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gscheduler: use current tsc for decision.

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Replace total_busy/idle_tsc by current ones for
decision making when tuning frequency.

Change-Id: I89524a9febfa963b14c3120433e5aff9de2a28dd
Signed-off-by: Liu Xiaodong <xiaodong.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10342
Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: Dong Yi <dongx.yi@intel.com>
Reviewed-by: Changpeng Liu <changpeng.liu@intel.com>
Reviewed-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com>
This commit is contained in:
Liu Xiaodong 2021-11-22 10:33:01 -05:00 committed by Tomasz Zawadzki
parent b9518a5540
commit 97b3fb1758
1 changed files with 3 additions and 3 deletions
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6
module/scheduler/gscheduler/gscheduler.c
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@ -75,17 +75,17 @@ balance(struct spdk_scheduler_core_info *cores, uint32_t core_count)
return;
}
if (core->total_busy_tsc < (core->total_idle_tsc / 1000)) {
if (core->current_busy_tsc < (core->current_idle_tsc / 1000)) {
rc = governor->set_core_freq_min(core->lcore);
if (rc < 0) {
SPDK_ERRLOG("setting to minimal frequency for core %u failed\n", core->lcore);
}
} else if (core->total_idle_tsc > core->total_busy_tsc) {
} else if (core->current_idle_tsc > core->current_busy_tsc) {
rc = governor->core_freq_down(core->lcore);
if (rc < 0) {
SPDK_ERRLOG("lowering frequency for core %u failed\n", core->lcore);
}
} else if (core->total_idle_tsc < (core->total_busy_tsc / 1000)) {
} else if (core->current_idle_tsc < (core->current_busy_tsc / 1000)) {
rc = governor->set_core_freq_max(core->lcore);
if (rc < 0) {
SPDK_ERRLOG("setting to maximal frequency for core %u failed\n", core->lcore);