Continue to update generic data in paused mode

Generic data, as CPU and memory usage, are used by Meters.
In paused mode they would stop receiving updates and especially Graph
Meters would stop showing continuous data.

Improves: #214
Closes: #253

ProcessList.c

@@ -281,7 +281,13 @@ Process* ProcessList_getProcess(ProcessList* this, pid_t pid, bool* preExisting,
    return proc;
 }
 
-void ProcessList_scan(ProcessList* this) {
+void ProcessList_scan(ProcessList* this, bool pauseProcessUpdate) {
+
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate) {
+      ProcessList_goThroughEntries(this, true);
+      return;
+   }
 
    // mark all process as "dirty"
    for (int i = 0; i < Vector_size(this->processes); i++) {
@@ -295,7 +301,7 @@ void ProcessList_scan(ProcessList* this) {
    this->kernelThreads = 0;
    this->runningTasks = 0;
 
-   ProcessList_goThroughEntries(this);
+   ProcessList_goThroughEntries(this, false);
 
    for (int i = Vector_size(this->processes) - 1; i >= 0; i--) {
       Process* p = (Process*) Vector_get(this->processes, i);

ProcessList.h

@@ -74,7 +74,7 @@ typedef struct ProcessList_ {
 
 ProcessList* ProcessList_new(UsersTable* ut, Hashtable* pidMatchList, uid_t userId);
 void ProcessList_delete(ProcessList* pl);
-void ProcessList_goThroughEntries(ProcessList* pl);
+void ProcessList_goThroughEntries(ProcessList* pl, bool pauseProcessUpdate);
 
 
 ProcessList* ProcessList_init(ProcessList* this, const ObjectClass* klass, UsersTable* usersTable, Hashtable* pidMatchList, uid_t userId);
@@ -103,6 +103,6 @@ void ProcessList_rebuildPanel(ProcessList* this);
 
 Process* ProcessList_getProcess(ProcessList* this, pid_t pid, bool* preExisting, Process_New constructor);
 
-void ProcessList_scan(ProcessList* this);
+void ProcessList_scan(ProcessList* this, bool pauseProcessUpdate);
 
 #endif

ScreenManager.c

@@ -105,9 +105,9 @@ static void checkRecalculation(ScreenManager* this, double* oldTime, int* sortTi
    *timedOut = (newTime - *oldTime > this->settings->delay);
    *rescan = *rescan || *timedOut;
    if (newTime < *oldTime) *rescan = true; // clock was adjusted?
-   if (*rescan && !this->state->pauseProcessUpdate) {
+   if (*rescan) {
       *oldTime = newTime;
-      ProcessList_scan(pl);
+      ProcessList_scan(pl, this->state->pauseProcessUpdate);
       if (*sortTimeout == 0 || this->settings->treeView) {
          ProcessList_sort(pl);
          *sortTimeout = 1;

darwin/DarwinProcessList.c

@@ -144,7 +144,7 @@ void ProcessList_delete(ProcessList* this) {
    free(this);
 }
 
-void ProcessList_goThroughEntries(ProcessList* super) {
+void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
     DarwinProcessList *dpl = (DarwinProcessList *)super;
 	bool preExisting = true;
 	struct kinfo_proc *ps;
@@ -158,6 +158,10 @@ void ProcessList_goThroughEntries(ProcessList* super) {
     ProcessList_getVMStats(&dpl->vm_stats);
     openzfs_sysctl_updateArcStats(&dpl->zfs);
 
+    // in pause mode only gather global data for meters (CPU/memory/...)
+    if (pauseProcessUpdate)
+       return;
+
     /* Get the time difference */
     dpl->global_diff = 0;
     for(int i = 0; i < dpl->super.cpuCount; ++i) {

darwin/DarwinProcessList.h

@@ -51,6 +51,6 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, ui
 
 void ProcessList_delete(ProcessList* this);
 
-void ProcessList_goThroughEntries(ProcessList* super);
+void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate);
 
 #endif

dragonflybsd/DragonFlyBSDProcessList.c

@@ -358,7 +358,7 @@ char* DragonFlyBSDProcessList_readJailName(DragonFlyBSDProcessList* dfpl, int ja
    return jname;
 }
 
-void ProcessList_goThroughEntries(ProcessList* this) {
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate) {
    DragonFlyBSDProcessList* dfpl = (DragonFlyBSDProcessList*) this;
    Settings* settings = this->settings;
    bool hideKernelThreads = settings->hideKernelThreads;
@@ -368,6 +368,10 @@ void ProcessList_goThroughEntries(ProcessList* this) {
    DragonFlyBSDProcessList_scanCPUTime(this);
    DragonFlyBSDProcessList_scanJails(dfpl);
 
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate)
+      return;
+
    int count = 0;
 
    // TODO Kernel Threads seem to be skipped, need to figure out the correct flag

dragonflybsd/DragonFlyBSDProcessList.h

@@ -59,6 +59,6 @@ char* DragonFlyBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kpro
 
 char* DragonFlyBSDProcessList_readJailName(DragonFlyBSDProcessList* dfpl, int jailid);
 
-void ProcessList_goThroughEntries(ProcessList* this);
+void ProcessList_goThroughEntries(ProcessList* this, pauseProcessUpdate);
 
 #endif

freebsd/FreeBSDProcessList.c

@@ -379,7 +379,7 @@ IGNORE_WCASTQUAL_END
    return jname;
 }
 
-void ProcessList_goThroughEntries(ProcessList* this) {
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate) {
    FreeBSDProcessList* fpl = (FreeBSDProcessList*) this;
    Settings* settings = this->settings;
    bool hideKernelThreads = settings->hideKernelThreads;
@@ -389,6 +389,10 @@ void ProcessList_goThroughEntries(ProcessList* this) {
    FreeBSDProcessList_scanMemoryInfo(this);
    FreeBSDProcessList_scanCPUTime(this);
 
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate)
+      return;
+
    int count = 0;
    struct kinfo_proc* kprocs = kvm_getprocs(fpl->kd, KERN_PROC_PROC, 0, &count);
 

freebsd/FreeBSDProcessList.h

@@ -62,6 +62,6 @@ char* FreeBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kproc, in
 
 char* FreeBSDProcessList_readJailName(struct kinfo_proc* kproc);
 
-void ProcessList_goThroughEntries(ProcessList* this);
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate);
 
 #endif

htop.c

@@ -303,9 +303,9 @@ int main(int argc, char** argv) {
    ScreenManager* scr = ScreenManager_new(0, header->height, 0, -1, HORIZONTAL, header, settings, &state, true);
    ScreenManager_add(scr, (Panel*) panel, -1);
 
-   ProcessList_scan(pl);
+   ProcessList_scan(pl, false);
    millisleep(75);
-   ProcessList_scan(pl);
+   ProcessList_scan(pl, false);
 
    ScreenManager_run(scr, NULL, NULL);
 

linux/LinuxProcessList.c

@@ -1382,7 +1382,7 @@ static void LinuxProcessList_scanCPUFrequency(LinuxProcessList* this) {
    scanCPUFreqencyFromCPUinfo(this);
 }
 
-void ProcessList_goThroughEntries(ProcessList* super) {
+void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
    LinuxProcessList* this = (LinuxProcessList*) super;
    const Settings* settings = super->settings;
 
@@ -1396,6 +1396,10 @@ void ProcessList_goThroughEntries(ProcessList* super) {
    if (settings->showCPUFrequency)
       LinuxProcessList_scanCPUFrequency(this);
 
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate)
+      return;
+
    struct timeval tv;
    gettimeofday(&tv, NULL);
    LinuxProcessList_recurseProcTree(this, PROCDIR, NULL, period, tv);

linux/LinuxProcessList.h

@@ -101,6 +101,6 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, ui
 
 void ProcessList_delete(ProcessList* pl);
 
-void ProcessList_goThroughEntries(ProcessList* super);
+void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate);
 
 #endif

openbsd/OpenBSDProcessList.c

@@ -340,10 +340,15 @@ static void OpenBSDProcessList_scanCPUTime(OpenBSDProcessList* this) {
    kernelCPUTimesToHtop(avg, this->cpus);
 }
 
-void ProcessList_goThroughEntries(ProcessList* this) {
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate) {
    OpenBSDProcessList* opl = (OpenBSDProcessList*) this;
 
    OpenBSDProcessList_scanMemoryInfo(this);
-   OpenBSDProcessList_scanProcs(opl);
    OpenBSDProcessList_scanCPUTime(opl);
+
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate)
+      return;
+
+   OpenBSDProcessList_scanProcs(opl);
 }

openbsd/OpenBSDProcessList.h

@@ -45,6 +45,6 @@ void ProcessList_delete(ProcessList* this);
 
 char *OpenBSDProcessList_readProcessName(kvm_t* kd, struct kinfo_proc* kproc, int* basenameEnd);
 
-void ProcessList_goThroughEntries(ProcessList* this);
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate);
 
 #endif

solaris/SolarisProcessList.c

@@ -374,10 +374,15 @@ int SolarisProcessList_walkproc(psinfo_t *_psinfo, lwpsinfo_t *_lwpsinfo, void *
    return 0;
 }
 
-void ProcessList_goThroughEntries(ProcessList* this) {
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate) {
    SolarisProcessList_scanCPUTime(this);
    SolarisProcessList_scanMemoryInfo(this);
    SolarisProcessList_scanZfsArcstats(this);
+
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate)
+      return;
+
    this->kernelThreads = 1;
    proc_walk(&SolarisProcessList_walkproc, this, PR_WALK_LWP);
 }

solaris/SolarisProcessList.h

@@ -60,6 +60,6 @@ void ProcessList_delete(ProcessList* pl);
 
 int SolarisProcessList_walkproc(psinfo_t *_psinfo, lwpsinfo_t *_lwpsinfo, void *listptr);
 
-void ProcessList_goThroughEntries(ProcessList* this);
+void ProcessList_goThroughEntries(ProcessList* this, bool pauseProcessUpdate);
 
 #endif

unsupported/UnsupportedProcessList.c

@@ -24,8 +24,13 @@ void ProcessList_delete(ProcessList* this) {
    free(this);
 }
 
-void ProcessList_goThroughEntries(ProcessList* super) {
+void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate) {
-	bool preExisting = true;
+
+   // in pause mode only gather global data for meters (CPU/memory/...)
+   if (pauseProcessUpdate)
+      return;
+
+    bool preExisting = true;
     Process *proc;
 
     proc = ProcessList_getProcess(super, 1, &preExisting, UnsupportedProcess_new);

unsupported/UnsupportedProcessList.h

@@ -11,6 +11,6 @@ ProcessList* ProcessList_new(UsersTable* usersTable, Hashtable* pidMatchList, ui
 
 void ProcessList_delete(ProcessList* this);
 
-void ProcessList_goThroughEntries(ProcessList* super);
+void ProcessList_goThroughEntries(ProcessList* super, bool pauseProcessUpdate);
 
 #endif