diff options
Diffstat (limited to 'kernel/sched')
| -rw-r--r-- | kernel/sched/fair.c | 24 | ||||
| -rw-r--r-- | kernel/sched/stats.c | 7 |
2 files changed, 28 insertions, 3 deletions
diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c index e5c0c61909b7..b3418b5d484f 100644 --- a/kernel/sched/fair.c +++ b/kernel/sched/fair.c @@ -11705,6 +11705,28 @@ static int should_we_balance(struct lb_env *env) return group_balance_cpu(sg) == env->dst_cpu; } +static void update_lb_imbalance_stat(struct lb_env *env, struct sched_domain *sd, + enum cpu_idle_type idle) +{ + if (!schedstat_enabled()) + return; + + switch (env->migration_type) { + case migrate_load: + __schedstat_add(sd->lb_imbalance_load[idle], env->imbalance); + break; + case migrate_util: + __schedstat_add(sd->lb_imbalance_util[idle], env->imbalance); + break; + case migrate_task: + __schedstat_add(sd->lb_imbalance_task[idle], env->imbalance); + break; + case migrate_misfit: + __schedstat_add(sd->lb_imbalance_misfit[idle], env->imbalance); + break; + } +} + /* * Check this_cpu to ensure it is balanced within domain. Attempt to move * tasks if there is an imbalance. @@ -11755,7 +11777,7 @@ redo: WARN_ON_ONCE(busiest == env.dst_rq); - schedstat_add(sd->lb_imbalance[idle], env.imbalance); + update_lb_imbalance_stat(&env, sd, idle); env.src_cpu = busiest->cpu; env.src_rq = busiest; diff --git a/kernel/sched/stats.c b/kernel/sched/stats.c index eb0cdcd4d921..802bd9398a2e 100644 --- a/kernel/sched/stats.c +++ b/kernel/sched/stats.c @@ -141,11 +141,14 @@ static int show_schedstat(struct seq_file *seq, void *v) seq_printf(seq, "domain%d %*pb", dcount++, cpumask_pr_args(sched_domain_span(sd))); for (itype = 0; itype < CPU_MAX_IDLE_TYPES; itype++) { - seq_printf(seq, " %u %u %u %u %u %u %u %u", + seq_printf(seq, " %u %u %u %u %u %u %u %u %u %u %u", sd->lb_count[itype], sd->lb_balanced[itype], sd->lb_failed[itype], - sd->lb_imbalance[itype], + sd->lb_imbalance_load[itype], + sd->lb_imbalance_util[itype], + sd->lb_imbalance_task[itype], + sd->lb_imbalance_misfit[itype], sd->lb_gained[itype], sd->lb_hot_gained[itype], sd->lb_nobusyq[itype], |