Commit 97b3fb17 authored by Liu Xiaodong's avatar Liu Xiaodong Committed by Tomasz Zawadzki
Browse files

gscheduler: use current tsc for decision. 



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

Change-Id: I89524a9febfa963b14c3120433e5aff9de2a28dd
Signed-off-by: default avatarLiu Xiaodong <xiaodong.liu@intel.com>
Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/10342


Tested-by: default avatarSPDK CI Jenkins <sys_sgci@intel.com>
Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com>
Community-CI: Mellanox Build Bot
Reviewed-by: default avatarKonrad Sztyber <konrad.sztyber@intel.com>
Reviewed-by: default avatarDong Yi <dongx.yi@intel.com>
Reviewed-by: default avatarChangpeng Liu <changpeng.liu@intel.com>
Reviewed-by: default avatarTomasz Zawadzki <tomasz.zawadzki@intel.com>
parent b9518a55

module/scheduler/gscheduler/gscheduler.c

+3 −3
Original line number Diff line number Diff line
@@ -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);