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add distro
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Cheng Jian
+106
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@@ -27,6 +27,8 @@
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| TCP-RT功能的配置说明 | Alibaba Cloud Linux 2在内核版本kernel-4.19.91-21.al7开始支持TCP层的服务监控功能(TCP-RT). |
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# 1 SCHED_SLI
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-------
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@@ -103,8 +105,20 @@ c75529800bf2 alinux: sched: Introduce per-cgroup steal accounting
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```cpp
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1bd8a72b1181 alinux: psi: using cpuacct_cgrp_id under CONFIG_CGROUP_CPUACCT
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1f49a7385032 alinux: psi: Support PSI under cgroup v1
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dc159a61c043 alinux: introduce psi_v1 boot parameter
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1f49a7385032 alinux: psi: Support PSI under cgroup v1
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```
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# MEMSLI
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-------
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```cpp
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echo 1 > /proc/memsli/enabled
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mount -t tmpfs cgroup_root /sys/fs/cgroup
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mkdir -p /sys/fs/cgroup/memory
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mount -t cgroup -o memory memory /sys/fs/cgroup/memory
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```
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# 2 Scheduler
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@@ -134,4 +148,95 @@ a0b0376bdbdc alinux: sched: Add document for burstable CFS bandwidth control
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739156b53e75 alinux: sched: Make CFS bandwidth controller burstable
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d9ba6d0880e3 alinux: sched: Introduce primitives for CFS bandwidth burst
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9d168f216486 alinux: sched: Defend cfs and rt bandwidth against overflow
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```
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# 3 MEMORY
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-------
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```cpp
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49c322d5e62e alinux: mm: Fix the vma merge warning
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9eb3033b5452 alinux: meminfo: Add meminfo support for rich container
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3bac8a607ab0 alinux: nitro_enclaves: Split mmio region and increase EIF_LOAD_OFFSET
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59cec5300f4d alinux: mm: bring back unevictable.o in obj-y
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b91b37989d2f alinux: mm: make the swap throttle more accurate
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737b01dfdb63 alinux: mm: fix an global-out-of-bounds in __do_proc_doulongvec_minmax
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f5ac90f84be8 alinux: mm: add an interface to adjust the penalty time dynamically
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f8a6ae902811 alinux: mm: support swap.high for cgroup v1
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7ba445112d91 alinux: configs: Enable SM2 asymmetric algorithm
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a7e3c096fa8a alinux: tcp_rt module: fix bug of using vfree to release the memory obtained by kmalloc
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fc8d2968d054 alinux: arm64: adjust tk_core memory layout
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b893a7d56134 alinux: mm: completely disable swapout with negative swappiness
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05f6ed402562 alinux: introduce deferred_meminit boot parameter
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56a432f556a5 alinux: mm: thp: add fast_cow switch
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587136851af8 alinux: mm: fix undefined reference to printk_ratelimit_state
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79e7c57a1833 alinux: mm: fix undefined reference to mlock_fixup
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a42290726450 alinux: Limit the print message frequency when memcg oom triggers
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8962f1257a40 alinux: mm: restrict the print message frequency further when memcg oom triggers
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b725e2580207 alinux: Revert "mm/compaction.c: clear total_{migrate,free}_scanned before scanning a new zone"
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7d6cb94f148e alinux: mm: Pin code section of process in memory
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3d5ca29dd634 alinux: mm, memcg: optimize division operation with memsli counters
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055ed63be9b6 alinux: mm, memcg: rework memsli interfaces
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9e58d704f63a alinux: mm, memcg: add kconfig MEMSLI
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892970b760e2 alinux: mm, memcg: add memsli procfs switch interface
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77663a9d54da alinux: mm, memcg: gather memsli/exstat from all possible cpus
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6c4e1cc32b45 alinux: mm, memcg: account throttle over memory.high for memcg direct reclaim
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ddfd4d5e8f76 alinux: mm, memcg: record latency of swapout and swapin in every memcg
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390710798062 alinux: mm, memcg: account reclaim_high for memcg direct reclaim
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fe673ccf92aa alinux: mm, memcg: adjust the latency probe point for memcg direct reclaim
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837e53abb954 alinux: mm, memcg: rework memory latency histogram interfaces
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4bec5cfe97cf alinux: mm, memcg: record latency of direct compact in every memcg
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83058e75601e alinux: mm, memcg: record latency of direct reclaim in every memcg
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b37fe7db34f4 alinux: mm, memcg: optimize division operation with memcg counters
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27393b9b965a alinux: mm, memcg: export workingset counters on memcg v1
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ec661706b1c9 alinux: mm, memcg: abort priority oom if with oom victim
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2061acd6c236 alinux: mm, memcg: account number of processes in the css
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fb4c5ea64934 alinux: mm, memcg: fix soft lockup in priority oom
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40969475355a alinux: mm, memcg: record latency of memcg wmark reclaim
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```cpp
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5028e358bcd4 alinux: mm: oom_kill: show killed task's cgroup info in global oom
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7d41295cc97f alinux: mm: memcontrol: enable oom.group on cgroup-v1
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0c8648d9554d alinux: doc: alibaba: Add priority oom descriptions
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52e375fcb7a7 alinux: mm: memcontrol: introduce memcg priority oom
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```
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```cpp
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ef467b9ddbc0 alinux: memcg: Account throttled time due to memory.wmark_min_adj
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60be0f545fac alinux: memcg: Introduce memory.wmark_min_adj
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63442ea9f838 alinux: memcg: Provide users the ability to reap zombie memcgs
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9ea9e641c56a alinux: mm: remove unused variable
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25f9e572a7da alinux: mm: kidled: fix frame-larger-than build warning
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```
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83cd9d23197d alinux: jbd2: track slow handle which is preventing transaction committing
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```cpp
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3e655c51650c alinux: mm,memcg: export memory.{min,low} to cgroup v1
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942855175c77 alinux: mm,memcg: export memory.{events,events.local} to v1
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7d36553bd29d alinux: mm,memcg: export memory.high to v1
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3c40972a47a6 alinux: mm: memcontrol: memcg_wmark_wq can be static
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dff2d64b00bc alinux: mm/thp: remove unused variable 'pgdata' in split_huge_page_to_list()
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e6ca020bc338 alinux: mm: thp: move deferred split queue to memcg's nodeinfo
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a29243e2e890 alinux: mm: Support kidled
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bbaee3afa992 alinux: mm: memcontrol: make distance between wmark_low and wmark_high configurable
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c69c12cc10ba alinux: mm: vmscan: make memcg kswapd set memcg state to dirty or writeback
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6332d4e3580b alinux: mm: memcontrol: treat memcg wmark reclaim work as kswapd
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0149d7b9a6ab alinux: mm: memcontrol: add background reclaim support for cgroupv2
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6967792f8d41 alinux: mm: memcontrol: support background async page reclaim
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49a3b46525f3 alinux: mm: vmscan: make it sane reclaim if cgwb_v1 is enabled
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2ced6afdefa9 alinux: mm, memcg: fix possible soft lockup in try_charge
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cc00f21eb912 alinux: memcg: Point wb to root memcg/blkcg when offlining to avoid zombie
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2307342e80bc alinux: writeback: memcg_blkcg_tree_lock can be static
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665e22e9ec59 alinux: writeback: add debug info for memcg-blkcg link
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7396367dbfa2 alinux: writeback: add memcg_blkcg_link tree
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```
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```cpp
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2e38a0f2950e alinux: mm: add proc interface to control context readahead
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10be0b372cac readahead: introduce context readahead algorithm
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```
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@@ -695,8 +695,8 @@ NUMA 机器一个重要特性就是不同 node 之间的内存访问速度有差
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在 Vincent 进行重构的基础上, Mel Gorman 也进行了 NUMA Balancing 的重构和修正 [Reconcile NUMA balancing decisions with the load balancer](https://lore.kernel.org/patchwork/cover/1199507).
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| 时间 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:----:|:----:|:---:|:------:|:---:|
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| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:----:|:----:|:---:|:---:|:----------:|:----:|
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| 2019/10/18 | Mel Gorman | [Reconcile NUMA balancing decisions with the load balancer](https://linuxplumbersconf.org/event/4/contributions/480) | NUMA Balancing 和 Load Blance 经常会做出一些相互冲突的决策(任务放置和页面迁移), 导致不必要的迁移, 这组补丁减少了冲突 | v4 ☑ | [LWN](https://lwn.net/Articles/793427), [PatchWork](https://lore.kernel.org/patchwork/cover/1199507), [lkml](https://lkml.org/lkml/2019/10/18/676) |
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| 2020/2/21 | Vincent Guittot | [remove runnable_load_avg and improve group_classify](https://lore.kernel.org/patchwork/cover/1198654) | 重构组调度的 PELT 跟踪, 在每次更新平均负载的时候, 更新整个 CFS_RQ 的平均负载| V10 ☑ 5.7 | [PatchWork](https://lore.kernel.org/patchwork/cover/1198654), [lkml](https://lkml.org/lkml/2020/2/21/1386) |
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| 2020/02/03 | Mel Gorman | [Accumulated fixes for Load/NUMA Balancing reconcilation series](https://lore.kernel.org/patchwork/cover/1203922) | 解决一个负载平衡问题 | | [PatchWork](https://lore.kernel.org/patchwork/cover/1203922) |
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@@ -705,10 +705,10 @@ NUMA 机器一个重要特性就是不同 node 之间的内存访问速度有差
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此外 load_balance 上还有一些接口层次的变化
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| 时间 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:----:|:----:|:---:|:------:|:---:|
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| 2020/03/11 | [sched: Streamline select_task_rq() & select_task_rq_fair()](https://lore.kernel.org/patchwork/patch/1208449) | 选核流程上的重构和优化, 当然除此之外还做了其他操作, 比如清理了 sd->flags 信息, 甚至 sysfs 接口都变成只读了 | | |
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| 2020/03/11 | [sched: Instrument sched domain flags](https://lore.kernel.org/patchwork/cover/1208463) | 基于上一组补丁, 重构了 SD_FLAGS 的定义 | | |
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| 时间 | 作者 | 特性 | 描述 | 是否合入主线 | 链接 |
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|:----:|:----:|:---:|:---:|:----------:|:----:|
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| 2020/03/11 | Valentin Schneider <valentin.schneider@arm.com> | [sched: Streamline select_task_rq() & select_task_rq_fair()](https://lore.kernel.org/patchwork/patch/1208449) | 选核流程上的重构和优化, 当然除此之外还做了其他操作, 比如清理了 sd->flags 信息, 甚至 sysfs 接口都变成只读了 | | |
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| 2020/03/11 | Valentin Schneider <valentin.schneider@arm.com> | [sched: Instrument sched domain flags](https://lore.kernel.org/patchwork/cover/1208463) | 基于上一组补丁, 重构了 SD_FLAGS 的定义 | v4 ☑ 5.10-rc1 | |
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## 1.5.4 load_balance 的其他优化
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-------
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