/*****************************************************************************\ * powercap_info.c - Definitions for power capping configuration display ***************************************************************************** * Copyright (C) 2013 CEA/DAM/DIF * Written by Matthieu Hautreux * * This file is part of Slurm, a resource management program. * For details, see . * Please also read the included file: DISCLAIMER. * * Slurm is free software; you can redistribute it and/or modify it under * the terms of the GNU General Public License as published by the Free * Software Foundation; either version 2 of the License, or (at your option) * any later version. * * In addition, as a special exception, the copyright holders give permission * to link the code of portions of this program with the OpenSSL library under * certain conditions as described in each individual source file, and * distribute linked combinations including the two. You must obey the GNU * General Public License in all respects for all of the code used other than * OpenSSL. If you modify file(s) with this exception, you may extend this * exception to your version of the file(s), but you are not obligated to do * so. If you do not wish to do so, delete this exception statement from your * version. If you delete this exception statement from all source files in * the program, then also delete it here. * * Slurm is distributed in the hope that it will be useful, but WITHOUT ANY * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS * FOR A PARTICULAR PURPOSE. See the GNU General Public License for more * details. * * You should have received a copy of the GNU General Public License along * with Slurm; if not, write to the Free Software Foundation, Inc., * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. \*****************************************************************************/ #include #include #include #include #include #include #include #include #include "slurm/slurm.h" #include "src/common/parse_time.h" #include "src/common/slurm_protocol_api.h" #include "src/common/xmalloc.h" #include "src/common/xstring.h" /* * slurm_load_powercap - issue RPC to get slurm powercapping details * IN powercap_info_msg_pptr - place to store a pointer to the result * RET 0 or a slurm error code * NOTE: free the response using slurm_free_powercap_info_msg */ extern int slurm_load_powercap(powercap_info_msg_t **resp) { int rc; slurm_msg_t req_msg; slurm_msg_t resp_msg; slurm_msg_t_init(&req_msg); slurm_msg_t_init(&resp_msg); req_msg.msg_type = REQUEST_POWERCAP_INFO; req_msg.data = NULL; if (slurm_send_recv_controller_msg(&req_msg, &resp_msg, working_cluster_rec) < 0) return SLURM_ERROR; switch (resp_msg.msg_type) { case RESPONSE_POWERCAP_INFO: *resp = (powercap_info_msg_t *) resp_msg.data; break; case RESPONSE_SLURM_RC: rc = ((return_code_msg_t *) resp_msg.data)->return_code; slurm_free_return_code_msg(resp_msg.data); if (rc) slurm_seterrno_ret(rc); *resp = NULL; break; default: slurm_seterrno_ret(SLURM_UNEXPECTED_MSG_ERROR); break; } return SLURM_SUCCESS; } /* * slurm_print_powercap_info_msg - output information about powercapping * configuration based upon message as loaded using slurm_load_powercap * IN out - file to write to * IN powercap_info_msg_ptr - powercapping information message pointer * IN one_liner - print as a single line if not zero */ extern void slurm_print_powercap_info_msg(FILE * out, powercap_info_msg_t *ptr, int one_liner) { char *out_buf = NULL; if (ptr->power_cap == 0) { /****** Line 1 ******/ xstrcat(out_buf, "Powercapping disabled by configuration." " See PowerParameters in `man slurm.conf'\n"); fprintf(out, "%s", out_buf); xfree(out_buf); } else { /****** Line 1 ******/ xstrfmtcat(out_buf, "MinWatts=%u CurrentWatts=%u ", ptr->min_watts, ptr->cur_max_watts); if (ptr->power_cap == INFINITE) { xstrcat(out_buf, "PowerCap=INFINITE "); } else { xstrfmtcat(out_buf, "PowerCap=%u ", ptr->power_cap); } xstrfmtcat(out_buf, "PowerFloor=%u PowerChangeRate=%u", ptr->power_floor, ptr->power_change); xstrfmtcat(out_buf, "AdjustedMaxWatts=%u MaxWatts=%u", ptr->adj_max_watts, ptr->max_watts); xstrcat(out_buf, "\n"); fprintf(out, "%s", out_buf); xfree(out_buf); } }