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>
For the src thread, add the busy_tsc of the thread
we are moving to the idle_tsc of the current core.
This is consistent with how are accounting for the
cycles in the target core too.
We will disable the load_balancing.sh script for now.
We will reenable it later in this patch set once
a few other changes are made, along with some updates
to the load_balancing.sh script based on the changes
made in this patch set.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: I8af82610804e97dabf62ccd90f75a0e6e37d276f
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9550
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>
This will be useful in some upcoming patches where we will
be calculating these percentages in more places.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: If7d84c00fe1b666988fe06537836ba7b9cb161aa
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9580
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: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This is similar to how we name other module library
directories.
Signed-off-by: Jim Harris <james.r.harris@intel.com>
Change-Id: Iadaf59231323180b48b5d0cf2e6acb3d8bfc9807
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/9549
Community-CI: Mellanox Build Bot
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Reviewed-by: Aleksey Marchuk <alexeymar@mellanox.com>
Reviewed-by: Ben Walker <benjamin.walker@intel.com>
This patch moves schedueler and governor related API from
the internal event.h to public scheduler.h.
With this it is possible to create subsystem responsible
for handling the schedulers.
Three schedulers and a governor were moved to scheduler modules
from event framework.
This will allow next patch to add JSON RPC configuration
to the whole subsystem.
Along with easier addition of other schedulers.
Removed debug logs from gscheduler, as they serve little purpose.
Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com>
Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
Change-Id: I98ca1ea4fb281beb71941656444267842a8875b7
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/6995
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: Jim Harris <james.r.harris@intel.com>
Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com>
