blob: bf9fd3549a1d5e837c73e24ae35f3ef13d918d69 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
/*
* Intel Speed Select -- Enumerate and control features
* Copyright (c) 2019 Intel Corporation.
*/
#include <linux/isst_if.h>
#include "isst.h"
struct process_cmd_struct {
char *feature;
char *command;
void (*process_fn)(int arg);
int arg;
};
static const char *version_str = "v1.10";
static const int supported_api_ver = 1;
static struct isst_if_platform_info isst_platform_info;
static char *progname;
static int debug_flag;
static FILE *outf;
static int cpu_model;
static int cpu_stepping;
#define MAX_CPUS_IN_ONE_REQ 256
static short max_target_cpus;
static unsigned short target_cpus[MAX_CPUS_IN_ONE_REQ];
static int topo_max_cpus;
static size_t present_cpumask_size;
static cpu_set_t *present_cpumask;
static size_t target_cpumask_size;
static cpu_set_t *target_cpumask;
static int tdp_level = 0xFF;
static int fact_bucket = 0xFF;
static int fact_avx = 0xFF;
static unsigned long long fact_trl;
static int out_format_json;
static int cmd_help;
static int force_online_offline;
static int auto_mode;
static int fact_enable_fail;
static int mbox_delay;
static int mbox_retries = 3;
/* clos related */
static int current_clos = -1;
static int clos_epp = -1;
static int clos_prop_prio = -1;
static int clos_min = -1;
static int clos_max = -1;
static int clos_desired = -1;
static int clos_priority_type;
struct _cpu_map {
unsigned short core_id;
unsigned short pkg_id;
unsigned short die_id;
unsigned short punit_cpu;
unsigned short punit_cpu_core;
};
struct _cpu_map *cpu_map;
struct cpu_topology {
short cpu;
short core_id;
short pkg_id;
short die_id;
};
FILE *get_output_file(void)
{
return outf;
}
void debug_printf(const char *format, ...)
{
va_list args;
va_start(args, format);
if (debug_flag)
vprintf(format, args);
va_end(args);
}
int is_clx_n_platform(void)
{
if (cpu_model == 0x55)
if (cpu_stepping == 0x6 || cpu_stepping == 0x7)
return 1;
return 0;
}
int is_skx_based_platform(void)
{
if (cpu_model == 0x55)
return 1;
return 0;
}
int is_spr_platform(void)
{
if (cpu_model == 0x8F)
return 1;
return 0;
}
int is_icx_platform(void)
{
if (cpu_model == 0x6A || cpu_model == 0x6C)
return 1;
return 0;
}
static int update_cpu_model(void)
{
unsigned int ebx, ecx, edx;
unsigned int fms, family;
__cpuid(1, fms, ebx, ecx, edx);
family = (fms >> 8) & 0xf;
cpu_model = (fms >> 4) & 0xf;
if (family == 6 || family == 0xf)
cpu_model += ((fms >> 16) & 0xf) << 4;
cpu_stepping = fms & 0xf;
/* only three CascadeLake-N models are supported */
if (is_clx_n_platform()) {
FILE *fp;
size_t n = 0;
char *line = NULL;
int ret = 1;
fp = fopen("/proc/cpuinfo", "r");
if (!fp)
err(-1, "cannot open /proc/cpuinfo\n");
while (getline(&line, &n, fp) > 0) {
if (strstr(line, "model name")) {
if (strstr(line, "6252N") ||
strstr(line, "6230N") ||
strstr(line, "5218N"))
ret = 0;
break;
}
}
free(line);
fclose(fp);
return ret;
}
return 0;
}
/* Open a file, and exit on failure */
static FILE *fopen_or_exit(const char *path, const char *mode)
{
FILE *filep = fopen(path, mode);
if (!filep)
err(1, "%s: open failed", path);
return filep;
}
/* Parse a file containing a single int */
static int parse_int_file(int fatal, const char *fmt, ...)
{
va_list args;
char path[PATH_MAX];
FILE *filep;
int value;
va_start(args, fmt);
vsnprintf(path, sizeof(path), fmt, args);
va_end(args);
if (fatal) {
filep = fopen_or_exit(path, "r");
} else {
filep = fopen(path, "r");
if (!filep)
return -1;
}
if (fscanf(filep, "%d", &value) != 1)
err(1, "%s: failed to parse number from file", path);
fclose(filep);
return value;
}
int cpufreq_sysfs_present(void)
{
DIR *dir;
dir = opendir("/sys/devices/system/cpu/cpu0/cpufreq");
if (dir) {
closedir(dir);
return 1;
}
return 0;
}
int out_format_is_json(void)
{
return out_format_json;
}
static int get_stored_topology_info(int cpu, int *core_id, int *pkg_id, int *die_id)
{
const char *pathname = "/var/run/isst_cpu_topology.dat";
struct cpu_topology cpu_top;
FILE *fp;
int ret;
fp = fopen(pathname, "rb");
if (!fp)
return -1;
ret = fseek(fp, cpu * sizeof(cpu_top), SEEK_SET);
if (ret)
goto err_ret;
ret = fread(&cpu_top, sizeof(cpu_top), 1, fp);
if (ret != 1) {
ret = -1;
goto err_ret;
}
*pkg_id = cpu_top.pkg_id;
*core_id = cpu_top.core_id;
*die_id = cpu_top.die_id;
ret = 0;
err_ret:
fclose(fp);
return ret;
}
static void store_cpu_topology(void)
{
const char *pathname = "/var/run/isst_cpu_topology.dat";
FILE *fp;
int i;
fp = fopen(pathname, "rb");
if (fp) {
/* Mapping already exists */
fclose(fp);
return;
}
fp = fopen(pathname, "wb");
if (!fp) {
fprintf(stderr, "Can't create file:%s\n", pathname);
return;
}
fprintf(stderr, "Caching topology information\n");
for (i = 0; i < topo_max_cpus; ++i) {
struct cpu_topology cpu_top;
cpu_top.core_id = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/core_id", i);
if (cpu_top.core_id < 0)
cpu_top.core_id = -1;
cpu_top.pkg_id = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/physical_package_id", i);
if (cpu_top.pkg_id < 0)
cpu_top.pkg_id = -1;
cpu_top.die_id = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/die_id", i);
if (cpu_top.die_id < 0)
cpu_top.die_id = -1;
cpu_top.cpu = i;
if (fwrite(&cpu_top, sizeof(cpu_top), 1, fp) != 1) {
fprintf(stderr, "Can't write to:%s\n", pathname);
break;
}
}
fclose(fp);
}
int get_physical_package_id(int cpu)
{
int ret;
ret = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
cpu);
if (ret < 0) {
int core_id, pkg_id, die_id;
ret = get_stored_topology_info(cpu, &core_id, &pkg_id, &die_id);
if (!ret)
return pkg_id;
}
return ret;
}
int get_physical_core_id(int cpu)
{
int ret;
ret = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/core_id",
cpu);
if (ret < 0) {
int core_id, pkg_id, die_id;
ret = get_stored_topology_info(cpu, &core_id, &pkg_id, &die_id);
if (!ret)
return core_id;
}
return ret;
}
int get_physical_die_id(int cpu)
{
int ret;
ret = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/die_id",
cpu);
if (ret < 0) {
int core_id, pkg_id, die_id;
ret = get_stored_topology_info(cpu, &core_id, &pkg_id, &die_id);
if (!ret) {
if (die_id < 0)
die_id = 0;
return die_id;
}
}
if (ret < 0)
ret = 0;
return ret;
}
int get_cpufreq_base_freq(int cpu)
{
return parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency", cpu);
}
int get_topo_max_cpus(void)
{
return topo_max_cpus;
}
static void set_cpu_online_offline(int cpu, int state)
{
char buffer[128];
int fd, ret;
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/online", cpu);
fd = open(buffer, O_WRONLY);
if (fd < 0) {
if (!cpu && state) {
fprintf(stderr, "This system is not configured for CPU 0 online/offline\n");
fprintf(stderr, "Ignoring online request for CPU 0 as this is already online\n");
return;
}
err(-1, "%s open failed", buffer);
}
if (state)
ret = write(fd, "1\n", 2);
else
ret = write(fd, "0\n", 2);
if (ret == -1)
perror("Online/Offline: Operation failed\n");
close(fd);
}
static void force_all_cpus_online(void)
{
int i;
fprintf(stderr, "Forcing all CPUs online\n");
for (i = 0; i < topo_max_cpus; ++i)
set_cpu_online_offline(i, 1);
unlink("/var/run/isst_cpu_topology.dat");
}
#define MAX_PACKAGE_COUNT 8
#define MAX_DIE_PER_PACKAGE 2
static void for_each_online_package_in_set(void (*callback)(int, void *, void *,
void *, void *),
void *arg1, void *arg2, void *arg3,
void *arg4)
{
int max_packages[MAX_PACKAGE_COUNT * MAX_PACKAGE_COUNT];
int pkg_index = 0, i;
memset(max_packages, 0xff, sizeof(max_packages));
for (i = 0; i < topo_max_cpus; ++i) {
int j, online, pkg_id, die_id = 0, skip = 0;
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
continue;
if (i)
online = parse_int_file(
1, "/sys/devices/system/cpu/cpu%d/online", i);
else
online =
1; /* online entry for CPU 0 needs some special configs */
die_id = get_physical_die_id(i);
if (die_id < 0)
die_id = 0;
pkg_id = parse_int_file(0,
"/sys/devices/system/cpu/cpu%d/topology/physical_package_id", i);
if (pkg_id < 0)
continue;
/* Create an unique id for package, die combination to store */
pkg_id = (MAX_PACKAGE_COUNT * pkg_id + die_id);
for (j = 0; j < pkg_index; ++j) {
if (max_packages[j] == pkg_id) {
skip = 1;
break;
}
}
if (!skip && online && callback) {
callback(i, arg1, arg2, arg3, arg4);
max_packages[pkg_index++] = pkg_id;
}
}
}
static void for_each_online_target_cpu_in_set(
void (*callback)(int, void *, void *, void *, void *), void *arg1,
void *arg2, void *arg3, void *arg4)
{
int i, found = 0;
for (i = 0; i < topo_max_cpus; ++i) {
int online;
if (!CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
continue;
if (i)
online = parse_int_file(
1, "/sys/devices/system/cpu/cpu%d/online", i);
else
online =
1; /* online entry for CPU 0 needs some special configs */
if (online && callback) {
callback(i, arg1, arg2, arg3, arg4);
found = 1;
}
}
if (!found)
fprintf(stderr, "No valid CPU in the list\n");
}
#define BITMASK_SIZE 32
static void set_max_cpu_num(void)
{
FILE *filep;
unsigned long dummy;
int i;
topo_max_cpus = 0;
for (i = 0; i < 256; ++i) {
char path[256];
snprintf(path, sizeof(path),
"/sys/devices/system/cpu/cpu%d/topology/thread_siblings", i);
filep = fopen(path, "r");
if (filep)
break;
}
if (!filep) {
fprintf(stderr, "Can't get max cpu number\n");
exit(0);
}
while (fscanf(filep, "%lx,", &dummy) == 1)
topo_max_cpus += BITMASK_SIZE;
fclose(filep);
debug_printf("max cpus %d\n", topo_max_cpus);
}
size_t alloc_cpu_set(cpu_set_t **cpu_set)
{
cpu_set_t *_cpu_set;
size_t size;
_cpu_set = CPU_ALLOC((topo_max_cpus + 1));
if (_cpu_set == NULL)
err(3, "CPU_ALLOC");
size = CPU_ALLOC_SIZE((topo_max_cpus + 1));
CPU_ZERO_S(size, _cpu_set);
*cpu_set = _cpu_set;
return size;
}
void free_cpu_set(cpu_set_t *cpu_set)
{
CPU_FREE(cpu_set);
}
static int cpu_cnt[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE];
static long long core_mask[MAX_PACKAGE_COUNT][MAX_DIE_PER_PACKAGE];
static void set_cpu_present_cpu_mask(void)
{
size_t size;
DIR *dir;
int i;
size = alloc_cpu_set(&present_cpumask);
present_cpumask_size = size;
for (i = 0; i < topo_max_cpus; ++i) {
char buffer[256];
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d", i);
dir = opendir(buffer);
if (dir) {
int pkg_id, die_id;
CPU_SET_S(i, size, present_cpumask);
die_id = get_physical_die_id(i);
if (die_id < 0)
die_id = 0;
pkg_id = get_physical_package_id(i);
if (pkg_id < 0) {
fprintf(stderr, "Failed to get package id, CPU %d may be offline\n", i);
continue;
}
if (pkg_id < MAX_PACKAGE_COUNT &&
die_id < MAX_DIE_PER_PACKAGE) {
int core_id = get_physical_core_id(i);
cpu_cnt[pkg_id][die_id]++;
core_mask[pkg_id][die_id] |= (1ULL << core_id);
}
}
closedir(dir);
}
}
int get_max_punit_core_id(int pkg_id, int die_id)
{
int max_id = 0;
int i;
for (i = 0; i < topo_max_cpus; ++i)
{
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
continue;
if (cpu_map[i].pkg_id == pkg_id &&
cpu_map[i].die_id == die_id &&
cpu_map[i].punit_cpu_core > max_id)
max_id = cpu_map[i].punit_cpu_core;
}
return max_id;
}
int get_cpu_count(int pkg_id, int die_id)
{
if (pkg_id < MAX_PACKAGE_COUNT && die_id < MAX_DIE_PER_PACKAGE)
return cpu_cnt[pkg_id][die_id];
return 0;
}
static void set_cpu_target_cpu_mask(void)
{
size_t size;
int i;
size = alloc_cpu_set(&target_cpumask);
target_cpumask_size = size;
for (i = 0; i < max_target_cpus; ++i) {
if (!CPU_ISSET_S(target_cpus[i], present_cpumask_size,
present_cpumask))
continue;
CPU_SET_S(target_cpus[i], size, target_cpumask);
}
}
static void create_cpu_map(void)
{
const char *pathname = "/dev/isst_interface";
int i, fd = 0;
struct isst_if_cpu_maps map;
cpu_map = malloc(sizeof(*cpu_map) * topo_max_cpus);
if (!cpu_map)
err(3, "cpumap");
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
for (i = 0; i < topo_max_cpus; ++i) {
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
continue;
map.cmd_count = 1;
map.cpu_map[0].logical_cpu = i;
debug_printf(" map logical_cpu:%d\n",
map.cpu_map[0].logical_cpu);
if (ioctl(fd, ISST_IF_GET_PHY_ID, &map) == -1) {
perror("ISST_IF_GET_PHY_ID");
fprintf(outf, "Error: map logical_cpu:%d\n",
map.cpu_map[0].logical_cpu);
continue;
}
cpu_map[i].core_id = get_physical_core_id(i);
cpu_map[i].pkg_id = get_physical_package_id(i);
cpu_map[i].die_id = get_physical_die_id(i);
cpu_map[i].punit_cpu = map.cpu_map[0].physical_cpu;
cpu_map[i].punit_cpu_core = (map.cpu_map[0].physical_cpu >>
1); // shift to get core id
debug_printf(
"map logical_cpu:%d core: %d die:%d pkg:%d punit_cpu:%d punit_core:%d\n",
i, cpu_map[i].core_id, cpu_map[i].die_id,
cpu_map[i].pkg_id, cpu_map[i].punit_cpu,
cpu_map[i].punit_cpu_core);
}
if (fd)
close(fd);
}
int find_logical_cpu(int pkg_id, int die_id, int punit_core_id)
{
int i;
for (i = 0; i < topo_max_cpus; ++i) {
if (cpu_map[i].pkg_id == pkg_id &&
cpu_map[i].die_id == die_id &&
cpu_map[i].punit_cpu_core == punit_core_id)
return i;
}
return -EINVAL;
}
void set_cpu_mask_from_punit_coremask(int cpu, unsigned long long core_mask,
size_t core_cpumask_size,
cpu_set_t *core_cpumask, int *cpu_cnt)
{
int i, cnt = 0;
int die_id, pkg_id;
*cpu_cnt = 0;
die_id = get_physical_die_id(cpu);
pkg_id = get_physical_package_id(cpu);
for (i = 0; i < 64; ++i) {
if (core_mask & BIT_ULL(i)) {
int j;
for (j = 0; j < topo_max_cpus; ++j) {
if (!CPU_ISSET_S(j, present_cpumask_size, present_cpumask))
continue;
if (cpu_map[j].pkg_id == pkg_id &&
cpu_map[j].die_id == die_id &&
cpu_map[j].punit_cpu_core == i) {
CPU_SET_S(j, core_cpumask_size,
core_cpumask);
++cnt;
}
}
}
}
*cpu_cnt = cnt;
}
int find_phy_core_num(int logical_cpu)
{
if (logical_cpu < topo_max_cpus)
return cpu_map[logical_cpu].punit_cpu_core;
return -EINVAL;
}
static int isst_send_mmio_command(unsigned int cpu, unsigned int reg, int write,
unsigned int *value)
{
struct isst_if_io_regs io_regs;
const char *pathname = "/dev/isst_interface";
int cmd;
int fd;
debug_printf("mmio_cmd cpu:%d reg:%d write:%d\n", cpu, reg, write);
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
io_regs.req_count = 1;
io_regs.io_reg[0].logical_cpu = cpu;
io_regs.io_reg[0].reg = reg;
cmd = ISST_IF_IO_CMD;
if (write) {
io_regs.io_reg[0].read_write = 1;
io_regs.io_reg[0].value = *value;
} else {
io_regs.io_reg[0].read_write = 0;
}
if (ioctl(fd, cmd, &io_regs) == -1) {
if (errno == ENOTTY) {
perror("ISST_IF_IO_COMMAND\n");
fprintf(stderr, "Check presence of kernel modules: isst_if_mmio\n");
exit(0);
}
fprintf(outf, "Error: mmio_cmd cpu:%d reg:%x read_write:%x\n",
cpu, reg, write);
} else {
if (!write)
*value = io_regs.io_reg[0].value;
debug_printf(
"mmio_cmd response: cpu:%d reg:%x rd_write:%x resp:%x\n",
cpu, reg, write, *value);
}
close(fd);
return 0;
}
int isst_send_mbox_command(unsigned int cpu, unsigned char command,
unsigned char sub_command, unsigned int parameter,
unsigned int req_data, unsigned int *resp)
{
const char *pathname = "/dev/isst_interface";
int fd, retry;
struct isst_if_mbox_cmds mbox_cmds = { 0 };
debug_printf(
"mbox_send: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
cpu, command, sub_command, parameter, req_data);
if (!is_skx_based_platform() && command == CONFIG_CLOS &&
sub_command != CLOS_PM_QOS_CONFIG) {
unsigned int value;
int write = 0;
int clos_id, core_id, ret = 0;
debug_printf("CPU %d\n", cpu);
if (parameter & BIT(MBOX_CMD_WRITE_BIT)) {
value = req_data;
write = 1;
}
switch (sub_command) {
case CLOS_PQR_ASSOC:
core_id = parameter & 0xff;
ret = isst_send_mmio_command(
cpu, PQR_ASSOC_OFFSET + core_id * 4, write,
&value);
if (!ret && !write)
*resp = value;
break;
case CLOS_PM_CLOS:
clos_id = parameter & 0x03;
ret = isst_send_mmio_command(
cpu, PM_CLOS_OFFSET + clos_id * 4, write,
&value);
if (!ret && !write)
*resp = value;
break;
case CLOS_STATUS:
break;
default:
break;
}
return ret;
}
mbox_cmds.cmd_count = 1;
mbox_cmds.mbox_cmd[0].logical_cpu = cpu;
mbox_cmds.mbox_cmd[0].command = command;
mbox_cmds.mbox_cmd[0].sub_command = sub_command;
mbox_cmds.mbox_cmd[0].parameter = parameter;
mbox_cmds.mbox_cmd[0].req_data = req_data;
if (mbox_delay)
usleep(mbox_delay * 1000);
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
retry = mbox_retries;
do {
if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
if (errno == ENOTTY) {
perror("ISST_IF_MBOX_COMMAND\n");
fprintf(stderr, "Check presence of kernel modules: isst_if_mbox_pci or isst_if_mbox_msr\n");
exit(0);
}
debug_printf(
"Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x errorno:%d\n",
cpu, command, sub_command, parameter, req_data, errno);
--retry;
} else {
*resp = mbox_cmds.mbox_cmd[0].resp_data;
debug_printf(
"mbox_cmd response: cpu:%d command:%x sub_command:%x parameter:%x req_data:%x resp:%x\n",
cpu, command, sub_command, parameter, req_data, *resp);
break;
}
} while (retry);
close(fd);
if (!retry) {
debug_printf("Failed mbox command even after retries\n");
return -1;
}
return 0;
}
int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
unsigned long long *req_resp)
{
struct isst_if_msr_cmds msr_cmds;
const char *pathname = "/dev/isst_interface";
int fd;
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
msr_cmds.cmd_count = 1;
msr_cmds.msr_cmd[0].logical_cpu = cpu;
msr_cmds.msr_cmd[0].msr = msr;
msr_cmds.msr_cmd[0].read_write = write;
if (write)
msr_cmds.msr_cmd[0].data = *req_resp;
if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) {
perror("ISST_IF_MSR_COMMAND");
fprintf(outf, "Error: msr_cmd cpu:%d msr:%x read_write:%d\n",
cpu, msr, write);
} else {
if (!write)
*req_resp = msr_cmds.msr_cmd[0].data;
debug_printf(
"msr_cmd response: cpu:%d msr:%x rd_write:%x resp:%llx %llx\n",
cpu, msr, write, *req_resp, msr_cmds.msr_cmd[0].data);
}
close(fd);
return 0;
}
static int isst_fill_platform_info(void)
{
const char *pathname = "/dev/isst_interface";
int fd;
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
if (ioctl(fd, ISST_IF_GET_PLATFORM_INFO, &isst_platform_info) == -1) {
perror("ISST_IF_GET_PLATFORM_INFO");
close(fd);
return -1;
}
close(fd);
if (isst_platform_info.api_version > supported_api_ver) {
printf("Incompatible API versions; Upgrade of tool is required\n");
return -1;
}
return 0;
}
static void isst_print_extended_platform_info(void)
{
int cp_state, cp_cap, fact_support = 0, pbf_support = 0;
struct isst_pkg_ctdp_level_info ctdp_level;
struct isst_pkg_ctdp pkg_dev;
int ret, i, j;
FILE *filep;
for (i = 0; i < 256; ++i) {
char path[256];
snprintf(path, sizeof(path),
"/sys/devices/system/cpu/cpu%d/topology/thread_siblings", i);
filep = fopen(path, "r");
if (filep)
break;
}
if (!filep)
return;
fclose(filep);
ret = isst_get_ctdp_levels(i, &pkg_dev);
if (ret)
return;
if (pkg_dev.enabled) {
fprintf(outf, "Intel(R) SST-PP (feature perf-profile) is supported\n");
} else {
fprintf(outf, "Intel(R) SST-PP (feature perf-profile) is not supported\n");
fprintf(outf, "Only performance level 0 (base level) is present\n");
}
if (pkg_dev.locked)
fprintf(outf, "TDP level change control is locked\n");
else
fprintf(outf, "TDP level change control is unlocked, max level: %d \n", pkg_dev.levels);
for (j = 0; j <= pkg_dev.levels; ++j) {
ret = isst_get_ctdp_control(i, j, &ctdp_level);
if (ret)
continue;
if (!fact_support && ctdp_level.fact_support)
fact_support = 1;
if (!pbf_support && ctdp_level.pbf_support)
pbf_support = 1;
}
if (fact_support)
fprintf(outf, "Intel(R) SST-TF (feature turbo-freq) is supported\n");
else
fprintf(outf, "Intel(R) SST-TF (feature turbo-freq) is not supported\n");
if (pbf_support)
fprintf(outf, "Intel(R) SST-BF (feature base-freq) is supported\n");
else
fprintf(outf, "Intel(R) SST-BF (feature base-freq) is not supported\n");
ret = isst_read_pm_config(i, &cp_state, &cp_cap);
if (ret) {
fprintf(outf, "Intel(R) SST-CP (feature core-power) status is unknown\n");
return;
}
if (cp_cap)
fprintf(outf, "Intel(R) SST-CP (feature core-power) is supported\n");
else
fprintf(outf, "Intel(R) SST-CP (feature core-power) is not supported\n");
}
static void isst_print_platform_information(void)
{
struct isst_if_platform_info platform_info;
const char *pathname = "/dev/isst_interface";
int fd;
if (is_clx_n_platform()) {
fprintf(stderr, "\nThis option in not supported on this platform\n");
exit(0);
}
fd = open(pathname, O_RDWR);
if (fd < 0)
err(-1, "%s open failed", pathname);
if (ioctl(fd, ISST_IF_GET_PLATFORM_INFO, &platform_info) == -1) {
perror("ISST_IF_GET_PLATFORM_INFO");
} else {
fprintf(outf, "Platform: API version : %d\n",
platform_info.api_version);
fprintf(outf, "Platform: Driver version : %d\n",
platform_info.driver_version);
fprintf(outf, "Platform: mbox supported : %d\n",
platform_info.mbox_supported);
fprintf(outf, "Platform: mmio supported : %d\n",
platform_info.mmio_supported);
isst_print_extended_platform_info();
}
close(fd);
exit(0);
}
static char *local_str0, *local_str1;
static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
int (*fn_ptr)(int cpu, void *arg);
int ret;
fn_ptr = arg1;
ret = fn_ptr(cpu, arg2);
if (ret)
isst_display_error_info_message(1, "get_tdp_* failed", 0, 0);
else
isst_ctdp_display_core_info(cpu, outf, arg3,
*(unsigned int *)arg4,
local_str0, local_str1);
}
#define _get_tdp_level(desc, suffix, object, help, str0, str1) \
static void get_tdp_##object(int arg) \
{ \
struct isst_pkg_ctdp ctdp; \
\
if (cmd_help) { \
fprintf(stderr, \
"Print %s [No command arguments are required]\n", \
help); \
exit(0); \
} \
local_str0 = str0; \
local_str1 = str1; \
isst_ctdp_display_information_start(outf); \
if (max_target_cpus) \
for_each_online_target_cpu_in_set( \
exec_on_get_ctdp_cpu, isst_get_ctdp_##suffix, \
&ctdp, desc, &ctdp.object); \
else \
for_each_online_package_in_set(exec_on_get_ctdp_cpu, \
isst_get_ctdp_##suffix, \
&ctdp, desc, \
&ctdp.object); \
isst_ctdp_display_information_end(outf); \
}
_get_tdp_level("get-config-levels", levels, levels, "Max TDP level", NULL, NULL);
_get_tdp_level("get-config-version", levels, version, "TDP version", NULL, NULL);
_get_tdp_level("get-config-enabled", levels, enabled, "perf-profile enable status", "disabled", "enabled");
_get_tdp_level("get-config-current_level", levels, current_level,
"Current TDP Level", NULL, NULL);
_get_tdp_level("get-lock-status", levels, locked, "TDP lock status", "unlocked", "locked");
struct isst_pkg_ctdp clx_n_pkg_dev;
static int clx_n_get_base_ratio(void)
{
FILE *fp;
char *begin, *end, *line = NULL;
char number[5];
float value = 0;
size_t n = 0;
fp = fopen("/proc/cpuinfo", "r");
if (!fp)
err(-1, "cannot open /proc/cpuinfo\n");
while (getline(&line, &n, fp) > 0) {
if (strstr(line, "model name")) {
/* this is true for CascadeLake-N */
begin = strstr(line, "@ ") + 2;
end = strstr(line, "GHz");
strncpy(number, begin, end - begin);
value = atof(number) * 10;
break;
}
}
free(line);
fclose(fp);
return (int)(value);
}
static int clx_n_config(int cpu)
{
int i, ret, pkg_id, die_id;
unsigned long cpu_bf;
struct isst_pkg_ctdp_level_info *ctdp_level;
struct isst_pbf_info *pbf_info;
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
pbf_info = &ctdp_level->pbf_info;
ctdp_level->core_cpumask_size =
alloc_cpu_set(&ctdp_level->core_cpumask);
/* find the frequency base ratio */
ctdp_level->tdp_ratio = clx_n_get_base_ratio();
if (ctdp_level->tdp_ratio == 0) {
debug_printf("CLX: cn base ratio is zero\n");
ret = -1;
goto error_ret;
}
/* find the high and low priority frequencies */
pbf_info->p1_high = 0;
pbf_info->p1_low = ~0;
pkg_id = get_physical_package_id(cpu);
die_id = get_physical_die_id(cpu);
for (i = 0; i < topo_max_cpus; i++) {
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
continue;
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
CPU_SET_S(i, ctdp_level->core_cpumask_size,
ctdp_level->core_cpumask);
cpu_bf = parse_int_file(1,
"/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency",
i);
if (cpu_bf > pbf_info->p1_high)
pbf_info->p1_high = cpu_bf;
if (cpu_bf < pbf_info->p1_low)
pbf_info->p1_low = cpu_bf;
}
if (pbf_info->p1_high == ~0UL) {
debug_printf("CLX: maximum base frequency not set\n");
ret = -1;
goto error_ret;
}
if (pbf_info->p1_low == 0) {
debug_printf("CLX: minimum base frequency not set\n");
ret = -1;
goto error_ret;
}
/* convert frequencies back to ratios */
pbf_info->p1_high = pbf_info->p1_high / 100000;
pbf_info->p1_low = pbf_info->p1_low / 100000;
/* create high priority cpu mask */
pbf_info->core_cpumask_size = alloc_cpu_set(&pbf_info->core_cpumask);
for (i = 0; i < topo_max_cpus; i++) {
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
continue;
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
cpu_bf = parse_int_file(1,
"/sys/devices/system/cpu/cpu%d/cpufreq/base_frequency",
i);
cpu_bf = cpu_bf / 100000;
if (cpu_bf == pbf_info->p1_high)
CPU_SET_S(i, pbf_info->core_cpumask_size,
pbf_info->core_cpumask);
}
/* extra ctdp & pbf struct parameters */
ctdp_level->processed = 1;
ctdp_level->pbf_support = 1; /* PBF is always supported and enabled */
ctdp_level->pbf_enabled = 1;
ctdp_level->fact_support = 0; /* FACT is never supported */
ctdp_level->fact_enabled = 0;
return 0;
error_ret:
free_cpu_set(ctdp_level->core_cpumask);
return ret;
}
static void dump_clx_n_config_for_cpu(int cpu, void *arg1, void *arg2,
void *arg3, void *arg4)
{
int ret;
if (tdp_level != 0xff && tdp_level != 0) {
isst_display_error_info_message(1, "Invalid level", 1, tdp_level);
exit(0);
}
ret = clx_n_config(cpu);
if (ret) {
debug_printf("clx_n_config failed");
} else {
struct isst_pkg_ctdp_level_info *ctdp_level;
struct isst_pbf_info *pbf_info;
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
pbf_info = &ctdp_level->pbf_info;
clx_n_pkg_dev.processed = 1;
isst_ctdp_display_information(cpu, outf, tdp_level, &clx_n_pkg_dev);
free_cpu_set(ctdp_level->core_cpumask);
free_cpu_set(pbf_info->core_cpumask);
}
}
static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
void *arg3, void *arg4)
{
struct isst_pkg_ctdp pkg_dev;
int ret;
memset(&pkg_dev, 0, sizeof(pkg_dev));
ret = isst_get_process_ctdp(cpu, tdp_level, &pkg_dev);
if (ret) {
isst_display_error_info_message(1, "Failed to get perf-profile info on cpu", 1, cpu);
isst_ctdp_display_information_end(outf);
exit(1);
} else {
isst_ctdp_display_information(cpu, outf, tdp_level, &pkg_dev);
isst_get_process_ctdp_complete(cpu, &pkg_dev);
}
}
static void dump_isst_config(int arg)
{
void *fn;
if (cmd_help) {
fprintf(stderr,
"Print Intel(R) Speed Select Technology Performance profile configuration\n");
fprintf(stderr,
"including base frequency and turbo frequency configurations\n");
fprintf(stderr, "Optional: -l|--level : Specify tdp level\n");
fprintf(stderr,
"\tIf no arguments, dump information for all TDP levels\n");
exit(0);
}
if (!is_clx_n_platform())
fn = dump_isst_config_for_cpu;
else
fn = dump_clx_n_config_for_cpu;
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL, NULL);
else
for_each_online_package_in_set(fn, NULL, NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void adjust_scaling_max_from_base_freq(int cpu);
static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
int ret;
ret = isst_set_tdp_level(cpu, tdp_level);
if (ret) {
isst_display_error_info_message(1, "Set TDP level failed", 0, 0);
isst_ctdp_display_information_end(outf);
exit(1);
} else {
isst_display_result(cpu, outf, "perf-profile", "set_tdp_level",
ret);
if (force_online_offline) {
struct isst_pkg_ctdp_level_info ctdp_level;
int pkg_id = get_physical_package_id(cpu);
int die_id = get_physical_die_id(cpu);
/* Wait for updated base frequencies */
usleep(2000);
fprintf(stderr, "Option is set to online/offline\n");
ctdp_level.core_cpumask_size =
alloc_cpu_set(&ctdp_level.core_cpumask);
ret = isst_get_coremask_info(cpu, tdp_level, &ctdp_level);
if (ret) {
isst_display_error_info_message(1, "Can't get coremask, online/offline option is ignored", 0, 0);
return;
}
if (ctdp_level.cpu_count) {
int i, max_cpus = get_topo_max_cpus();
for (i = 0; i < max_cpus; ++i) {
if (pkg_id != get_physical_package_id(i) || die_id != get_physical_die_id(i))
continue;
if (CPU_ISSET_S(i, ctdp_level.core_cpumask_size, ctdp_level.core_cpumask)) {
fprintf(stderr, "online cpu %d\n", i);
set_cpu_online_offline(i, 1);
adjust_scaling_max_from_base_freq(i);
} else {
fprintf(stderr, "offline cpu %d\n", i);
set_cpu_online_offline(i, 0);
}
}
}
}
}
}
static void set_tdp_level(int arg)
{
if (cmd_help) {
fprintf(stderr, "Set Config TDP level\n");
fprintf(stderr,
"\t Arguments: -l|--level : Specify tdp level\n");
fprintf(stderr,
"\t Optional Arguments: -o | online : online/offline for the tdp level\n");
fprintf(stderr,
"\t online/offline operation has limitations, refer to Linux hotplug documentation\n");
exit(0);
}
if (tdp_level == 0xff) {
isst_display_error_info_message(1, "Invalid command: specify tdp_level", 0, 0);
exit(1);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(set_tdp_level_for_cpu, NULL,
NULL, NULL, NULL);
else
for_each_online_package_in_set(set_tdp_level_for_cpu, NULL,
NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void clx_n_dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2,
void *arg3, void *arg4)
{
int ret;
ret = clx_n_config(cpu);
if (ret) {
isst_display_error_info_message(1, "clx_n_config failed", 0, 0);
} else {
struct isst_pkg_ctdp_level_info *ctdp_level;
struct isst_pbf_info *pbf_info;
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
pbf_info = &ctdp_level->pbf_info;
isst_pbf_display_information(cpu, outf, tdp_level, pbf_info);
free_cpu_set(ctdp_level->core_cpumask);
free_cpu_set(pbf_info->core_cpumask);
}
}
static void dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
struct isst_pbf_info pbf_info;
int ret;
ret = isst_get_pbf_info(cpu, tdp_level, &pbf_info);
if (ret) {
isst_display_error_info_message(1, "Failed to get base-freq info at this level", 1, tdp_level);
isst_ctdp_display_information_end(outf);
exit(1);
} else {
isst_pbf_display_information(cpu, outf, tdp_level, &pbf_info);
isst_get_pbf_info_complete(&pbf_info);
}
}
static void dump_pbf_config(int arg)
{
void *fn;
if (cmd_help) {
fprintf(stderr,
"Print Intel(R) Speed Select Technology base frequency configuration for a TDP level\n");
fprintf(stderr,
"\tArguments: -l|--level : Specify tdp level\n");
exit(0);
}
if (tdp_level == 0xff) {
isst_display_error_info_message(1, "Invalid command: specify tdp_level", 0, 0);
exit(1);
}
if (!is_clx_n_platform())
fn = dump_pbf_config_for_cpu;
else
fn = clx_n_dump_pbf_config_for_cpu;
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(fn, NULL, NULL, NULL, NULL);
else
for_each_online_package_in_set(fn, NULL, NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static int set_clos_param(int cpu, int clos, int epp, int wt, int min, int max)
{
struct isst_clos_config clos_config;
int ret;
ret = isst_pm_get_clos(cpu, clos, &clos_config);
if (ret) {
isst_display_error_info_message(1, "isst_pm_get_clos failed", 0, 0);
return ret;
}
clos_config.clos_min = min;
clos_config.clos_max = max;
clos_config.epp = epp;
clos_config.clos_prop_prio = wt;
ret = isst_set_clos(cpu, clos, &clos_config);
if (ret) {
isst_display_error_info_message(1, "isst_set_clos failed", 0, 0);
return ret;
}
return 0;
}
static int set_cpufreq_scaling_min_max(int cpu, int max, int freq)
{
char buffer[128], freq_str[16];
int fd, ret, len;
if (max)
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
else
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
fd = open(buffer, O_WRONLY);
if (fd < 0)
return fd;
snprintf(freq_str, sizeof(freq_str), "%d", freq);
len = strlen(freq_str);
ret = write(fd, freq_str, len);
if (ret == -1) {
close(fd);
return ret;
}
close(fd);
return 0;
}
static int no_turbo(void)
{
return parse_int_file(0, "/sys/devices/system/cpu/intel_pstate/no_turbo");
}
static void adjust_scaling_max_from_base_freq(int cpu)
{
int base_freq, scaling_max_freq;
scaling_max_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
base_freq = get_cpufreq_base_freq(cpu);
if (scaling_max_freq < base_freq || no_turbo())
set_cpufreq_scaling_min_max(cpu, 1, base_freq);
}
static void adjust_scaling_min_from_base_freq(int cpu)
{
int base_freq, scaling_min_freq;
scaling_min_freq = parse_int_file(0, "/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
base_freq = get_cpufreq_base_freq(cpu);
if (scaling_min_freq < base_freq)
set_cpufreq_scaling_min_max(cpu, 0, base_freq);
}
static int set_clx_pbf_cpufreq_scaling_min_max(int cpu)
{
struct isst_pkg_ctdp_level_info *ctdp_level;
struct isst_pbf_info *pbf_info;
int i, pkg_id, die_id, freq, freq_high, freq_low;
int ret;
ret = clx_n_config(cpu);
if (ret) {
debug_printf("cpufreq_scaling_min_max failed for CLX");
return ret;
}
ctdp_level = &clx_n_pkg_dev.ctdp_level[0];
pbf_info = &ctdp_level->pbf_info;
freq_high = pbf_info->p1_high * 100000;
freq_low = pbf_info->p1_low * 100000;
pkg_id = get_physical_package_id(cpu);
die_id = get_physical_die_id(cpu);
for (i = 0; i < get_topo_max_cpus(); ++i) {
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
if (CPU_ISSET_S(i, pbf_info->core_cpumask_size,
pbf_info->core_cpumask))
freq = freq_high;
else
freq = freq_low;
set_cpufreq_scaling_min_max(i, 1, freq);
set_cpufreq_scaling_min_max(i, 0, freq);
}
return 0;
}
static int set_cpufreq_scaling_min_max_from_cpuinfo(int cpu, int cpuinfo_max, int scaling_max)
{
char buffer[128], min_freq[16];
int fd, ret, len;
if (!CPU_ISSET_S(cpu, present_cpumask_size, present_cpumask))
return -1;
if (cpuinfo_max)
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_max_freq", cpu);
else
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/cpufreq/cpuinfo_min_freq", cpu);
fd = open(buffer, O_RDONLY);
if (fd < 0)
return fd;
len = read(fd, min_freq, sizeof(min_freq));
close(fd);
if (len < 0)
return len;
if (scaling_max)
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_max_freq", cpu);
else
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/cpufreq/scaling_min_freq", cpu);
fd = open(buffer, O_WRONLY);
if (fd < 0)
return fd;
len = strlen(min_freq);
ret = write(fd, min_freq, len);
if (ret == -1) {
close(fd);
return ret;
}
close(fd);
return 0;
}
static void set_scaling_min_to_cpuinfo_max(int cpu)
{
int i, pkg_id, die_id;
pkg_id = get_physical_package_id(cpu);
die_id = get_physical_die_id(cpu);
for (i = 0; i < get_topo_max_cpus(); ++i) {
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 0);
adjust_scaling_min_from_base_freq(i);
}
}
static void set_scaling_min_to_cpuinfo_min(int cpu)
{
int i, pkg_id, die_id;
pkg_id = get_physical_package_id(cpu);
die_id = get_physical_die_id(cpu);
for (i = 0; i < get_topo_max_cpus(); ++i) {
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
set_cpufreq_scaling_min_max_from_cpuinfo(i, 0, 0);
}
}
static void set_scaling_max_to_cpuinfo_max(int cpu)
{
int i, pkg_id, die_id;
pkg_id = get_physical_package_id(cpu);
die_id = get_physical_die_id(cpu);
for (i = 0; i < get_topo_max_cpus(); ++i) {
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
set_cpufreq_scaling_min_max_from_cpuinfo(i, 1, 1);
}
}
static int set_core_priority_and_min(int cpu, int mask_size,
cpu_set_t *cpu_mask, int min_high,
int min_low)
{
int pkg_id, die_id, ret, i;
if (!CPU_COUNT_S(mask_size, cpu_mask))
return -1;
ret = set_clos_param(cpu, 0, 0, 0, min_high, 0xff);
if (ret)
return ret;
ret = set_clos_param(cpu, 1, 15, 15, min_low, 0xff);
if (ret)
return ret;
ret = set_clos_param(cpu, 2, 15, 15, min_low, 0xff);
if (ret)
return ret;
ret = set_clos_param(cpu, 3, 15, 15, min_low, 0xff);
if (ret)
return ret;
pkg_id = get_physical_package_id(cpu);
die_id = get_physical_die_id(cpu);
for (i = 0; i < get_topo_max_cpus(); ++i) {
int clos;
if (pkg_id != get_physical_package_id(i) ||
die_id != get_physical_die_id(i))
continue;
if (CPU_ISSET_S(i, mask_size, cpu_mask))
clos = 0;
else
clos = 3;
debug_printf("Associate cpu: %d clos: %d\n", i, clos);
ret = isst_clos_associate(i, clos);
if (ret) {
isst_display_error_info_message(1, "isst_clos_associate failed", 0, 0);
return ret;
}
}
return 0;
}
static int set_pbf_core_power(int cpu)
{
struct isst_pbf_info pbf_info;
struct isst_pkg_ctdp pkg_dev;
int ret;
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret) {
debug_printf("isst_get_ctdp_levels failed");
return ret;
}
debug_printf("Current_level: %d\n", pkg_dev.current_level);
ret = isst_get_pbf_info(cpu, pkg_dev.current_level, &pbf_info);
if (ret) {
debug_printf("isst_get_pbf_info failed");
return ret;
}
debug_printf("p1_high: %d p1_low: %d\n", pbf_info.p1_high,
pbf_info.p1_low);
ret = set_core_priority_and_min(cpu, pbf_info.core_cpumask_size,
pbf_info.core_cpumask,
pbf_info.p1_high, pbf_info.p1_low);
if (ret) {
debug_printf("set_core_priority_and_min failed");
return ret;
}
ret = isst_pm_qos_config(cpu, 1, 1);
if (ret) {
debug_printf("isst_pm_qos_config failed");
return ret;
}
return 0;
}
static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
struct isst_pkg_ctdp_level_info ctdp_level;
struct isst_pkg_ctdp pkg_dev;
int ret;
int status = *(int *)arg4;
if (is_clx_n_platform()) {
ret = 0;
if (status) {
set_clx_pbf_cpufreq_scaling_min_max(cpu);
} else {
set_scaling_max_to_cpuinfo_max(cpu);
set_scaling_min_to_cpuinfo_min(cpu);
}
goto disp_result;
}
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret) {
isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
goto disp_result;
}
ret = isst_get_ctdp_control(cpu, pkg_dev.current_level, &ctdp_level);
if (ret) {
isst_display_error_info_message(1, "Failed to get current level", 0, 0);
goto disp_result;
}
if (!ctdp_level.pbf_support) {
isst_display_error_info_message(1, "base-freq feature is not present at this level", 1, pkg_dev.current_level);
ret = -1;
goto disp_result;
}
if (auto_mode && status) {
ret = set_pbf_core_power(cpu);
if (ret)
goto disp_result;
}
ret = isst_set_pbf_fact_status(cpu, 1, status);
if (ret) {
debug_printf("isst_set_pbf_fact_status failed");
if (auto_mode)
isst_pm_qos_config(cpu, 0, 0);
} else {
if (auto_mode) {
if (status)
set_scaling_min_to_cpuinfo_max(cpu);
else
set_scaling_min_to_cpuinfo_min(cpu);
}
}
if (auto_mode && !status)
isst_pm_qos_config(cpu, 0, 1);
disp_result:
if (status)
isst_display_result(cpu, outf, "base-freq", "enable",
ret);
else
isst_display_result(cpu, outf, "base-freq", "disable",
ret);
}
static void set_pbf_enable(int arg)
{
int enable = arg;
if (cmd_help) {
if (enable) {
fprintf(stderr,
"Enable Intel Speed Select Technology base frequency feature\n");
if (is_clx_n_platform()) {
fprintf(stderr,
"\tOn this platform this command doesn't enable feature in the hardware.\n");
fprintf(stderr,
"\tIt updates the cpufreq scaling_min_freq to match cpufreq base_frequency.\n");
exit(0);
}
fprintf(stderr,
"\tOptional Arguments: -a|--auto : Use priority of cores to set core-power associations\n");
} else {
if (is_clx_n_platform()) {
fprintf(stderr,
"\tOn this platform this command doesn't disable feature in the hardware.\n");
fprintf(stderr,
"\tIt updates the cpufreq scaling_min_freq to match cpuinfo_min_freq\n");
exit(0);
}
fprintf(stderr,
"Disable Intel Speed Select Technology base frequency feature\n");
fprintf(stderr,
"\tOptional Arguments: -a|--auto : Also disable core-power associations\n");
}
exit(0);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(set_pbf_for_cpu, NULL, NULL,
NULL, &enable);
else
for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
NULL, &enable);
isst_ctdp_display_information_end(outf);
}
static void dump_fact_config_for_cpu(int cpu, void *arg1, void *arg2,
void *arg3, void *arg4)
{
struct isst_fact_info fact_info;
int ret;
ret = isst_get_fact_info(cpu, tdp_level, fact_bucket, &fact_info);
if (ret) {
isst_display_error_info_message(1, "Failed to get turbo-freq info at this level", 1, tdp_level);
isst_ctdp_display_information_end(outf);
exit(1);
} else {
isst_fact_display_information(cpu, outf, tdp_level, fact_bucket,
fact_avx, &fact_info);
}
}
static void dump_fact_config(int arg)
{
if (cmd_help) {
fprintf(stderr,
"Print complete Intel Speed Select Technology turbo frequency configuration for a TDP level. Other arguments are optional.\n");
fprintf(stderr,
"\tArguments: -l|--level : Specify tdp level\n");
fprintf(stderr,
"\tArguments: -b|--bucket : Bucket index to dump\n");
fprintf(stderr,
"\tArguments: -r|--trl-type : Specify trl type: sse|avx2|avx512\n");
exit(0);
}
if (tdp_level == 0xff) {
isst_display_error_info_message(1, "Invalid command: specify tdp_level\n", 0, 0);
exit(1);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(dump_fact_config_for_cpu,
NULL, NULL, NULL, NULL);
else
for_each_online_package_in_set(dump_fact_config_for_cpu, NULL,
NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
struct isst_pkg_ctdp_level_info ctdp_level;
struct isst_pkg_ctdp pkg_dev;
int ret;
int status = *(int *)arg4;
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret) {
isst_display_error_info_message(1, "Failed to get number of levels", 0, 0);
goto disp_results;
}
ret = isst_get_ctdp_control(cpu, pkg_dev.current_level, &ctdp_level);
if (ret) {
isst_display_error_info_message(1, "Failed to get current level", 0, 0);
goto disp_results;
}
if (!ctdp_level.fact_support) {
isst_display_error_info_message(1, "turbo-freq feature is not present at this level", 1, pkg_dev.current_level);
ret = -1;
goto disp_results;
}
if (status) {
ret = isst_pm_qos_config(cpu, 1, 1);
if (ret)
goto disp_results;
}
ret = isst_set_pbf_fact_status(cpu, 0, status);
if (ret) {
debug_printf("isst_set_pbf_fact_status failed");
if (auto_mode)
isst_pm_qos_config(cpu, 0, 0);
goto disp_results;
}
/* Set TRL */
if (status) {
struct isst_pkg_ctdp pkg_dev;
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (!ret)
ret = isst_set_trl(cpu, fact_trl);
if (ret && auto_mode)
isst_pm_qos_config(cpu, 0, 0);
} else {
if (auto_mode)
isst_pm_qos_config(cpu, 0, 0);
}
disp_results:
if (status) {
isst_display_result(cpu, outf, "turbo-freq", "enable", ret);
if (ret)
fact_enable_fail = ret;
} else {
/* Since we modified TRL during Fact enable, restore it */
isst_set_trl_from_current_tdp(cpu, fact_trl);
isst_display_result(cpu, outf, "turbo-freq", "disable", ret);
}
}
static void set_fact_enable(int arg)
{
int i, ret, enable = arg;
if (cmd_help) {
if (enable) {
fprintf(stderr,
"Enable Intel Speed Select Technology Turbo frequency feature\n");
fprintf(stderr,
"Optional: -t|--trl : Specify turbo ratio limit\n");
fprintf(stderr,
"\tOptional Arguments: -a|--auto : Designate specified target CPUs with");
fprintf(stderr,
"-C|--cpu option as as high priority using core-power feature\n");
} else {
fprintf(stderr,
"Disable Intel Speed Select Technology turbo frequency feature\n");
fprintf(stderr,
"Optional: -t|--trl : Specify turbo ratio limit\n");
fprintf(stderr,
"\tOptional Arguments: -a|--auto : Also disable core-power associations\n");
}
exit(0);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(set_fact_for_cpu, NULL, NULL,
NULL, &enable);
else
for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
NULL, &enable);
isst_ctdp_display_information_end(outf);
if (!fact_enable_fail && enable && auto_mode) {
/*
* When we adjust CLOS param, we have to set for siblings also.
* So for the each user specified CPU, also add the sibling
* in the present_cpu_mask.
*/
for (i = 0; i < get_topo_max_cpus(); ++i) {
char buffer[128], sibling_list[128], *cpu_str;
int fd, len;
if (!CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
continue;
snprintf(buffer, sizeof(buffer),
"/sys/devices/system/cpu/cpu%d/topology/thread_siblings_list", i);
fd = open(buffer, O_RDONLY);
if (fd < 0)
continue;
len = read(fd, sibling_list, sizeof(sibling_list));
close(fd);
if (len < 0)
continue;
cpu_str = strtok(sibling_list, ",");
while (cpu_str != NULL) {
int cpu;
sscanf(cpu_str, "%d", &cpu);
CPU_SET_S(cpu, target_cpumask_size, target_cpumask);
cpu_str = strtok(NULL, ",");
}
}
for (i = 0; i < get_topo_max_cpus(); ++i) {
int clos;
if (!CPU_ISSET_S(i, present_cpumask_size, present_cpumask))
continue;
ret = set_clos_param(i, 0, 0, 0, 0, 0xff);
if (ret)
goto error_disp;
ret = set_clos_param(i, 1, 15, 15, 0, 0xff);
if (ret)
goto error_disp;
ret = set_clos_param(i, 2, 15, 15, 0, 0xff);
if (ret)
goto error_disp;
ret = set_clos_param(i, 3, 15, 15, 0, 0xff);
if (ret)
goto error_disp;
if (CPU_ISSET_S(i, target_cpumask_size, target_cpumask))
clos = 0;
else
clos = 3;
debug_printf("Associate cpu: %d clos: %d\n", i, clos);
ret = isst_clos_associate(i, clos);
if (ret)
goto error_disp;
}
isst_display_result(-1, outf, "turbo-freq --auto", "enable", 0);
}
return;
error_disp:
isst_display_result(i, outf, "turbo-freq --auto", "enable", ret);
}
static void enable_clos_qos_config(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
int ret;
int status = *(int *)arg4;
if (is_skx_based_platform())
clos_priority_type = 1;
ret = isst_pm_qos_config(cpu, status, clos_priority_type);
if (ret)
isst_display_error_info_message(1, "isst_pm_qos_config failed", 0, 0);
if (status)
isst_display_result(cpu, outf, "core-power", "enable",
ret);
else
isst_display_result(cpu, outf, "core-power", "disable",
ret);
}
static void set_clos_enable(int arg)
{
int enable = arg;
if (cmd_help) {
if (enable) {
fprintf(stderr,
"Enable core-power for a package/die\n");
if (!is_skx_based_platform()) {
fprintf(stderr,
"\tClos Enable: Specify priority type with [--priority|-p]\n");
fprintf(stderr, "\t\t 0: Proportional, 1: Ordered\n");
}
} else {
fprintf(stderr,
"Disable core-power: [No command arguments are required]\n");
}
exit(0);
}
if (enable && cpufreq_sysfs_present()) {
fprintf(stderr,
"cpufreq subsystem and core-power enable will interfere with each other!\n");
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(enable_clos_qos_config, NULL,
NULL, NULL, &enable);
else
for_each_online_package_in_set(enable_clos_qos_config, NULL,
NULL, NULL, &enable);
isst_ctdp_display_information_end(outf);
}
static void dump_clos_config_for_cpu(int cpu, void *arg1, void *arg2,
void *arg3, void *arg4)
{
struct isst_clos_config clos_config;
int ret;
ret = isst_pm_get_clos(cpu, current_clos, &clos_config);
if (ret)
isst_display_error_info_message(1, "isst_pm_get_clos failed", 0, 0);
else
isst_clos_display_information(cpu, outf, current_clos,
&clos_config);
}
static void dump_clos_config(int arg)
{
if (cmd_help) {
fprintf(stderr,
"Print Intel Speed Select Technology core power configuration\n");
fprintf(stderr,
"\tArguments: [-c | --clos]: Specify clos id\n");
exit(0);
}
if (current_clos < 0 || current_clos > 3) {
isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
isst_ctdp_display_information_end(outf);
exit(0);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(dump_clos_config_for_cpu,
NULL, NULL, NULL, NULL);
else
for_each_online_package_in_set(dump_clos_config_for_cpu, NULL,
NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void get_clos_info_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
int enable, ret, prio_type;
ret = isst_clos_get_clos_information(cpu, &enable, &prio_type);
if (ret)
isst_display_error_info_message(1, "isst_clos_get_info failed", 0, 0);
else {
int cp_state, cp_cap;
isst_read_pm_config(cpu, &cp_state, &cp_cap);
isst_clos_display_clos_information(cpu, outf, enable, prio_type,
cp_state, cp_cap);
}
}
static void dump_clos_info(int arg)
{
if (cmd_help) {
fprintf(stderr,
"Print Intel Speed Select Technology core power information\n");
fprintf(stderr, "\t Optionally specify targeted cpu id with [--cpu|-c]\n");
exit(0);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(get_clos_info_for_cpu, NULL,
NULL, NULL, NULL);
else
for_each_online_package_in_set(get_clos_info_for_cpu, NULL,
NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void set_clos_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
struct isst_clos_config clos_config;
int ret;
clos_config.pkg_id = get_physical_package_id(cpu);
clos_config.die_id = get_physical_die_id(cpu);
clos_config.epp = clos_epp;
clos_config.clos_prop_prio = clos_prop_prio;
clos_config.clos_min = clos_min;
clos_config.clos_max = clos_max;
clos_config.clos_desired = clos_desired;
ret = isst_set_clos(cpu, current_clos, &clos_config);
if (ret)
isst_display_error_info_message(1, "isst_set_clos failed", 0, 0);
else
isst_display_result(cpu, outf, "core-power", "config", ret);
}
static void set_clos_config(int arg)
{
if (cmd_help) {
fprintf(stderr,
"Set core-power configuration for one of the four clos ids\n");
fprintf(stderr,
"\tSpecify targeted clos id with [--clos|-c]\n");
if (!is_skx_based_platform()) {
fprintf(stderr, "\tSpecify clos EPP with [--epp|-e]\n");
fprintf(stderr,
"\tSpecify clos Proportional Priority [--weight|-w]\n");
}
fprintf(stderr, "\tSpecify clos min in MHz with [--min|-n]\n");
fprintf(stderr, "\tSpecify clos max in MHz with [--max|-m]\n");
exit(0);
}
if (current_clos < 0 || current_clos > 3) {
isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
exit(0);
}
if (!is_skx_based_platform() && (clos_epp < 0 || clos_epp > 0x0F)) {
fprintf(stderr, "clos epp is not specified or invalid, default: 0\n");
clos_epp = 0;
}
if (!is_skx_based_platform() && (clos_prop_prio < 0 || clos_prop_prio > 0x0F)) {
fprintf(stderr,
"clos frequency weight is not specified or invalid, default: 0\n");
clos_prop_prio = 0;
}
if (clos_min < 0) {
fprintf(stderr, "clos min is not specified, default: 0\n");
clos_min = 0;
}
if (clos_max < 0) {
fprintf(stderr, "clos max is not specified, default: Max frequency (ratio 0xff)\n");
clos_max = 0xff;
}
if (clos_desired) {
fprintf(stderr, "clos desired is not supported on this platform\n");
clos_desired = 0x00;
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(set_clos_config_for_cpu, NULL,
NULL, NULL, NULL);
else
for_each_online_package_in_set(set_clos_config_for_cpu, NULL,
NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void set_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
int ret;
ret = isst_clos_associate(cpu, current_clos);
if (ret)
debug_printf("isst_clos_associate failed");
else
isst_display_result(cpu, outf, "core-power", "assoc", ret);
}
static void set_clos_assoc(int arg)
{
if (cmd_help) {
fprintf(stderr, "Associate a clos id to a CPU\n");
fprintf(stderr,
"\tSpecify targeted clos id with [--clos|-c]\n");
fprintf(stderr,
"\tFor example to associate clos 1 to CPU 0: issue\n");
fprintf(stderr,
"\tintel-speed-select --cpu 0 core-power assoc --clos 1\n");
exit(0);
}
if (current_clos < 0 || current_clos > 3) {
isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
exit(0);
}
if (max_target_cpus)
for_each_online_target_cpu_in_set(set_clos_assoc_for_cpu, NULL,
NULL, NULL, NULL);
else {
isst_display_error_info_message(1, "Invalid target cpu. Specify with [-c|--cpu]", 0, 0);
}
}
static void get_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
int clos, ret;
ret = isst_clos_get_assoc_status(cpu, &clos);
if (ret)
isst_display_error_info_message(1, "isst_clos_get_assoc_status failed", 0, 0);
else
isst_clos_display_assoc_information(cpu, outf, clos);
}
static void get_clos_assoc(int arg)
{
if (cmd_help) {
fprintf(stderr, "Get associate clos id to a CPU\n");
fprintf(stderr, "\tSpecify targeted cpu id with [--cpu|-c]\n");
exit(0);
}
if (!max_target_cpus) {
isst_display_error_info_message(1, "Invalid target cpu. Specify with [-c|--cpu]", 0, 0);
exit(0);
}
isst_ctdp_display_information_start(outf);
for_each_online_target_cpu_in_set(get_clos_assoc_for_cpu, NULL,
NULL, NULL, NULL);
isst_ctdp_display_information_end(outf);
}
static void set_turbo_mode_for_cpu(int cpu, int status)
{
int base_freq;
if (status) {
base_freq = get_cpufreq_base_freq(cpu);
set_cpufreq_scaling_min_max(cpu, 1, base_freq);
} else {
set_scaling_max_to_cpuinfo_max(cpu);
}
if (status) {
isst_display_result(cpu, outf, "turbo-mode", "enable", 0);
} else {
isst_display_result(cpu, outf, "turbo-mode", "disable", 0);
}
}
static void set_turbo_mode(int arg)
{
int i, enable = arg;
if (cmd_help) {
if (enable)
fprintf(stderr, "Set turbo mode enable\n");
else
fprintf(stderr, "Set turbo mode disable\n");
exit(0);
}
isst_ctdp_display_information_start(outf);
for (i = 0; i < topo_max_cpus; ++i) {
int online;
if (i)
online = parse_int_file(
1, "/sys/devices/system/cpu/cpu%d/online", i);
else
online =
1; /* online entry for CPU 0 needs some special configs */
if (online)
set_turbo_mode_for_cpu(i, enable);
}
isst_ctdp_display_information_end(outf);
}
static void get_set_trl(int cpu, void *arg1, void *arg2, void *arg3,
void *arg4)
{
unsigned long long trl;
int set = *(int *)arg4;
int ret;
if (set && !fact_trl) {
isst_display_error_info_message(1, "Invalid TRL. Specify with [-t|--trl]", 0, 0);
exit(0);
}
if (set) {
ret = isst_set_trl(cpu, fact_trl);
isst_display_result(cpu, outf, "turbo-mode", "set-trl", ret);
return;
}
ret = isst_get_trl(cpu, &trl);
if (ret)
isst_display_result(cpu, outf, "turbo-mode", "get-trl", ret);
else
isst_trl_display_information(cpu, outf, trl);
}
static void process_trl(int arg)
{
if (cmd_help) {
if (arg) {
fprintf(stderr, "Set TRL (turbo ratio limits)\n");
fprintf(stderr, "\t t|--trl: Specify turbo ratio limit for setting TRL\n");
} else {
fprintf(stderr, "Get TRL (turbo ratio limits)\n");
}
exit(0);
}
isst_ctdp_display_information_start(outf);
if (max_target_cpus)
for_each_online_target_cpu_in_set(get_set_trl, NULL,
NULL, NULL, &arg);
else
for_each_online_package_in_set(get_set_trl, NULL,
NULL, NULL, &arg);
isst_ctdp_display_information_end(outf);
}
static struct process_cmd_struct clx_n_cmds[] = {
{ "perf-profile", "info", dump_isst_config, 0 },
{ "base-freq", "info", dump_pbf_config, 0 },
{ "base-freq", "enable", set_pbf_enable, 1 },
{ "base-freq", "disable", set_pbf_enable, 0 },
{ NULL, NULL, NULL, 0 }
};
static struct process_cmd_struct isst_cmds[] = {
{ "perf-profile", "get-lock-status", get_tdp_locked, 0 },
{ "perf-profile", "get-config-levels", get_tdp_levels, 0 },
{ "perf-profile", "get-config-version", get_tdp_version, 0 },
{ "perf-profile", "get-config-enabled", get_tdp_enabled, 0 },
{ "perf-profile", "get-config-current-level", get_tdp_current_level,
0 },
{ "perf-profile", "set-config-level", set_tdp_level, 0 },
{ "perf-profile", "info", dump_isst_config, 0 },
{ "base-freq", "info", dump_pbf_config, 0 },
{ "base-freq", "enable", set_pbf_enable, 1 },
{ "base-freq", "disable", set_pbf_enable, 0 },
{ "turbo-freq", "info", dump_fact_config, 0 },
{ "turbo-freq", "enable", set_fact_enable, 1 },
{ "turbo-freq", "disable", set_fact_enable, 0 },
{ "core-power", "info", dump_clos_info, 0 },
{ "core-power", "enable", set_clos_enable, 1 },
{ "core-power", "disable", set_clos_enable, 0 },
{ "core-power", "config", set_clos_config, 0 },
{ "core-power", "get-config", dump_clos_config, 0 },
{ "core-power", "assoc", set_clos_assoc, 0 },
{ "core-power", "get-assoc", get_clos_assoc, 0 },
{ "turbo-mode", "enable", set_turbo_mode, 0 },
{ "turbo-mode", "disable", set_turbo_mode, 1 },
{ "turbo-mode", "get-trl", process_trl, 0 },
{ "turbo-mode", "set-trl", process_trl, 1 },
{ NULL, NULL, NULL }
};
/*
* parse cpuset with following syntax
* 1,2,4..6,8-10 and set bits in cpu_subset
*/
void parse_cpu_command(char *optarg)
{
unsigned int start, end;
char *next;
next = optarg;
while (next && *next) {
if (*next == '-') /* no negative cpu numbers */
goto error;
start = strtoul(next, &next, 10);
if (max_target_cpus < MAX_CPUS_IN_ONE_REQ)
target_cpus[max_target_cpus++] = start;
if (*next == '\0')
break;
if (*next == ',') {
next += 1;
continue;
}
if (*next == '-') {
next += 1; /* start range */
} else if (*next == '.') {
next += 1;
if (*next == '.')
next += 1; /* start range */
else
goto error;
}
end = strtoul(next, &next, 10);
if (end <= start)
goto error;
while (++start <= end) {
if (max_target_cpus < MAX_CPUS_IN_ONE_REQ)
target_cpus[max_target_cpus++] = start;
}
if (*next == ',')
next += 1;
else if (*next != '\0')
goto error;
}
#ifdef DEBUG
{
int i;
for (i = 0; i < max_target_cpus; ++i)
printf("cpu [%d] in arg\n", target_cpus[i]);
}
#endif
return;
error:
fprintf(stderr, "\"--cpu %s\" malformed\n", optarg);
exit(-1);
}
static void parse_cmd_args(int argc, int start, char **argv)
{
int opt;
int option_index;
static struct option long_options[] = {
{ "bucket", required_argument, 0, 'b' },
{ "level", required_argument, 0, 'l' },
{ "online", required_argument, 0, 'o' },
{ "trl-type", required_argument, 0, 'r' },
{ "trl", required_argument, 0, 't' },
{ "help", no_argument, 0, 'h' },
{ "clos", required_argument, 0, 'c' },
{ "desired", required_argument, 0, 'd' },
{ "epp", required_argument, 0, 'e' },
{ "min", required_argument, 0, 'n' },
{ "max", required_argument, 0, 'm' },
{ "priority", required_argument, 0, 'p' },
{ "weight", required_argument, 0, 'w' },
{ "auto", no_argument, 0, 'a' },
{ 0, 0, 0, 0 }
};
option_index = start;
optind = start + 1;
while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:r:hoa",
long_options, &option_index)) != -1) {
switch (opt) {
case 'a':
auto_mode = 1;
break;
case 'b':
fact_bucket = atoi(optarg);
break;
case 'h':
cmd_help = 1;
break;
case 'l':
tdp_level = atoi(optarg);
break;
case 'o':
force_online_offline = 1;
break;
case 't':
sscanf(optarg, "0x%llx", &fact_trl);
break;
case 'r':
if (!strncmp(optarg, "sse", 3)) {
fact_avx = 0x01;
} else if (!strncmp(optarg, "avx2", 4)) {
fact_avx = 0x02;
} else if (!strncmp(optarg, "avx512", 6)) {
fact_avx = 0x04;
} else {
fprintf(outf, "Invalid sse,avx options\n");
exit(1);
}
break;
/* CLOS related */
case 'c':
current_clos = atoi(optarg);
break;
case 'd':
clos_desired = atoi(optarg);
clos_desired /= DISP_FREQ_MULTIPLIER;
break;
case 'e':
clos_epp = atoi(optarg);
if (is_skx_based_platform()) {
isst_display_error_info_message(1, "epp can't be specified on this platform", 0, 0);
exit(0);
}
break;
case 'n':
clos_min = atoi(optarg);
clos_min /= DISP_FREQ_MULTIPLIER;
break;
case 'm':
clos_max = atoi(optarg);
clos_max /= DISP_FREQ_MULTIPLIER;
break;
case 'p':
clos_priority_type = atoi(optarg);
if (is_skx_based_platform() && !clos_priority_type) {
isst_display_error_info_message(1, "Invalid clos priority type: proportional for this platform", 0, 0);
exit(0);
}
break;
case 'w':
clos_prop_prio = atoi(optarg);
if (is_skx_based_platform()) {
isst_display_error_info_message(1, "weight can't be specified on this platform", 0, 0);
exit(0);
}
break;
default:
printf("Unknown option: ignore\n");
}
}
if (argv[optind])
printf("Garbage at the end of command: ignore\n");
}
static void isst_help(void)
{
printf("perf-profile:\tAn architectural mechanism that allows multiple optimized \n\
performance profiles per system via static and/or dynamic\n\
adjustment of core count, workload, Tjmax, and\n\
TDP, etc.\n");
printf("\nCommands : For feature=perf-profile\n");
printf("\tinfo\n");
if (!is_clx_n_platform()) {
printf("\tget-lock-status\n");
printf("\tget-config-levels\n");
printf("\tget-config-version\n");
printf("\tget-config-enabled\n");
printf("\tget-config-current-level\n");
printf("\tset-config-level\n");
}
}
static void pbf_help(void)
{
printf("base-freq:\tEnables users to increase guaranteed base frequency\n\
on certain cores (high priority cores) in exchange for lower\n\
base frequency on remaining cores (low priority cores).\n");
printf("\tcommand : info\n");
printf("\tcommand : enable\n");
printf("\tcommand : disable\n");
}
static void fact_help(void)
{
printf("turbo-freq:\tEnables the ability to set different turbo ratio\n\
limits to cores based on priority.\n");
printf("\nCommand: For feature=turbo-freq\n");
printf("\tcommand : info\n");
printf("\tcommand : enable\n");
printf("\tcommand : disable\n");
}
static void turbo_mode_help(void)
{
printf("turbo-mode:\tEnables users to enable/disable turbo mode by adjusting frequency settings. Also allows to get and set turbo ratio limits (TRL).\n");
printf("\tcommand : enable\n");
printf("\tcommand : disable\n");
printf("\tcommand : get-trl\n");
printf("\tcommand : set-trl\n");
}
static void core_power_help(void)
{
printf("core-power:\tInterface that allows user to define per core/tile\n\
priority.\n");
printf("\nCommands : For feature=core-power\n");