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[v1.03][PPC] Fix bug where /sys/devices/system/cpu/cpu*/topology/physical_package_id contains -1 by adding a new way of finding the number of sockets. This happened in #178 and most probably in #153 too

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Dr-Noob
2023-05-03 17:51:44 +02:00
parent 8c72295f47
commit ebe7312c9d
5 changed files with 145 additions and 33 deletions
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25
src/ppc/udev.c
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@@ -1,16 +1,18 @@
#include <errno.h>
#include "../common/udev.h"
#include "../common/global.h"
#include "udev.h"
#define _PATH_TOPO_CORE_ID "topology/core_id"
#define _PATH_TOPO_PACKAGE_ID "topology/physical_package_id"
#define _PATH_TOPO_CORE_ID "topology/core_id"
#define _PATH_TOPO_PACKAGE_ID "topology/physical_package_id"
bool fill_array_from_sys(int *core_ids, int total_cores, char* SYS_PATH) {
int filelen;
char* buf;
char* end;
char path[128];
memset(path, 0, 128);
for(int i=0; i < total_cores; i++) {
sprintf(path, "%s%s/cpu%d/%s", _PATH_SYS_SYSTEM, _PATH_SYS_CPU, i, SYS_PATH);
@@ -36,5 +38,22 @@ bool fill_core_ids_from_sys(int *core_ids, int total_cores) {
}
bool fill_package_ids_from_sys(int* package_ids, int total_cores) {
return fill_array_from_sys(package_ids, total_cores, _PATH_TOPO_PACKAGE_ID);
bool status = fill_array_from_sys(package_ids, total_cores, _PATH_TOPO_PACKAGE_ID);
if(status) {
// fill_array_from_sys completed successfully, but we
// must to check the integrity of the package_ids array
for(int i=0; i < total_cores; i++) {
if(package_ids[i] == -1) {
printWarn("fill_package_ids_from_sys: package_ids[%d] = -1", i);
return false;
}
else if(package_ids[i] >= total_cores || package_ids[i] < 0) {
printBug("fill_package_ids_from_sys: package_ids[%d] = %d", i, package_ids[i]);
return false;
}
}
return true;
}
return false;
}