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authorSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2020-12-22 12:33:55 +0300
committerSrinivas Pandruvada <srinivas.pandruvada@linux.intel.com>2021-02-08 22:54:58 +0300
commit2c7dc57e9eb83cb005e6c2b8529f5a0a9b57c3ad (patch)
tree6f47aa3d9acdbc6cd92bb6492fa929af3f71fac4 /tools/power
parent006050a6bd5ee4febf35478bfafb0764a609890a (diff)
downloadlinux-2c7dc57e9eb83cb005e6c2b8529f5a0a9b57c3ad.tar.xz
tools/power/x86/intel-speed-select: Add new command to get/set TRL
Add a new command to get and set TRL (Turbo Ratio Limits). This will help users to get/set TRL, when the direct MSR access is removed. Signed-off-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
Diffstat (limited to 'tools/power')
-rw-r--r--tools/power/x86/intel-speed-select/isst-config.c53
-rw-r--r--tools/power/x86/intel-speed-select/isst-core.c11
-rw-r--r--tools/power/x86/intel-speed-select/isst-display.c18
-rw-r--r--tools/power/x86/intel-speed-select/isst.h2
4 files changed, 83 insertions, 1 deletions
diff --git a/tools/power/x86/intel-speed-select/isst-config.c b/tools/power/x86/intel-speed-select/isst-config.c
index 3d6bfe4f7caa..b3e30f00ce22 100644
--- a/tools/power/x86/intel-speed-select/isst-config.c
+++ b/tools/power/x86/intel-speed-select/isst-config.c
@@ -2353,6 +2353,53 @@ static void set_turbo_mode(int arg)
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 },
@@ -2385,6 +2432,8 @@ static struct process_cmd_struct isst_cmds[] = {
{ "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 }
};
@@ -2602,9 +2651,11 @@ static void fact_help(void)
static void turbo_mode_help(void)
{
- printf("turbo-mode:\tEnables users to enable/disable turbo mode by adjusting frequency settings\n");
+ 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");
}
diff --git a/tools/power/x86/intel-speed-select/isst-core.c b/tools/power/x86/intel-speed-select/isst-core.c
index 8afd23407522..6a26d5769984 100644
--- a/tools/power/x86/intel-speed-select/isst-core.c
+++ b/tools/power/x86/intel-speed-select/isst-core.c
@@ -665,6 +665,17 @@ int isst_get_fact_info(int cpu, int level, int fact_bucket, struct isst_fact_inf
return 0;
}
+int isst_get_trl(int cpu, unsigned long long *trl)
+{
+ int ret;
+
+ ret = isst_send_msr_command(cpu, 0x1AD, 0, trl);
+ if (ret)
+ return ret;
+
+ return 0;
+}
+
int isst_set_trl(int cpu, unsigned long long trl)
{
int ret;
diff --git a/tools/power/x86/intel-speed-select/isst-display.c b/tools/power/x86/intel-speed-select/isst-display.c
index e105fece47b6..8e54ce47648e 100644
--- a/tools/power/x86/intel-speed-select/isst-display.c
+++ b/tools/power/x86/intel-speed-select/isst-display.c
@@ -763,3 +763,21 @@ void isst_display_error_info_message(int error, char *msg, int arg_valid, int ar
if (!start)
format_and_print(outf, 0, NULL, NULL);
}
+
+void isst_trl_display_information(int cpu, FILE *outf, unsigned long long trl)
+{
+ char header[256];
+ char value[256];
+ int level;
+
+ level = print_package_info(cpu, outf);
+
+ snprintf(header, sizeof(header), "get-trl");
+ format_and_print(outf, level + 1, header, NULL);
+
+ snprintf(header, sizeof(header), "trl");
+ snprintf(value, sizeof(value), "0x%llx", trl);
+ format_and_print(outf, level + 2, header, value);
+
+ format_and_print(outf, level, NULL, NULL);
+}
diff --git a/tools/power/x86/intel-speed-select/isst.h b/tools/power/x86/intel-speed-select/isst.h
index 60db0bb084d5..0cac6c54be87 100644
--- a/tools/power/x86/intel-speed-select/isst.h
+++ b/tools/power/x86/intel-speed-select/isst.h
@@ -228,6 +228,7 @@ extern void isst_fact_display_information(int cpu, FILE *outf, int level,
int fact_bucket, int fact_avx,
struct isst_fact_info *fact_info);
extern int isst_set_trl(int cpu, unsigned long long trl);
+extern int isst_get_trl(int cpu, unsigned long long *trl);
extern int isst_set_trl_from_current_tdp(int cpu, unsigned long long trl);
extern int isst_get_config_tdp_lock_status(int cpu);
@@ -256,4 +257,5 @@ extern int get_cpufreq_base_freq(int cpu);
extern int isst_read_pm_config(int cpu, int *cp_state, int *cp_cap);
extern void isst_display_error_info_message(int error, char *msg, int arg_valid, int arg);
extern int is_skx_based_platform(void);
+extern void isst_trl_display_information(int cpu, FILE *outf, unsigned long long trl);
#endif