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[v0.98][PPC] Add cache detection using udev and use it for ppc

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Dr-Noob
2021-07-31 18:26:47 +02:00
parent 4d1d14d2a7
commit 2180fb1c26
4 changed files with 87 additions and 5 deletions
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6
src/common/printer.c
View File

@@ -578,11 +578,10 @@ bool print_cpufetch_ppc(struct cpuInfo* cpu, STYLE s, struct colors* cs) {
char* cpu_name = get_str_cpu_name(cpu);
char* altivec = get_str_altivec(cpu);
/*
char* l1i = get_str_l1i(cpu->cach);
char* l1d = get_str_l1d(cpu->cach);
char* l2 = get_str_l2(cpu->cach);
char* l3 = get_str_l3(cpu->cach);*/
char* l3 = get_str_l3(cpu->cach);
char* pp = get_str_peak_performance(cpu,cpu->topo,get_freq(cpu->freq));
setAttribute(art,ATTRIBUTE_NAME,cpu_name);
@@ -603,13 +602,12 @@ bool print_cpufetch_ppc(struct cpuInfo* cpu, STYLE s, struct colors* cs) {
setAttribute(art,ATTRIBUTE_NCORES, n_cores);
}
setAttribute(art,ATTRIBUTE_ALTIVEC, altivec);
/*
setAttribute(art,ATTRIBUTE_L1i,l1i);
setAttribute(art,ATTRIBUTE_L1d,l1d);
setAttribute(art,ATTRIBUTE_L2,l2);
if(l3 != NULL) {
setAttribute(art,ATTRIBUTE_L3,l3);
}*/
}
setAttribute(art,ATTRIBUTE_PEAK,pp);
if(art->n_attributes_set > NUMBER_OF_LINES) {

49
src/common/udev.c
View File

@@ -63,6 +63,31 @@ long get_freq_from_file(char* path, bool hv_present) {
return ret/1000;
}
long get_cache_size_from_file(char* path) {
int filelen;
char* buf;
if((buf = read_file(path, &filelen)) == NULL) {
printWarn("Could not open '%s'", path);
return -1;
}
buf[filelen] = '\0'; // remove the K at the end
char* end;
errno = 0;
long ret = strtol(buf, &end, 10);
if(errno != 0) {
perror("strtol");
printBug("Failed parsing '%s' file. Read data was: '%s'", path, buf);
free(buf);
return -1;
}
free(buf);
return ret * 1024;
}
long get_max_freq_from_file(uint32_t core, bool hv_present) {
char path[_PATH_FREQUENCY_MAX_LEN];
sprintf(path, "%s%s/cpu%d%s%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, core, _PATH_FREQUENCY, _PATH_FREQUENCY_MAX);
@@ -74,3 +99,27 @@ long get_min_freq_from_file(uint32_t core, bool hv_present) {
sprintf(path, "%s%s/cpu%d%s%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, core, _PATH_FREQUENCY, _PATH_FREQUENCY_MIN);
return get_freq_from_file(path, hv_present);
}
long get_l1i_cache_size(uint32_t core) {
char path[_PATH_CACHE_MAX_LEN];
sprintf(path, "%s%s/cpu%d%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, core, _PATH_CACHE_L1I);
return get_cache_size_from_file(path);
}
long get_l1d_cache_size(uint32_t core) {
char path[_PATH_CACHE_MAX_LEN];
sprintf(path, "%s%s/cpu%d%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, core, _PATH_CACHE_L1D);
return get_cache_size_from_file(path);
}
long get_l2_cache_size(uint32_t core) {
char path[_PATH_CACHE_MAX_LEN];
sprintf(path, "%s%s/cpu%d%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, core, _PATH_CACHE_L2);
return get_cache_size_from_file(path);
}
long get_l3_cache_size(uint32_t core) {
char path[_PATH_CACHE_MAX_LEN];
sprintf(path, "%s%s/cpu%d%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, core, _PATH_CACHE_L3);
return get_cache_size_from_file(path);
}

9
src/common/udev.h
View File

@@ -17,12 +17,21 @@
#define _PATH_FREQUENCY "/cpufreq"
#define _PATH_FREQUENCY_MAX "/cpuinfo_max_freq"
#define _PATH_FREQUENCY_MIN "/cpuinfo_min_freq"
#define _PATH_CACHE_L1D "/cache/index0/size"
#define _PATH_CACHE_L1I "/cache/index1/size"
#define _PATH_CACHE_L2 "/cache/index2/size"
#define _PATH_CACHE_L3 "/cache/index3/size"
#define _PATH_FREQUENCY_MAX_LEN 100
#define _PATH_CACHE_MAX_LEN 200
#define DEFAULT_FILE_SIZE 4096
char* read_file(char* path, int* len);
long get_max_freq_from_file(uint32_t core, bool hv_present);
long get_min_freq_from_file(uint32_t core, bool hv_present);
long get_l1i_cache_size(uint32_t core);
long get_l1d_cache_size(uint32_t core);
long get_l2_cache_size(uint32_t core);
long get_l3_cache_size(uint32_t core);
#endif