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Date: Mon, 27 May 2019 07:21:14 +0100
From: Dietmar Eggemann <dietmar.eggemann@....com>
To: Peter Zijlstra <peterz@...radead.org>,
Ingo Molnar <mingo@...nel.org>
Cc: Thomas Gleixner <tglx@...utronix.de>,
Frederic Weisbecker <fweisbec@...il.com>,
Rik van Riel <riel@...riel.com>,
Vincent Guittot <vincent.guittot@...aro.org>,
Morten Rasmussen <morten.rasmussen@....com>,
Quentin Perret <quentin.perret@....com>,
Valentin Schneider <valentin.schneider@....com>,
Patrick Bellasi <patrick.bellasi@....com>,
linux-kernel@...r.kernel.org
Subject: [PATCH 5/7] sched: Remove sd->*_idx
The sched domain per rq load index files also disappear from the
/proc/sys/kernel/sched_domain/cpuX/domainY directories.
Signed-off-by: Dietmar Eggemann <dietmar.eggemann@....com>
---
include/linux/sched/topology.h | 5 -----
kernel/sched/debug.c | 25 ++++++++++---------------
kernel/sched/topology.c | 10 ----------
3 files changed, 10 insertions(+), 30 deletions(-)
diff --git a/include/linux/sched/topology.h b/include/linux/sched/topology.h
index cfc0a89a7159..53afbe07354a 100644
--- a/include/linux/sched/topology.h
+++ b/include/linux/sched/topology.h
@@ -84,11 +84,6 @@ struct sched_domain {
unsigned int busy_factor; /* less balancing by factor if busy */
unsigned int imbalance_pct; /* No balance until over watermark */
unsigned int cache_nice_tries; /* Leave cache hot tasks for # tries */
- unsigned int busy_idx;
- unsigned int idle_idx;
- unsigned int newidle_idx;
- unsigned int wake_idx;
- unsigned int forkexec_idx;
int nohz_idle; /* NOHZ IDLE status */
int flags; /* See SD_* */
diff --git a/kernel/sched/debug.c b/kernel/sched/debug.c
index c2eeaa44b274..4d91c8e41962 100644
--- a/kernel/sched/debug.c
+++ b/kernel/sched/debug.c
@@ -251,25 +251,20 @@ set_table_entry(struct ctl_table *entry,
static struct ctl_table *
sd_alloc_ctl_domain_table(struct sched_domain *sd)
{
- struct ctl_table *table = sd_alloc_ctl_entry(14);
+ struct ctl_table *table = sd_alloc_ctl_entry(9);
if (table == NULL)
return NULL;
- set_table_entry(&table[0], "min_interval", &sd->min_interval, sizeof(long), 0644, proc_doulongvec_minmax);
- set_table_entry(&table[1], "max_interval", &sd->max_interval, sizeof(long), 0644, proc_doulongvec_minmax);
- set_table_entry(&table[2], "busy_idx", &sd->busy_idx, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[3], "idle_idx", &sd->idle_idx, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[4], "newidle_idx", &sd->newidle_idx, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[5], "wake_idx", &sd->wake_idx, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[6], "forkexec_idx", &sd->forkexec_idx, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[7], "busy_factor", &sd->busy_factor, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[8], "imbalance_pct", &sd->imbalance_pct, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[9], "cache_nice_tries", &sd->cache_nice_tries, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[10], "flags", &sd->flags, sizeof(int), 0644, proc_dointvec_minmax);
- set_table_entry(&table[11], "max_newidle_lb_cost", &sd->max_newidle_lb_cost, sizeof(long), 0644, proc_doulongvec_minmax);
- set_table_entry(&table[12], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring);
- /* &table[13] is terminator */
+ set_table_entry(&table[0], "min_interval", &sd->min_interval, sizeof(long), 0644, proc_doulongvec_minmax);
+ set_table_entry(&table[1], "max_interval", &sd->max_interval, sizeof(long), 0644, proc_doulongvec_minmax);
+ set_table_entry(&table[2], "busy_factor", &sd->busy_factor, sizeof(int), 0644, proc_dointvec_minmax);
+ set_table_entry(&table[3], "imbalance_pct", &sd->imbalance_pct, sizeof(int), 0644, proc_dointvec_minmax);
+ set_table_entry(&table[4], "cache_nice_tries", &sd->cache_nice_tries, sizeof(int), 0644, proc_dointvec_minmax);
+ set_table_entry(&table[5], "flags", &sd->flags, sizeof(int), 0644, proc_dointvec_minmax);
+ set_table_entry(&table[6], "max_newidle_lb_cost", &sd->max_newidle_lb_cost, sizeof(long), 0644, proc_doulongvec_minmax);
+ set_table_entry(&table[7], "name", sd->name, CORENAME_MAX_SIZE, 0444, proc_dostring);
+ /* &table[8] is terminator */
return table;
}
diff --git a/kernel/sched/topology.c b/kernel/sched/topology.c
index f53f89df837d..63184cf0d0d7 100644
--- a/kernel/sched/topology.c
+++ b/kernel/sched/topology.c
@@ -1344,11 +1344,6 @@ sd_init(struct sched_domain_topology_level *tl,
.imbalance_pct = 125,
.cache_nice_tries = 0,
- .busy_idx = 0,
- .idle_idx = 0,
- .newidle_idx = 0,
- .wake_idx = 0,
- .forkexec_idx = 0,
.flags = 1*SD_LOAD_BALANCE
| 1*SD_BALANCE_NEWIDLE
@@ -1400,13 +1395,10 @@ sd_init(struct sched_domain_topology_level *tl,
} else if (sd->flags & SD_SHARE_PKG_RESOURCES) {
sd->imbalance_pct = 117;
sd->cache_nice_tries = 1;
- sd->busy_idx = 2;
#ifdef CONFIG_NUMA
} else if (sd->flags & SD_NUMA) {
sd->cache_nice_tries = 2;
- sd->busy_idx = 3;
- sd->idle_idx = 2;
sd->flags &= ~SD_PREFER_SIBLING;
sd->flags |= SD_SERIALIZE;
@@ -1419,8 +1411,6 @@ sd_init(struct sched_domain_topology_level *tl,
#endif
} else {
sd->cache_nice_tries = 1;
- sd->busy_idx = 2;
- sd->idle_idx = 1;
}
/*
--
2.17.1
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