
}
void __cgroup_account_cputime_field(struct cgroup *cgrp,
@@ -239,26 +239,26 @@ void __cgroup_account_cputime_field(struct cgroup *cgrp,
{
struct cgroup_rstat_cpu *rstatc;
- rstatc = cgroup_cpu_stat_account_begin(cgrp);
+ rstatc = cgroup_base_stat_cputime_account_begin(cgrp);
switch (index) {
case CPUTIME_USER:
case CPUTIME_NICE:
- rstatc->cputime.utime += delta_exec;
+ rstatc->bstat.cputime.utime += delta_exec;
break;
case CPUTIME_SYSTEM:
case CPUTIME_IRQ:
case CPUTIME_SOFTIRQ:
- rstatc->cputime.stime += delta_exec;
+ rstatc->bstat.cputime.stime += delta_exec;
break;
default:
break;
}
- cgroup_cpu_stat_account_end(cgrp, rstatc);
+ cgroup_base_stat_cputime_account_end(cgrp, rstatc);
}
-void cgroup_stat_show_cputime(struct seq_file *seq)
+void cgroup_base_stat_cputime_show(struct seq_file *seq)
{
struct cgroup *cgrp = seq_css(seq)->cgroup;
u64 usage, utime, stime;
@@ -270,9 +270,8 @@ void cgroup_stat_show_cputime(struct seq_file *seq)
cgroup_rstat_flush_locked(cgrp);
- usage = cgrp->stat.cputime.sum_exec_runtime;
- cputime_adjust(&cgrp->stat.cputime, &cgrp->stat.prev_cputime,
- &utime, &stime);
+ usage = cgrp->bstat.cputime.sum_exec_runtime;
+ cputime_adjust(&cgrp->bstat.cputime, &cgrp->prev_cputime, &utime, &stime);
mutex_unlock(&cgroup_rstat_mutex);
@@ -302,11 +301,9 @@ int cgroup_rstat_init(struct cgroup *cgrp)
struct cgroup_rstat_cpu *rstatc = cgroup_rstat_cpu(cgrp, cpu);
rstatc->updated_children = cgrp;
- u64_stats_init(&rstatc->sync);
+ u64_stats_init(&rstatc->bsync);
}
- prev_cputime_init(&cgrp->stat.prev_cputime);
-
return 0;
}
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