[v1.00][X86] Show unknown string when the number of cores cannot be retrieved (like #119)

This commit is contained in:
Dr-Noob
2021-11-01 13:07:48 +01:00
parent bb12a2c276
commit 6981d61eaf
7 changed files with 34 additions and 25 deletions

View File

@@ -45,7 +45,7 @@ struct cache* get_cache_info(struct cpuInfo* cpu) {
struct frequency* get_frequency_info(uint32_t core) {
struct frequency* freq = emalloc(sizeof(struct frequency));
freq->base = UNKNOWN_FREQ;
freq->base = UNKNOWN_DATA;
freq->max = get_max_freq_from_file(core);
return freq;
@@ -81,7 +81,7 @@ int64_t get_peak_performance(struct cpuInfo* cpu) {
//First check we have consistent data
for(int i=0; i < cpu->num_cpus; ptr = ptr->next_cpu, i++) {
if(get_freq(ptr->freq) == UNKNOWN_FREQ) {
if(get_freq(ptr->freq) == UNKNOWN_DATA) {
return -1;
}
}
@@ -204,7 +204,7 @@ struct cpuInfo* get_cpu_info_linux(struct cpuInfo* cpu) {
}
freq_array[i] = get_max_freq_from_file(i);
if(freq_array[i] == UNKNOWN_FREQ) {
if(freq_array[i] == UNKNOWN_DATA) {
printWarn("Unable to fetch max frequency for core %d. This is probably because the core is offline", i);
freq_array[i] = freq_array[0];
}
@@ -256,7 +256,7 @@ void fill_cpu_info_firestorm_icestorm(struct cpuInfo* cpu) {
ice->topo->cach = ice->cach;
ice->topo->total_cores = 4;
ice->freq = malloc(sizeof(struct frequency));
ice->freq->base = UNKNOWN_FREQ;
ice->freq->base = UNKNOWN_DATA;
ice->freq->max = 2064;
ice->hv = malloc(sizeof(struct hypervisor));
ice->hv->present = false;
@@ -272,7 +272,7 @@ void fill_cpu_info_firestorm_icestorm(struct cpuInfo* cpu) {
fire->topo->cach = fire->cach;
fire->topo->total_cores = 4;
fire->freq = malloc(sizeof(struct frequency));
fire->freq->base = UNKNOWN_FREQ;
fire->freq->base = UNKNOWN_DATA;
fire->freq->max = 3200;
fire->hv = malloc(sizeof(struct hypervisor));
fire->hv->present = false;
@@ -368,7 +368,7 @@ void print_debug(struct cpuInfo* cpu) {
else {
printf("0x%.8X ", midr);
}
if(freq == UNKNOWN_FREQ) {
if(freq == UNKNOWN_DATA) {
printWarn("Unable to fetch max frequency for core %d. This is probably because the core is offline", i);
printf("%ld MHz\n", get_max_freq_from_file(0));
}

View File

@@ -150,7 +150,7 @@ char* get_str_freq(struct frequency* freq) {
char* string = emalloc(sizeof(char)*size);
memset(string, 0, sizeof(char)*size);
if(freq->max == UNKNOWN_FREQ || freq->max < 0)
if(freq->max == UNKNOWN_DATA || freq->max < 0)
snprintf(string,strlen(STRING_UNKNOWN)+1,STRING_UNKNOWN);
else if(freq->max >= 1000)
snprintf(string,size,"%.3f "STRING_GIGAHERZ,(float)(freq->max)/1000);

View File

@@ -34,7 +34,7 @@ enum {
HV_VENDOR_INVALID
};
#define UNKNOWN_FREQ -1
#define UNKNOWN_DATA -1
#define CPU_NAME_MAX_LENGTH 64
typedef int32_t VENDOR;
@@ -71,8 +71,8 @@ struct topology {
int32_t total_cores;
struct cache* cach;
#if defined(ARCH_X86) || defined(ARCH_PPC)
uint32_t physical_cores;
uint32_t logical_cores;
int32_t physical_cores;
int32_t logical_cores;
uint32_t sockets;
uint32_t smt_supported; // Number of SMT that CPU supports (equal to smt_available if SMT is enabled)
#ifdef ARCH_X86

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@@ -33,7 +33,7 @@ long get_freq_from_file(char* path) {
char* buf;
if((buf = read_file(path, &filelen)) == NULL) {
printWarn("Could not open '%s'", path);
return UNKNOWN_FREQ;
return UNKNOWN_DATA;
}
char* end;
@@ -42,7 +42,7 @@ long get_freq_from_file(char* path) {
if(errno != 0) {
printBug("strtol: %s", strerror(errno));
free(buf);
return UNKNOWN_FREQ;
return UNKNOWN_DATA;
}
// We will be getting the frequency in KHz
@@ -50,7 +50,7 @@ long get_freq_from_file(char* path) {
// greater than 10 GHz or less than 100 MHz
if(ret > 10000 * 1000 || ret < 100 * 1000) {
printBug("Invalid data was read from file '%s': %ld\n", path, ret);
return UNKNOWN_FREQ;
return UNKNOWN_DATA;
}
free(buf);

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@@ -139,7 +139,7 @@ int64_t get_peak_performance(struct cpuInfo* cpu, struct topology* topo, int64_t
*/
//First check we have consistent data
if(freq == UNKNOWN_FREQ) {
if(freq == UNKNOWN_DATA) {
return -1;
}

View File

@@ -324,7 +324,7 @@ bool fill_apic_ids(uint32_t* apic_ids, int n, bool x2apic_id) {
for(int i=0; i < n; i++) {
if(!bind_to_cpu(i)) {
printErr("Failed binding to CPU %d", i);
printErr("Failed binding the process to CPU %d", i);
return false;
}
apic_ids[i] = get_apic_id(x2apic_id);
@@ -385,8 +385,13 @@ bool get_topology_from_apic(struct cpuInfo* cpu, struct topology* topo) {
get_cache_topology_from_apic(topo);
if(!fill_apic_ids(apic_ids, topo->total_cores, x2apic_id))
if(!fill_apic_ids(apic_ids, topo->total_cores, x2apic_id)) {
topo->logical_cores = UNKNOWN_DATA;
topo->physical_cores = UNKNOWN_DATA;
topo->smt_available = 1;
topo->smt_supported = 1;
return false;
}
for(int i=0; i < topo->total_cores; i++) {
apic_id = apic_ids[i];

View File

@@ -203,7 +203,7 @@ int64_t get_peak_performance(struct cpuInfo* cpu, struct topology* topo, int64_t
#endif
//First, check we have consistent data
if(freq == UNKNOWN_FREQ) {
if(freq == UNKNOWN_DATA || topo->logical_cores == UNKNOWN_DATA) {
return -1;
}
@@ -710,16 +710,16 @@ struct frequency* get_frequency_info(struct cpuInfo* cpu) {
if(cpu->maxLevels < 0x00000016) {
#if defined (_WIN32) || defined (__APPLE__)
printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X)", 0x00000016, cpu->maxLevels);
freq->base = UNKNOWN_FREQ;
freq->max = UNKNOWN_FREQ;
freq->base = UNKNOWN_DATA;
freq->max = UNKNOWN_DATA;
#else
printWarn("Can't read frequency information from cpuid (needed level is 0x%.8X, max is 0x%.8X). Using udev", 0x00000016, cpu->maxLevels);
freq->base = UNKNOWN_FREQ;
freq->base = UNKNOWN_DATA;
freq->max = get_max_freq_from_file(0);
if(freq->max == 0) {
printWarn("Read max CPU frequency from udev and got 0 MHz");
freq->max = UNKNOWN_FREQ;
freq->max = UNKNOWN_DATA;
}
#endif
}
@@ -736,7 +736,7 @@ struct frequency* get_frequency_info(struct cpuInfo* cpu) {
if(freq->base == 0) {
printWarn("Read base CPU frequency from CPUID and got 0 MHz");
freq->base = UNKNOWN_FREQ;
freq->base = UNKNOWN_DATA;
}
if(freq->max == 0) {
printWarn("Read max CPU frequency from CPUID and got 0 MHz");
@@ -746,10 +746,10 @@ struct frequency* get_frequency_info(struct cpuInfo* cpu) {
if(freq->max == 0) {
printWarn("Read max CPU frequency from udev and got 0 MHz");
freq->max = UNKNOWN_FREQ;
freq->max = UNKNOWN_DATA;
}
#else
freq->max = UNKNOWN_FREQ;
freq->max = UNKNOWN_DATA;
#endif
}
}
@@ -771,7 +771,11 @@ char* get_str_topology(struct cpuInfo* cpu, struct topology* topo, bool dual_soc
int topo_sockets = dual_socket ? topo->sockets : 1;
char* string;
if(topo->smt_supported > 1) {
if(topo->logical_cores == UNKNOWN_DATA) {
string = emalloc(sizeof(char) * (strlen(STRING_UNKNOWN) + 1));
strcpy(string, STRING_UNKNOWN);
}
else if(topo->smt_supported > 1) {
// 4 for digits, 21 for ' cores (SMT disabled)' which is the longest possible output
uint32_t max_size = 4+21+1;
string = emalloc(sizeof(char) * max_size);