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Diffstat (limited to 'kernel/sysctl.c')
-rw-r--r--kernel/sysctl.c266
1 files changed, 257 insertions, 9 deletions
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 11783ed47dd3..574316f1c344 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -130,6 +130,9 @@ static int one_hundred = 100;
#ifdef CONFIG_PRINTK
static int ten_thousand = 10000;
#endif
+#ifdef CONFIG_SCHED_HMP
+static int one_thousand = 1000;
+#endif
/* this is needed for the proc_doulongvec_minmax of vm_dirty_bytes */
static unsigned long dirty_bytes_min = 2 * PAGE_SIZE;
@@ -285,6 +288,207 @@ static struct ctl_table kern_table[] = {
.mode = 0644,
.proc_handler = proc_dointvec,
},
+ {
+ .procname = "sched_wake_to_idle",
+ .data = &sysctl_sched_wake_to_idle,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+#ifdef CONFIG_SCHED_HMP
+ {
+ .procname = "sched_freq_reporting_policy",
+ .data = &sysctl_sched_freq_reporting_policy,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ },
+ {
+ .procname = "sched_freq_inc_notify",
+ .data = &sysctl_sched_freq_inc_notify,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ },
+ {
+ .procname = "sched_freq_dec_notify",
+ .data = &sysctl_sched_freq_dec_notify,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ },
+ {
+ .procname = "sched_cpu_high_irqload",
+ .data = &sysctl_sched_cpu_high_irqload,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "sched_ravg_hist_size",
+ .data = &sysctl_sched_ravg_hist_size,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_window_update_handler,
+ },
+ {
+ .procname = "sched_window_stats_policy",
+ .data = &sysctl_sched_window_stats_policy,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_window_update_handler,
+ },
+ {
+ .procname = "sched_spill_load",
+ .data = &sysctl_sched_spill_load_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+ {
+ .procname = "sched_spill_nr_run",
+ .data = &sysctl_sched_spill_nr_run,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ },
+ {
+ .procname = "sched_upmigrate",
+ .data = &sysctl_sched_upmigrate_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+ {
+ .procname = "sched_downmigrate",
+ .data = &sysctl_sched_downmigrate_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+ {
+ .procname = "sched_init_task_load",
+ .data = &sysctl_sched_init_task_load_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+ {
+ .procname = "sched_select_prev_cpu_us",
+ .data = &sysctl_sched_select_prev_cpu_us,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ },
+ {
+ .procname = "sched_enable_colocation",
+ .data = &sysctl_sched_enable_colocation,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
+ {
+ .procname = "sched_restrict_cluster_spill",
+ .data = &sysctl_sched_restrict_cluster_spill,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
+ {
+ .procname = "sched_small_wakee_task_load",
+ .data = &sysctl_sched_small_wakee_task_load_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+ {
+ .procname = "sched_big_waker_task_load",
+ .data = &sysctl_sched_big_waker_task_load_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+ {
+ .procname = "sched_prefer_sync_wakee_to_waker",
+ .data = &sysctl_sched_prefer_sync_wakee_to_waker,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ .extra2 = &one,
+ },
+ {
+ .procname = "sched_enable_thread_grouping",
+ .data = &sysctl_sched_enable_thread_grouping,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec,
+ },
+ {
+ .procname = "sched_new_task_windows",
+ .data = &sysctl_sched_new_task_windows,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_window_update_handler,
+ },
+ {
+ .procname = "sched_pred_alert_freq",
+ .data = &sysctl_sched_pred_alert_freq,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ .extra1 = &zero,
+ },
+ {
+ .procname = "sched_freq_aggregate",
+ .data = &sysctl_sched_freq_aggregate,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_window_update_handler,
+ },
+ {
+ .procname = "sched_freq_aggregate_threshold",
+ .data = &sysctl_sched_freq_aggregate_threshold_pct,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_hmp_proc_update_handler,
+ .extra1 = &zero,
+ /*
+ * Special handling for sched_freq_aggregate_threshold_pct
+ * which can be greater than 100. Use 1000 as an upper bound
+ * value which works for all practical use cases.
+ */
+ .extra2 = &one_thousand,
+ },
+ {
+ .procname = "sched_boost",
+ .data = &sysctl_sched_boost,
+ .maxlen = sizeof(unsigned int),
+ .mode = 0644,
+ .proc_handler = sched_boost_handler,
+ },
+#endif /* CONFIG_SCHED_HMP */
#ifdef CONFIG_SCHED_DEBUG
{
.procname = "sched_min_granularity_ns",
@@ -435,6 +639,21 @@ static struct ctl_table kern_table[] = {
.extra1 = &one,
},
#endif
+#ifdef CONFIG_SCHED_TUNE
+ {
+ .procname = "sched_cfs_boost",
+ .data = &sysctl_sched_cfs_boost,
+ .maxlen = sizeof(sysctl_sched_cfs_boost),
+#ifdef CONFIG_CGROUP_SCHEDTUNE
+ .mode = 0444,
+#else
+ .mode = 0644,
+#endif
+ .proc_handler = &sysctl_sched_cfs_boost_handler,
+ .extra1 = &zero,
+ .extra2 = &one_hundred,
+ },
+#endif
#ifdef CONFIG_PROVE_LOCKING
{
.procname = "prove_locking",
@@ -1173,6 +1392,27 @@ static struct ctl_table kern_table[] = {
.extra2 = &one,
},
#endif
+#if defined(CONFIG_ARM) || defined(CONFIG_ARM64)
+ {
+ .procname = "boot_reason",
+ .data = &boot_reason,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+
+ {
+ .procname = "cold_boot",
+ .data = &cold_boot,
+ .maxlen = sizeof(int),
+ .mode = 0444,
+ .proc_handler = proc_dointvec,
+ },
+#endif
+/*
+ * NOTE: do not add new entries to this table unless you have read
+ * Documentation/sysctl/ctl_unnumbered.txt
+ */
{ }
};
@@ -1599,6 +1839,22 @@ static struct ctl_table vm_table[] = {
.extra2 = (void *)&mmap_rnd_compat_bits_max,
},
#endif
+#ifdef CONFIG_SWAP
+ {
+ .procname = "swap_ratio",
+ .data = &sysctl_swap_ratio,
+ .maxlen = sizeof(sysctl_swap_ratio),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+ {
+ .procname = "swap_ratio_enable",
+ .data = &sysctl_swap_ratio_enable,
+ .maxlen = sizeof(sysctl_swap_ratio_enable),
+ .mode = 0644,
+ .proc_handler = proc_dointvec_minmax,
+ },
+#endif
{ }
};
@@ -2060,15 +2316,7 @@ static int do_proc_dointvec_conv(bool *negp, unsigned long *lvalp,
int write, void *data)
{
if (write) {
- if (*negp) {
- if (*lvalp > (unsigned long) INT_MAX + 1)
- return -EINVAL;
- *valp = -*lvalp;
- } else {
- if (*lvalp > (unsigned long) INT_MAX)
- return -EINVAL;
- *valp = *lvalp;
- }
+ *valp = *negp ? -*lvalp : *lvalp;
} else {
int val = *valp;
if (val < 0) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-10-23 07:19:55 +0000