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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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49
src/common/udev.c
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@@ -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);
}