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-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c1607
1 files changed, 1607 insertions, 0 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
new file mode 100644
index 000000000000..91c5ad1685a1
--- /dev/null
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -0,0 +1,1607 @@
+// 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)(void);
+};
+
+static const char *version_str = "v1.0";
+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;
+
+#define MAX_CPUS_IN_ONE_REQ 64
+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;
+
+/* 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;
+
+void debug_printf(const char *format, ...)
+{
+ va_list args;
+
+ va_start(args, format);
+
+ if (debug_flag)
+ vprintf(format, args);
+
+ va_end(args);
+}
+
+static void 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;
+}
+
+/* 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;
+}
+
+int get_physical_package_id(int cpu)
+{
+ return parse_int_file(
+ 1, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
+ cpu);
+}
+
+int get_physical_core_id(int cpu)
+{
+ return parse_int_file(
+ 1, "/sys/devices/system/cpu/cpu%d/topology/core_id", cpu);
+}
+
+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)
+ ret = 0;
+
+ return ret;
+}
+
+int get_topo_max_cpus(void)
+{
+ return topo_max_cpus;
+}
+
+#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 = get_physical_package_id(i);
+ /* 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;
+
+ 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);
+ }
+}
+
+#define BITMASK_SIZE 32
+static void set_max_cpu_num(void)
+{
+ FILE *filep;
+ unsigned long dummy;
+
+ topo_max_cpus = 0;
+ filep = fopen_or_exit(
+ "/sys/devices/system/cpu/cpu0/topology/thread_siblings", "r");
+ while (fscanf(filep, "%lx,", &dummy) == 1)
+ topo_max_cpus += BITMASK_SIZE;
+ fclose(filep);
+ topo_max_cpus--; /* 0 based */
+
+ 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 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 < MAX_PACKAGE_COUNT &&
+ die_id < MAX_DIE_PER_PACKAGE)
+ cpu_cnt[pkg_id][die_id]++;
+ }
+ closedir(dir);
+ }
+}
+
+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] + 1;
+
+ 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(i)) {
+ int j;
+
+ for (j = 0; j < topo_max_cpus; ++j) {
+ 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) {
+ perror("ISST_IF_IO_CMD");
+ 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;
+ 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 (isst_platform_info.mmio_supported && command == CONFIG_CLOS) {
+ unsigned int value;
+ int write = 0;
+ int clos_id, core_id, ret = 0;
+
+ debug_printf("CLOS %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_PM_QOS_CONFIG:
+ ret = isst_send_mmio_command(cpu, PM_QOS_CONFIG_OFFSET,
+ 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;
+
+ fd = open(pathname, O_RDWR);
+ if (fd < 0)
+ err(-1, "%s open failed", pathname);
+
+ if (ioctl(fd, ISST_IF_MBOX_COMMAND, &mbox_cmds) == -1) {
+ perror("ISST_IF_MBOX_COMMAND");
+ fprintf(outf,
+ "Error: mbox_cmd cpu:%d command:%x sub_command:%x parameter:%x req_data:%x\n",
+ cpu, command, sub_command, parameter, req_data);
+ } 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);
+ }
+
+ close(fd);
+
+ 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_COMMAD");
+ 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);
+
+ return 0;
+}
+
+static void isst_print_platform_information(void)
+{
+ struct isst_if_platform_info platform_info;
+ 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, &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);
+ }
+
+ close(fd);
+
+ exit(0);
+}
+
+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)
+ perror("get_tdp_*");
+ else
+ isst_display_result(cpu, outf, "perf-profile", (char *)arg3,
+ *(unsigned int *)arg4);
+}
+
+#define _get_tdp_level(desc, suffix, object, help) \
+ static void get_tdp_##object(void) \
+ { \
+ struct isst_pkg_ctdp ctdp; \
+\
+ if (cmd_help) { \
+ fprintf(stderr, \
+ "Print %s [No command arguments are required]\n", \
+ help); \
+ exit(0); \
+ } \
+ 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, "TDP levels");
+_get_tdp_level("get-config-version", levels, version, "TDP version");
+_get_tdp_level("get-config-enabled", levels, enabled, "TDP enable status");
+_get_tdp_level("get-config-current_level", levels, current_level,
+ "Current TDP Level");
+_get_tdp_level("get-lock-status", levels, locked, "TDP lock status");
+
+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) {
+ perror("isst_get_process_ctdp");
+ } else {
+ isst_ctdp_display_information(cpu, outf, tdp_level, &pkg_dev);
+ isst_get_process_ctdp_complete(cpu, &pkg_dev);
+ }
+}
+
+static void dump_isst_config(void)
+{
+ 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);
+ }
+
+ isst_ctdp_display_information_start(outf);
+
+ if (max_target_cpus)
+ for_each_online_target_cpu_in_set(dump_isst_config_for_cpu,
+ NULL, NULL, NULL, NULL);
+ else
+ for_each_online_package_in_set(dump_isst_config_for_cpu, NULL,
+ NULL, NULL, NULL);
+
+ isst_ctdp_display_information_end(outf);
+}
+
+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)
+ perror("set_tdp_level_for_cpu");
+ else
+ isst_display_result(cpu, outf, "perf-profile", "set_tdp_level",
+ ret);
+}
+
+static void set_tdp_level(void)
+{
+ if (cmd_help) {
+ fprintf(stderr, "Set Config TDP level\n");
+ fprintf(stderr,
+ "\t Arguments: -l|--level : Specify tdp level\n");
+ exit(0);
+ }
+
+ if (tdp_level == 0xff) {
+ fprintf(outf, "Invalid command: specify tdp_level\n");
+ 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 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) {
+ perror("isst_get_pbf_info");
+ } else {
+ isst_pbf_display_information(cpu, outf, tdp_level, &pbf_info);
+ isst_get_pbf_info_complete(&pbf_info);
+ }
+}
+
+static void dump_pbf_config(void)
+{
+ 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) {
+ fprintf(outf, "Invalid command: specify tdp_level\n");
+ exit(1);
+ }
+
+ isst_ctdp_display_information_start(outf);
+ if (max_target_cpus)
+ for_each_online_target_cpu_in_set(dump_pbf_config_for_cpu, NULL,
+ NULL, NULL, NULL);
+ else
+ for_each_online_package_in_set(dump_pbf_config_for_cpu, NULL,
+ NULL, NULL, NULL);
+ isst_ctdp_display_information_end(outf);
+}
+
+static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
+ void *arg4)
+{
+ int ret;
+ int status = *(int *)arg4;
+
+ ret = isst_set_pbf_fact_status(cpu, 1, status);
+ if (ret) {
+ perror("isst_set_pbf");
+ } else {
+ 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(void)
+{
+ int status = 1;
+
+ if (cmd_help) {
+ fprintf(stderr,
+ "Enable Intel Speed Select Technology base frequency feature [No command arguments are required]\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, &status);
+ else
+ for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
+ NULL, &status);
+ isst_ctdp_display_information_end(outf);
+}
+
+static void set_pbf_disable(void)
+{
+ int status = 0;
+
+ if (cmd_help) {
+ fprintf(stderr,
+ "Disable Intel Speed Select Technology base frequency feature [No command arguments are required]\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, &status);
+ else
+ for_each_online_package_in_set(set_pbf_for_cpu, NULL, NULL,
+ NULL, &status);
+ 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_info);
+ if (ret)
+ perror("isst_get_fact_bucket_info");
+ else
+ isst_fact_display_information(cpu, outf, tdp_level, fact_bucket,
+ fact_avx, &fact_info);
+}
+
+static void dump_fact_config(void)
+{
+ 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) {
+ fprintf(outf, "Invalid command: specify tdp_level\n");
+ 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)
+{
+ int ret;
+ int status = *(int *)arg4;
+
+ ret = isst_set_pbf_fact_status(cpu, 0, status);
+ if (ret)
+ perror("isst_set_fact");
+ else {
+ if (status) {
+ struct isst_pkg_ctdp pkg_dev;
+
+ ret = isst_get_ctdp_levels(cpu, &pkg_dev);
+ if (ret) {
+ isst_display_result(cpu, outf, "turbo-freq",
+ "enable", ret);
+ return;
+ }
+ ret = isst_set_trl(cpu, fact_trl);
+ isst_display_result(cpu, outf, "turbo-freq", "enable",
+ 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(void)
+{
+ int status = 1;
+
+ if (cmd_help) {
+ fprintf(stderr,
+ "Enable Intel Speed Select Technology Turbo frequency feature\n");
+ fprintf(stderr,
+ "Optional: -t|--trl : Specify turbo ratio limit\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, &status);
+ else
+ for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
+ NULL, &status);
+ isst_ctdp_display_information_end(outf);
+}
+
+static void set_fact_disable(void)
+{
+ int status = 0;
+
+ if (cmd_help) {
+ fprintf(stderr,
+ "Disable Intel Speed Select Technology turbo frequency feature\n");
+ fprintf(stderr,
+ "Optional: -t|--trl : Specify turbo ratio limit\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, &status);
+ else
+ for_each_online_package_in_set(set_fact_for_cpu, NULL, NULL,
+ NULL, &status);
+ isst_ctdp_display_information_end(outf);
+}
+
+static void enable_clos_qos_config(int cpu, void *arg1, void *arg2, void *arg3,
+ void *arg4)
+{
+ int ret;
+ int status = *(int *)arg4;
+
+ ret = isst_pm_qos_config(cpu, status, clos_priority_type);
+ if (ret) {
+ perror("isst_pm_qos_config");
+ } else {
+ 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(void)
+{
+ int status = 1;
+
+ if (cmd_help) {
+ fprintf(stderr, "Enable core-power for a package/die\n");
+ fprintf(stderr,
+ "\tClos Enable: Specify priority type with [--priority|-p]\n");
+ fprintf(stderr, "\t\t 0: Proportional, 1: Ordered\n");
+ exit(0);
+ }
+
+ if (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, &status);
+ else
+ for_each_online_package_in_set(enable_clos_qos_config, NULL,
+ NULL, NULL, &status);
+ isst_ctdp_display_information_end(outf);
+}
+
+static void set_clos_disable(void)
+{
+ int status = 0;
+
+ if (cmd_help) {
+ fprintf(stderr,
+ "Disable core-power: [No command arguments are required]\n");
+ exit(0);
+ }
+
+ isst_ctdp_display_information_start(outf);
+ if (max_target_cpus)
+ for_each_online_target_cpu_in_set(enable_clos_qos_config, NULL,
+ NULL, NULL, &status);
+ else
+ for_each_online_package_in_set(enable_clos_qos_config, NULL,
+ NULL, NULL, &status);
+ 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)
+ perror("isst_pm_get_clos");
+ else
+ isst_clos_display_information(cpu, outf, current_clos,
+ &clos_config);
+}
+
+static void dump_clos_config(void)
+{
+ 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) {
+ fprintf(stderr, "Invalid clos id\n");
+ 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 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)
+ perror("isst_set_clos");
+ else
+ isst_display_result(cpu, outf, "core-power", "config", ret);
+}
+
+static void set_clos_config(void)
+{
+ 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");
+ fprintf(stderr, "\tSpecify clos EPP with [--epp|-e]\n");
+ fprintf(stderr,
+ "\tSpecify clos Proportional Priority [--weight|-w]\n");
+ fprintf(stderr, "\tSpecify clos min with [--min|-n]\n");
+ fprintf(stderr, "\tSpecify clos max with [--max|-m]\n");
+ fprintf(stderr, "\tSpecify clos desired with [--desired|-d]\n");
+ exit(0);
+ }
+
+ if (current_clos < 0 || current_clos > 3) {
+ fprintf(stderr, "Invalid clos id\n");
+ exit(0);
+ }
+ if (clos_epp < 0 || clos_epp > 0x0F) {
+ fprintf(stderr, "clos epp is not specified, default: 0\n");
+ clos_epp = 0;
+ }
+ if (clos_prop_prio < 0 || clos_prop_prio > 0x0F) {
+ fprintf(stderr,
+ "clos frequency weight is not specified, 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: 0xff\n");
+ clos_max = 0xff;
+ }
+ if (clos_desired < 0) {
+ fprintf(stderr, "clos desired is not specified, default: 0\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)
+ perror("isst_clos_associate");
+ else
+ isst_display_result(cpu, outf, "core-power", "assoc", ret);
+}
+
+static void set_clos_assoc(void)
+{
+ if (cmd_help) {
+ fprintf(stderr, "Associate a clos id to a CPU\n");
+ fprintf(stderr,
+ "\tSpecify targeted clos id with [--clos|-c]\n");
+ exit(0);
+ }
+
+ if (current_clos < 0 || current_clos > 3) {
+ fprintf(stderr, "Invalid clos id\n");
+ exit(0);
+ }
+ if (max_target_cpus)
+ for_each_online_target_cpu_in_set(set_clos_assoc_for_cpu, NULL,
+ NULL, NULL, NULL);
+ else {
+ fprintf(stderr,
+ "Invalid target cpu. Specify with [-c|--cpu]\n");
+ }
+}
+
+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)
+ perror("isst_clos_get_assoc_status");
+ else
+ isst_display_result(cpu, outf, "core-power", "get-assoc", clos);
+}
+
+static void get_clos_assoc(void)
+{
+ 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)
+ for_each_online_target_cpu_in_set(get_clos_assoc_for_cpu, NULL,
+ NULL, NULL, NULL);
+ else {
+ fprintf(stderr,
+ "Invalid target cpu. Specify with [-c|--cpu]\n");
+ }
+}
+
+static struct process_cmd_struct isst_cmds[] = {
+ { "perf-profile", "get-lock-status", get_tdp_locked },
+ { "perf-profile", "get-config-levels", get_tdp_levels },
+ { "perf-profile", "get-config-version", get_tdp_version },
+ { "perf-profile", "get-config-enabled", get_tdp_enabled },
+ { "perf-profile", "get-config-current-level", get_tdp_current_level },
+ { "perf-profile", "set-config-level", set_tdp_level },
+ { "perf-profile", "info", dump_isst_config },
+ { "base-freq", "info", dump_pbf_config },
+ { "base-freq", "enable", set_pbf_enable },
+ { "base-freq", "disable", set_pbf_disable },
+ { "turbo-freq", "info", dump_fact_config },
+ { "turbo-freq", "enable", set_fact_enable },
+ { "turbo-freq", "disable", set_fact_disable },
+ { "core-power", "info", dump_clos_config },
+ { "core-power", "enable", set_clos_enable },
+ { "core-power", "disable", set_clos_disable },
+ { "core-power", "config", set_clos_config },
+ { "core-power", "assoc", set_clos_assoc },
+ { "core-power", "get-assoc", get_clos_assoc },
+ { 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' },
+ { "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' },
+ { 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:h",
+ long_options, &option_index)) != -1) {
+ switch (opt) {
+ case 'b':
+ fact_bucket = atoi(optarg);
+ break;
+ case 'h':
+ cmd_help = 1;
+ break;
+ case 'l':
+ tdp_level = atoi(optarg);
+ 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", 4)) {
+ fact_avx = 0x04;
+ } else {
+ fprintf(outf, "Invalid sse,avx options\n");
+ exit(1);
+ }
+ break;
+ /* CLOS related */
+ case 'c':
+ current_clos = atoi(optarg);
+ printf("clos %d\n", current_clos);
+ break;
+ case 'd':
+ clos_desired = atoi(optarg);
+ break;
+ case 'e':
+ clos_epp = atoi(optarg);
+ break;
+ case 'n':
+ clos_min = atoi(optarg);
+ break;
+ case 'm':
+ clos_max = atoi(optarg);
+ break;
+ case 'p':
+ clos_priority_type = atoi(optarg);
+ break;
+ case 'w':
+ clos_prop_prio = atoi(optarg);
+ break;
+ default:
+ printf("no match\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");
+ 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 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");
+ printf("\tinfo\n");
+ printf("\tenable\n");
+ printf("\tdisable\n");
+ printf("\tconfig\n");
+ printf("\tassoc\n");
+ printf("\tget-assoc\n");
+}
+
+struct process_cmd_help_struct {
+ char *feature;
+ void (*process_fn)(void);
+};
+
+static struct process_cmd_help_struct isst_help_cmds[] = {
+ { "perf-profile", isst_help },
+ { "base-freq", pbf_help },
+ { "turbo-freq", fact_help },
+ { "core-power", core_power_help },
+ { NULL, NULL }
+};
+
+void process_command(int argc, char **argv)
+{
+ int i = 0, matched = 0;
+ char *feature = argv[optind];
+ char *cmd = argv[optind + 1];
+
+ if (!feature || !cmd)
+ return;
+
+ debug_printf("feature name [%s] command [%s]\n", feature, cmd);
+ if (!strcmp(cmd, "-h") || !strcmp(cmd, "--help")) {
+ while (isst_help_cmds[i].feature) {
+ if (!strcmp(isst_help_cmds[i].feature, feature)) {
+ isst_help_cmds[i].process_fn();
+ exit(0);
+ }
+ ++i;
+ }
+ }
+
+ create_cpu_map();
+
+ i = 0;
+ while (isst_cmds[i].feature) {
+ if (!strcmp(isst_cmds[i].feature, feature) &&
+ !strcmp(isst_cmds[i].command, cmd)) {
+ parse_cmd_args(argc, optind + 1, argv);
+ isst_cmds[i].process_fn();
+ matched = 1;
+ break;
+ }
+ ++i;
+ }
+
+ if (!matched)
+ fprintf(stderr, "Invalid command\n");
+}
+
+static void usage(void)
+{
+ printf("Intel(R) Speed Select Technology\n");
+ printf("\nUsage:\n");
+ printf("intel-speed-select [OPTIONS] FEATURE COMMAND COMMAND_ARGUMENTS\n");
+ printf("\nUse this tool to enumerate and control the Intel Speed Select Technology features,\n");
+ printf("\nFEATURE : [perf-profile|base-freq|turbo-freq|core-power]\n");
+ printf("\nFor help on each feature, use --h|--help\n");
+ printf("\tFor example: intel-speed-select perf-profile -h\n");
+
+ printf("\nFor additional help on each command for a feature, use --h|--help\n");
+ printf("\tFor example: intel-speed-select perf-profile get-lock-status -h\n");
+ printf("\t\t This will print help for the command \"get-lock-status\" for the feature \"perf-profile\"\n");
+
+ printf("\nOPTIONS\n");
+ printf("\t[-c|--cpu] : logical cpu number\n");
+ printf("\t\tDefault: Die scoped for all dies in the system with multiple dies/package\n");
+ printf("\t\t\t Or Package scoped for all Packages when each package contains one die\n");
+ printf("\t[-d|--debug] : Debug mode\n");
+ printf("\t[-h|--help] : Print help\n");
+ printf("\t[-i|--info] : Print platform information\n");
+ printf("\t[-o|--out] : Output file\n");
+ printf("\t\t\tDefault : stderr\n");
+ printf("\t[-f|--format] : output format [json|text]. Default: text\n");
+ printf("\t[-v|--version] : Print version\n");
+
+ printf("\nResult format\n");
+ printf("\tResult display uses a common format for each command:\n");
+ printf("\tResults are formatted in text/JSON with\n");
+ printf("\t\tPackage, Die, CPU, and command specific results.\n");
+ printf("\t\t\tFor Set commands, status is 0 for success and rest for failures\n");
+ exit(1);
+}
+
+static void print_version(void)
+{
+ fprintf(outf, "Version %s\n", version_str);
+ fprintf(outf, "Build date %s time %s\n", __DATE__, __TIME__);
+ exit(0);
+}
+
+static void cmdline(int argc, char **argv)
+{
+ int opt;
+ int option_index = 0;
+
+ static struct option long_options[] = {
+ { "cpu", required_argument, 0, 'c' },
+ { "debug", no_argument, 0, 'd' },
+ { "format", required_argument, 0, 'f' },
+ { "help", no_argument, 0, 'h' },
+ { "info", no_argument, 0, 'i' },
+ { "out", required_argument, 0, 'o' },
+ { "version", no_argument, 0, 'v' },
+ { 0, 0, 0, 0 }
+ };
+
+ progname = argv[0];
+ while ((opt = getopt_long_only(argc, argv, "+c:df:hio:v", long_options,
+ &option_index)) != -1) {
+ switch (opt) {
+ case 'c':
+ parse_cpu_command(optarg);
+ break;
+ case 'd':
+ debug_flag = 1;
+ printf("Debug Mode ON\n");
+ break;
+ case 'f':
+ if (!strncmp(optarg, "json", 4))
+ out_format_json = 1;
+ break;
+ case 'h':
+ usage();
+ break;
+ case 'i':
+ isst_print_platform_information();
+ break;
+ case 'o':
+ if (outf)
+ fclose(outf);
+ outf = fopen_or_exit(optarg, "w");
+ break;
+ case 'v':
+ print_version();
+ break;
+ default:
+ usage();
+ }
+ }
+
+ if (geteuid() != 0) {
+ fprintf(stderr, "Must run as root\n");
+ exit(0);
+ }
+
+ if (optind > (argc - 2)) {
+ fprintf(stderr, "Feature name and|or command not specified\n");
+ exit(0);
+ }
+ update_cpu_model();
+ printf("Intel(R) Speed Select Technology\n");
+ printf("Executing on CPU model:%d[0x%x]\n", cpu_model, cpu_model);
+ set_max_cpu_num();
+ set_cpu_present_cpu_mask();
+ set_cpu_target_cpu_mask();
+ isst_fill_platform_info();
+ if (isst_platform_info.api_version > supported_api_ver) {
+ printf("Incompatible API versions; Upgrade of tool is required\n");
+ exit(0);
+ }
+
+ process_command(argc, argv);
+}
+
+int main(int argc, char **argv)
+{
+ outf = stderr;
+ cmdline(argc, argv);
+ return 0;
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-10 05:50:54 +0000