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Diffstat (limited to 'tools/power/x86/intel-speed-select/isst-config.c')
-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c583
1 files changed, 463 insertions, 120 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 2b2b8167c65b..b73763489410 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -15,7 +15,7 @@ struct process_cmd_struct {
int arg;
};
-static const char *version_str = "v1.2";
+static const char *version_str = "v1.3";
static const int supported_api_ver = 1;
static struct isst_if_platform_info isst_platform_info;
static char *progname;
@@ -42,6 +42,7 @@ static int out_format_json;
static int cmd_help;
static int force_online_offline;
static int auto_mode;
+static int fact_enable_fail;
/* clos related */
static int current_clos = -1;
@@ -61,6 +62,18 @@ struct _cpu_map {
};
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;
@@ -82,6 +95,14 @@ int is_clx_n_platform(void)
return 0;
}
+int is_skx_based_platform(void)
+{
+ if (cpu_model == 0x55)
+ return 1;
+
+ return 0;
+}
+
static int update_cpu_model(void)
{
unsigned int ebx, ecx, edx;
@@ -175,25 +196,137 @@ 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 = "/tmp/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 = "/tmp/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;
+ }
+
+ 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)
{
- return parse_int_file(
- 0, "/sys/devices/system/cpu/cpu%d/topology/physical_package_id",
- 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)
{
- return parse_int_file(
- 0, "/sys/devices/system/cpu/cpu%d/topology/core_id", 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);
+ 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)
+ return die_id;
+ }
+
if (ret < 0)
ret = 0;
@@ -219,8 +352,14 @@ static void set_cpu_online_offline(int cpu, int state)
"/sys/devices/system/cpu/cpu%d/online", cpu);
fd = open(buffer, O_WRONLY);
- if (fd < 0)
+ 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);
@@ -259,7 +398,12 @@ static void for_each_online_package_in_set(void (*callback)(int, void *, void *,
die_id = get_physical_die_id(i);
if (die_id < 0)
die_id = 0;
- pkg_id = get_physical_package_id(i);
+
+ 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);
@@ -281,7 +425,7 @@ 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;
+ int i, found = 0;
for (i = 0; i < topo_max_cpus; ++i) {
int online;
@@ -295,9 +439,14 @@ static void for_each_online_target_cpu_in_set(
online =
1; /* online entry for CPU 0 needs some special configs */
- if (online && callback)
+ 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
@@ -305,14 +454,27 @@ static void set_max_cpu_num(void)
{
FILE *filep;
unsigned long dummy;
+ int i;
topo_max_cpus = 0;
- filep = fopen_or_exit(
- "/sys/devices/system/cpu/cpu0/topology/thread_siblings", "r");
+ 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);
- topo_max_cpus--; /* 0 based */
debug_printf("max cpus %d\n", topo_max_cpus);
}
@@ -362,6 +524,10 @@ static void set_cpu_present_cpu_mask(void)
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);
@@ -542,7 +708,11 @@ static int isst_send_mmio_command(unsigned int cpu, unsigned int reg, int write,
}
if (ioctl(fd, cmd, &io_regs) == -1) {
- perror("ISST_IF_IO_CMD");
+ 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 {
@@ -571,7 +741,8 @@ int isst_send_mbox_command(unsigned int cpu, unsigned char command,
"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) {
+ 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;
@@ -620,10 +791,14 @@ int isst_send_mbox_command(unsigned int cpu, unsigned char command,
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);
+ 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);
return -1;
} else {
*resp = mbox_cmds.mbox_cmd[0].resp_data;
@@ -656,7 +831,7 @@ int isst_send_msr_command(unsigned int cpu, unsigned int msr, int write,
msr_cmds.msr_cmd[0].data = *req_resp;
if (ioctl(fd, ISST_IF_MSR_COMMAND, &msr_cmds) == -1) {
- perror("ISST_IF_MSR_COMMAD");
+ perror("ISST_IF_MSR_COMMAND");
fprintf(outf, "Error: msr_cmd cpu:%d msr:%x read_write:%d\n",
cpu, msr, write);
} else {
@@ -697,12 +872,85 @@ static int isst_fill_platform_info(void)
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 (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);
@@ -718,6 +966,7 @@ static void isst_print_platform_information(void)
platform_info.mbox_supported);
fprintf(outf, "Platform: mmio supported : %d\n",
platform_info.mmio_supported);
+ isst_print_extended_platform_info();
}
close(fd);
@@ -725,6 +974,7 @@ static void isst_print_platform_information(void)
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)
{
@@ -734,13 +984,14 @@ static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
fn_ptr = arg1;
ret = fn_ptr(cpu, arg2);
if (ret)
- perror("get_tdp_*");
+ isst_display_error_info_message(1, "get_tdp_* failed", 0, 0);
else
isst_ctdp_display_core_info(cpu, outf, arg3,
- *(unsigned int *)arg4);
+ *(unsigned int *)arg4,
+ local_str0, local_str1);
}
-#define _get_tdp_level(desc, suffix, object, help) \
+#define _get_tdp_level(desc, suffix, object, help, str0, str1) \
static void get_tdp_##object(int arg) \
{ \
struct isst_pkg_ctdp ctdp; \
@@ -751,6 +1002,8 @@ static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
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( \
@@ -764,12 +1017,12 @@ static void exec_on_get_ctdp_cpu(int cpu, void *arg1, void *arg2, void *arg3,
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-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");
-_get_tdp_level("get-lock-status", levels, locked, "TDP lock status");
+ "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;
@@ -902,9 +1155,14 @@ static void dump_clx_n_config_for_cpu(int cpu, void *arg1, void *arg2,
{
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) {
- perror("isst_get_process_ctdp");
+ debug_printf("clx_n_config failed");
} else {
struct isst_pkg_ctdp_level_info *ctdp_level;
struct isst_pbf_info *pbf_info;
@@ -926,7 +1184,9 @@ static void dump_isst_config_for_cpu(int cpu, void *arg1, void *arg2,
memset(&pkg_dev, 0, sizeof(pkg_dev));
ret = isst_get_process_ctdp(cpu, tdp_level, &pkg_dev);
if (ret) {
- perror("isst_get_process_ctdp");
+ 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);
@@ -969,9 +1229,11 @@ static void set_tdp_level_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
int ret;
ret = isst_set_tdp_level(cpu, tdp_level);
- if (ret)
- perror("set_tdp_level_for_cpu");
- else {
+ 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) {
@@ -1009,11 +1271,13 @@ static void set_tdp_level(int arg)
"\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) {
- fprintf(outf, "Invalid command: specify tdp_level\n");
+ isst_display_error_info_message(1, "Invalid command: specify tdp_level", 0, 0);
exit(1);
}
isst_ctdp_display_information_start(outf);
@@ -1033,7 +1297,7 @@ static void clx_n_dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2,
ret = clx_n_config(cpu);
if (ret) {
- perror("isst_get_process_ctdp");
+ 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;
@@ -1054,7 +1318,9 @@ static void dump_pbf_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
ret = isst_get_pbf_info(cpu, tdp_level, &pbf_info);
if (ret) {
- perror("isst_get_pbf_info");
+ 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);
@@ -1074,7 +1340,7 @@ static void dump_pbf_config(int arg)
}
if (tdp_level == 0xff) {
- fprintf(outf, "Invalid command: specify tdp_level\n");
+ isst_display_error_info_message(1, "Invalid command: specify tdp_level", 0, 0);
exit(1);
}
@@ -1100,7 +1366,7 @@ static int set_clos_param(int cpu, int clos, int epp, int wt, int min, int max)
ret = isst_pm_get_clos(cpu, clos, &clos_config);
if (ret) {
- perror("isst_pm_get_clos");
+ isst_display_error_info_message(1, "isst_pm_get_clos failed", 0, 0);
return ret;
}
clos_config.clos_min = min;
@@ -1109,7 +1375,7 @@ static int set_clos_param(int cpu, int clos, int epp, int wt, int min, int max)
clos_config.clos_prop_prio = wt;
ret = isst_set_clos(cpu, clos, &clos_config);
if (ret) {
- perror("isst_pm_set_clos");
+ isst_display_error_info_message(1, "isst_set_clos failed", 0, 0);
return ret;
}
@@ -1153,7 +1419,7 @@ static int set_clx_pbf_cpufreq_scaling_min_max(int cpu)
ret = clx_n_config(cpu);
if (ret) {
- perror("set_clx_pbf_cpufreq_scaling_min_max");
+ debug_printf("cpufreq_scaling_min_max failed for CLX");
return ret;
}
@@ -1316,7 +1582,7 @@ static int set_core_priority_and_min(int cpu, int mask_size,
debug_printf("Associate cpu: %d clos: %d\n", i, clos);
ret = isst_clos_associate(i, clos);
if (ret) {
- perror("isst_clos_associate");
+ isst_display_error_info_message(1, "isst_clos_associate failed", 0, 0);
return ret;
}
}
@@ -1332,14 +1598,14 @@ static int set_pbf_core_power(int cpu)
ret = isst_get_ctdp_levels(cpu, &pkg_dev);
if (ret) {
- perror("isst_get_ctdp_levels");
+ 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) {
- perror("isst_get_pbf_info");
+ debug_printf("isst_get_pbf_info failed");
return ret;
}
debug_printf("p1_high: %d p1_low: %d\n", pbf_info.p1_high,
@@ -1349,13 +1615,13 @@ static int set_pbf_core_power(int cpu)
pbf_info.core_cpumask,
pbf_info.p1_high, pbf_info.p1_low);
if (ret) {
- perror("set_core_priority_and_min");
+ debug_printf("set_core_priority_and_min failed");
return ret;
}
ret = isst_pm_qos_config(cpu, 1, 1);
if (ret) {
- perror("isst_pm_qos_config");
+ debug_printf("isst_pm_qos_config failed");
return ret;
}
@@ -1369,17 +1635,13 @@ static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
int status = *(int *)arg4;
if (is_clx_n_platform()) {
+ ret = 0;
if (status) {
- ret = 0;
- if (auto_mode)
- set_clx_pbf_cpufreq_scaling_min_max(cpu);
+ set_clx_pbf_cpufreq_scaling_min_max(cpu);
} else {
- ret = -1;
- if (auto_mode) {
- set_scaling_max_to_cpuinfo_max(cpu);
- set_scaling_min_to_cpuinfo_min(cpu);
- }
+ set_scaling_max_to_cpuinfo_max(cpu);
+ set_scaling_min_to_cpuinfo_min(cpu);
}
goto disp_result;
}
@@ -1392,7 +1654,7 @@ static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
ret = isst_set_pbf_fact_status(cpu, 1, status);
if (ret) {
- perror("isst_set_pbf");
+ debug_printf("isst_set_pbf_fact_status failed");
if (auto_mode)
isst_pm_qos_config(cpu, 0, 0);
} else {
@@ -1405,7 +1667,7 @@ static void set_pbf_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
}
if (auto_mode && !status)
- isst_pm_qos_config(cpu, 0, 0);
+ isst_pm_qos_config(cpu, 0, 1);
disp_result:
if (status)
@@ -1424,10 +1686,25 @@ static void set_pbf_enable(int arg)
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,
@@ -1452,12 +1729,15 @@ static void dump_fact_config_for_cpu(int cpu, void *arg1, void *arg2,
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
+ 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)
@@ -1475,7 +1755,7 @@ static void dump_fact_config(int arg)
}
if (tdp_level == 0xff) {
- fprintf(outf, "Invalid command: specify tdp_level\n");
+ isst_display_error_info_message(1, "Invalid command: specify tdp_level\n", 0, 0);
exit(1);
}
@@ -1503,7 +1783,7 @@ static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
ret = isst_set_pbf_fact_status(cpu, 0, status);
if (ret) {
- perror("isst_set_fact");
+ debug_printf("isst_set_pbf_fact_status failed");
if (auto_mode)
isst_pm_qos_config(cpu, 0, 0);
@@ -1527,6 +1807,8 @@ static void set_fact_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
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);
@@ -1568,7 +1850,7 @@ static void set_fact_enable(int arg)
NULL, &enable);
isst_ctdp_display_information_end(outf);
- if (enable && auto_mode) {
+ 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
@@ -1652,9 +1934,12 @@ static void enable_clos_qos_config(int cpu, void *arg1, void *arg2, void *arg3,
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)
- perror("isst_pm_qos_config");
+ isst_display_error_info_message(1, "isst_pm_qos_config failed", 0, 0);
if (status)
isst_display_result(cpu, outf, "core-power", "enable",
@@ -1672,9 +1957,11 @@ static void set_clos_enable(int arg)
if (enable) {
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");
+ 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");
@@ -1705,7 +1992,7 @@ static void dump_clos_config_for_cpu(int cpu, void *arg1, void *arg2,
ret = isst_pm_get_clos(cpu, current_clos, &clos_config);
if (ret)
- perror("isst_pm_get_clos");
+ isst_display_error_info_message(1, "isst_pm_get_clos failed", 0, 0);
else
isst_clos_display_information(cpu, outf, current_clos,
&clos_config);
@@ -1721,7 +2008,8 @@ static void dump_clos_config(int arg)
exit(0);
}
if (current_clos < 0 || current_clos > 3) {
- fprintf(stderr, "Invalid clos id\n");
+ isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
+ isst_ctdp_display_information_end(outf);
exit(0);
}
@@ -1742,9 +2030,14 @@ static void get_clos_info_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
ret = isst_clos_get_clos_information(cpu, &enable, &prio_type);
if (ret)
- perror("isst_clos_get_info");
- else
- isst_clos_display_clos_information(cpu, outf, enable, prio_type);
+ 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)
@@ -1752,19 +2045,17 @@ static void dump_clos_info(int arg)
if (cmd_help) {
fprintf(stderr,
"Print Intel Speed Select Technology core power information\n");
- fprintf(stderr, "\tSpecify targeted cpu id with [--cpu|-c]\n");
- exit(0);
- }
-
- if (!max_target_cpus) {
- fprintf(stderr,
- "Invalid target cpu. Specify with [-c|--cpu]\n");
+ fprintf(stderr, "\t Optionally specify targeted cpu id with [--cpu|-c]\n");
exit(0);
}
isst_ctdp_display_information_start(outf);
- for_each_online_target_cpu_in_set(get_clos_info_for_cpu, NULL,
- NULL, NULL, NULL);
+ 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);
}
@@ -1785,7 +2076,7 @@ static void set_clos_config_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
clos_config.clos_desired = clos_desired;
ret = isst_set_clos(cpu, current_clos, &clos_config);
if (ret)
- perror("isst_set_clos");
+ isst_display_error_info_message(1, "isst_set_clos failed", 0, 0);
else
isst_display_result(cpu, outf, "core-power", "config", ret);
}
@@ -1797,26 +2088,27 @@ static void set_clos_config(int arg)
"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");
+ 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");
- fprintf(stderr, "\tSpecify clos desired in MHz with [--desired|-d]\n");
exit(0);
}
if (current_clos < 0 || current_clos > 3) {
- fprintf(stderr, "Invalid clos id\n");
+ isst_display_error_info_message(1, "Invalid clos id\n", 0, 0);
exit(0);
}
- if (clos_epp < 0 || clos_epp > 0x0F) {
- fprintf(stderr, "clos epp is not specified, default: 0\n");
+ 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 (clos_prop_prio < 0 || clos_prop_prio > 0x0F) {
+ if (!is_skx_based_platform() && (clos_prop_prio < 0 || clos_prop_prio > 0x0F)) {
fprintf(stderr,
- "clos frequency weight is not specified, default: 0\n");
+ "clos frequency weight is not specified or invalid, default: 0\n");
clos_prop_prio = 0;
}
if (clos_min < 0) {
@@ -1824,11 +2116,11 @@ static void set_clos_config(int arg)
clos_min = 0;
}
if (clos_max < 0) {
- fprintf(stderr, "clos max is not specified, default: 25500 MHz\n");
+ fprintf(stderr, "clos max is not specified, default: Max frequency (ratio 0xff)\n");
clos_max = 0xff;
}
- if (clos_desired < 0) {
- fprintf(stderr, "clos desired is not specified, default: 0\n");
+ if (clos_desired) {
+ fprintf(stderr, "clos desired is not supported on this platform\n");
clos_desired = 0x00;
}
@@ -1849,7 +2141,7 @@ static void set_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
ret = isst_clos_associate(cpu, current_clos);
if (ret)
- perror("isst_clos_associate");
+ debug_printf("isst_clos_associate failed");
else
isst_display_result(cpu, outf, "core-power", "assoc", ret);
}
@@ -1860,19 +2152,22 @@ static void set_clos_assoc(int arg)
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) {
- fprintf(stderr, "Invalid clos id\n");
+ 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 {
- fprintf(stderr,
- "Invalid target cpu. Specify with [-c|--cpu]\n");
+ isst_display_error_info_message(1, "Invalid target cpu. Specify with [-c|--cpu]", 0, 0);
}
}
@@ -1883,7 +2178,7 @@ static void get_clos_assoc_for_cpu(int cpu, void *arg1, void *arg2, void *arg3,
ret = isst_clos_get_assoc_status(cpu, &clos);
if (ret)
- perror("isst_clos_get_assoc_status");
+ isst_display_error_info_message(1, "isst_clos_get_assoc_status failed", 0, 0);
else
isst_clos_display_assoc_information(cpu, outf, clos);
}
@@ -1897,8 +2192,7 @@ static void get_clos_assoc(int arg)
}
if (!max_target_cpus) {
- fprintf(stderr,
- "Invalid target cpu. Specify with [-c|--cpu]\n");
+ isst_display_error_info_message(1, "Invalid target cpu. Specify with [-c|--cpu]", 0, 0);
exit(0);
}
@@ -2035,7 +2329,7 @@ static void parse_cmd_args(int argc, int start, char **argv)
option_index = start;
optind = start + 1;
- while ((opt = getopt_long(argc, argv, "b:l:t:c:d:e:n:m:p:w:hoa",
+ 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':
@@ -2061,7 +2355,7 @@ static void parse_cmd_args(int argc, int start, char **argv)
fact_avx = 0x01;
} else if (!strncmp(optarg, "avx2", 4)) {
fact_avx = 0x02;
- } else if (!strncmp(optarg, "avx512", 4)) {
+ } else if (!strncmp(optarg, "avx512", 6)) {
fact_avx = 0x04;
} else {
fprintf(outf, "Invalid sse,avx options\n");
@@ -2078,6 +2372,10 @@ static void parse_cmd_args(int argc, int start, char **argv)
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);
@@ -2089,14 +2387,25 @@ static void parse_cmd_args(int argc, int start, char **argv)
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("no match\n");
+ printf("Unknown option: ignore\n");
}
}
+
+ if (argv[optind])
+ printf("Garbage at the end of command: ignore\n");
}
static void isst_help(void)
@@ -2214,11 +2523,18 @@ void process_command(int argc, char **argv,
static void usage(void)
{
- printf("Intel(R) Speed Select Technology\n");
+ if (is_clx_n_platform()) {
+ fprintf(stderr, "\nThere is limited support of Intel Speed Select features on this platform.\n");
+ fprintf(stderr, "Everything is pre-configured using BIOS options, this tool can't enable any feature in the hardware.\n\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("\nUse this tool to enumerate and control the Intel Speed Select Technology features:\n");
+ if (is_clx_n_platform())
+ printf("\nFEATURE : [perf-profile|base-freq]\n");
+ else
+ 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");
@@ -2231,17 +2547,29 @@ static void usage(void)
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[-f|--format] : output format [json|text]. Default: text\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("\nExamples\n");
+ printf("\tTo get platform information:\n");
+ printf("\t\tintel-speed-select --info\n");
+ printf("\tTo get full perf-profile information dump:\n");
+ printf("\t\tintel-speed-select perf-profile info\n");
+ printf("\tTo get full base-freq information dump:\n");
+ printf("\t\tintel-speed-select base-freq info -l 0\n");
+ if (!is_clx_n_platform()) {
+ printf("\tTo get full turbo-freq information dump:\n");
+ printf("\t\tintel-speed-select turbo-freq info -l 0\n");
+ }
exit(1);
}
@@ -2254,6 +2582,8 @@ static void print_version(void)
static void cmdline(int argc, char **argv)
{
+ const char *pathname = "/dev/isst_interface";
+ FILE *fp;
int opt;
int option_index = 0;
int ret;
@@ -2269,6 +2599,28 @@ static void cmdline(int argc, char **argv)
{ 0, 0, 0, 0 }
};
+ if (geteuid() != 0) {
+ fprintf(stderr, "Must run as root\n");
+ exit(0);
+ }
+
+ ret = update_cpu_model();
+ if (ret)
+ err(-1, "Invalid CPU model (%d)\n", cpu_model);
+ printf("Intel(R) Speed Select Technology\n");
+ printf("Executing on CPU model:%d[0x%x]\n", cpu_model, cpu_model);
+
+ if (!is_clx_n_platform()) {
+ fp = fopen(pathname, "rb");
+ if (!fp) {
+ fprintf(stderr, "Intel speed select drivers are not loaded on this system.\n");
+ fprintf(stderr, "Verify that kernel config includes CONFIG_INTEL_SPEED_SELECT_INTERFACE.\n");
+ fprintf(stderr, "If the config is included then this is not a supported platform.\n");
+ exit(0);
+ }
+ fclose(fp);
+ }
+
progname = argv[0];
while ((opt = getopt_long_only(argc, argv, "+c:df:hio:v", long_options,
&option_index)) != -1) {
@@ -2303,21 +2655,12 @@ static void cmdline(int argc, char **argv)
}
}
- 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");
+ usage();
exit(0);
}
- ret = update_cpu_model();
- if (ret)
- err(-1, "Invalid CPU model (%d)\n", 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();
+ store_cpu_topology();
set_cpu_present_cpu_mask();
set_cpu_target_cpu_mask();