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[c/azure,1/1] UBUNTU: [Config] linux-azure: CONFIG_NO_HZ_FULL=y

Message ID 20190228214845.18973-2-marcelo.cerri@canonical.com
State New
Headers show
Series Add CONFIG_NO_HZ_FULL=y to linux-azure kernels | expand

Commit Message

Marcelo Henrique Cerri Feb. 28, 2019, 9:48 p.m. UTC 
BugLink: http://bugs.launchpad.net/bugs/1818138

Signed-off-by: Marcelo Henrique Cerri <marcelo.cerri@canonical.com>
---
 debian.azure/config/annotations          |  6 +++---
 debian.azure/config/config.common.ubuntu | 11 +++++++----
 2 files changed, 10 insertions(+), 7 deletions(-)
diff mbox series

Patch

diff --git a/debian.azure/config/annotations b/debian.azure/config/annotations
index 33994e1f8e96..6dca31115591 100644
--- a/debian.azure/config/annotations
+++ b/debian.azure/config/annotations
@@ -9401,10 +9401,10 @@  CONFIG_HIGH_RES_TIMERS                          policy<{'amd64': 'y', 'arm64': '
 
 # Menu: General setup >> Timers subsystem >> Timer tick handling
 CONFIG_HZ_PERIODIC                              policy<{'amd64': 'n', 'arm64': 'n', 'armhf': 'n', 'i386': 'n', 'ppc64el': 'n', 's390x': 'n'}>
-CONFIG_NO_HZ_IDLE                               policy<{'amd64': 'y', 'arm64': 'y', 'armhf': 'y', 'i386': 'y', 'ppc64el': 'y', 's390x': 'y'}>
-CONFIG_NO_HZ_FULL                               policy<{'amd64': 'n', 'arm64': 'n', 'armhf': 'n', 'ppc64el': 'n'}>
+CONFIG_NO_HZ_IDLE                               policy<{'amd64': 'n'}>
+CONFIG_NO_HZ_FULL                               policy<{'amd64': 'y'}>
 #
-CONFIG_NO_HZ_IDLE                               note<LP:1413968>
+CONFIG_NO_HZ_FULL                               note<LP:1818138> mark<ENFORCED> note<Azure reports 10% of performance increase on NVMe>
 
 # Menu: Kernel hacking
 CONFIG_MAGIC_SYSRQ                              policy<{'amd64': 'y', 'arm64': 'y', 'armhf': 'y', 'i386': 'y', 'ppc64el': 'y', 's390x': 'y'}>
diff --git a/debian.azure/config/config.common.ubuntu b/debian.azure/config/config.common.ubuntu
index cb039d4cdda6..f38dcc42fc9d 100644
--- a/debian.azure/config/config.common.ubuntu
+++ b/debian.azure/config/config.common.ubuntu
@@ -708,6 +708,8 @@  CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7
 CONFIG_CONSOLE_POLL=y
 CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_CONTEXT_SWITCH_TRACER=y
+CONFIG_CONTEXT_TRACKING=y
+# CONFIG_CONTEXT_TRACKING_FORCE is not set
 CONFIG_CORDIC=m
 CONFIG_COREDUMP=y
 CONFIG_CORE_DUMP_DEFAULT_ELF_HEADERS=y
@@ -3280,8 +3282,8 @@  CONFIG_NOZOMI=m
 CONFIG_NO_BOOTMEM=y
 CONFIG_NO_HZ=y
 CONFIG_NO_HZ_COMMON=y
-# CONFIG_NO_HZ_FULL is not set
-CONFIG_NO_HZ_IDLE=y
+CONFIG_NO_HZ_FULL=y
+# CONFIG_NO_HZ_IDLE is not set
 CONFIG_NR_CPUS=8192
 CONFIG_NR_CPUS_DEFAULT=8192
 CONFIG_NR_CPUS_RANGE_BEGIN=8192
@@ -3663,6 +3665,7 @@  CONFIG_RCU_CPU_STALL_TIMEOUT=60
 # CONFIG_RCU_EQS_DEBUG is not set
 # CONFIG_RCU_EXPERT is not set
 CONFIG_RCU_NEED_SEGCBLIST=y
+CONFIG_RCU_NOCB_CPU=y
 CONFIG_RCU_PERF_TEST=m
 CONFIG_RCU_STALL_COMMON=y
 # CONFIG_RCU_TORTURE_TEST is not set
@@ -4530,7 +4533,6 @@  CONFIG_THERMAL_WRITABLE_TRIPS=y
 CONFIG_THP_SWAP=y
 CONFIG_THREAD_INFO_IN_TASK=y
 # CONFIG_THUNDERBOLT is not set
-CONFIG_TICK_CPU_ACCOUNTING=y
 CONFIG_TICK_ONESHOT=y
 CONFIG_TIFM_7XX1=m
 CONFIG_TIFM_CORE=m
@@ -4671,7 +4673,8 @@  CONFIG_VIRTIO_PCI_LEGACY=y
 CONFIG_VIRTIO_VSOCKETS=m
 CONFIG_VIRTIO_VSOCKETS_COMMON=m
 CONFIG_VIRTUALIZATION=y
-# CONFIG_VIRT_CPU_ACCOUNTING_GEN is not set
+CONFIG_VIRT_CPU_ACCOUNTING=y
+CONFIG_VIRT_CPU_ACCOUNTING_GEN=y
 CONFIG_VIRT_DRIVERS=y
 CONFIG_VIRT_TO_BUS=y
 # CONFIG_VITESSE_PHY is not set