1
0
Fork 0
mirror of https://github.com/anrieff/libcpuid synced 2024-12-16 16:35:45 +00:00

Improve cpuid_tool behavior when cpu_types array is empty

It happens when cpuid_get_all_raw_data() cannot use set_cpu_affinity()
This commit is contained in:
The Tumultuous Unicorn Of Darkness 2024-07-27 13:33:55 +02:00
parent 2133c22052
commit c6723aa914
No known key found for this signature in database
GPG key ID: 1E55EE2EFF18BC1A

View file

@ -758,74 +758,77 @@ int main(int argc, char** argv)
if (verbose_level >= 1) {
printf("Writing decoded CPU report to `%s'\n", out_file);
}
/* Write a thorough report of cpu_id_t structure to output (usually stdout) */
fprintf(fout, "CPUID is present\n");
/*
* Try CPU identification
* (this fill the `data' structure with decoded CPU features)
*/
if (cpu_identify_all(&raw_array, &data) < 0)
fprintf(fout, "Error identifying the CPU: %s\n", cpuid_error());
/* OK, now write what we have in `data'...: */
for (cpu_type_index = 0; cpu_type_index < data.num_cpu_types; cpu_type_index++) {
fprintf(fout, "CPU Info for type #%d:\n------------------\n", cpu_type_index);
fprintf(fout, " arch : %s\n", cpu_architecture_str(data.cpu_types[cpu_type_index].architecture));
fprintf(fout, " feat_level : %s\n", cpu_feature_level_str(data.cpu_types[cpu_type_index].feature_level));
fprintf(fout, " purpose : %s\n", cpu_purpose_str(data.cpu_types[cpu_type_index].purpose));
fprintf(fout, " vendor_str : `%s'\n", data.cpu_types[cpu_type_index].vendor_str);
fprintf(fout, " vendor id : %d\n", (int) data.cpu_types[cpu_type_index].vendor);
fprintf(fout, " brand_str : `%s'\n", data.cpu_types[cpu_type_index].brand_str);
if (data.cpu_types[cpu_type_index].architecture == ARCHITECTURE_X86) {
fprintf(fout, " family : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.family, data.cpu_types[cpu_type_index].x86.family);
fprintf(fout, " model : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.model, data.cpu_types[cpu_type_index].x86.model);
fprintf(fout, " stepping : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.stepping, data.cpu_types[cpu_type_index].x86.stepping);
fprintf(fout, " ext_family : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.ext_family, data.cpu_types[cpu_type_index].x86.ext_family);
fprintf(fout, " ext_model : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.ext_model, data.cpu_types[cpu_type_index].x86.ext_model);
else if (data.num_cpu_types == 0)
fprintf(fout, "The cpu_types array is empty: there is nothing to report\n");
else {
/* Write a thorough report of cpu_id_t structure to output (usually stdout) */
fprintf(fout, "CPUID is present\n");
/* OK, now write what we have in `data'...: */
for (cpu_type_index = 0; cpu_type_index < data.num_cpu_types; cpu_type_index++) {
fprintf(fout, "CPU Info for type #%d:\n------------------\n", cpu_type_index);
fprintf(fout, " arch : %s\n", cpu_architecture_str(data.cpu_types[cpu_type_index].architecture));
fprintf(fout, " feat_level : %s\n", cpu_feature_level_str(data.cpu_types[cpu_type_index].feature_level));
fprintf(fout, " purpose : %s\n", cpu_purpose_str(data.cpu_types[cpu_type_index].purpose));
fprintf(fout, " vendor_str : `%s'\n", data.cpu_types[cpu_type_index].vendor_str);
fprintf(fout, " vendor id : %d\n", (int) data.cpu_types[cpu_type_index].vendor);
fprintf(fout, " brand_str : `%s'\n", data.cpu_types[cpu_type_index].brand_str);
if (data.cpu_types[cpu_type_index].architecture == ARCHITECTURE_X86) {
fprintf(fout, " family : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.family, data.cpu_types[cpu_type_index].x86.family);
fprintf(fout, " model : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.model, data.cpu_types[cpu_type_index].x86.model);
fprintf(fout, " stepping : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.stepping, data.cpu_types[cpu_type_index].x86.stepping);
fprintf(fout, " ext_family : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.ext_family, data.cpu_types[cpu_type_index].x86.ext_family);
fprintf(fout, " ext_model : %d (%02Xh)\n", data.cpu_types[cpu_type_index].x86.ext_model, data.cpu_types[cpu_type_index].x86.ext_model);
}
else if (data.cpu_types[cpu_type_index].architecture == ARCHITECTURE_ARM) {
fprintf(fout, " implementer: %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.implementer, data.cpu_types[cpu_type_index].arm.implementer);
fprintf(fout, " variant : %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.variant, data.cpu_types[cpu_type_index].arm.variant);
fprintf(fout, " part_num : %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.part_num, data.cpu_types[cpu_type_index].arm.part_num);
fprintf(fout, " revision : %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.revision, data.cpu_types[cpu_type_index].arm.revision);
}
fprintf(fout, " num_cores : %d\n", data.cpu_types[cpu_type_index].num_cores);
fprintf(fout, " num_logical: %d\n", data.cpu_types[cpu_type_index].num_logical_cpus);
fprintf(fout, " tot_logical: %d\n", data.cpu_types[cpu_type_index].total_logical_cpus);
fprintf(fout, " affi_mask : 0x%s\n", affinity_mask_str(&data.cpu_types[cpu_type_index].affinity_mask));
if (data.cpu_types[cpu_type_index].architecture == ARCHITECTURE_X86) {
fprintf(fout, " L1 D cache : %d KB\n", data.cpu_types[cpu_type_index].l1_data_cache);
fprintf(fout, " L1 I cache : %d KB\n", data.cpu_types[cpu_type_index].l1_instruction_cache);
fprintf(fout, " L2 cache : %d KB\n", data.cpu_types[cpu_type_index].l2_cache);
fprintf(fout, " L3 cache : %d KB\n", data.cpu_types[cpu_type_index].l3_cache);
fprintf(fout, " L4 cache : %d KB\n", data.cpu_types[cpu_type_index].l4_cache);
fprintf(fout, " L1D assoc. : %d-way\n", data.cpu_types[cpu_type_index].l1_data_assoc);
fprintf(fout, " L1I assoc. : %d-way\n", data.cpu_types[cpu_type_index].l1_instruction_assoc);
fprintf(fout, " L2 assoc. : %d-way\n", data.cpu_types[cpu_type_index].l2_assoc);
fprintf(fout, " L3 assoc. : %d-way\n", data.cpu_types[cpu_type_index].l3_assoc);
fprintf(fout, " L4 assoc. : %d-way\n", data.cpu_types[cpu_type_index].l4_assoc);
fprintf(fout, " L1D line sz: %d bytes\n", data.cpu_types[cpu_type_index].l1_data_cacheline);
fprintf(fout, " L1I line sz: %d bytes\n", data.cpu_types[cpu_type_index].l1_instruction_cacheline);
fprintf(fout, " L2 line sz : %d bytes\n", data.cpu_types[cpu_type_index].l2_cacheline);
fprintf(fout, " L3 line sz : %d bytes\n", data.cpu_types[cpu_type_index].l3_cacheline);
fprintf(fout, " L4 line sz : %d bytes\n", data.cpu_types[cpu_type_index].l4_cacheline);
fprintf(fout, " L1D inst. : %d\n", data.cpu_types[cpu_type_index].l1_data_instances);
fprintf(fout, " L1I inst. : %d\n", data.cpu_types[cpu_type_index].l1_instruction_instances);
fprintf(fout, " L2 inst. : %d\n", data.cpu_types[cpu_type_index].l2_instances);
fprintf(fout, " L3 inst. : %d\n", data.cpu_types[cpu_type_index].l3_instances);
fprintf(fout, " L4 inst. : %d\n", data.cpu_types[cpu_type_index].l4_instances);
fprintf(fout, " SSE units : %d bits (%s)\n", data.cpu_types[cpu_type_index].x86.sse_size, data.cpu_types[cpu_type_index].detection_hints[CPU_HINT_SSE_SIZE_AUTH] ? "authoritative" : "non-authoritative");
}
fprintf(fout, " code name : `%s'\n", data.cpu_types[cpu_type_index].cpu_codename);
fprintf(fout, " features :");
/*
* Here we enumerate all CPU feature bits, and when a feature
* is present output its name:
*/
for (i = 0; i < NUM_CPU_FEATURES; i++)
if (data.cpu_types[cpu_type_index].flags[i])
fprintf(fout, " %s", cpu_feature_str(i));
fprintf(fout, "\n");
}
else if (data.cpu_types[cpu_type_index].architecture == ARCHITECTURE_ARM) {
fprintf(fout, " implementer: %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.implementer, data.cpu_types[cpu_type_index].arm.implementer);
fprintf(fout, " variant : %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.variant, data.cpu_types[cpu_type_index].arm.variant);
fprintf(fout, " part_num : %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.part_num, data.cpu_types[cpu_type_index].arm.part_num);
fprintf(fout, " revision : %d (%02Xh)\n", data.cpu_types[cpu_type_index].arm.revision, data.cpu_types[cpu_type_index].arm.revision);
}
fprintf(fout, " num_cores : %d\n", data.cpu_types[cpu_type_index].num_cores);
fprintf(fout, " num_logical: %d\n", data.cpu_types[cpu_type_index].num_logical_cpus);
fprintf(fout, " tot_logical: %d\n", data.cpu_types[cpu_type_index].total_logical_cpus);
fprintf(fout, " affi_mask : 0x%s\n", affinity_mask_str(&data.cpu_types[cpu_type_index].affinity_mask));
if (data.cpu_types[cpu_type_index].architecture == ARCHITECTURE_X86) {
fprintf(fout, " L1 D cache : %d KB\n", data.cpu_types[cpu_type_index].l1_data_cache);
fprintf(fout, " L1 I cache : %d KB\n", data.cpu_types[cpu_type_index].l1_instruction_cache);
fprintf(fout, " L2 cache : %d KB\n", data.cpu_types[cpu_type_index].l2_cache);
fprintf(fout, " L3 cache : %d KB\n", data.cpu_types[cpu_type_index].l3_cache);
fprintf(fout, " L4 cache : %d KB\n", data.cpu_types[cpu_type_index].l4_cache);
fprintf(fout, " L1D assoc. : %d-way\n", data.cpu_types[cpu_type_index].l1_data_assoc);
fprintf(fout, " L1I assoc. : %d-way\n", data.cpu_types[cpu_type_index].l1_instruction_assoc);
fprintf(fout, " L2 assoc. : %d-way\n", data.cpu_types[cpu_type_index].l2_assoc);
fprintf(fout, " L3 assoc. : %d-way\n", data.cpu_types[cpu_type_index].l3_assoc);
fprintf(fout, " L4 assoc. : %d-way\n", data.cpu_types[cpu_type_index].l4_assoc);
fprintf(fout, " L1D line sz: %d bytes\n", data.cpu_types[cpu_type_index].l1_data_cacheline);
fprintf(fout, " L1I line sz: %d bytes\n", data.cpu_types[cpu_type_index].l1_instruction_cacheline);
fprintf(fout, " L2 line sz : %d bytes\n", data.cpu_types[cpu_type_index].l2_cacheline);
fprintf(fout, " L3 line sz : %d bytes\n", data.cpu_types[cpu_type_index].l3_cacheline);
fprintf(fout, " L4 line sz : %d bytes\n", data.cpu_types[cpu_type_index].l4_cacheline);
fprintf(fout, " L1D inst. : %d\n", data.cpu_types[cpu_type_index].l1_data_instances);
fprintf(fout, " L1I inst. : %d\n", data.cpu_types[cpu_type_index].l1_instruction_instances);
fprintf(fout, " L2 inst. : %d\n", data.cpu_types[cpu_type_index].l2_instances);
fprintf(fout, " L3 inst. : %d\n", data.cpu_types[cpu_type_index].l3_instances);
fprintf(fout, " L4 inst. : %d\n", data.cpu_types[cpu_type_index].l4_instances);
fprintf(fout, " SSE units : %d bits (%s)\n", data.cpu_types[cpu_type_index].x86.sse_size, data.cpu_types[cpu_type_index].detection_hints[CPU_HINT_SSE_SIZE_AUTH] ? "authoritative" : "non-authoritative");
}
fprintf(fout, " code name : `%s'\n", data.cpu_types[cpu_type_index].cpu_codename);
fprintf(fout, " features :");
/*
* Here we enumerate all CPU feature bits, and when a feature
* is present output its name:
*/
for (i = 0; i < NUM_CPU_FEATURES; i++)
if (data.cpu_types[cpu_type_index].flags[i])
fprintf(fout, " %s", cpu_feature_str(i));
fprintf(fout, "\n");
}
/* Is CPU clock info requested? */