b05d4a7d19
Added writing out JSON configuration for the scheduler subsystem. Signed-off-by: Krzysztof Karas <krzysztof.karas@intel.com> Signed-off-by: Tomasz Zawadzki <tomasz.zawadzki@intel.com> Change-Id: I51b1f94b3f56d0bfb8a87127163c8e248d6846b6 Reviewed-on: https://review.spdk.io/gerrit/c/spdk/spdk/+/7119 Community-CI: Broadcom CI <spdk-ci.pdl@broadcom.com> Community-CI: Mellanox Build Bot Reviewed-by: Jim Harris <james.r.harris@intel.com> Reviewed-by: Shuhei Matsumoto <shuhei.matsumoto.xt@hitachi.com> Tested-by: SPDK CI Jenkins <sys_sgci@intel.com>
105 lines
3.2 KiB
C
105 lines
3.2 KiB
C
/*-
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* BSD LICENSE
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*
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* Copyright (c) Intel Corporation.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* * Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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* * Neither the name of Intel Corporation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "spdk/stdinc.h"
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#include "spdk/env.h"
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#include "spdk/scheduler.h"
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#include "spdk_internal/event.h"
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#include "spdk_internal/init.h"
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static void
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scheduler_subsystem_init(void)
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{
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int rc = 0;
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/* Set the defaults */
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if (spdk_scheduler_get() == NULL) {
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rc = spdk_scheduler_set("static");
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}
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if (spdk_scheduler_get_period() == 0) {
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spdk_scheduler_set_period(SPDK_SEC_TO_USEC);
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}
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spdk_subsystem_init_next(rc);
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}
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static void
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scheduler_subsystem_fini(void)
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{
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spdk_scheduler_set_period(0);
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spdk_scheduler_set(NULL);
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spdk_subsystem_fini_next();
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}
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static void
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scheduler_write_config_json(struct spdk_json_write_ctx *w)
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{
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struct spdk_scheduler *scheduler;
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uint64_t scheduler_period;
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assert(w != NULL);
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scheduler = spdk_scheduler_get();
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if (scheduler == NULL) {
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SPDK_ERRLOG("Unable to get scheduler info\n");
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return;
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}
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scheduler_period = spdk_scheduler_get_period();
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spdk_json_write_array_begin(w);
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spdk_json_write_object_begin(w);
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spdk_json_write_named_string(w, "method", "framework_set_scheduler");
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spdk_json_write_named_object_begin(w, "params");
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spdk_json_write_named_string(w, "name", scheduler->name);
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if (scheduler_period != 0) {
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spdk_json_write_named_uint32(w, "period", scheduler_period);
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}
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spdk_json_write_object_end(w);
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spdk_json_write_object_end(w);
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spdk_json_write_array_end(w);
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}
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static struct spdk_subsystem g_spdk_subsystem_scheduler = {
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.name = "scheduler",
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.init = scheduler_subsystem_init,
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.fini = scheduler_subsystem_fini,
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.write_config_json = scheduler_write_config_json,
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};
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SPDK_SUBSYSTEM_REGISTER(g_spdk_subsystem_scheduler);
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