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Jim Harris bcff088852 scheduler/dynamic: don't adjust tsc too much for very busy cores 
If a core has a very high busy percentage, we should
not assume that moving a thread will gain that
thread's busy tsc as newly idle cycles for the
current core.

So if the current core's percentage is above
SCHEDULER_CORE_BUSY (95%), do not adjust the
current core's busy/idle tsc when moving a thread
off of it.  If moving the thread does actually
result in some newly idle tsc, it will get adjusted
next scheduling period.

Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I26a0282cd8f8e821809289b80c979cf94335353d

Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9581
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
2021-09-28 07:29:03 +00:00
..
accel_engine test/accel_engine: add more test cases 2021-09-01 07:34:02 +00:00
app nvme_fuzz: pass trid on command line only 2021-09-27 10:55:34 +00:00
bdev bdevperf: update the calculation of buffer content 2021-09-09 17:25:08 +00:00
blobfs event: Shift subsystem initialization code to a separate library 2021-05-24 10:12:50 +00:00
blobstore scheduler: Change main core frequency dynamically 2021-01-22 18:31:25 +00:00
common scheduler_dynamic: fix busy tsc accounting 2021-09-28 07:29:03 +00:00
compress test/nvmf: use recommended nvmf_create_subsystem rpc 2021-05-20 15:00:22 +00:00
config_converter scripts/config_converter: skip sections not present in legacy config 2021-01-15 08:32:10 +00:00
cpp_headers queue_extras: use SPDK_CONTAINEROF 2019-10-07 15:06:01 +00:00
dd autotest: Run dd tests under SPDK_TEST_URING 2021-05-20 15:15:33 +00:00
dma test/dma: Add functional test to verify DMA 2021-09-24 07:37:45 +00:00
dpdk_memory_utility check_format: Ignore shellcheck's SC2128 and SC2178 directives 2021-06-30 22:43:05 +00:00
env env/dpdk: revert 8f7d9ec "env/dpdk: Use the DPDK device count for IOMMU mapping" 2021-09-24 07:40:21 +00:00
event scheduler: create public API and subsystem for scheduler/governor 2021-09-07 07:33:03 +00:00
external_code markdownlint: enable rule MD040 2021-09-08 21:53:48 +00:00
ftl test/ftl: Use emulated zoned devices instead of ocssd 2021-09-21 07:52:48 +00:00
fuzz nvme_fuzz: pass trid on command line only 2021-09-27 10:55:34 +00:00
interrupt test/intr: correct without-thread situation 2021-07-30 08:21:43 +00:00
ioat build: Example applications build to build/example 2020-06-15 15:27:16 +00:00
iscsi_tgt iscsi_tgt/rpc_config: Give some extra time for the process to die 2021-07-29 07:03:01 +00:00
json_config scheduler: add scheduler subsystem JSON configuration 2021-09-07 07:33:03 +00:00
lvol test/lvol: rename lvol test script 2020-10-20 08:54:53 +00:00
make build: don't put out-of-tree ocf build in build/ dir 2021-08-17 08:54:30 +00:00
nvme test/nvme: Add test application to verify Boot Partition Read / Write support 2021-09-07 07:34:09 +00:00
nvmf nvme_fuzz: pass trid on command line only 2021-09-27 10:55:34 +00:00
ocf check_format: Fixes for shellcheck's SC2251 directive 2021-06-30 22:43:05 +00:00
openstack test/openstack: Adjust environment for stack.sh 2021-09-23 07:40:25 +00:00
pmem build: Output executables from the app directory to build/bin 2020-06-15 15:27:16 +00:00
rpc autotest: Use rpc_cmd() for rpc plugin-based tests 2021-04-02 08:22:42 +00:00
rpc_client build: use DEPDIRS variables to build SPDK_LIB_LIST 2020-12-18 09:40:01 +00:00
rpc_plugins autotest: Use rpc_cmd() for rpc plugin-based tests 2021-04-02 08:22:42 +00:00
scheduler scheduler_dynamic: fix busy tsc accounting 2021-09-28 07:29:03 +00:00
setup bdev/nvme: Remove OCSSD support 2021-09-03 08:07:25 +00:00
spdkcli autotest: Don't override default amount of hugepages on Linux to 8GB 2021-06-24 17:33:10 +00:00
thread test/thread: Add poller_perf to evaluate cost to run poller 2021-08-20 07:29:42 +00:00
unit scheduler/dynamic: don't adjust tsc too much for very busy cores 2021-09-28 07:29:03 +00:00
vhost test/vhost: enable BPF traces in performance tests 2021-08-23 08:48:05 +00:00
vmd test: replace VMD_WHITELIST with VMD_ALLOWED 2020-12-03 09:41:07 +00:00
Makefile test/dma: Add functional test to verify DMA 2021-09-24 07:37:45 +00:00
spdk_cunit.h test: remove leftover spdk_cunit declaration 2018-07-06 22:47:56 +00:00