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cpupower.17298
rapl_monitor.patch
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File rapl_monitor.patch of Package cpupower.17298
cpupower: rapl monitor - shows the used power consumption in uj for each rapl domain Signed-off-by: Thomas Renninger <trenn@suse.com> Index: cpupower-5.5/Makefile =================================================================== --- cpupower-5.5.orig/Makefile 2019-11-28 14:44:23.261812260 +0100 +++ cpupower-5.5/Makefile 2019-11-28 14:44:28.457812540 +0100 @@ -131,6 +131,7 @@ UTIL_OBJS = utils/helpers/amd.o utils/h utils/idle_monitor/hsw_ext_idle.o \ utils/idle_monitor/amd_fam14h_idle.o utils/idle_monitor/cpuidle_sysfs.o \ utils/idle_monitor/mperf_monitor.o utils/idle_monitor/cpupower-monitor.o \ + utils/idle_monitor/rapl_monitor.o \ utils/cpupower.o utils/cpufreq-info.o utils/cpufreq-set.o \ utils/cpupower-set.o utils/cpupower-info.o utils/cpuidle-info.o \ utils/cpuidle-set.o utils/powercap-info.o Index: cpupower-5.5/utils/idle_monitor/cpupower-monitor.c =================================================================== --- cpupower-5.5.orig/utils/idle_monitor/cpupower-monitor.c 2019-11-28 14:44:23.261812260 +0100 +++ cpupower-5.5/utils/idle_monitor/cpupower-monitor.c 2019-11-28 14:44:28.457812540 +0100 @@ -457,9 +457,10 @@ int cmd_monitor(int argc, char **argv) print_results(1, cpu); } - for (num = 0; num < avail_monitors; num++) - monitors[num]->unregister(); - + for (num = 0; num < avail_monitors; num++) { + if (monitors[num]->unregister) + monitors[num]->unregister(); + } cpu_topology_release(cpu_top); return 0; } Index: cpupower-5.5/utils/idle_monitor/idle_monitors.def =================================================================== --- cpupower-5.5.orig/utils/idle_monitor/idle_monitors.def 2019-11-28 14:44:23.261812260 +0100 +++ cpupower-5.5/utils/idle_monitor/idle_monitors.def 2019-11-28 14:44:28.457812540 +0100 @@ -4,5 +4,6 @@ DEF(intel_nhm) DEF(intel_snb) DEF(intel_hsw_ext) DEF(mperf) +DEF(rapl) #endif DEF(cpuidle_sysfs) Index: cpupower-5.5/utils/idle_monitor/rapl_monitor.c =================================================================== --- /dev/null 1970-01-01 00:00:00.000000000 +0000 +++ cpupower-5.5/utils/idle_monitor/rapl_monitor.c 2019-11-28 14:44:54.909813966 +0100 @@ -0,0 +1,141 @@ +/* + * (C) 2016 Thomas Renninger <trenn@suse.com> + * + * Licensed under the terms of the GNU GPL License version 2. + * + */ + +#if defined(__i386__) || defined(__x86_64__) + +#include <stdio.h> +#include <stdlib.h> +#include <stdint.h> +#include <time.h> +#include <string.h> + +#include <pci/pci.h> + +#include "idle_monitor/cpupower-monitor.h" +#include "helpers/helpers.h" +#include "powercap.h" + +#define MAX_RAPL_ZONES 10 + +int rapl_zone_count = 0; +cstate_t rapl_zones[MAX_RAPL_ZONES]; +struct powercap_zone *rapl_zones_pt[MAX_RAPL_ZONES] = { 0 }; + +unsigned long long rapl_zone_previous_count[MAX_RAPL_ZONES]; +unsigned long long rapl_zone_current_count[MAX_RAPL_ZONES]; +unsigned long long rapl_max_count; + +static int rapl_get_count_uj(unsigned int id, unsigned long long *count, + unsigned int cpu) +{ + if (rapl_zones_pt[id] == NULL) + /* error */ + return -1; + + *count = rapl_zone_current_count[id] - rapl_zone_previous_count[id]; + + return 0; +} + +static int powercap_count_zones(struct powercap_zone *zone) +{ + if (rapl_zone_count >= MAX_RAPL_ZONES) + return -1; + + if (!zone->has_energy_uj) + return 0; + + strncpy(rapl_zones[rapl_zone_count].name, zone->name, CSTATE_NAME_LEN - 1); + strcpy(rapl_zones[rapl_zone_count].desc, ""); + rapl_zones[rapl_zone_count].id = rapl_zone_count; + rapl_zones[rapl_zone_count].range = RANGE_MACHINE; + rapl_zones[rapl_zone_count].get_count = rapl_get_count_uj; + rapl_zones_pt[rapl_zone_count] = zone; + rapl_zone_count++; + + return 0; +} + +static int rapl_start(void) +{ + int i, ret; + uint64_t uj_val; + + for (i = 0; i < rapl_zone_count; i++) { + ret = powercap_get_energy_uj(rapl_zones_pt[i], &uj_val); + if (ret) + return ret; + rapl_zone_previous_count[i] = uj_val; + } + + return 0; +} + +static int rapl_stop(void) +{ + int i; + uint64_t uj_val; + + for (i = 0; i < rapl_zone_count; i++) { + int ret; + ret = powercap_get_energy_uj(rapl_zones_pt[i], &uj_val); + if (ret) + return ret; + rapl_zone_current_count[i] = uj_val; + if (rapl_max_count < uj_val) + rapl_max_count = uj_val - rapl_zone_previous_count[i]; + } + return 0; +} + +struct cpuidle_monitor *rapl_register(void) +{ + struct powercap_zone *root_zone; + char line[MAX_LINE_LEN] = ""; + int ret, val; + + ret = powercap_get_driver(line, MAX_LINE_LEN); + if (ret < 0) { + dprint("No powercapping driver loaded\n"); + return NULL; + } + + dprint("Driver: %s\n", line); + ret = powercap_get_enabled(&val); + if (ret < 0) + return NULL; + if (!val) { + dprint("Powercapping is disabled\n"); + return NULL; + } + + dprint("Powercap domain hierarchy:\n\n"); + root_zone = powercap_init_zones(); + + if (root_zone == NULL) { + dprint("No powercap info found\n"); + return NULL; + } + + powercap_walk_zones(root_zone, powercap_count_zones); + rapl_monitor.hw_states_num = rapl_zone_count; + + return &rapl_monitor; +} + +struct cpuidle_monitor rapl_monitor = { + .name = "RAPL", + .hw_states = rapl_zones, + .hw_states_num = 0, + .start = rapl_start, + .stop = rapl_stop, + .do_register = rapl_register, + .flags.needs_root = 0, + .overflow_s = 60 * 60 * 24 * 100, /* To be implemented */ +}; + +#endif
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