118 lines
2.2 KiB
C
118 lines
2.2 KiB
C
// SPDX-License-Identifier: GPL-2.0-only
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/*
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* (C) 2016 SUSE Software Solutions GmbH
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* Thomas Renninger <trenn@suse.de>
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*/
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#include <unistd.h>
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#include <stdio.h>
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#include <errno.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <string.h>
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#include <getopt.h>
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#include "powercap.h"
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#include "helpers/helpers.h"
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int powercap_show_all;
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static struct option info_opts[] = {
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{ "all", no_argument, NULL, 'a'},
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{ },
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};
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static int powercap_print_one_zone(struct powercap_zone *zone)
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{
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int mode, i, ret = 0;
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char pr_prefix[1024] = "";
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for (i = 0; i < zone->tree_depth && i < POWERCAP_MAX_TREE_DEPTH; i++)
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strcat(pr_prefix, "\t");
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printf("%sZone: %s", pr_prefix, zone->name);
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ret = powercap_zone_get_enabled(zone, &mode);
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if (ret < 0)
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return ret;
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printf(" (%s)\n", mode ? "enabled" : "disabled");
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if (zone->has_power_uw)
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printf(_("%sPower can be monitored in micro Jules\n"),
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pr_prefix);
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if (zone->has_energy_uj)
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printf(_("%sPower can be monitored in micro Watts\n"),
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pr_prefix);
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printf("\n");
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if (ret != 0)
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return ret;
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return ret;
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}
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static int powercap_show(void)
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{
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struct powercap_zone *root_zone;
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char line[MAX_LINE_LEN] = "";
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int ret, val;
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ret = powercap_get_driver(line, MAX_LINE_LEN);
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if (ret < 0) {
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printf(_("No powercapping driver loaded\n"));
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return ret;
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}
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printf("Driver: %s\n", line);
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ret = powercap_get_enabled(&val);
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if (ret < 0)
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return ret;
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if (!val) {
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printf(_("Powercapping is disabled\n"));
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return -1;
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}
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printf(_("Powercap domain hierarchy:\n\n"));
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root_zone = powercap_init_zones();
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if (root_zone == NULL) {
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printf(_("No powercap info found\n"));
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return 1;
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}
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powercap_walk_zones(root_zone, powercap_print_one_zone);
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return 0;
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}
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int cmd_cap_set(int argc, char **argv)
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{
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return 0;
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};
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int cmd_cap_info(int argc, char **argv)
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{
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int ret = 0, cont = 1;
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do {
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ret = getopt_long(argc, argv, "a", info_opts, NULL);
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switch (ret) {
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case '?':
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cont = 0;
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break;
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case -1:
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cont = 0;
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break;
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case 'a':
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powercap_show_all = 1;
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break;
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default:
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fprintf(stderr, _("invalid or unknown argument\n"));
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return EXIT_FAILURE;
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}
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} while (cont);
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powercap_show();
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return 0;
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}
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