diff options
Diffstat (limited to 'SOURCES')
| -rw-r--r-- | SOURCES/0003-glitched-base.patch | 447 | ||||
| -rw-r--r-- | SOURCES/fsync.patch (renamed from SOURCES/0007-v5.8-fsync.patch) | 0 | ||||
| -rw-r--r-- | SOURCES/zen.patch | 308 |
3 files changed, 308 insertions, 447 deletions
diff --git a/SOURCES/0003-glitched-base.patch b/SOURCES/0003-glitched-base.patch deleted file mode 100644 index 60e1d44..0000000 --- a/SOURCES/0003-glitched-base.patch +++ /dev/null @@ -1,447 +0,0 @@ -From 43e519023ea4a79fc6a771bb9ebbb0cfe5fa39bc Mon Sep 17 00:00:00 2001 -From: Sentry <sentrycraft123@gmail.com> -Date: Sun, 12 Jul 2020 20:43:50 +0200 -Subject: [PATCH] glitched base - ---- - .../admin-guide/kernel-parameters.txt | 3 ++ - block/elevator.c | 6 ++-- - drivers/cpufreq/intel_pstate.c | 2 ++ - drivers/infiniband/core/addr.c | 1 + - drivers/tty/Kconfig | 13 ++++++++ - fs/dcache.c | 2 +- - include/linux/blkdev.h | 7 +++- - include/linux/compiler_types.h | 4 +++ - include/linux/mm.h | 5 ++- - include/uapi/linux/vt.h | 15 ++++++++- - init/Kconfig | 33 ++++++++++++++++++- - kernel/sched/core.c | 6 ++-- - kernel/sched/fair.c | 25 ++++++++++++++ - mm/huge_memory.c | 4 +++ - mm/page-writeback.c | 8 +++++ - mm/page_alloc.c | 2 +- - net/ipv4/Kconfig | 4 +++ - net/sched/Kconfig | 4 +++ - scripts/mkcompile_h | 4 +-- - scripts/setlocalversion | 2 +- - 20 files changed, 133 insertions(+), 17 deletions(-) - -diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt -index 7bc83f3d9..d31f0323c 100644 ---- a/Documentation/admin-guide/kernel-parameters.txt -+++ b/Documentation/admin-guide/kernel-parameters.txt -@@ -1826,6 +1826,9 @@ - disable - Do not enable intel_pstate as the default - scaling driver for the supported processors -+ enable -+ Enable intel_pstate in-case "disable" was passed -+ previously in the kernel boot parameters - passive - Use intel_pstate as a scaling driver, but configure it - to work with generic cpufreq governors (instead of -diff --git a/block/elevator.c b/block/elevator.c -index 4eab3d70e..79669aa39 100644 ---- a/block/elevator.c -+++ b/block/elevator.c -@@ -623,15 +623,15 @@ static inline bool elv_support_iosched(struct request_queue *q) - } - - /* -- * For single queue devices, default to using mq-deadline. If we have multiple -- * queues or mq-deadline is not available, default to "none". -+ * For single queue devices, default to using bfq. If we have multiple -+ * queues or bfq is not available, default to "none". - */ - static struct elevator_type *elevator_get_default(struct request_queue *q) - { - if (q->nr_hw_queues != 1) - return NULL; - -- return elevator_get(q, "mq-deadline", false); -+ return elevator_get(q, "bfq", false); - } - - /* -diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c -index 4d3429b20..8bf9e0adf 100644 ---- a/drivers/cpufreq/intel_pstate.c -+++ b/drivers/cpufreq/intel_pstate.c -@@ -2824,6 +2824,8 @@ static int __init intel_pstate_setup(char *str) - pr_info("HWP disabled\n"); - no_hwp = 1; - } -+ if (!strcmp(str, "enable")) -+ no_load = 0; - if (!strcmp(str, "force")) - force_load = 1; - if (!strcmp(str, "hwp_only")) -diff --git a/drivers/infiniband/core/addr.c b/drivers/infiniband/core/addr.c -index 1753a9801..184b30282 100644 ---- a/drivers/infiniband/core/addr.c -+++ b/drivers/infiniband/core/addr.c -@@ -816,6 +816,7 @@ int rdma_addr_find_l2_eth_by_grh(const union ib_gid *sgid, - union { - struct sockaddr_in _sockaddr_in; - struct sockaddr_in6 _sockaddr_in6; -+ struct sockaddr_ib _sockaddr_ib; - } sgid_addr, dgid_addr; - int ret; - -diff --git a/fs/dcache.c b/fs/dcache.c -index b280e07e1..74e90f940 100644 ---- a/fs/dcache.c -+++ b/fs/dcache.c -@@ -71,7 +71,7 @@ - * If no ancestor relationship: - * arbitrary, since it's serialized on rename_lock - */ --int sysctl_vfs_cache_pressure __read_mostly = 100; -+int sysctl_vfs_cache_pressure __read_mostly = 50; - EXPORT_SYMBOL_GPL(sysctl_vfs_cache_pressure); - - __cacheline_aligned_in_smp DEFINE_SEQLOCK(rename_lock); -diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h -index 32868fbed..f028c8070 100644 ---- a/include/linux/blkdev.h -+++ b/include/linux/blkdev.h -@@ -45,7 +45,11 @@ struct blk_queue_stats; - struct blk_stat_callback; - - #define BLKDEV_MIN_RQ 4 -+#ifdef CONFIG_ZENIFY -+#define BLKDEV_MAX_RQ 512 -+#else - #define BLKDEV_MAX_RQ 128 /* Default maximum */ -+#endif - - /* Must be consistent with blk_mq_poll_stats_bkt() */ - #define BLK_MQ_POLL_STATS_BKTS 16 -@@ -614,7 +618,8 @@ struct request_queue { - #define QUEUE_FLAG_RQ_ALLOC_TIME 27 /* record rq->alloc_time_ns */ - - #define QUEUE_FLAG_MQ_DEFAULT ((1 << QUEUE_FLAG_IO_STAT) | \ -- (1 << QUEUE_FLAG_SAME_COMP)) -+ (1 << QUEUE_FLAG_SAME_COMP) | \ -+ (1 << QUEUE_FLAG_SAME_FORCE)) - - void blk_queue_flag_set(unsigned int flag, struct request_queue *q); - void blk_queue_flag_clear(unsigned int flag, struct request_queue *q); -diff --git a/include/linux/compiler_types.h b/include/linux/compiler_types.h -index e970f97a7..f3aa9e6c4 100644 ---- a/include/linux/compiler_types.h -+++ b/include/linux/compiler_types.h -@@ -207,6 +207,10 @@ struct ftrace_likely_data { - # define __no_fgcse - #endif - -+#ifndef asm_volatile_goto -+#define asm_volatile_goto(x...) asm goto(x) -+#endif -+ - /* Are two types/vars the same type (ignoring qualifiers)? */ - #define __same_type(a, b) __builtin_types_compatible_p(typeof(a), typeof(b)) - -diff --git a/include/linux/mm.h b/include/linux/mm.h -index f3fe73718..8fb564dbb 100644 ---- a/include/linux/mm.h -+++ b/include/linux/mm.h -@@ -189,8 +189,7 @@ static inline void __mm_zero_struct_page(struct page *page) - * not a hard limit any more. Although some userspace tools can be surprised by - * that. - */ --#define MAPCOUNT_ELF_CORE_MARGIN (5) --#define DEFAULT_MAX_MAP_COUNT (USHRT_MAX - MAPCOUNT_ELF_CORE_MARGIN) -+#define DEFAULT_MAX_MAP_COUNT (262144) - - extern int sysctl_max_map_count; - -@@ -2613,7 +2612,7 @@ int __must_check write_one_page(struct page *page); - void task_dirty_inc(struct task_struct *tsk); - - /* readahead.c */ --#define VM_READAHEAD_PAGES (SZ_128K / PAGE_SIZE) -+#define VM_READAHEAD_PAGES (SZ_2M / PAGE_SIZE) - - int force_page_cache_readahead(struct address_space *mapping, struct file *filp, - pgoff_t offset, unsigned long nr_to_read); -diff --git a/init/Kconfig b/init/Kconfig -index 74a5ac656..bc63ba750 100644 ---- a/init/Kconfig -+++ b/init/Kconfig -@@ -61,6 +61,38 @@ config THREAD_INFO_IN_TASK - - menu "General setup" - -+config ZENIFY -+ bool "A selection of patches from Zen/Liquorix kernel and additional tweaks for a better gaming experience" -+ default y -+ help -+ Tunes the kernel for responsiveness at the cost of throughput and power usage. -+ -+ --- Virtual Memory Subsystem --------------------------- -+ -+ Mem dirty before bg writeback..: 10 % -> 20 % -+ Mem dirty before sync writeback: 20 % -> 50 % -+ -+ --- Block Layer ---------------------------------------- -+ -+ Queue depth...............: 128 -> 512 -+ Default MQ scheduler......: mq-deadline -> bfq -+ -+ --- CFS CPU Scheduler ---------------------------------- -+ -+ Scheduling latency.............: 6 -> 3 ms -+ Minimal granularity............: 0.75 -> 0.3 ms -+ Wakeup granularity.............: 1 -> 0.5 ms -+ CPU migration cost.............: 0.5 -> 0.25 ms -+ Bandwidth slice size...........: 5 -> 3 ms -+ Ondemand fine upscaling limit..: 95 % -> 85 % -+ -+ --- MuQSS CPU Scheduler -------------------------------- -+ -+ Scheduling interval............: 6 -> 3 ms -+ ISO task max realtime use......: 70 % -> 25 % -+ Ondemand coarse upscaling limit: 80 % -> 45 % -+ Ondemand fine upscaling limit..: 95 % -> 45 % -+ - config BROKEN - bool - -@@ -1240,7 +1272,6 @@ config CC_OPTIMIZE_FOR_PERFORMANCE - - config CC_OPTIMIZE_FOR_PERFORMANCE_O3 - bool "Optimize more for performance (-O3)" -- depends on ARC - help - Choosing this option will pass "-O3" to your compiler to optimize - the kernel yet more for performance. -diff --git a/kernel/sched/core.c b/kernel/sched/core.c -index 9a2fbf98f..630c93d66 100644 ---- a/kernel/sched/core.c -+++ b/kernel/sched/core.c -@@ -57,7 +57,7 @@ const_debug unsigned int sysctl_sched_features = - * Number of tasks to iterate in a single balance run. - * Limited because this is done with IRQs disabled. - */ --const_debug unsigned int sysctl_sched_nr_migrate = 32; -+const_debug unsigned int sysctl_sched_nr_migrate = 128; - - /* - * period over which we measure -rt task CPU usage in us. -@@ -69,9 +69,9 @@ __read_mostly int scheduler_running; - - /* - * part of the period that we allow rt tasks to run in us. -- * default: 0.95s -+ * XanMod default: 0.98s - */ --int sysctl_sched_rt_runtime = 950000; -+int sysctl_sched_rt_runtime = 980000; - - /* - * __task_rq_lock - lock the rq @p resides on. -diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c -index da3e5b547..0a8dc0e64 100644 ---- a/kernel/sched/fair.c -+++ b/kernel/sched/fair.c -@@ -37,8 +37,13 @@ - * - * (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds) - */ -+#ifdef CONFIG_ZENIFY -+unsigned int sysctl_sched_latency = 3000000ULL; -+static unsigned int normalized_sysctl_sched_latency = 3000000ULL; -+#else - unsigned int sysctl_sched_latency = 6000000ULL; - static unsigned int normalized_sysctl_sched_latency = 6000000ULL; -+#endif - - /* - * The initial- and re-scaling of tunables is configurable -@@ -58,13 +63,22 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_L - * - * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds) - */ -+#ifdef CONFIG_ZENIFY -+unsigned int sysctl_sched_min_granularity = 300000ULL; -+static unsigned int normalized_sysctl_sched_min_granularity = 300000ULL; -+#else - unsigned int sysctl_sched_min_granularity = 750000ULL; - static unsigned int normalized_sysctl_sched_min_granularity = 750000ULL; -+#endif - - /* - * This value is kept at sysctl_sched_latency/sysctl_sched_min_granularity - */ -+#ifdef CONFIG_ZENIFY -+static unsigned int sched_nr_latency = 10; -+#else - static unsigned int sched_nr_latency = 8; -+#endif - - /* - * After fork, child runs first. If set to 0 (default) then -@@ -81,10 +95,17 @@ unsigned int sysctl_sched_child_runs_first __read_mostly; - * - * (default: 1 msec * (1 + ilog(ncpus)), units: nanoseconds) - */ -+#ifdef CONFIG_ZENIFY -+unsigned int sysctl_sched_wakeup_granularity = 500000UL; -+static unsigned int normalized_sysctl_sched_wakeup_granularity = 500000UL; -+ -+const_debug unsigned int sysctl_sched_migration_cost = 50000UL; -+#else - unsigned int sysctl_sched_wakeup_granularity = 1000000UL; - static unsigned int normalized_sysctl_sched_wakeup_granularity = 1000000UL; - - const_debug unsigned int sysctl_sched_migration_cost = 500000UL; -+#endif - - int sched_thermal_decay_shift; - static int __init setup_sched_thermal_decay_shift(char *str) -@@ -128,8 +149,12 @@ int __weak arch_asym_cpu_priority(int cpu) - * - * (default: 5 msec, units: microseconds) - */ -+#ifdef CONFIG_ZENIFY -+unsigned int sysctl_sched_cfs_bandwidth_slice = 3000UL; -+#else - unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL; - #endif -+#endif - - static inline void update_load_add(struct load_weight *lw, unsigned long inc) - { -diff --git a/mm/huge_memory.c b/mm/huge_memory.c -index 6ecd10451..8a3bdff2c 100644 ---- a/mm/huge_memory.c -+++ b/mm/huge_memory.c -@@ -53,7 +53,11 @@ unsigned long transparent_hugepage_flags __read_mostly = - #ifdef CONFIG_TRANSPARENT_HUGEPAGE_MADVISE - (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)| - #endif -+#ifdef CONFIG_AVL_INTERACTIVE -+ (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG)| -+#else - (1<<TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG)| -+#endif - (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)| - (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG); - -diff --git a/mm/page-writeback.c b/mm/page-writeback.c -index 7326b54ab..7baec8caf 100644 ---- a/mm/page-writeback.c -+++ b/mm/page-writeback.c -@@ -71,7 +71,11 @@ static long ratelimit_pages = 32; - /* - * Start background writeback (via writeback threads) at this percentage - */ -+#ifdef CONFIG_ZENIFY -+int dirty_background_ratio = 20; -+#else - int dirty_background_ratio = 10; -+#endif - - /* - * dirty_background_bytes starts at 0 (disabled) so that it is a function of -@@ -88,7 +92,11 @@ int vm_highmem_is_dirtyable; - /* - * The generator of dirty data starts writeback at this percentage - */ -+#ifdef CONFIG_ZENIFY -+int vm_dirty_ratio = 50; -+#else - int vm_dirty_ratio = 20; -+#endif - - /* - * vm_dirty_bytes starts at 0 (disabled) so that it is a function of -diff --git a/mm/page_alloc.c b/mm/page_alloc.c -index 13cc65312..3e5325634 100644 ---- a/mm/page_alloc.c -+++ b/mm/page_alloc.c -@@ -329,7 +329,7 @@ int watermark_boost_factor __read_mostly; - #else - int watermark_boost_factor __read_mostly = 15000; - #endif --int watermark_scale_factor = 10; -+int watermark_scale_factor = 200; - - static unsigned long nr_kernel_pages __initdata; - static unsigned long nr_all_pages __initdata; -diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig -index 25a888882..888606f36 100644 ---- a/net/ipv4/Kconfig -+++ b/net/ipv4/Kconfig -@@ -688,6 +688,9 @@ choice - config DEFAULT_VEGAS - bool "Vegas" if TCP_CONG_VEGAS=y - -+ config DEFAULT_YEAH -+ bool "YeAH" if TCP_CONG_YEAH=y -+ - config DEFAULT_VENO - bool "Veno" if TCP_CONG_VENO=y - -@@ -721,6 +724,7 @@ config DEFAULT_TCP_CONG - default "htcp" if DEFAULT_HTCP - default "hybla" if DEFAULT_HYBLA - default "vegas" if DEFAULT_VEGAS -+ default "yeah" if DEFAULT_YEAH - default "westwood" if DEFAULT_WESTWOOD - default "veno" if DEFAULT_VENO - default "reno" if DEFAULT_RENO -diff --git a/net/sched/Kconfig b/net/sched/Kconfig -index bfbefb7bf..8fd074d54 100644 ---- a/net/sched/Kconfig -+++ b/net/sched/Kconfig -@@ -459,6 +459,9 @@ choice - Select the queueing discipline that will be used by default - for all network devices. - -+ config DEFAULT_CAKE -+ bool "Common Applications Kept Enhanced" if NET_SCH_CAKE -+ - config DEFAULT_FQ - bool "Fair Queue" if NET_SCH_FQ - -@@ -478,6 +481,7 @@ endchoice - config DEFAULT_NET_SCH - string - default "pfifo_fast" if DEFAULT_PFIFO_FAST -+ default "cake" if DEFAULT_CAKE - default "fq" if DEFAULT_FQ - default "fq_codel" if DEFAULT_FQ_CODEL - default "sfq" if DEFAULT_SFQ -diff --git a/scripts/mkcompile_h b/scripts/mkcompile_h -index 5b80a4699..a46ce3227 100755 ---- a/scripts/mkcompile_h -+++ b/scripts/mkcompile_h -@@ -41,8 +41,8 @@ else - fi - - UTS_VERSION="#$VERSION" --CONFIG_FLAGS="" --if [ -n "$SMP" ] ; then CONFIG_FLAGS="SMP"; fi -+CONFIG_FLAGS="TKG" -+if [ -n "$SMP" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS SMP"; fi - if [ -n "$PREEMPT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT"; fi - if [ -n "$PREEMPT_RT" ] ; then CONFIG_FLAGS="$CONFIG_FLAGS PREEMPT_RT"; fi - -diff --git a/scripts/setlocalversion b/scripts/setlocalversion -index 20f2efd57..0552d8b9f 100755 ---- a/scripts/setlocalversion -+++ b/scripts/setlocalversion -@@ -54,7 +54,7 @@ scm_version() - # If only the short version is requested, don't bother - # running further git commands - if $short; then -- echo "+" -+ # echo "+" - return - fi - # If we are past a tagged commit (like --- -2.26.2 - diff --git a/SOURCES/0007-v5.8-fsync.patch b/SOURCES/fsync.patch index 01c86d8..01c86d8 100644 --- a/SOURCES/0007-v5.8-fsync.patch +++ b/SOURCES/fsync.patch diff --git a/SOURCES/zen.patch b/SOURCES/zen.patch new file mode 100644 index 0000000..89c1934 --- /dev/null +++ b/SOURCES/zen.patch @@ -0,0 +1,308 @@ +From f85ed068b4d0e6c31edce8574a95757a60e58b87 Mon Sep 17 00:00:00 2001 +From: Etienne Juvigny <Ti3noU@gmail.com> +Date: Mon, 3 Sep 2018 17:36:25 +0200 +Subject: [PATCH 07/17] Zenify & stuff + +--- + init/Kconfig | 32 ++++++++++++++++++++++++++++++++ + kernel/sched/fair.c | 25 +++++++++++++++++++++++++ + mm/page-writeback.c | 8 ++++++++ + 3 files changed, 65 insertions(+) + +diff --git a/init/Kconfig b/init/Kconfig +index 3ae8678e1145..da708eed0f1e 100644 +--- a/init/Kconfig ++++ b/init/Kconfig +@@ -92,6 +92,38 @@ config THREAD_INFO_IN_TASK + + menu "General setup" + ++config ZENIFY ++ bool "A selection of patches from Zen/Liquorix kernel and additional tweaks for a better gaming experience" ++ default y ++ help ++ Tunes the kernel for responsiveness at the cost of throughput and power usage. ++ ++ --- Virtual Memory Subsystem --------------------------- ++ ++ Mem dirty before bg writeback..: 10 % -> 20 % ++ Mem dirty before sync writeback: 20 % -> 50 % ++ ++ --- Block Layer ---------------------------------------- ++ ++ Queue depth...............: 128 -> 512 ++ Default MQ scheduler......: mq-deadline -> bfq ++ ++ --- CFS CPU Scheduler ---------------------------------- ++ ++ Scheduling latency.............: 6 -> 3 ms ++ Minimal granularity............: 0.75 -> 0.3 ms ++ Wakeup granularity.............: 1 -> 0.5 ms ++ CPU migration cost.............: 0.5 -> 0.25 ms ++ Bandwidth slice size...........: 5 -> 3 ms ++ Ondemand fine upscaling limit..: 95 % -> 85 % ++ ++ --- MuQSS CPU Scheduler -------------------------------- ++ ++ Scheduling interval............: 6 -> 3 ms ++ ISO task max realtime use......: 70 % -> 25 % ++ Ondemand coarse upscaling limit: 80 % -> 45 % ++ Ondemand fine upscaling limit..: 95 % -> 45 % ++ + config BROKEN + bool + +diff --git a/kernel/sched/fair.c b/kernel/sched/fair.c +index 6b3b59cc51d6..2a0072192c3d 100644 +--- a/kernel/sched/fair.c ++++ b/kernel/sched/fair.c +@@ -37,8 +37,13 @@ + * + * (default: 6ms * (1 + ilog(ncpus)), units: nanoseconds) + */ ++#ifdef CONFIG_ZENIFY ++unsigned int sysctl_sched_latency = 3000000ULL; ++static unsigned int normalized_sysctl_sched_latency = 3000000ULL; ++#else + unsigned int sysctl_sched_latency = 6000000ULL; + static unsigned int normalized_sysctl_sched_latency = 6000000ULL; ++#endif + + /* + * The initial- and re-scaling of tunables is configurable +@@ -58,13 +63,22 @@ enum sched_tunable_scaling sysctl_sched_tunable_scaling = SCHED_TUNABLESCALING_L + * + * (default: 0.75 msec * (1 + ilog(ncpus)), units: nanoseconds) + */ ++#ifdef CONFIG_ZENIFY ++unsigned int sysctl_sched_min_granularity = 300000ULL; ++static unsigned int normalized_sysctl_sched_min_granularity = 300000ULL; ++#else + unsigned int sysctl_sched_min_granularity = 750000ULL; + static unsigned int normalized_sysctl_sched_min_granularity = 750000ULL; ++#endif + + /* + * This value is kept at sysctl_sched_latency/sysctl_sched_min_granularity + */ ++#ifdef CONFIG_ZENIFY ++static unsigned int sched_nr_latency = 10; ++#else + static unsigned int sched_nr_latency = 8; ++#endif + + /* + * After fork, child runs first. If set to 0 (default) then +@@ -81,10 +95,17 @@ unsigned int sysctl_sched_child_runs_first __read_mostly; + * + * (default: 1 msec * (1 + ilog(ncpus)), units: nanoseconds) + */ ++#ifdef CONFIG_ZENIFY ++unsigned int sysctl_sched_wakeup_granularity = 500000UL; ++static unsigned int normalized_sysctl_sched_wakeup_granularity = 500000UL; ++ ++const_debug unsigned int sysctl_sched_migration_cost = 50000UL; ++#else + unsigned int sysctl_sched_wakeup_granularity = 1000000UL; + static unsigned int normalized_sysctl_sched_wakeup_granularity = 1000000UL; + + const_debug unsigned int sysctl_sched_migration_cost = 500000UL; ++#endif + + int sched_thermal_decay_shift; + static int __init setup_sched_thermal_decay_shift(char *str) +@@ -128,8 +149,12 @@ int __weak arch_asym_cpu_priority(int cpu) + * + * (default: 5 msec, units: microseconds) + */ ++#ifdef CONFIG_ZENIFY ++unsigned int sysctl_sched_cfs_bandwidth_slice = 3000UL; ++#else + unsigned int sysctl_sched_cfs_bandwidth_slice = 5000UL; + #endif ++#endif + + static inline void update_load_add(struct load_weight *lw, unsigned long inc) + { +diff --git a/mm/page-writeback.c b/mm/page-writeback.c +index 28b3e7a67565..01a1aef2b9b1 100644 +--- a/mm/page-writeback.c ++++ b/mm/page-writeback.c +@@ -71,7 +71,11 @@ static long ratelimit_pages = 32; + /* + * Start background writeback (via writeback threads) at this percentage + */ ++#ifdef CONFIG_ZENIFY ++int dirty_background_ratio = 20; ++#else + int dirty_background_ratio = 10; ++#endif + + /* + * dirty_background_bytes starts at 0 (disabled) so that it is a function of +@@ -88,7 +92,11 @@ int vm_highmem_is_dirtyable; + /* + * The generator of dirty data starts writeback at this percentage + */ ++#ifdef CONFIG_ZENIFY ++int vm_dirty_ratio = 50; ++#else + int vm_dirty_ratio = 20; ++#endif + + /* + * vm_dirty_bytes starts at 0 (disabled) so that it is a function of +-- +2.28.0 + + +From e92e67143385cf285851e12aa8b7f083dd38dd24 Mon Sep 17 00:00:00 2001 +From: Steven Barrett <damentz@liquorix.net> +Date: Sun, 16 Jan 2011 18:57:32 -0600 +Subject: [PATCH 08/17] ZEN: Allow TCP YeAH as default congestion control + +4.4: In my tests YeAH dramatically slowed down transfers over a WLAN, + reducing throughput from ~65Mbps (CUBIC) to ~7MBps (YeAH) over 10 + seconds (netperf TCP_STREAM) including long stalls. + + Be careful when choosing this. ~heftig +--- + net/ipv4/Kconfig | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/net/ipv4/Kconfig b/net/ipv4/Kconfig +index e64e59b536d3..bfb55ef7ebbe 100644 +--- a/net/ipv4/Kconfig ++++ b/net/ipv4/Kconfig +@@ -691,6 +691,9 @@ choice + config DEFAULT_VEGAS + bool "Vegas" if TCP_CONG_VEGAS=y + ++ config DEFAULT_YEAH ++ bool "YeAH" if TCP_CONG_YEAH=y ++ + config DEFAULT_VENO + bool "Veno" if TCP_CONG_VENO=y + +@@ -724,6 +727,7 @@ config DEFAULT_TCP_CONG + default "htcp" if DEFAULT_HTCP + default "hybla" if DEFAULT_HYBLA + default "vegas" if DEFAULT_VEGAS ++ default "yeah" if DEFAULT_YEAH + default "westwood" if DEFAULT_WESTWOOD + default "veno" if DEFAULT_VENO + default "reno" if DEFAULT_RENO +-- +2.28.0 + + +From 76dbe7477bfde1b5e8bf29a71b5af7ab2be9b98e Mon Sep 17 00:00:00 2001 +From: Steven Barrett <steven@liquorix.net> +Date: Wed, 28 Nov 2018 19:01:27 -0600 +Subject: [PATCH 09/17] zen: Use [defer+madvise] as default khugepaged defrag + strategy + +For some reason, the default strategy to respond to THP fault fallbacks +is still just madvise, meaning stall if the program wants transparent +hugepages, but don't trigger a background reclaim / compaction if THP +begins to fail allocations. This creates a snowball affect where we +still use the THP code paths, but we almost always fail once a system +has been active and busy for a while. + +The option "defer" was created for interactive systems where THP can +still improve performance. If we have to fallback to a regular page due +to an allocation failure or anything else, we will trigger a background +reclaim and compaction so future THP attempts succeed and previous +attempts eventually have their smaller pages combined without stalling +running applications. + +We still want madvise to stall applications that explicitely want THP, +so defer+madvise _does_ make a ton of sense. Make it the default for +interactive systems, especially if the kernel maintainer left +transparent hugepages on "always". + +Reasoning and details in the original patch: https://lwn.net/Articles/711248/ +--- + mm/huge_memory.c | 4 ++++ + 1 file changed, 4 insertions(+) + +diff --git a/mm/huge_memory.c b/mm/huge_memory.c +index 74300e337c3c..9277f22c10a7 100644 +--- a/mm/huge_memory.c ++++ b/mm/huge_memory.c +@@ -53,7 +53,11 @@ unsigned long transparent_hugepage_flags __read_mostly = + #ifdef CONFIG_TRANSPARENT_HUGEPAGE_MADVISE + (1<<TRANSPARENT_HUGEPAGE_REQ_MADV_FLAG)| + #endif ++#ifdef CONFIG_ZENIFY ++ (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KSWAPD_OR_MADV_FLAG)| ++#else + (1<<TRANSPARENT_HUGEPAGE_DEFRAG_REQ_MADV_FLAG)| ++#endif + (1<<TRANSPARENT_HUGEPAGE_DEFRAG_KHUGEPAGED_FLAG)| + (1<<TRANSPARENT_HUGEPAGE_USE_ZERO_PAGE_FLAG); + +-- +2.28.0 + + +From 716f41cf6631f3a85834dcb67b4ce99185b6387f Mon Sep 17 00:00:00 2001 +From: Steven Barrett <steven@liquorix.net> +Date: Wed, 15 Jan 2020 20:43:56 -0600 +Subject: [PATCH 17/17] ZEN: intel-pstate: Implement "enable" parameter + +If intel-pstate is compiled into the kernel, it will preempt the loading +of acpi-cpufreq so you can take advantage of hardware p-states without +any friction. + +However, intel-pstate is not completely superior to cpufreq's ondemand +for one reason. There's no concept of an up_threshold property. + +In ondemand, up_threshold essentially reduces the maximum utilization to +compare against, allowing you to hit max frequencies and turbo boost +from a much lower core utilization. + +With intel-pstate, you have the concept of minimum and maximum +performance, but no tunable that lets you define, maximum frequency +means 50% core utilization. For just this oversight, there's reasons +you may want ondemand. + +Lets support setting "enable" in kernel boot parameters. This lets +kernel maintainers include "intel_pstate=disable" statically in the +static boot parameters, but let users of the kernel override this +selection. +--- + Documentation/admin-guide/kernel-parameters.txt | 3 +++ + drivers/cpufreq/intel_pstate.c | 2 ++ + 2 files changed, 5 insertions(+) + +diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt +index fb95fad81c79..3e92fee81e33 100644 +--- a/Documentation/admin-guide/kernel-parameters.txt ++++ b/Documentation/admin-guide/kernel-parameters.txt +@@ -1857,6 +1857,9 @@ + disable + Do not enable intel_pstate as the default + scaling driver for the supported processors ++ enable ++ Enable intel_pstate in-case "disable" was passed ++ previously in the kernel boot parameters + passive + Use intel_pstate as a scaling driver, but configure it + to work with generic cpufreq governors (instead of +diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c +index 36a469150ff9..aee891c9b78a 100644 +--- a/drivers/cpufreq/intel_pstate.c ++++ b/drivers/cpufreq/intel_pstate.c +@@ -2845,6 +2845,8 @@ static int __init intel_pstate_setup(char *str) + pr_info("HWP disabled\n"); + no_hwp = 1; + } ++ if (!strcmp(str, "enable")) ++ no_load = 0; + if (!strcmp(str, "force")) + force_load = 1; + if (!strcmp(str, "hwp_only")) +-- +2.28.0 + |