123 строки
4.7 KiB
C
123 строки
4.7 KiB
C
/* -*- Mode: C; c-basic-offset:4 ; indent-tabs-mode:nil -*- */
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/*
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* Copyright (c) 2014 Intel, Inc. All rights reserved
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* Copyright (c) 2015 Los Alamos National Security, LLC. All rights
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* reserved.
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* $COPYRIGHT$
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*
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* Additional copyrights may follow
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*
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* $HEADER$
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*/
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#include "orte_config.h"
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#include "orte/constants.h"
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#include "opal/mca/base/base.h"
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#include "orte/util/show_help.h"
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#include "rtc_freq.h"
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/*
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* Local functions
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*/
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static int rtc_freq_query(mca_base_module_t **module, int *priority);
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static int rtc_freq_register(void);
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static int my_priority;
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orte_rtc_freq_component_t mca_rtc_freq_component = {
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{
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.base_version = {
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ORTE_RTC_BASE_VERSION_1_0_0,
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.mca_component_name = "freq",
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MCA_BASE_MAKE_VERSION(component, ORTE_MAJOR_VERSION, ORTE_MINOR_VERSION,
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ORTE_RELEASE_VERSION),
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.mca_query_component = rtc_freq_query,
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.mca_register_component_params = rtc_freq_register,
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},
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.base_data = {
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/* The component is checkpoint ready */
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MCA_BASE_METADATA_PARAM_CHECKPOINT
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},
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}
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};
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static char *freq;
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static int rtc_freq_register(void)
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{
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mca_base_component_t *c = &mca_rtc_freq_component.super.base_version;
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/* ordering here doesn't really matter */
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my_priority = 50;
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(void) mca_base_component_var_register (c, "priority", "Priority of the FREQ rtc component",
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MCA_BASE_VAR_TYPE_INT, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&my_priority);
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mca_rtc_freq_component.governor = NULL;
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(void) mca_base_component_var_register (c, "governor", "Governor to be used by default (default: system setting)",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_rtc_freq_component.governor);
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mca_rtc_freq_component.max_freq = NULL;
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(void) mca_base_component_var_register (c, "max", "Max frequency to be used by default (default: system setting)",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_rtc_freq_component.max_freq);
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mca_rtc_freq_component.min_freq = NULL;
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(void) mca_base_component_var_register (c, "min", "Min frequency to be used by default (default: system setting)",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&mca_rtc_freq_component.min_freq);
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freq = NULL;
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(void) mca_base_component_var_register (c, NULL, "Specific frequency to be used by default",
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MCA_BASE_VAR_TYPE_STRING, NULL, 0, 0,
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OPAL_INFO_LVL_9,
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MCA_BASE_VAR_SCOPE_READONLY,
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&freq);
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if (NULL != freq) {
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/* if a max/min was also given, then that is an error */
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if (NULL != mca_rtc_freq_component.max_freq ||
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NULL != mca_rtc_freq_component.min_freq) {
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orte_show_help("help-rtc-freq.txt", "conflict-freq", true, freq,
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(NULL == mca_rtc_freq_component.max_freq) ? "NULL" : mca_rtc_freq_component.max_freq,
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(NULL == mca_rtc_freq_component.min_freq) ? "NULL" : mca_rtc_freq_component.min_freq);
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return ORTE_ERR_SILENT;
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}
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/* set the max/min to the given value */
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mca_rtc_freq_component.max_freq = strdup(freq);
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mca_rtc_freq_component.min_freq = strdup(freq);
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}
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return ORTE_SUCCESS;
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}
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static int rtc_freq_query(mca_base_module_t **module, int *priority)
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{
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/* in general, only root can change the frequency setting
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* of a node. However, if the sys admin has configured the
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* remote node with the "userspace" governor, then individual
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* users will be able to do so. Hence, we allow this component
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* to always be selected, and will instead error out if the
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* remote node cannot support the desired setting
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*/
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*priority = my_priority;
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*module = (mca_base_module_t *)&orte_rtc_freq_module;
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return ORTE_SUCCESS;
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}
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