tools/power/x86/intel-speed-select: Display core count for bucket

Read the bucket and core count relationship via MSR and display
when displaying turbo ratio limits.

Signed-off-by: Srinivas Pandruvada <[email protected]>
Signed-off-by: Andy Shevchenko <[email protected]>

Author: spandruvada

tools/power/x86/intel-speed-select/isst-core.c

@@ -188,6 +188,24 @@ int isst_get_get_trl(int cpu, int level, int avx_level, int *trl)
 	return 0;
 }
 
+int isst_get_trl_bucket_info(int cpu, unsigned long long *buckets_info)
+{
+	int ret;
+
+	debug_printf("cpu:%d bucket info via MSR\n", cpu);
+
+	*buckets_info = 0;
+
+	ret = isst_send_msr_command(cpu, 0x1ae, 0, buckets_info);
+	if (ret)
+		return ret;
+
+	debug_printf("cpu:%d bucket info via MSR successful 0x%llx\n", cpu,
+		     *buckets_info);
+
+	return 0;
+}
+
 int isst_set_tdp_level_msr(int cpu, int tdp_level)
 {
 	unsigned long long level = tdp_level;
@@ -563,6 +581,10 @@ int isst_get_process_ctdp(int cpu, int tdp_level, struct isst_pkg_ctdp *pkg_dev)
 		if (ret)
 			return ret;
 
+		ret = isst_get_trl_bucket_info(cpu, &ctdp_level->buckets_info);
+		if (ret)
+			return ret;
+
 		ret = isst_get_get_trl(cpu, i, 0,
 				       ctdp_level->trl_sse_active_cores);
 		if (ret)

tools/power/x86/intel-speed-select/isst-display.c

@@ -372,7 +372,7 @@ void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
 			format_and_print(outf, base_level + 5, header, NULL);
 
 			snprintf(header, sizeof(header), "core-count");
-			snprintf(value, sizeof(value), "%d", j);
+			snprintf(value, sizeof(value), "%llu", (ctdp_level->buckets_info >> (j * 8)) & 0xff);
 			format_and_print(outf, base_level + 6, header, value);
 
 			snprintf(header, sizeof(header),
@@ -389,7 +389,7 @@ void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
 			format_and_print(outf, base_level + 5, header, NULL);
 
 			snprintf(header, sizeof(header), "core-count");
-			snprintf(value, sizeof(value), "%d", j);
+			snprintf(value, sizeof(value), "%llu", (ctdp_level->buckets_info >> (j * 8)) & 0xff);
 			format_and_print(outf, base_level + 6, header, value);
 
 			snprintf(header, sizeof(header),
@@ -407,7 +407,7 @@ void isst_ctdp_display_information(int cpu, FILE *outf, int tdp_level,
 			format_and_print(outf, base_level + 5, header, NULL);
 
 			snprintf(header, sizeof(header), "core-count");
-			snprintf(value, sizeof(value), "%d", j);
+			snprintf(value, sizeof(value), "%llu", (ctdp_level->buckets_info >> (j * 8)) & 0xff);
 			format_and_print(outf, base_level + 6, header, value);
 
 			snprintf(header, sizeof(header),

tools/power/x86/intel-speed-select/isst.h

@@ -134,6 +134,7 @@ struct isst_pkg_ctdp_level_info {
 	size_t core_cpumask_size;
 	cpu_set_t *core_cpumask;
 	int cpu_count;
+	unsigned long long buckets_info;
 	int trl_sse_active_cores[ISST_TRL_MAX_ACTIVE_CORES];
 	int trl_avx_active_cores[ISST_TRL_MAX_ACTIVE_CORES];
 	int trl_avx_512_active_cores[ISST_TRL_MAX_ACTIVE_CORES];