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Zram Meter feature

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This commit is contained in:
Murloc Knight
2020-09-22 18:54:15 +07:00
committed by cgzones
parent 43d274a617
commit ab17ef4dc0
10 changed files with 166 additions and 1 deletions
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50
linux/LinuxProcessList.c
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@ -1148,6 +1148,54 @@ static inline void LinuxProcessList_scanMemoryInfo(ProcessList* this) {
fclose(file);
}
static inline void LinuxProcessList_scanZramInfo(LinuxProcessList* this) {
unsigned long long int totalZram = 0;
unsigned long long int usedZramComp = 0;
unsigned long long int usedZramOrig = 0;
char mm_stat[34];
char disksize[34];
unsigned int i = 0;
for(;;) {
xSnprintf(mm_stat, sizeof(mm_stat), "/sys/block/zram%u/mm_stat", i);
xSnprintf(disksize, sizeof(disksize), "/sys/block/zram%u/disksize", i);
i++;
FILE* disksize_file = fopen(disksize, "r");
FILE* mm_stat_file = fopen(mm_stat, "r");
if (disksize_file == NULL || mm_stat_file == NULL) {
if (disksize_file) {
fclose(disksize_file);
}
if (mm_stat_file) {
fclose(mm_stat_file);
}
break;
}
unsigned long long int size = 0;
unsigned long long int orig_data_size = 0;
unsigned long long int compr_data_size = 0;
if (!fscanf(disksize_file, "%llu\n", &size) ||
!fscanf(mm_stat_file, " %llu %llu", &orig_data_size, &compr_data_size)) {
fclose(disksize_file);
fclose(mm_stat_file);
break;
}
totalZram += size;
usedZramComp += compr_data_size;
usedZramOrig += orig_data_size;
fclose(disksize_file);
fclose(mm_stat_file);
}
this->zram.totalZram = totalZram / 1024;
this->zram.usedZramComp = usedZramComp / 1024;
this->zram.usedZramOrig = usedZramOrig / 1024;
}
static inline void LinuxProcessList_scanZfsArcstats(LinuxProcessList* lpl) {
unsigned long long int dbufSize = 0;
unsigned long long int dnodeSize = 0;
@ -1376,8 +1424,8 @@ void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
LinuxProcessList_scanMemoryInfo(super);
LinuxProcessList_scanZfsArcstats(this);
LinuxProcessList_updateCPUcount(this);
LinuxProcessList_scanZramInfo(this);
double period = LinuxProcessList_scanCPUTime(this);