Implement YAKT v17 tweaks in kernel sources

credits to: @NotZeetaa RedHat tytydraco KTweak kdrag0n Arter97 @darkhz
psndna88 · Jun 8, 2024 · d63218c · d63218c
1 parent 050545a
commit d63218c
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Showing 8 changed files with 12 additions and 12 deletions.
diff --git a/kernel/sched/autogroup.c b/kernel/sched/autogroup.c
@@ -5,7 +5,7 @@
 #include <linux/nospec.h>
 #include "sched.h"
 
-unsigned int __read_mostly sysctl_sched_autogroup_enabled = 1;
+unsigned int __read_mostly sysctl_sched_autogroup_enabled = 0;
 static struct autogroup autogroup_default;
 static atomic_t autogroup_seq_nr;
 

diff --git a/kernel/sched/cpufreq_schedutil.c b/kernel/sched/cpufreq_schedutil.c
@@ -1235,7 +1235,7 @@ static int sugov_init(struct cpufreq_policy *policy)
 
 	tunables->up_rate_limit_us = cpufreq_policy_transition_delay_us(policy);
 	tunables->down_rate_limit_us = cpufreq_policy_transition_delay_us(policy);
-	tunables->up_rate_limit_us = 500;
+	tunables->up_rate_limit_us = 10000;
 	tunables->down_rate_limit_us = 20000;
 	tunables->hispeed_load = DEFAULT_HISPEED_LOAD;
 	tunables->hispeed_freq = 0;

diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c
@@ -77,7 +77,7 @@ static unsigned int sched_nr_latency = 8;
  * After fork, child runs first. If set to 0 (default) then
  * parent will (try to) run first.
  */
-unsigned int sysctl_sched_child_runs_first __read_mostly = 0;
+unsigned int sysctl_sched_child_runs_first __read_mostly = 1;
 
 /*
  * SCHED_OTHER wake-up granularity.
@@ -88,10 +88,10 @@ unsigned int sysctl_sched_child_runs_first __read_mostly = 0;
  *
  * (default: 1 msec * (1 + ilog(ncpus)), units: nanoseconds)
  */
-unsigned int sysctl_sched_wakeup_granularity			= 3000000UL;
-static unsigned int normalized_sysctl_sched_wakeup_granularity	= 3000000UL;
+unsigned int sysctl_sched_wakeup_granularity			= 1500000UL;
+static unsigned int normalized_sysctl_sched_wakeup_granularity	= 1500000UL;
 
-const_debug unsigned int sysctl_sched_migration_cost	= 500000UL;
+const_debug unsigned int sysctl_sched_migration_cost	= 50000UL;
 DEFINE_PER_CPU_READ_MOSTLY(int, sched_load_boost);
 
 /*

diff --git a/kernel/sysctl.c b/kernel/sysctl.c
@@ -363,7 +363,7 @@ static struct ctl_table sysctl_base_table[] = {
 	{ }
 };
 
-static int min_sched_granularity_ns = 100000;		/* 100 usecs */
+static int min_sched_granularity_ns = 1000000;		/* 100 usecs */
 static int max_sched_granularity_ns = NSEC_PER_SEC;	/* 1 second */
 static int min_wakeup_granularity_ns;			/* 0 usecs */
 static int max_wakeup_granularity_ns = NSEC_PER_SEC;	/* 1 second */

diff --git a/mm/page_alloc.c b/mm/page_alloc.c
@@ -337,7 +337,7 @@ int user_min_free_kbytes = -1;
  */
 int watermark_boost_factor __read_mostly;
 #else
-int watermark_boost_factor __read_mostly = 0;
+int watermark_boost_factor __read_mostly = 15000;
 #endif
 int watermark_scale_factor = 10;
 

diff --git a/mm/vmscan.c b/mm/vmscan.c
@@ -196,7 +196,7 @@ int kswapd_threads_current = DEF_KSWAPD_THREADS_PER_NODE;
 /*
  * From 0 .. 200.  Higher means more swappy.
  */
-int vm_swappiness = 100;
+int vm_swappiness = 60;
 /*
  * The total number of pages which are beyond the high watermark within all
  * zones.
@@ -4100,7 +4100,7 @@ static bool age_lruvec(struct lruvec *lruvec, struct scan_control *sc, unsigned
 }
 
 /* to protect the working set of the last N jiffies */
-static unsigned long lru_gen_min_ttl __read_mostly = 1250; //5000ms @ CONFIG_HZ=250
+static unsigned long lru_gen_min_ttl __read_mostly = 5000;
 
 static void lru_gen_age_node(struct pglist_data *pgdat, struct scan_control *sc)
 {

diff --git a/mm/vmstat.c b/mm/vmstat.c
@@ -1757,7 +1757,7 @@ static const struct seq_operations vmstat_op = {
 #ifdef CONFIG_SMP
 static DEFINE_PER_CPU(struct delayed_work, vmstat_work);
 /*xiaomi modify to 10s */
-int sysctl_stat_interval __read_mostly = 10*HZ;
+int sysctl_stat_interval __read_mostly = 30*HZ;
 
 #ifdef CONFIG_PROC_FS
 static void refresh_vm_stats(struct work_struct *work)

diff --git a/net/ipv4/tcp_ipv4.c b/net/ipv4/tcp_ipv4.c
@@ -2726,7 +2726,7 @@ static int __net_init tcp_sk_init(struct net *net)
 	net->ipv4.sysctl_max_syn_backlog = max(128, cnt / 128);
 	net->ipv4.sysctl_tcp_sack = 1;
 	net->ipv4.sysctl_tcp_window_scaling = 1;
-	net->ipv4.sysctl_tcp_timestamps = 1;
+	net->ipv4.sysctl_tcp_timestamps = 0;
 	net->ipv4.sysctl_tcp_early_retrans = 3;
 	net->ipv4.sysctl_tcp_recovery = TCP_RACK_LOSS_DETECTION;
 	net->ipv4.sysctl_tcp_slow_start_after_idle = 1; /* By default, RFC2861 behavior.  */