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tuned-2.18.0-rhel-8-profiles.patch 2.88 KB
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SuperSix173 提交于 2024-01-25 11:52 . upgrade to 2.21.0
diff --git a/profiles/latency-performance/tuned.conf b/profiles/latency-performance/tuned.conf
index d200b5c..877229f 100644
--- a/profiles/latency-performance/tuned.conf
+++ b/profiles/latency-performance/tuned.conf
@@ -32,3 +32,16 @@ vm.dirty_background_ratio=3
# 100 tells the kernel to aggressively swap processes out of physical memory
# and move them to swap cache
vm.swappiness=10
+
+[scheduler]
+# ktune sysctl settings for rhel6 servers, maximizing i/o throughput
+#
+# Minimal preemption granularity for CPU-bound tasks:
+# (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds)
+sched_min_granularity_ns = 3000000
+sched_wakeup_granularity_ns = 4000000
+
+# The total time the scheduler will consider a migrated process
+# "cache hot" and thus less likely to be re-migrated
+# (system default is 500000, i.e. 0.5 ms)
+sched_migration_cost_ns = 5000000
diff --git a/profiles/sap-hana/tuned.conf b/profiles/sap-hana/tuned.conf
index aeecf53..8dcee57 100644
--- a/profiles/sap-hana/tuned.conf
+++ b/profiles/sap-hana/tuned.conf
@@ -20,3 +20,7 @@ kernel.numa_balancing = 0
vm.dirty_ratio = 40
vm.dirty_background_ratio = 10
vm.swappiness = 10
+
+[scheduler]
+sched_min_granularity_ns = 3000000
+sched_wakeup_granularity_ns = 4000000
diff --git a/profiles/throughput-performance/tuned.conf b/profiles/throughput-performance/tuned.conf
index 98c6b26..ebb3f7d 100644
--- a/profiles/throughput-performance/tuned.conf
+++ b/profiles/throughput-performance/tuned.conf
@@ -58,9 +58,31 @@ vm.dirty_background_ratio = 10
# on older kernels
net.core.somaxconn=>2048
+[scheduler]
+# ktune sysctl settings for rhel6 servers, maximizing i/o throughput
+#
+# Minimal preemption granularity for CPU-bound tasks:
+# (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds)
+sched_min_granularity_ns = 10000000
+
+# SCHED_OTHER wake-up granularity.
+# (default: 1 msec# (1 + ilog(ncpus)), units: nanoseconds)
+#
+# This option delays the preemption effects of decoupled workloads
+# and reduces their over-scheduling. Synchronous workloads will still
+# have immediate wakeup/sleep latencies.
+sched_wakeup_granularity_ns = 15000000
+
# Marvell ThunderX
[sysctl.thunderx]
type=sysctl
uname_regex=aarch64
cpuinfo_regex=${thunderx_cpuinfo_regex}
kernel.numa_balancing=0
+
+# AMD
+[scheduler.amd]
+type=scheduler
+uname_regex=x86_64
+cpuinfo_regex=${amd_cpuinfo_regex}
+sched_migration_cost_ns=5000000
diff --git a/profiles/virtual-host/tuned.conf b/profiles/virtual-host/tuned.conf
index 5301d9f..74a5fb0 100644
--- a/profiles/virtual-host/tuned.conf
+++ b/profiles/virtual-host/tuned.conf
@@ -14,3 +14,9 @@ vm.dirty_background_ratio = 5
[cpu]
# Setting C3 state sleep mode/power savings
force_latency=cstate.id_no_zero:3|70
+
+[scheduler]
+# The total time the scheduler will consider a migrated process
+# "cache hot" and thus less likely to be re-migrated
+# (system default is 500000, i.e. 0.5 ms)
+sched_migration_cost_ns = 5000000
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