/*
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* x86_energy_perf_policy -- set the energy versus performance
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* policy preference bias on recent X86 processors.
|
*/
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/*
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* Copyright (c) 2010 - 2017 Intel Corporation.
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* Len Brown <len.brown@intel.com>
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*
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* This program is released under GPL v2
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*/
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#define _GNU_SOURCE
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#include MSRHEADER
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#include <stdio.h>
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#include <unistd.h>
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#include <sys/types.h>
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#include <sched.h>
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#include <sys/stat.h>
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#include <sys/resource.h>
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#include <getopt.h>
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#include <err.h>
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#include <fcntl.h>
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#include <signal.h>
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#include <sys/time.h>
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#include <limits.h>
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#include <stdlib.h>
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#include <string.h>
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#include <cpuid.h>
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#include <errno.h>
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#define OPTARG_NORMAL (INT_MAX - 1)
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#define OPTARG_POWER (INT_MAX - 2)
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#define OPTARG_BALANCE_POWER (INT_MAX - 3)
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#define OPTARG_BALANCE_PERFORMANCE (INT_MAX - 4)
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#define OPTARG_PERFORMANCE (INT_MAX - 5)
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struct msr_hwp_cap {
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unsigned char highest;
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unsigned char guaranteed;
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unsigned char efficient;
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unsigned char lowest;
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};
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struct msr_hwp_request {
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unsigned char hwp_min;
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unsigned char hwp_max;
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unsigned char hwp_desired;
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unsigned char hwp_epp;
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unsigned int hwp_window;
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unsigned char hwp_use_pkg;
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} req_update;
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unsigned int debug;
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unsigned int verbose;
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unsigned int force;
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char *progname;
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int base_cpu;
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unsigned char update_epb;
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unsigned long long new_epb;
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unsigned char turbo_is_enabled;
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unsigned char update_turbo;
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unsigned char turbo_update_value;
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unsigned char update_hwp_epp;
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unsigned char update_hwp_min;
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unsigned char update_hwp_max;
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unsigned char update_hwp_desired;
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unsigned char update_hwp_window;
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unsigned char update_hwp_use_pkg;
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unsigned char update_hwp_enable;
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#define hwp_update_enabled() (update_hwp_enable | update_hwp_epp | update_hwp_max | update_hwp_min | update_hwp_desired | update_hwp_window | update_hwp_use_pkg)
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int max_cpu_num;
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int max_pkg_num;
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#define MAX_PACKAGES 64
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unsigned int first_cpu_in_pkg[MAX_PACKAGES];
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unsigned long long pkg_present_set;
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unsigned long long pkg_selected_set;
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cpu_set_t *cpu_present_set;
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cpu_set_t *cpu_selected_set;
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int genuine_intel;
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size_t cpu_setsize;
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char *proc_stat = "/proc/stat";
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unsigned int has_epb; /* MSR_IA32_ENERGY_PERF_BIAS */
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unsigned int has_hwp; /* IA32_PM_ENABLE, IA32_HWP_CAPABILITIES */
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/* IA32_HWP_REQUEST, IA32_HWP_STATUS */
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unsigned int has_hwp_notify; /* IA32_HWP_INTERRUPT */
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unsigned int has_hwp_activity_window; /* IA32_HWP_REQUEST[bits 41:32] */
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unsigned int has_hwp_epp; /* IA32_HWP_REQUEST[bits 31:24] */
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unsigned int has_hwp_request_pkg; /* IA32_HWP_REQUEST_PKG */
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unsigned int bdx_highest_ratio;
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/*
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* maintain compatibility with original implementation, but don't document it:
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*/
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void usage(void)
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{
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fprintf(stderr, "%s [options] [scope][field value]\n", progname);
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fprintf(stderr, "scope: --cpu cpu-list [--hwp-use-pkg #] | --pkg pkg-list\n");
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fprintf(stderr, "field: --all | --epb | --hwp-epp | --hwp-min | --hwp-max | --hwp-desired\n");
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fprintf(stderr, "other: --hwp-enable | --turbo-enable (0 | 1) | --help | --force\n");
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fprintf(stderr,
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"value: ( # | \"normal\" | \"performance\" | \"balance-performance\" | \"balance-power\"| \"power\")\n");
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fprintf(stderr, "--hwp-window usec\n");
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fprintf(stderr, "Specify only Energy Performance BIAS (legacy usage):\n");
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fprintf(stderr, "%s: [-c cpu] [-v] (-r | policy-value )\n", progname);
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exit(1);
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}
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/*
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* If bdx_highest_ratio is set,
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* then we must translate between MSR format and simple ratio
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* used on the cmdline.
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*/
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int ratio_2_msr_perf(int ratio)
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{
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int msr_perf;
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if (!bdx_highest_ratio)
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return ratio;
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msr_perf = ratio * 255 / bdx_highest_ratio;
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if (debug)
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fprintf(stderr, "%d = ratio_to_msr_perf(%d)\n", msr_perf, ratio);
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return msr_perf;
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}
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int msr_perf_2_ratio(int msr_perf)
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{
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int ratio;
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double d;
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if (!bdx_highest_ratio)
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return msr_perf;
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d = (double)msr_perf * (double) bdx_highest_ratio / 255.0;
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d = d + 0.5; /* round */
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ratio = (int)d;
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if (debug)
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fprintf(stderr, "%d = msr_perf_ratio(%d) {%f}\n", ratio, msr_perf, d);
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return ratio;
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}
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int parse_cmdline_epb(int i)
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{
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if (!has_epb)
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errx(1, "EPB not enabled on this platform");
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update_epb = 1;
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switch (i) {
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case OPTARG_POWER:
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return ENERGY_PERF_BIAS_POWERSAVE;
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case OPTARG_BALANCE_POWER:
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return ENERGY_PERF_BIAS_BALANCE_POWERSAVE;
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case OPTARG_NORMAL:
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return ENERGY_PERF_BIAS_NORMAL;
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case OPTARG_BALANCE_PERFORMANCE:
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return ENERGY_PERF_BIAS_BALANCE_PERFORMANCE;
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case OPTARG_PERFORMANCE:
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return ENERGY_PERF_BIAS_PERFORMANCE;
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}
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if (i < 0 || i > ENERGY_PERF_BIAS_POWERSAVE)
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errx(1, "--epb must be from 0 to 15");
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return i;
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}
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#define HWP_CAP_LOWEST 0
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#define HWP_CAP_HIGHEST 255
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/*
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* "performance" changes hwp_min to cap.highest
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* All others leave it at cap.lowest
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*/
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int parse_cmdline_hwp_min(int i)
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{
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update_hwp_min = 1;
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switch (i) {
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case OPTARG_POWER:
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case OPTARG_BALANCE_POWER:
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case OPTARG_NORMAL:
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case OPTARG_BALANCE_PERFORMANCE:
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return HWP_CAP_LOWEST;
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case OPTARG_PERFORMANCE:
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return HWP_CAP_HIGHEST;
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}
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return i;
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}
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/*
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* "power" changes hwp_max to cap.lowest
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* All others leave it at cap.highest
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*/
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int parse_cmdline_hwp_max(int i)
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{
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update_hwp_max = 1;
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switch (i) {
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case OPTARG_POWER:
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return HWP_CAP_LOWEST;
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case OPTARG_NORMAL:
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case OPTARG_BALANCE_POWER:
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case OPTARG_BALANCE_PERFORMANCE:
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case OPTARG_PERFORMANCE:
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return HWP_CAP_HIGHEST;
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}
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return i;
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}
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/*
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* for --hwp-des, all strings leave it in autonomous mode
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* If you want to change it, you need to explicitly pick a value
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*/
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int parse_cmdline_hwp_desired(int i)
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{
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update_hwp_desired = 1;
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switch (i) {
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case OPTARG_POWER:
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case OPTARG_BALANCE_POWER:
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case OPTARG_BALANCE_PERFORMANCE:
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case OPTARG_NORMAL:
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case OPTARG_PERFORMANCE:
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return 0; /* autonomous */
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}
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return i;
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}
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int parse_cmdline_hwp_window(int i)
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{
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unsigned int exponent;
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update_hwp_window = 1;
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switch (i) {
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case OPTARG_POWER:
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case OPTARG_BALANCE_POWER:
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case OPTARG_NORMAL:
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case OPTARG_BALANCE_PERFORMANCE:
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case OPTARG_PERFORMANCE:
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return 0;
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}
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if (i < 0 || i > 1270000000) {
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fprintf(stderr, "--hwp-window: 0 for auto; 1 - 1270000000 usec for window duration\n");
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usage();
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}
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for (exponent = 0; ; ++exponent) {
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if (debug)
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printf("%d 10^%d\n", i, exponent);
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if (i <= 127)
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break;
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i = i / 10;
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}
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if (debug)
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fprintf(stderr, "%d*10^%d: 0x%x\n", i, exponent, (exponent << 7) | i);
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return (exponent << 7) | i;
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}
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int parse_cmdline_hwp_epp(int i)
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{
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update_hwp_epp = 1;
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switch (i) {
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case OPTARG_POWER:
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return HWP_EPP_POWERSAVE;
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case OPTARG_BALANCE_POWER:
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return HWP_EPP_BALANCE_POWERSAVE;
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case OPTARG_NORMAL:
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case OPTARG_BALANCE_PERFORMANCE:
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return HWP_EPP_BALANCE_PERFORMANCE;
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case OPTARG_PERFORMANCE:
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return HWP_EPP_PERFORMANCE;
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}
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if (i < 0 || i > 0xff) {
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fprintf(stderr, "--hwp-epp must be from 0 to 0xff\n");
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usage();
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}
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return i;
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}
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int parse_cmdline_turbo(int i)
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{
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update_turbo = 1;
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switch (i) {
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case OPTARG_POWER:
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return 0;
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case OPTARG_NORMAL:
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case OPTARG_BALANCE_POWER:
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case OPTARG_BALANCE_PERFORMANCE:
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case OPTARG_PERFORMANCE:
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return 1;
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}
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if (i < 0 || i > 1) {
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fprintf(stderr, "--turbo-enable: 1 to enable, 0 to disable\n");
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usage();
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}
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return i;
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}
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int parse_optarg_string(char *s)
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{
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int i;
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char *endptr;
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if (!strncmp(s, "default", 7))
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return OPTARG_NORMAL;
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if (!strncmp(s, "normal", 6))
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return OPTARG_NORMAL;
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if (!strncmp(s, "power", 9))
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return OPTARG_POWER;
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if (!strncmp(s, "balance-power", 17))
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return OPTARG_BALANCE_POWER;
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if (!strncmp(s, "balance-performance", 19))
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return OPTARG_BALANCE_PERFORMANCE;
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if (!strncmp(s, "performance", 11))
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return OPTARG_PERFORMANCE;
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i = strtol(s, &endptr, 0);
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if (s == endptr) {
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fprintf(stderr, "no digits in \"%s\"\n", s);
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usage();
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}
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if (i == LONG_MIN || i == LONG_MAX)
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errx(-1, "%s", s);
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if (i > 0xFF)
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errx(-1, "%d (0x%x) must be < 256", i, i);
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if (i < 0)
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errx(-1, "%d (0x%x) must be >= 0", i, i);
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return i;
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}
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void parse_cmdline_all(char *s)
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{
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force++;
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update_hwp_enable = 1;
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req_update.hwp_min = parse_cmdline_hwp_min(parse_optarg_string(s));
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req_update.hwp_max = parse_cmdline_hwp_max(parse_optarg_string(s));
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req_update.hwp_epp = parse_cmdline_hwp_epp(parse_optarg_string(s));
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if (has_epb)
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new_epb = parse_cmdline_epb(parse_optarg_string(s));
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turbo_update_value = parse_cmdline_turbo(parse_optarg_string(s));
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req_update.hwp_desired = parse_cmdline_hwp_desired(parse_optarg_string(s));
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req_update.hwp_window = parse_cmdline_hwp_window(parse_optarg_string(s));
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}
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void validate_cpu_selected_set(void)
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{
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int cpu;
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if (CPU_COUNT_S(cpu_setsize, cpu_selected_set) == 0)
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errx(0, "no CPUs requested");
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for (cpu = 0; cpu <= max_cpu_num; ++cpu) {
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if (CPU_ISSET_S(cpu, cpu_setsize, cpu_selected_set))
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if (!CPU_ISSET_S(cpu, cpu_setsize, cpu_present_set))
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errx(1, "Requested cpu% is not present", cpu);
|
}
|
}
|
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void parse_cmdline_cpu(char *s)
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{
|
char *startp, *endp;
|
int cpu = 0;
|
|
if (pkg_selected_set) {
|
usage();
|
errx(1, "--cpu | --pkg");
|
}
|
cpu_selected_set = CPU_ALLOC((max_cpu_num + 1));
|
if (cpu_selected_set == NULL)
|
err(1, "cpu_selected_set");
|
CPU_ZERO_S(cpu_setsize, cpu_selected_set);
|
|
for (startp = s; startp && *startp;) {
|
|
if (*startp == ',') {
|
startp++;
|
continue;
|
}
|
|
if (*startp == '-') {
|
int end_cpu;
|
|
startp++;
|
end_cpu = strtol(startp, &endp, 10);
|
if (startp == endp)
|
continue;
|
|
while (cpu <= end_cpu) {
|
if (cpu > max_cpu_num)
|
errx(1, "Requested cpu%d exceeds max cpu%d", cpu, max_cpu_num);
|
CPU_SET_S(cpu, cpu_setsize, cpu_selected_set);
|
cpu++;
|
}
|
startp = endp;
|
continue;
|
}
|
|
if (strncmp(startp, "all", 3) == 0) {
|
for (cpu = 0; cpu <= max_cpu_num; cpu += 1) {
|
if (CPU_ISSET_S(cpu, cpu_setsize, cpu_present_set))
|
CPU_SET_S(cpu, cpu_setsize, cpu_selected_set);
|
}
|
startp += 3;
|
if (*startp == 0)
|
break;
|
}
|
/* "--cpu even" is not documented */
|
if (strncmp(startp, "even", 4) == 0) {
|
for (cpu = 0; cpu <= max_cpu_num; cpu += 2) {
|
if (CPU_ISSET_S(cpu, cpu_setsize, cpu_present_set))
|
CPU_SET_S(cpu, cpu_setsize, cpu_selected_set);
|
}
|
startp += 4;
|
if (*startp == 0)
|
break;
|
}
|
|
/* "--cpu odd" is not documented */
|
if (strncmp(startp, "odd", 3) == 0) {
|
for (cpu = 1; cpu <= max_cpu_num; cpu += 2) {
|
if (CPU_ISSET_S(cpu, cpu_setsize, cpu_present_set))
|
CPU_SET_S(cpu, cpu_setsize, cpu_selected_set);
|
}
|
startp += 3;
|
if (*startp == 0)
|
break;
|
}
|
|
cpu = strtol(startp, &endp, 10);
|
if (startp == endp)
|
errx(1, "--cpu cpu-set: confused by '%s'", startp);
|
if (cpu > max_cpu_num)
|
errx(1, "Requested cpu%d exceeds max cpu%d", cpu, max_cpu_num);
|
CPU_SET_S(cpu, cpu_setsize, cpu_selected_set);
|
startp = endp;
|
}
|
|
validate_cpu_selected_set();
|
|
}
|
|
void parse_cmdline_pkg(char *s)
|
{
|
char *startp, *endp;
|
int pkg = 0;
|
|
if (cpu_selected_set) {
|
usage();
|
errx(1, "--pkg | --cpu");
|
}
|
pkg_selected_set = 0;
|
|
for (startp = s; startp && *startp;) {
|
|
if (*startp == ',') {
|
startp++;
|
continue;
|
}
|
|
if (*startp == '-') {
|
int end_pkg;
|
|
startp++;
|
end_pkg = strtol(startp, &endp, 10);
|
if (startp == endp)
|
continue;
|
|
while (pkg <= end_pkg) {
|
if (pkg > max_pkg_num)
|
errx(1, "Requested pkg%d exceeds max pkg%d", pkg, max_pkg_num);
|
pkg_selected_set |= 1 << pkg;
|
pkg++;
|
}
|
startp = endp;
|
continue;
|
}
|
|
if (strncmp(startp, "all", 3) == 0) {
|
pkg_selected_set = pkg_present_set;
|
return;
|
}
|
|
pkg = strtol(startp, &endp, 10);
|
if (pkg > max_pkg_num)
|
errx(1, "Requested pkg%d Exceeds max pkg%d", pkg, max_pkg_num);
|
pkg_selected_set |= 1 << pkg;
|
startp = endp;
|
}
|
}
|
|
void for_packages(unsigned long long pkg_set, int (func)(int))
|
{
|
int pkg_num;
|
|
for (pkg_num = 0; pkg_num <= max_pkg_num; ++pkg_num) {
|
if (pkg_set & (1UL << pkg_num))
|
func(pkg_num);
|
}
|
}
|
|
void print_version(void)
|
{
|
printf("x86_energy_perf_policy 17.05.11 (C) Len Brown <len.brown@intel.com>\n");
|
}
|
|
void cmdline(int argc, char **argv)
|
{
|
int opt;
|
int option_index = 0;
|
|
static struct option long_options[] = {
|
{"all", required_argument, 0, 'a'},
|
{"cpu", required_argument, 0, 'c'},
|
{"pkg", required_argument, 0, 'p'},
|
{"debug", no_argument, 0, 'd'},
|
{"hwp-desired", required_argument, 0, 'D'},
|
{"epb", required_argument, 0, 'B'},
|
{"force", no_argument, 0, 'f'},
|
{"hwp-enable", no_argument, 0, 'e'},
|
{"help", no_argument, 0, 'h'},
|
{"hwp-epp", required_argument, 0, 'P'},
|
{"hwp-min", required_argument, 0, 'm'},
|
{"hwp-max", required_argument, 0, 'M'},
|
{"read", no_argument, 0, 'r'},
|
{"turbo-enable", required_argument, 0, 't'},
|
{"hwp-use-pkg", required_argument, 0, 'u'},
|
{"version", no_argument, 0, 'v'},
|
{"hwp-window", required_argument, 0, 'w'},
|
{0, 0, 0, 0 }
|
};
|
|
progname = argv[0];
|
|
while ((opt = getopt_long_only(argc, argv, "+a:c:dD:E:e:f:m:M:rt:u:vw:",
|
long_options, &option_index)) != -1) {
|
switch (opt) {
|
case 'a':
|
parse_cmdline_all(optarg);
|
break;
|
case 'B':
|
new_epb = parse_cmdline_epb(parse_optarg_string(optarg));
|
break;
|
case 'c':
|
parse_cmdline_cpu(optarg);
|
break;
|
case 'e':
|
update_hwp_enable = 1;
|
break;
|
case 'h':
|
usage();
|
break;
|
case 'd':
|
debug++;
|
verbose++;
|
break;
|
case 'f':
|
force++;
|
break;
|
case 'D':
|
req_update.hwp_desired = parse_cmdline_hwp_desired(parse_optarg_string(optarg));
|
break;
|
case 'm':
|
req_update.hwp_min = parse_cmdline_hwp_min(parse_optarg_string(optarg));
|
break;
|
case 'M':
|
req_update.hwp_max = parse_cmdline_hwp_max(parse_optarg_string(optarg));
|
break;
|
case 'p':
|
parse_cmdline_pkg(optarg);
|
break;
|
case 'P':
|
req_update.hwp_epp = parse_cmdline_hwp_epp(parse_optarg_string(optarg));
|
break;
|
case 'r':
|
/* v1 used -r to specify read-only mode, now the default */
|
break;
|
case 't':
|
turbo_update_value = parse_cmdline_turbo(parse_optarg_string(optarg));
|
break;
|
case 'u':
|
update_hwp_use_pkg++;
|
if (atoi(optarg) == 0)
|
req_update.hwp_use_pkg = 0;
|
else
|
req_update.hwp_use_pkg = 1;
|
break;
|
case 'v':
|
print_version();
|
exit(0);
|
break;
|
case 'w':
|
req_update.hwp_window = parse_cmdline_hwp_window(parse_optarg_string(optarg));
|
break;
|
default:
|
usage();
|
}
|
}
|
/*
|
* v1 allowed "performance"|"normal"|"power" with no policy specifier
|
* to update BIAS. Continue to support that, even though no longer documented.
|
*/
|
if (argc == optind + 1)
|
new_epb = parse_cmdline_epb(parse_optarg_string(argv[optind]));
|
|
if (argc > optind + 1) {
|
fprintf(stderr, "stray parameter '%s'\n", argv[optind + 1]);
|
usage();
|
}
|
}
|
|
|
int get_msr(int cpu, int offset, unsigned long long *msr)
|
{
|
int retval;
|
char pathname[32];
|
int fd;
|
|
sprintf(pathname, "/dev/cpu/%d/msr", cpu);
|
fd = open(pathname, O_RDONLY);
|
if (fd < 0)
|
err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
|
|
retval = pread(fd, msr, sizeof(*msr), offset);
|
if (retval != sizeof(*msr))
|
err(-1, "%s offset 0x%llx read failed", pathname, (unsigned long long)offset);
|
|
if (debug > 1)
|
fprintf(stderr, "get_msr(cpu%d, 0x%X, 0x%llX)\n", cpu, offset, *msr);
|
|
close(fd);
|
return 0;
|
}
|
|
int put_msr(int cpu, int offset, unsigned long long new_msr)
|
{
|
char pathname[32];
|
int retval;
|
int fd;
|
|
sprintf(pathname, "/dev/cpu/%d/msr", cpu);
|
fd = open(pathname, O_RDWR);
|
if (fd < 0)
|
err(-1, "%s open failed, try chown or chmod +r /dev/cpu/*/msr, or run as root", pathname);
|
|
retval = pwrite(fd, &new_msr, sizeof(new_msr), offset);
|
if (retval != sizeof(new_msr))
|
err(-2, "pwrite(cpu%d, offset 0x%x, 0x%llx) = %d", cpu, offset, new_msr, retval);
|
|
close(fd);
|
|
if (debug > 1)
|
fprintf(stderr, "put_msr(cpu%d, 0x%X, 0x%llX)\n", cpu, offset, new_msr);
|
|
return 0;
|
}
|
|
void print_hwp_cap(int cpu, struct msr_hwp_cap *cap, char *str)
|
{
|
if (cpu != -1)
|
printf("cpu%d: ", cpu);
|
|
printf("HWP_CAP: low %d eff %d guar %d high %d\n",
|
cap->lowest, cap->efficient, cap->guaranteed, cap->highest);
|
}
|
void read_hwp_cap(int cpu, struct msr_hwp_cap *cap, unsigned int msr_offset)
|
{
|
unsigned long long msr;
|
|
get_msr(cpu, msr_offset, &msr);
|
|
cap->highest = msr_perf_2_ratio(HWP_HIGHEST_PERF(msr));
|
cap->guaranteed = msr_perf_2_ratio(HWP_GUARANTEED_PERF(msr));
|
cap->efficient = msr_perf_2_ratio(HWP_MOSTEFFICIENT_PERF(msr));
|
cap->lowest = msr_perf_2_ratio(HWP_LOWEST_PERF(msr));
|
}
|
|
void print_hwp_request(int cpu, struct msr_hwp_request *h, char *str)
|
{
|
if (cpu != -1)
|
printf("cpu%d: ", cpu);
|
|
if (str)
|
printf("%s", str);
|
|
printf("HWP_REQ: min %d max %d des %d epp %d window 0x%x (%d*10^%dus) use_pkg %d\n",
|
h->hwp_min, h->hwp_max, h->hwp_desired, h->hwp_epp,
|
h->hwp_window, h->hwp_window & 0x7F, (h->hwp_window >> 7) & 0x7, h->hwp_use_pkg);
|
}
|
void print_hwp_request_pkg(int pkg, struct msr_hwp_request *h, char *str)
|
{
|
printf("pkg%d: ", pkg);
|
|
if (str)
|
printf("%s", str);
|
|
printf("HWP_REQ_PKG: min %d max %d des %d epp %d window 0x%x (%d*10^%dus)\n",
|
h->hwp_min, h->hwp_max, h->hwp_desired, h->hwp_epp,
|
h->hwp_window, h->hwp_window & 0x7F, (h->hwp_window >> 7) & 0x7);
|
}
|
void read_hwp_request(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr_offset)
|
{
|
unsigned long long msr;
|
|
get_msr(cpu, msr_offset, &msr);
|
|
hwp_req->hwp_min = msr_perf_2_ratio((((msr) >> 0) & 0xff));
|
hwp_req->hwp_max = msr_perf_2_ratio((((msr) >> 8) & 0xff));
|
hwp_req->hwp_desired = msr_perf_2_ratio((((msr) >> 16) & 0xff));
|
hwp_req->hwp_epp = (((msr) >> 24) & 0xff);
|
hwp_req->hwp_window = (((msr) >> 32) & 0x3ff);
|
hwp_req->hwp_use_pkg = (((msr) >> 42) & 0x1);
|
}
|
|
void write_hwp_request(int cpu, struct msr_hwp_request *hwp_req, unsigned int msr_offset)
|
{
|
unsigned long long msr = 0;
|
|
if (debug > 1)
|
printf("cpu%d: requesting min %d max %d des %d epp %d window 0x%0x use_pkg %d\n",
|
cpu, hwp_req->hwp_min, hwp_req->hwp_max,
|
hwp_req->hwp_desired, hwp_req->hwp_epp,
|
hwp_req->hwp_window, hwp_req->hwp_use_pkg);
|
|
msr |= HWP_MIN_PERF(ratio_2_msr_perf(hwp_req->hwp_min));
|
msr |= HWP_MAX_PERF(ratio_2_msr_perf(hwp_req->hwp_max));
|
msr |= HWP_DESIRED_PERF(ratio_2_msr_perf(hwp_req->hwp_desired));
|
msr |= HWP_ENERGY_PERF_PREFERENCE(hwp_req->hwp_epp);
|
msr |= HWP_ACTIVITY_WINDOW(hwp_req->hwp_window);
|
msr |= HWP_PACKAGE_CONTROL(hwp_req->hwp_use_pkg);
|
|
put_msr(cpu, msr_offset, msr);
|
}
|
|
int print_cpu_msrs(int cpu)
|
{
|
unsigned long long msr;
|
struct msr_hwp_request req;
|
struct msr_hwp_cap cap;
|
|
if (has_epb) {
|
get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr);
|
|
printf("cpu%d: EPB %u\n", cpu, (unsigned int) msr);
|
}
|
|
if (!has_hwp)
|
return 0;
|
|
read_hwp_request(cpu, &req, MSR_HWP_REQUEST);
|
print_hwp_request(cpu, &req, "");
|
|
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);
|
print_hwp_cap(cpu, &cap, "");
|
|
return 0;
|
}
|
|
int print_pkg_msrs(int pkg)
|
{
|
struct msr_hwp_request req;
|
unsigned long long msr;
|
|
if (!has_hwp)
|
return 0;
|
|
read_hwp_request(first_cpu_in_pkg[pkg], &req, MSR_HWP_REQUEST_PKG);
|
print_hwp_request_pkg(pkg, &req, "");
|
|
if (has_hwp_notify) {
|
get_msr(first_cpu_in_pkg[pkg], MSR_HWP_INTERRUPT, &msr);
|
fprintf(stderr,
|
"pkg%d: MSR_HWP_INTERRUPT: 0x%08llx (Excursion_Min-%sabled, Guaranteed_Perf_Change-%sabled)\n",
|
pkg, msr,
|
((msr) & 0x2) ? "EN" : "Dis",
|
((msr) & 0x1) ? "EN" : "Dis");
|
}
|
get_msr(first_cpu_in_pkg[pkg], MSR_HWP_STATUS, &msr);
|
fprintf(stderr,
|
"pkg%d: MSR_HWP_STATUS: 0x%08llx (%sExcursion_Min, %sGuaranteed_Perf_Change)\n",
|
pkg, msr,
|
((msr) & 0x4) ? "" : "No-",
|
((msr) & 0x1) ? "" : "No-");
|
|
return 0;
|
}
|
|
/*
|
* Assumption: All HWP systems have 100 MHz bus clock
|
*/
|
int ratio_2_sysfs_khz(int ratio)
|
{
|
int bclk_khz = 100 * 1000; /* 100,000 KHz = 100 MHz */
|
|
return ratio * bclk_khz;
|
}
|
/*
|
* If HWP is enabled and cpufreq sysfs attribtes are present,
|
* then update sysfs, so that it will not become
|
* stale when we write to MSRs.
|
* (intel_pstate's max_perf_pct and min_perf_pct will follow cpufreq,
|
* so we don't have to touch that.)
|
*/
|
void update_cpufreq_scaling_freq(int is_max, int cpu, unsigned int ratio)
|
{
|
char pathname[64];
|
FILE *fp;
|
int retval;
|
int khz;
|
|
sprintf(pathname, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_%s_freq",
|
cpu, is_max ? "max" : "min");
|
|
fp = fopen(pathname, "w");
|
if (!fp) {
|
if (debug)
|
perror(pathname);
|
return;
|
}
|
|
khz = ratio_2_sysfs_khz(ratio);
|
retval = fprintf(fp, "%d", khz);
|
if (retval < 0)
|
if (debug)
|
perror("fprintf");
|
if (debug)
|
printf("echo %d > %s\n", khz, pathname);
|
|
fclose(fp);
|
}
|
|
/*
|
* We update all sysfs before updating any MSRs because of
|
* bugs in cpufreq/intel_pstate where the sysfs writes
|
* for a CPU may change the min/max values on other CPUS.
|
*/
|
|
int update_sysfs(int cpu)
|
{
|
if (!has_hwp)
|
return 0;
|
|
if (!hwp_update_enabled())
|
return 0;
|
|
if (access("/sys/devices/system/cpu/cpu0/cpufreq", F_OK))
|
return 0;
|
|
if (update_hwp_min)
|
update_cpufreq_scaling_freq(0, cpu, req_update.hwp_min);
|
|
if (update_hwp_max)
|
update_cpufreq_scaling_freq(1, cpu, req_update.hwp_max);
|
|
return 0;
|
}
|
|
int verify_hwp_req_self_consistency(int cpu, struct msr_hwp_request *req)
|
{
|
/* fail if min > max requested */
|
if (req->hwp_min > req->hwp_max) {
|
errx(1, "cpu%d: requested hwp-min %d > hwp_max %d",
|
cpu, req->hwp_min, req->hwp_max);
|
}
|
|
/* fail if desired > max requestd */
|
if (req->hwp_desired && (req->hwp_desired > req->hwp_max)) {
|
errx(1, "cpu%d: requested hwp-desired %d > hwp_max %d",
|
cpu, req->hwp_desired, req->hwp_max);
|
}
|
/* fail if desired < min requestd */
|
if (req->hwp_desired && (req->hwp_desired < req->hwp_min)) {
|
errx(1, "cpu%d: requested hwp-desired %d < requested hwp_min %d",
|
cpu, req->hwp_desired, req->hwp_min);
|
}
|
|
return 0;
|
}
|
|
int check_hwp_request_v_hwp_capabilities(int cpu, struct msr_hwp_request *req, struct msr_hwp_cap *cap)
|
{
|
if (update_hwp_max) {
|
if (req->hwp_max > cap->highest)
|
errx(1, "cpu%d: requested max %d > capabilities highest %d, use --force?",
|
cpu, req->hwp_max, cap->highest);
|
if (req->hwp_max < cap->lowest)
|
errx(1, "cpu%d: requested max %d < capabilities lowest %d, use --force?",
|
cpu, req->hwp_max, cap->lowest);
|
}
|
|
if (update_hwp_min) {
|
if (req->hwp_min > cap->highest)
|
errx(1, "cpu%d: requested min %d > capabilities highest %d, use --force?",
|
cpu, req->hwp_min, cap->highest);
|
if (req->hwp_min < cap->lowest)
|
errx(1, "cpu%d: requested min %d < capabilities lowest %d, use --force?",
|
cpu, req->hwp_min, cap->lowest);
|
}
|
|
if (update_hwp_min && update_hwp_max && (req->hwp_min > req->hwp_max))
|
errx(1, "cpu%d: requested min %d > requested max %d",
|
cpu, req->hwp_min, req->hwp_max);
|
|
if (update_hwp_desired && req->hwp_desired) {
|
if (req->hwp_desired > req->hwp_max)
|
errx(1, "cpu%d: requested desired %d > requested max %d, use --force?",
|
cpu, req->hwp_desired, req->hwp_max);
|
if (req->hwp_desired < req->hwp_min)
|
errx(1, "cpu%d: requested desired %d < requested min %d, use --force?",
|
cpu, req->hwp_desired, req->hwp_min);
|
if (req->hwp_desired < cap->lowest)
|
errx(1, "cpu%d: requested desired %d < capabilities lowest %d, use --force?",
|
cpu, req->hwp_desired, cap->lowest);
|
if (req->hwp_desired > cap->highest)
|
errx(1, "cpu%d: requested desired %d > capabilities highest %d, use --force?",
|
cpu, req->hwp_desired, cap->highest);
|
}
|
|
return 0;
|
}
|
|
int update_hwp_request(int cpu)
|
{
|
struct msr_hwp_request req;
|
struct msr_hwp_cap cap;
|
|
int msr_offset = MSR_HWP_REQUEST;
|
|
read_hwp_request(cpu, &req, msr_offset);
|
if (debug)
|
print_hwp_request(cpu, &req, "old: ");
|
|
if (update_hwp_min)
|
req.hwp_min = req_update.hwp_min;
|
|
if (update_hwp_max)
|
req.hwp_max = req_update.hwp_max;
|
|
if (update_hwp_desired)
|
req.hwp_desired = req_update.hwp_desired;
|
|
if (update_hwp_window)
|
req.hwp_window = req_update.hwp_window;
|
|
if (update_hwp_epp)
|
req.hwp_epp = req_update.hwp_epp;
|
|
req.hwp_use_pkg = req_update.hwp_use_pkg;
|
|
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);
|
if (debug)
|
print_hwp_cap(cpu, &cap, "");
|
|
if (!force)
|
check_hwp_request_v_hwp_capabilities(cpu, &req, &cap);
|
|
verify_hwp_req_self_consistency(cpu, &req);
|
|
write_hwp_request(cpu, &req, msr_offset);
|
|
if (debug) {
|
read_hwp_request(cpu, &req, msr_offset);
|
print_hwp_request(cpu, &req, "new: ");
|
}
|
return 0;
|
}
|
int update_hwp_request_pkg(int pkg)
|
{
|
struct msr_hwp_request req;
|
struct msr_hwp_cap cap;
|
int cpu = first_cpu_in_pkg[pkg];
|
|
int msr_offset = MSR_HWP_REQUEST_PKG;
|
|
read_hwp_request(cpu, &req, msr_offset);
|
if (debug)
|
print_hwp_request_pkg(pkg, &req, "old: ");
|
|
if (update_hwp_min)
|
req.hwp_min = req_update.hwp_min;
|
|
if (update_hwp_max)
|
req.hwp_max = req_update.hwp_max;
|
|
if (update_hwp_desired)
|
req.hwp_desired = req_update.hwp_desired;
|
|
if (update_hwp_window)
|
req.hwp_window = req_update.hwp_window;
|
|
if (update_hwp_epp)
|
req.hwp_epp = req_update.hwp_epp;
|
|
read_hwp_cap(cpu, &cap, MSR_HWP_CAPABILITIES);
|
if (debug)
|
print_hwp_cap(cpu, &cap, "");
|
|
if (!force)
|
check_hwp_request_v_hwp_capabilities(cpu, &req, &cap);
|
|
verify_hwp_req_self_consistency(cpu, &req);
|
|
write_hwp_request(cpu, &req, msr_offset);
|
|
if (debug) {
|
read_hwp_request(cpu, &req, msr_offset);
|
print_hwp_request_pkg(pkg, &req, "new: ");
|
}
|
return 0;
|
}
|
|
int enable_hwp_on_cpu(int cpu)
|
{
|
unsigned long long msr;
|
|
get_msr(cpu, MSR_PM_ENABLE, &msr);
|
put_msr(cpu, MSR_PM_ENABLE, 1);
|
|
if (verbose)
|
printf("cpu%d: MSR_PM_ENABLE old: %d new: %d\n", cpu, (unsigned int) msr, 1);
|
|
return 0;
|
}
|
|
int update_cpu_msrs(int cpu)
|
{
|
unsigned long long msr;
|
|
|
if (update_epb) {
|
get_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, &msr);
|
put_msr(cpu, MSR_IA32_ENERGY_PERF_BIAS, new_epb);
|
|
if (verbose)
|
printf("cpu%d: ENERGY_PERF_BIAS old: %d new: %d\n",
|
cpu, (unsigned int) msr, (unsigned int) new_epb);
|
}
|
|
if (update_turbo) {
|
int turbo_is_present_and_disabled;
|
|
get_msr(cpu, MSR_IA32_MISC_ENABLE, &msr);
|
|
turbo_is_present_and_disabled = ((msr & MSR_IA32_MISC_ENABLE_TURBO_DISABLE) != 0);
|
|
if (turbo_update_value == 1) {
|
if (turbo_is_present_and_disabled) {
|
msr &= ~MSR_IA32_MISC_ENABLE_TURBO_DISABLE;
|
put_msr(cpu, MSR_IA32_MISC_ENABLE, msr);
|
if (verbose)
|
printf("cpu%d: turbo ENABLE\n", cpu);
|
}
|
} else {
|
/*
|
* if "turbo_is_enabled" were known to be describe this cpu
|
* then we could use it here to skip redundant disable requests.
|
* but cpu may be in a different package, so we always write.
|
*/
|
msr |= MSR_IA32_MISC_ENABLE_TURBO_DISABLE;
|
put_msr(cpu, MSR_IA32_MISC_ENABLE, msr);
|
if (verbose)
|
printf("cpu%d: turbo DISABLE\n", cpu);
|
}
|
}
|
|
if (!has_hwp)
|
return 0;
|
|
if (!hwp_update_enabled())
|
return 0;
|
|
update_hwp_request(cpu);
|
return 0;
|
}
|
|
/*
|
* Open a file, and exit on failure
|
*/
|
FILE *fopen_or_die(const char *path, const char *mode)
|
{
|
FILE *filep = fopen(path, "r");
|
|
if (!filep)
|
err(1, "%s: open failed", path);
|
return filep;
|
}
|
|
unsigned int get_pkg_num(int cpu)
|
{
|
FILE *fp;
|
char pathname[128];
|
unsigned int pkg;
|
int retval;
|
|
sprintf(pathname, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id", cpu);
|
|
fp = fopen_or_die(pathname, "r");
|
retval = fscanf(fp, "%d\n", &pkg);
|
if (retval != 1)
|
errx(1, "%s: failed to parse", pathname);
|
return pkg;
|
}
|
|
int set_max_cpu_pkg_num(int cpu)
|
{
|
unsigned int pkg;
|
|
if (max_cpu_num < cpu)
|
max_cpu_num = cpu;
|
|
pkg = get_pkg_num(cpu);
|
|
if (pkg >= MAX_PACKAGES)
|
errx(1, "cpu%d: %d >= MAX_PACKAGES (%d)", cpu, pkg, MAX_PACKAGES);
|
|
if (pkg > max_pkg_num)
|
max_pkg_num = pkg;
|
|
if ((pkg_present_set & (1ULL << pkg)) == 0) {
|
pkg_present_set |= (1ULL << pkg);
|
first_cpu_in_pkg[pkg] = cpu;
|
}
|
|
return 0;
|
}
|
int mark_cpu_present(int cpu)
|
{
|
CPU_SET_S(cpu, cpu_setsize, cpu_present_set);
|
return 0;
|
}
|
|
/*
|
* run func(cpu) on every cpu in /proc/stat
|
* return max_cpu number
|
*/
|
int for_all_proc_cpus(int (func)(int))
|
{
|
FILE *fp;
|
int cpu_num;
|
int retval;
|
|
fp = fopen_or_die(proc_stat, "r");
|
|
retval = fscanf(fp, "cpu %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n");
|
if (retval != 0)
|
err(1, "%s: failed to parse format", proc_stat);
|
|
while (1) {
|
retval = fscanf(fp, "cpu%u %*d %*d %*d %*d %*d %*d %*d %*d %*d %*d\n", &cpu_num);
|
if (retval != 1)
|
break;
|
|
retval = func(cpu_num);
|
if (retval) {
|
fclose(fp);
|
return retval;
|
}
|
}
|
fclose(fp);
|
return 0;
|
}
|
|
void for_all_cpus_in_set(size_t set_size, cpu_set_t *cpu_set, int (func)(int))
|
{
|
int cpu_num;
|
|
for (cpu_num = 0; cpu_num <= max_cpu_num; ++cpu_num)
|
if (CPU_ISSET_S(cpu_num, set_size, cpu_set))
|
func(cpu_num);
|
}
|
|
void init_data_structures(void)
|
{
|
for_all_proc_cpus(set_max_cpu_pkg_num);
|
|
cpu_setsize = CPU_ALLOC_SIZE((max_cpu_num + 1));
|
|
cpu_present_set = CPU_ALLOC((max_cpu_num + 1));
|
if (cpu_present_set == NULL)
|
err(3, "CPU_ALLOC");
|
CPU_ZERO_S(cpu_setsize, cpu_present_set);
|
for_all_proc_cpus(mark_cpu_present);
|
}
|
|
/* clear has_hwp if it is not enable (or being enabled) */
|
|
void verify_hwp_is_enabled(void)
|
{
|
unsigned long long msr;
|
|
if (!has_hwp) /* set in early_cpuid() */
|
return;
|
|
/* MSR_PM_ENABLE[1] == 1 if HWP is enabled and MSRs visible */
|
get_msr(base_cpu, MSR_PM_ENABLE, &msr);
|
if ((msr & 1) == 0) {
|
fprintf(stderr, "HWP can be enabled using '--hwp-enable'\n");
|
has_hwp = 0;
|
return;
|
}
|
}
|
|
int req_update_bounds_check(void)
|
{
|
if (!hwp_update_enabled())
|
return 0;
|
|
/* fail if min > max requested */
|
if ((update_hwp_max && update_hwp_min) &&
|
(req_update.hwp_min > req_update.hwp_max)) {
|
printf("hwp-min %d > hwp_max %d\n", req_update.hwp_min, req_update.hwp_max);
|
return -EINVAL;
|
}
|
|
/* fail if desired > max requestd */
|
if (req_update.hwp_desired && update_hwp_max &&
|
(req_update.hwp_desired > req_update.hwp_max)) {
|
printf("hwp-desired cannot be greater than hwp_max\n");
|
return -EINVAL;
|
}
|
/* fail if desired < min requestd */
|
if (req_update.hwp_desired && update_hwp_min &&
|
(req_update.hwp_desired < req_update.hwp_min)) {
|
printf("hwp-desired cannot be less than hwp_min\n");
|
return -EINVAL;
|
}
|
|
return 0;
|
}
|
|
void set_base_cpu(void)
|
{
|
base_cpu = sched_getcpu();
|
if (base_cpu < 0)
|
err(-ENODEV, "No valid cpus found");
|
}
|
|
|
void probe_dev_msr(void)
|
{
|
struct stat sb;
|
char pathname[32];
|
|
sprintf(pathname, "/dev/cpu/%d/msr", base_cpu);
|
if (stat(pathname, &sb))
|
if (system("/sbin/modprobe msr > /dev/null 2>&1"))
|
err(-5, "no /dev/cpu/0/msr, Try \"# modprobe msr\" ");
|
}
|
|
static void get_cpuid_or_exit(unsigned int leaf,
|
unsigned int *eax, unsigned int *ebx,
|
unsigned int *ecx, unsigned int *edx)
|
{
|
if (!__get_cpuid(leaf, eax, ebx, ecx, edx))
|
errx(1, "Processor not supported\n");
|
}
|
|
/*
|
* early_cpuid()
|
* initialize turbo_is_enabled, has_hwp, has_epb
|
* before cmdline is parsed
|
*/
|
void early_cpuid(void)
|
{
|
unsigned int eax, ebx, ecx, edx;
|
unsigned int fms, family, model;
|
|
get_cpuid_or_exit(1, &fms, &ebx, &ecx, &edx);
|
family = (fms >> 8) & 0xf;
|
model = (fms >> 4) & 0xf;
|
if (family == 6 || family == 0xf)
|
model += ((fms >> 16) & 0xf) << 4;
|
|
if (model == 0x4F) {
|
unsigned long long msr;
|
|
get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);
|
|
bdx_highest_ratio = msr & 0xFF;
|
}
|
|
get_cpuid_or_exit(0x6, &eax, &ebx, &ecx, &edx);
|
turbo_is_enabled = (eax >> 1) & 1;
|
has_hwp = (eax >> 7) & 1;
|
has_epb = (ecx >> 3) & 1;
|
}
|
|
/*
|
* parse_cpuid()
|
* set
|
* has_hwp, has_hwp_notify, has_hwp_activity_window, has_hwp_epp, has_hwp_request_pkg, has_epb
|
*/
|
void parse_cpuid(void)
|
{
|
unsigned int eax, ebx, ecx, edx, max_level;
|
unsigned int fms, family, model, stepping;
|
|
eax = ebx = ecx = edx = 0;
|
|
get_cpuid_or_exit(0, &max_level, &ebx, &ecx, &edx);
|
|
if (ebx == 0x756e6547 && edx == 0x49656e69 && ecx == 0x6c65746e)
|
genuine_intel = 1;
|
|
if (debug)
|
fprintf(stderr, "CPUID(0): %.4s%.4s%.4s ",
|
(char *)&ebx, (char *)&edx, (char *)&ecx);
|
|
get_cpuid_or_exit(1, &fms, &ebx, &ecx, &edx);
|
family = (fms >> 8) & 0xf;
|
model = (fms >> 4) & 0xf;
|
stepping = fms & 0xf;
|
if (family == 6 || family == 0xf)
|
model += ((fms >> 16) & 0xf) << 4;
|
|
if (debug) {
|
fprintf(stderr, "%d CPUID levels; family:model:stepping 0x%x:%x:%x (%d:%d:%d)\n",
|
max_level, family, model, stepping, family, model, stepping);
|
fprintf(stderr, "CPUID(1): %s %s %s %s %s %s %s %s\n",
|
ecx & (1 << 0) ? "SSE3" : "-",
|
ecx & (1 << 3) ? "MONITOR" : "-",
|
ecx & (1 << 7) ? "EIST" : "-",
|
ecx & (1 << 8) ? "TM2" : "-",
|
edx & (1 << 4) ? "TSC" : "-",
|
edx & (1 << 5) ? "MSR" : "-",
|
edx & (1 << 22) ? "ACPI-TM" : "-",
|
edx & (1 << 29) ? "TM" : "-");
|
}
|
|
if (!(edx & (1 << 5)))
|
errx(1, "CPUID: no MSR");
|
|
|
get_cpuid_or_exit(0x6, &eax, &ebx, &ecx, &edx);
|
/* turbo_is_enabled already set */
|
/* has_hwp already set */
|
has_hwp_notify = eax & (1 << 8);
|
has_hwp_activity_window = eax & (1 << 9);
|
has_hwp_epp = eax & (1 << 10);
|
has_hwp_request_pkg = eax & (1 << 11);
|
|
if (!has_hwp_request_pkg && update_hwp_use_pkg)
|
errx(1, "--hwp-use-pkg is not available on this hardware");
|
|
/* has_epb already set */
|
|
if (debug)
|
fprintf(stderr,
|
"CPUID(6): %sTURBO, %sHWP, %sHWPnotify, %sHWPwindow, %sHWPepp, %sHWPpkg, %sEPB\n",
|
turbo_is_enabled ? "" : "No-",
|
has_hwp ? "" : "No-",
|
has_hwp_notify ? "" : "No-",
|
has_hwp_activity_window ? "" : "No-",
|
has_hwp_epp ? "" : "No-",
|
has_hwp_request_pkg ? "" : "No-",
|
has_epb ? "" : "No-");
|
|
return; /* success */
|
}
|
|
int main(int argc, char **argv)
|
{
|
set_base_cpu();
|
probe_dev_msr();
|
init_data_structures();
|
|
early_cpuid(); /* initial cpuid parse before cmdline */
|
|
cmdline(argc, argv);
|
|
if (debug)
|
print_version();
|
|
parse_cpuid();
|
|
/* If CPU-set and PKG-set are not initialized, default to all CPUs */
|
if ((cpu_selected_set == 0) && (pkg_selected_set == 0))
|
cpu_selected_set = cpu_present_set;
|
|
/*
|
* If HWP is being enabled, do it now, so that subsequent operations
|
* that access HWP registers can work.
|
*/
|
if (update_hwp_enable)
|
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, enable_hwp_on_cpu);
|
|
/* If HWP present, but disabled, warn and ignore from here forward */
|
verify_hwp_is_enabled();
|
|
if (req_update_bounds_check())
|
return -EINVAL;
|
|
/* display information only, no updates to settings */
|
if (!update_epb && !update_turbo && !hwp_update_enabled()) {
|
if (cpu_selected_set)
|
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, print_cpu_msrs);
|
|
if (has_hwp_request_pkg) {
|
if (pkg_selected_set == 0)
|
pkg_selected_set = pkg_present_set;
|
|
for_packages(pkg_selected_set, print_pkg_msrs);
|
}
|
|
return 0;
|
}
|
|
/* update CPU set */
|
if (cpu_selected_set) {
|
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_sysfs);
|
for_all_cpus_in_set(cpu_setsize, cpu_selected_set, update_cpu_msrs);
|
} else if (pkg_selected_set)
|
for_packages(pkg_selected_set, update_hwp_request_pkg);
|
|
return 0;
|
}
|
