8e649e83b2
In rte_power all that enabling/disabling turbo does is allows for additional entry in frequency array for particular core. Instead of exposing this API through spdk governor, just make sure that dpdk_governor enables turbo by default. Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Change-Id: I994b326a57c01889bccea26635753c56637259d2 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/8789 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: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Reviewed-by: Konrad Sztyber <konrad.sztyber@intel.com> Reviewed-by: Jim Harris <james.r.harris@intel.com>
129 lines
3.9 KiB
C
129 lines
3.9 KiB
C
/*-
|
|
* BSD LICENSE
|
|
*
|
|
* Copyright (c) Intel Corporation.
|
|
* All rights reserved.
|
|
*
|
|
* Redistribution and use in source and binary forms, with or without
|
|
* modification, are permitted provided that the following conditions
|
|
* are met:
|
|
*
|
|
* * Redistributions of source code must retain the above copyright
|
|
* notice, this list of conditions and the following disclaimer.
|
|
* * Redistributions in binary form must reproduce the above copyright
|
|
* notice, this list of conditions and the following disclaimer in
|
|
* the documentation and/or other materials provided with the
|
|
* distribution.
|
|
* * Neither the name of Intel Corporation nor the names of its
|
|
* contributors may be used to endorse or promote products derived
|
|
* from this software without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
|
|
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
|
|
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
|
|
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
|
|
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
|
|
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
|
|
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
|
|
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
|
|
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
|
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
|
|
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
|
*/
|
|
|
|
#include "spdk/stdinc.h"
|
|
#include "spdk/likely.h"
|
|
|
|
#include "spdk_internal/event.h"
|
|
#include "spdk/thread.h"
|
|
|
|
#include "spdk/log.h"
|
|
#include "spdk/env.h"
|
|
|
|
static int
|
|
init(struct spdk_governor *governor)
|
|
{
|
|
return _spdk_governor_set("dpdk_governor");
|
|
}
|
|
|
|
static int
|
|
deinit(struct spdk_governor *governor)
|
|
{
|
|
uint32_t i;
|
|
int rc = 0;
|
|
|
|
SPDK_ENV_FOREACH_CORE(i) {
|
|
if (governor->deinit_core) {
|
|
rc = governor->deinit_core(i);
|
|
if (rc != 0) {
|
|
return rc;
|
|
}
|
|
}
|
|
}
|
|
|
|
if (governor->deinit) {
|
|
rc = governor->deinit();
|
|
}
|
|
|
|
return rc;
|
|
}
|
|
|
|
static void
|
|
balance(struct spdk_scheduler_core_info *cores, int core_count, struct spdk_governor *governor)
|
|
{
|
|
struct spdk_scheduler_core_info *core;
|
|
struct spdk_governor_capabilities capabilities;
|
|
uint32_t i;
|
|
int rc;
|
|
|
|
/* Gather active/idle statistics */
|
|
SPDK_ENV_FOREACH_CORE(i) {
|
|
core = &cores[i];
|
|
|
|
rc = governor->get_core_capabilities(core->lcore, &capabilities);
|
|
if (rc < 0) {
|
|
SPDK_ERRLOG("failed to get capabilities for core: %u\n", core->lcore);
|
|
return;
|
|
}
|
|
|
|
if (core->total_busy_tsc < (core->total_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);
|
|
}
|
|
|
|
SPDK_DEBUGLOG(reactor, "setting to minimal frequency for core: %u\n", core->lcore);
|
|
} else if (core->total_idle_tsc > core->total_busy_tsc) {
|
|
rc = governor->core_freq_down(core->lcore);
|
|
if (rc < 0) {
|
|
SPDK_ERRLOG("lowering frequency for core %u failed\n", core->lcore);
|
|
}
|
|
|
|
SPDK_DEBUGLOG(reactor, "lowering frequency for core: %u\n", core->lcore);
|
|
} else if (core->total_idle_tsc < (core->total_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);
|
|
}
|
|
|
|
SPDK_DEBUGLOG(reactor, "setting to maximum frequency for core: %u\n", core->lcore);
|
|
} else {
|
|
rc = governor->core_freq_up(core->lcore);
|
|
if (rc < 0) {
|
|
SPDK_ERRLOG("increasing frequency for core %u failed\n", core->lcore);
|
|
}
|
|
|
|
SPDK_DEBUGLOG(reactor, "increasing frequency for core: %u\n", core->lcore);
|
|
}
|
|
}
|
|
}
|
|
|
|
static struct spdk_scheduler gscheduler = {
|
|
.name = "gscheduler",
|
|
.init = init,
|
|
.deinit = deinit,
|
|
.balance = balance,
|
|
};
|
|
|
|
SPDK_SCHEDULER_REGISTER(gscheduler);
|