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htop
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Merge branch 'master' into freebsd

This commit is contained in:
Hisham Muhammad 2014-11-27 16:32:32 -02:00
parent 8915b29395 ff4d1b466f
commit 8a2e235a48
1 changed files with 42 additions and 33 deletions
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75
linux/LinuxProcessList.c
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@ -571,55 +571,56 @@ static bool LinuxProcessList_processEntries(ProcessList* this, const char* dirna
return true;
}
void ProcessList_scan(ProcessList* this) {
unsigned long long int usertime, nicetime, systemtime, idletime;
static inline void LinuxProcessList_scanMemoryInfo(ProcessList* this) {
unsigned long long int swapFree = 0;
FILE* file = fopen(PROCMEMINFOFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCMEMINFOFILE);
}
int cpus = this->cpuCount;
assert(cpus > 0);
{
char buffer[128];
while (fgets(buffer, 128, file)) {
switch (buffer[0]) {
case 'M':
if (String_startsWith(buffer, "MemTotal:"))
sscanf(buffer, "MemTotal: %32llu kB", &this->totalMem);
else if (String_startsWith(buffer, "MemFree:"))
sscanf(buffer, "MemFree: %32llu kB", &this->freeMem);
else if (String_startsWith(buffer, "MemShared:"))
sscanf(buffer, "MemShared: %32llu kB", &this->sharedMem);
break;
case 'B':
if (String_startsWith(buffer, "Buffers:"))
sscanf(buffer, "Buffers: %32llu kB", &this->buffersMem);
break;
case 'C':
if (String_startsWith(buffer, "Cached:"))
sscanf(buffer, "Cached: %32llu kB", &this->cachedMem);
break;
case 'S':
if (String_startsWith(buffer, "SwapTotal:"))
sscanf(buffer, "SwapTotal: %32llu kB", &this->totalSwap);
if (String_startsWith(buffer, "SwapFree:"))
sscanf(buffer, "SwapFree: %32llu kB", &swapFree);
break;
}
char buffer[128];
while (fgets(buffer, 128, file)) {
switch (buffer[0]) {
case 'M':
if (String_startsWith(buffer, "MemTotal:"))
sscanf(buffer, "MemTotal: %32llu kB", &this->totalMem);
else if (String_startsWith(buffer, "MemFree:"))
sscanf(buffer, "MemFree: %32llu kB", &this->freeMem);
else if (String_startsWith(buffer, "MemShared:"))
sscanf(buffer, "MemShared: %32llu kB", &this->sharedMem);
break;
case 'B':
if (String_startsWith(buffer, "Buffers:"))
sscanf(buffer, "Buffers: %32llu kB", &this->buffersMem);
break;
case 'C':
if (String_startsWith(buffer, "Cached:"))
sscanf(buffer, "Cached: %32llu kB", &this->cachedMem);
break;
case 'S':
if (String_startsWith(buffer, "SwapTotal:"))
sscanf(buffer, "SwapTotal: %32llu kB", &this->totalSwap);
if (String_startsWith(buffer, "SwapFree:"))
sscanf(buffer, "SwapFree: %32llu kB", &swapFree);
break;
}
}
this->usedMem = this->totalMem - this->freeMem;
this->usedSwap = this->totalSwap - swapFree;
fclose(file);
}
file = fopen(PROCSTATFILE, "r");
static inline double LinuxProcessList_scanCPUTime(ProcessList* this) {
unsigned long long int usertime, nicetime, systemtime, idletime;
FILE* file = fopen(PROCSTATFILE, "r");
if (file == NULL) {
CRT_fatalError("Cannot open " PROCSTATFILE);
}
int cpus = this->cpuCount;
assert(cpus > 0);
for (int i = 0; i <= cpus; i++) {
char buffer[256];
int cpuid;
@ -684,6 +685,14 @@ void ProcessList_scan(ProcessList* this) {
cpuData->totalTime = totaltime;
}
double period = (double)this->cpus[0].totalPeriod / cpus; fclose(file);
return period;
}
void ProcessList_scan(ProcessList* this) {
LinuxProcessList_scanMemoryInfo(this);
double period = LinuxProcessList_scanCPUTime(this);
// mark all process as "dirty"
for (int i = 0; i < Vector_size(this->processes); i++) {