add support for steal/guest CPU time measurement

simplify processor data accounting (add CPUData structure)
remove Process_clone trick

13 files changed, 270 insertions, 241 deletions

diff --git a/AvailableMetersPanel.c b/AvailableMetersPanel.c
index 0645eba2..cfed46e6 100644
--- a/AvailableMetersPanel.c
+++ b/AvailableMetersPanel.c
@@ -91,10 +91,10 @@ AvailableMetersPanel* AvailableMetersPanel_new(Settings* settings, Panel* leftMe
       }
    }
    MeterType* type = &CPUMeter;
-   int processors = settings->pl->processorCount;
-   if (processors > 1) {
+   int cpus = settings->pl->cpuCount;
+   if (cpus > 1) {
       Panel_add(super, (Object*) ListItem_new("CPU average", 0));
-      for (int i = 1; i <= processors; i++) {
+      for (int i = 1; i <= cpus; i++) {
          char buffer[50];
          sprintf(buffer, "%s %d", type->uiName, i);
          Panel_add(super, (Object*) ListItem_new(buffer, i));
diff --git a/CPUMeter.c b/CPUMeter.c
index 43d2cfad..bed6266c 100644
--- a/CPUMeter.c
+++ b/CPUMeter.c
@@ -19,7 +19,7 @@ in the source distribution for its full text.
 #include <assert.h>
 
 int CPUMeter_attributes[] = {
-   CPU_NICE, CPU_NORMAL, CPU_KERNEL, CPU_IRQ, CPU_SOFTIRQ, CPU_IOWAIT
+   CPU_NICE, CPU_NORMAL, CPU_KERNEL, CPU_IRQ, CPU_SOFTIRQ, CPU_IOWAIT, CPU_STEAL, CPU_GUEST
 };
 
 #ifndef MIN
@@ -30,10 +30,10 @@ int CPUMeter_attributes[] = {
 #endif
 
 static void CPUMeter_init(Meter* this) {
-   int processor = this->param;
-   if (this->pl->processorCount > 1) {
+   int cpu = this->param;
+   if (this->pl->cpuCount > 1) {
       char caption[10];
-      sprintf(caption, "%-3d", processor);
+      sprintf(caption, "%-3d", cpu);
       Meter_setCaption(this, caption);
    }
    if (this->param == 0)
@@ -42,37 +42,41 @@ static void CPUMeter_init(Meter* this) {
 
 static void CPUMeter_setValues(Meter* this, char* buffer, int size) {
    ProcessList* pl = this->pl;
-   int processor = this->param;
-   if (processor > this->pl->processorCount) {
+   int cpu = this->param;
+   if (cpu > this->pl->cpuCount) {
       snprintf(buffer, size, "absent");
       return;
    }
-   double total = (double) (pl->totalPeriod[processor] == 0 ? 1 : pl->totalPeriod[processor]);
-   double cpu;
-   this->values[0] = pl->nicePeriod[processor] / total * 100.0;
-   this->values[1] = pl->userPeriod[processor] / total * 100.0;
+   CPUData* cpuData = &(pl->cpus[cpu]);
+   double total = (double) ( cpuData->totalPeriod == 0 ? 1 : cpuData->totalPeriod);
+   double percent;
+   this->values[0] = cpuData->nicePeriod / total * 100.0;
+   this->values[1] = cpuData->userPeriod / total * 100.0;
    if (pl->detailedCPUTime) {
-      this->values[2] = pl->systemPeriod[processor] / total * 100.0;
-      this->values[3] = pl->irqPeriod[processor] / total * 100.0;
-      this->values[4] = pl->softIrqPeriod[processor] / total * 100.0;
-      this->values[5] = pl->ioWaitPeriod[processor] / total * 100.0;
-      this->type->items = 6;
-      cpu = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2]+
+      this->values[2] = cpuData->systemPeriod / total * 100.0;
+      this->values[3] = cpuData->irqPeriod / total * 100.0;
+      this->values[4] = cpuData->softIrqPeriod / total * 100.0;
+      this->values[5] = cpuData->ioWaitPeriod / total * 100.0;
+      this->values[6] = cpuData->stealPeriod / total * 100.0;
+      this->values[7] = cpuData->guestPeriod / total * 100.0;
+      this->type->items = 8;
+      percent = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2]+
                        this->values[3]+this->values[4])));
    } else {
-      this->values[2] = pl->systemAllPeriod[processor] / total * 100.0;
-      this->type->items = 3;
-      cpu = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2])));
+      this->values[2] = cpuData->systemAllPeriod / total * 100.0;
+      this->values[3] = (cpuData->stealPeriod + cpuData->guestPeriod) / total * 100.0;
+      this->type->items = 4;
+      percent = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2]+this->values[3])));
    }
-   if (isnan(cpu)) cpu = 0.0;
-   snprintf(buffer, size, "%5.1f%%", cpu );
+   if (isnan(percent)) percent = 0.0;
+   snprintf(buffer, size, "%5.1f%%", percent);
 }
 
 static void CPUMeter_display(Object* cast, RichString* out) {
    char buffer[50];
    Meter* this = (Meter*)cast;
    RichString_init(out);
-   if (this->param > this->pl->processorCount) {
+   if (this->param > this->pl->cpuCount) {
       RichString_append(out, CRT_colors[METER_TEXT], "absent");
       return;
    }
@@ -95,6 +99,14 @@ static void CPUMeter_display(Object* cast, RichString* out) {
       sprintf(buffer, "%5.1f%% ", this->values[5]);
       RichString_append(out, CRT_colors[METER_TEXT], "wa:");
       RichString_append(out, CRT_colors[CPU_IOWAIT], buffer);
+      sprintf(buffer, "%5.1f%% ", this->values[6]);
+      RichString_append(out, CRT_colors[METER_TEXT], "st:");
+      RichString_append(out, CRT_colors[CPU_STEAL], buffer);
+      if (this->values[7]) {
+         sprintf(buffer, "%5.1f%% ", this->values[7]);
+         RichString_append(out, CRT_colors[METER_TEXT], "gu:");
+         RichString_append(out, CRT_colors[CPU_GUEST], buffer);
+      }
    } else {
       sprintf(buffer, "%5.1f%% ", this->values[2]);
       RichString_append(out, CRT_colors[METER_TEXT], "sys:");
@@ -102,37 +114,42 @@ static void CPUMeter_display(Object* cast, RichString* out) {
       sprintf(buffer, "%5.1f%% ", this->values[0]);
       RichString_append(out, CRT_colors[METER_TEXT], "low:");
       RichString_append(out, CRT_colors[CPU_NICE], buffer);
+      if (this->values[3]) {
+         sprintf(buffer, "%5.1f%% ", this->values[3]);
+         RichString_append(out, CRT_colors[METER_TEXT], "vir:");
+         RichString_append(out, CRT_colors[CPU_GUEST], buffer);
+      }
    }
 }
 
 static void AllCPUsMeter_init(Meter* this) {
-   int processors = this->pl->processorCount;
-   this->drawBuffer = malloc(sizeof(Meter*) * processors);
+   int cpus = this->pl->cpuCount;
+   this->drawBuffer = malloc(sizeof(Meter*) * cpus);
    Meter** meters = (Meter**) this->drawBuffer;
-   for (int i = 0; i < processors; i++)
+   for (int i = 0; i < cpus; i++)
       meters[i] = Meter_new(this->pl, i+1, &CPUMeter);
-   this->h = processors;
+   this->h = cpus;
    this->mode = BAR_METERMODE;
 }
 
 static void AllCPUsMeter_done(Meter* this) {
-   int processors = this->pl->processorCount;
+   int cpus = this->pl->cpuCount;
    Meter** meters = (Meter**) this->drawBuffer;
-   for (int i = 0; i < processors; i++)
+   for (int i = 0; i < cpus; i++)
       Meter_delete((Object*)meters[i]);
 }
 
 static void AllCPUsMeter_setMode(Meter* this, int mode) {
    this->mode = mode;
-   int processors = this->pl->processorCount;
+   int cpus = this->pl->cpuCount;
    int h = Meter_modes[this->mode]->h;
-   this->h = h * processors;
+   this->h = h * cpus;
 }
 
 static void AllCPUsMeter_draw(Meter* this, int x, int y, int w) {
-   int processors = this->pl->processorCount;
+   int cpus = this->pl->cpuCount;
    Meter** meters = (Meter**) this->drawBuffer;
-   for (int i = 0; i < processors; i++) {
+   for (int i = 0; i < cpus; i++) {
       Meter_setMode(meters[i], this->mode);
       meters[i]->draw(meters[i], x, y, w);
       y += meters[i]->h;
@@ -143,7 +160,7 @@ MeterType CPUMeter = {
    .setValues = CPUMeter_setValues, 
    .display = CPUMeter_display,
    .mode = BAR_METERMODE,
-   .items = 6,
+   .items = 8,
    .total = 100.0,
    .attributes = CPUMeter_attributes, 
    .name = "CPU",
diff --git a/CRT.c b/CRT.c
index 22bc248c..a9811aab 100644
--- a/CRT.c
+++ b/CRT.c
@@ -11,6 +11,7 @@ in the source distribution for its full text.
 #include <signal.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <execinfo.h>
 
 #include "String.h"
 
@@ -93,14 +94,16 @@ typedef enum ColorElements_ {
    CHECK_MARK,
    CHECK_TEXT,
    CLOCK,
+   HELP_BOLD,
+   HOSTNAME,
    CPU_NICE,
    CPU_NORMAL,
    CPU_KERNEL,
-   HELP_BOLD,
    CPU_IOWAIT,
    CPU_IRQ,
    CPU_SOFTIRQ,
-   HOSTNAME,
+   CPU_STEAL,
+   CPU_GUEST,
    LAST_COLORELEMENT
 } ColorElements;
 
@@ -116,11 +119,16 @@ int CRT_colors[LAST_COLORELEMENT] = { 0 };
 
 char* CRT_termType;
 
+void *backtraceArray[128];
+
 static void CRT_handleSIGSEGV(int sgn) {
    (void) sgn;
    CRT_done();
-   fprintf(stderr, "htop " VERSION " aborted. Please report bug at http://htop.sf.net\n");
-   exit(1);
+   fprintf(stderr, "\n\nhtop " VERSION " aborting. Please report bug at http://htop.sf.net\n");
+   size_t size = backtrace(backtraceArray, sizeof(backtraceArray));
+   fprintf(stderr, "Backtrace: \n");
+   backtrace_symbols_fd(backtraceArray, size, 2);
+   abort();
 }
 
 static void CRT_handleSIGTERM(int sgn) {
@@ -257,17 +265,19 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[LOAD_AVERAGE_ONE] = A_BOLD;
       CRT_colors[LOAD] = A_BOLD;
       CRT_colors[HELP_BOLD] = A_BOLD;
-      CRT_colors[CPU_NICE] = A_NORMAL;
-      CRT_colors[CPU_NORMAL] = A_BOLD;
-      CRT_colors[CPU_KERNEL] = A_BOLD;
       CRT_colors[CLOCK] = A_BOLD;
       CRT_colors[CHECK_BOX] = A_BOLD;
       CRT_colors[CHECK_MARK] = A_NORMAL;
       CRT_colors[CHECK_TEXT] = A_NORMAL;
+      CRT_colors[HOSTNAME] = A_BOLD;
+      CRT_colors[CPU_NICE] = A_NORMAL;
+      CRT_colors[CPU_NORMAL] = A_BOLD;
+      CRT_colors[CPU_KERNEL] = A_BOLD;
       CRT_colors[CPU_IOWAIT] = A_NORMAL;
       CRT_colors[CPU_IRQ] = A_BOLD;
       CRT_colors[CPU_SOFTIRQ] = A_BOLD;
-      CRT_colors[HOSTNAME] = A_BOLD;
+      CRT_colors[CPU_STEAL] = A_REVERSE;
+      CRT_colors[CPU_GUEST] = A_REVERSE;
    } else if (CRT_colorScheme == COLORSCHEME_BLACKONWHITE) {
       CRT_colors[RESET_COLOR] = ColorPair(Black,White);
       CRT_colors[DEFAULT_COLOR] = ColorPair(Black,White);
@@ -316,17 +326,19 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[LOAD_AVERAGE_ONE] = ColorPair(Black,White);
       CRT_colors[LOAD] = ColorPair(Black,White);
       CRT_colors[HELP_BOLD] = ColorPair(Blue,White);
-      CRT_colors[CPU_NICE] = ColorPair(Cyan,White);
-      CRT_colors[CPU_NORMAL] = ColorPair(Green,White);
-      CRT_colors[CPU_KERNEL] = ColorPair(Red,White);
       CRT_colors[CLOCK] = ColorPair(Black,White);
       CRT_colors[CHECK_BOX] = ColorPair(Blue,White);
       CRT_colors[CHECK_MARK] = ColorPair(Black,White);
       CRT_colors[CHECK_TEXT] = ColorPair(Black,White);
+      CRT_colors[HOSTNAME] = ColorPair(Black,White);
+      CRT_colors[CPU_NICE] = ColorPair(Cyan,White);
+      CRT_colors[CPU_NORMAL] = ColorPair(Green,White);
+      CRT_colors[CPU_KERNEL] = ColorPair(Red,White);
       CRT_colors[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Black);
       CRT_colors[CPU_IRQ] = ColorPair(Blue,White);
       CRT_colors[CPU_SOFTIRQ] = ColorPair(Blue,White);
-      CRT_colors[HOSTNAME] = ColorPair(Black,White);
+      CRT_colors[CPU_STEAL] = ColorPair(Cyan,White);
+      CRT_colors[CPU_GUEST] = ColorPair(Cyan,White);
    } else if (CRT_colorScheme == COLORSCHEME_BLACKONWHITE2) {
       CRT_colors[RESET_COLOR] = ColorPair(Black,Black);
       CRT_colors[DEFAULT_COLOR] = ColorPair(Black,Black);
@@ -375,17 +387,19 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[LOAD_AVERAGE_ONE] = ColorPair(Black,Black);
       CRT_colors[LOAD] = ColorPair(White,Black);
       CRT_colors[HELP_BOLD] = ColorPair(Blue,Black);
-      CRT_colors[CPU_NICE] = ColorPair(Cyan,Black);
-      CRT_colors[CPU_NORMAL] = ColorPair(Green,Black);
-      CRT_colors[CPU_KERNEL] = ColorPair(Red,Black);
       CRT_colors[CLOCK] = ColorPair(White,Black);
       CRT_colors[CHECK_BOX] = ColorPair(Blue,Black);
       CRT_colors[CHECK_MARK] = ColorPair(Black,Black);
       CRT_colors[CHECK_TEXT] = ColorPair(Black,Black);
+      CRT_colors[HOSTNAME] = ColorPair(White,Black);
+      CRT_colors[CPU_NICE] = ColorPair(Cyan,Black);
+      CRT_colors[CPU_NORMAL] = ColorPair(Green,Black);
+      CRT_colors[CPU_KERNEL] = ColorPair(Red,Black);
       CRT_colors[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Black);
       CRT_colors[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black);
       CRT_colors[CPU_SOFTIRQ] = ColorPair(Blue,Black);
-      CRT_colors[HOSTNAME] = ColorPair(White,Black);
+      CRT_colors[CPU_STEAL] = ColorPair(Black,Black);
+      CRT_colors[CPU_GUEST] = ColorPair(Black,Black);
    } else if (CRT_colorScheme == COLORSCHEME_MIDNIGHT) {
       CRT_colors[RESET_COLOR] = ColorPair(White,Blue);
       CRT_colors[DEFAULT_COLOR] = ColorPair(White,Blue);
@@ -434,17 +448,19 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(White,Blue);
       CRT_colors[LOAD] = A_BOLD | ColorPair(White,Blue);
       CRT_colors[HELP_BOLD] = A_BOLD | ColorPair(Cyan,Blue);
-      CRT_colors[CPU_NICE] = A_BOLD | ColorPair(Cyan,Blue);
-      CRT_colors[CPU_NORMAL] = A_BOLD | ColorPair(Green,Blue);
-      CRT_colors[CPU_KERNEL] = A_BOLD | ColorPair(Red,Blue);
       CRT_colors[CLOCK] = ColorPair(White,Blue);
       CRT_colors[CHECK_BOX] = ColorPair(Cyan,Blue);
       CRT_colors[CHECK_MARK] = A_BOLD | ColorPair(White,Blue);
       CRT_colors[CHECK_TEXT] = A_NORMAL | ColorPair(White,Blue);
-      CRT_colors[CPU_IOWAIT] = ColorPair(Yellow,Blue);
+      CRT_colors[HOSTNAME] = ColorPair(White,Blue);
+      CRT_colors[CPU_NICE] = A_BOLD | ColorPair(Cyan,Blue);
+      CRT_colors[CPU_NORMAL] = A_BOLD | ColorPair(Green,Blue);
+      CRT_colors[CPU_KERNEL] = A_BOLD | ColorPair(Red,Blue);
+      CRT_colors[CPU_IOWAIT] = A_BOLD | ColorPair(Blue,Blue);
       CRT_colors[CPU_IRQ] = A_BOLD | ColorPair(Black,Blue);
       CRT_colors[CPU_SOFTIRQ] = ColorPair(Black,Blue);
-      CRT_colors[HOSTNAME] = ColorPair(White,Blue);
+      CRT_colors[CPU_STEAL] = ColorPair(White,Blue);
+      CRT_colors[CPU_GUEST] = ColorPair(White,Blue);
    } else if (CRT_colorScheme == COLORSCHEME_BLACKNIGHT) {
       CRT_colors[RESET_COLOR] = ColorPair(Cyan,Black);
       CRT_colors[DEFAULT_COLOR] = ColorPair(Cyan,Black);
@@ -493,17 +509,19 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[LOAD_AVERAGE_ONE] = A_BOLD | ColorPair(Green,Black);
       CRT_colors[LOAD] = A_BOLD;
       CRT_colors[HELP_BOLD] = A_BOLD | ColorPair(Cyan,Black);
-      CRT_colors[CPU_NICE] = ColorPair(Blue,Black);
-      CRT_colors[CPU_NORMAL] = ColorPair(Green,Black);
-      CRT_colors[CPU_KERNEL] = ColorPair(Red,Black);
       CRT_colors[CLOCK] = ColorPair(Green,Black);
       CRT_colors[CHECK_BOX] = ColorPair(Green,Black);
       CRT_colors[CHECK_MARK] = A_BOLD | ColorPair(Green,Black);
       CRT_colors[CHECK_TEXT] = ColorPair(Cyan,Black);
+      CRT_colors[HOSTNAME] = ColorPair(Green,Black);
+      CRT_colors[CPU_NICE] = ColorPair(Blue,Black);
+      CRT_colors[CPU_NORMAL] = ColorPair(Green,Black);
+      CRT_colors[CPU_KERNEL] = ColorPair(Red,Black);
       CRT_colors[CPU_IOWAIT] = ColorPair(Yellow,Black);
       CRT_colors[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black);
       CRT_colors[CPU_SOFTIRQ] = ColorPair(Blue,Black);
-      CRT_colors[HOSTNAME] = ColorPair(Green,Black);
+      CRT_colors[CPU_STEAL] = ColorPair(Cyan,Black);
+      CRT_colors[CPU_GUEST] = ColorPair(Cyan,Black);
    } else {
       /* Default */
       CRT_colors[RESET_COLOR] = ColorPair(White,Black);
@@ -553,16 +571,18 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[LOAD_AVERAGE_ONE] = A_BOLD;
       CRT_colors[LOAD] = A_BOLD;
       CRT_colors[HELP_BOLD] = A_BOLD | ColorPair(Cyan,Black);
-      CRT_colors[CPU_NICE] = ColorPair(Blue,Black);
-      CRT_colors[CPU_NORMAL] = ColorPair(Green,Black);
-      CRT_colors[CPU_KERNEL] = ColorPair(Red,Black);
       CRT_colors[CLOCK] = A_BOLD;
       CRT_colors[CHECK_BOX] = ColorPair(Cyan,Black);
       CRT_colors[CHECK_MARK] = A_BOLD;
       CRT_colors[CHECK_TEXT] = A_NORMAL;
+      CRT_colors[HOSTNAME] = A_BOLD;
+      CRT_colors[CPU_NICE] = ColorPair(Blue,Black);
+      CRT_colors[CPU_NORMAL] = ColorPair(Green,Black);
+      CRT_colors[CPU_KERNEL] = ColorPair(Red,Black);
       CRT_colors[CPU_IOWAIT] = A_BOLD | ColorPair(Black, Black);
       CRT_colors[CPU_IRQ] = ColorPair(Yellow,Black);
       CRT_colors[CPU_SOFTIRQ] = ColorPair(Magenta,Black);
-      CRT_colors[HOSTNAME] = A_BOLD;
+      CRT_colors[CPU_STEAL] = ColorPair(Cyan,Black);
+      CRT_colors[CPU_GUEST] = ColorPair(Cyan,Black);
    }
 }
diff --git a/CRT.h b/CRT.h
index ef992b59..3a60a0e8 100644
--- a/CRT.h
+++ b/CRT.h
@@ -14,6 +14,7 @@ in the source distribution for its full text.
 #include <signal.h>
 #include <stdlib.h>
 #include <stdbool.h>
+#include <execinfo.h>
 
 #include "String.h"
 
@@ -95,14 +96,16 @@ typedef enum ColorElements_ {
    CHECK_MARK,
    CHECK_TEXT,
    CLOCK,
+   HELP_BOLD,
+   HOSTNAME,
    CPU_NICE,
    CPU_NORMAL,
    CPU_KERNEL,
-   HELP_BOLD,
    CPU_IOWAIT,
    CPU_IRQ,
    CPU_SOFTIRQ,
-   HOSTNAME,
+   CPU_STEAL,
+   CPU_GUEST,
    LAST_COLORELEMENT
 } ColorElements;
 
@@ -117,6 +120,8 @@ extern int CRT_colors[LAST_COLORELEMENT];
 
 char* CRT_termType;
 
+void *backtraceArray[128];
+
 // TODO: pass an instance of Settings instead.
 
 void CRT_init(int delay, int colorScheme);
diff --git a/DisplayOptionsPanel.c b/DisplayOptionsPanel.c
index ebaa9953..2f3b9d86 100644
--- a/DisplayOptionsPanel.c
+++ b/DisplayOptionsPanel.c
@@ -73,6 +73,6 @@ DisplayOptionsPanel* DisplayOptionsPanel_new(Settings* settings, ScreenManager*
    Panel_add(super, (Object*) CheckItem_new(String_copy("Highlight program \"basename\""), &(settings->pl->highlightBaseName), false));
    Panel_add(super, (Object*) CheckItem_new(String_copy("Highlight megabytes in memory counters"), &(settings->pl->highlightMegabytes), false));
    Panel_add(super, (Object*) CheckItem_new(String_copy("Leave a margin around header"), &(settings->header->margin), false));
-   Panel_add(super, (Object*) CheckItem_new(String_copy("Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ)"), &(settings->pl->detailedCPUTime), false));
+   Panel_add(super, (Object*) CheckItem_new(String_copy("Detailed CPU time (System/IO-Wait/Hard-IRQ/Soft-IRQ/Steal/Guest)"), &(settings->pl->detailedCPUTime), false));
    return this;
 }
diff --git a/Makefile.am b/Makefile.am
index cd274394..2dbbd51a 100644
--- a/Makefile.am
+++ b/Makefile.am
@@ -12,7 +12,7 @@ applications_DATA = htop.desktop
 pixmapdir = $(datadir)/pixmaps
 pixmap_DATA = htop.png
 
-htop_CFLAGS = -pedantic -Wall -std=c99 -D_XOPEN_SOURCE_EXTENDED
+htop_CFLAGS = -pedantic -Wall -std=c99 -rdynamic -D_XOPEN_SOURCE_EXTENDED
 AM_CPPFLAGS = -DSYSCONFDIR=\"$(sysconfdir)\"
 
 myhtopsources = AvailableMetersPanel.c CategoriesPanel.c CheckItem.c \
diff --git a/OpenFilesScreen.c b/OpenFilesScreen.c
index df67f127..7a574707 100644
--- a/OpenFilesScreen.c
+++ b/OpenFilesScreen.c
@@ -43,17 +43,17 @@ typedef struct OpenFilesScreen_ {
 
 }*/
 
-static const char* tbFunctions[] = {"Refresh", "Done   ", NULL};
+static const char* ofsFunctions[] = {"Refresh", "Done   ", NULL};
 
-static const char* tbKeys[] = {"F5", "Esc"};
+static const char* ofsKeys[] = {"F5", "Esc"};
 
-static int tbEvents[] = {KEY_F(5), 27};
+static int ofsEvents[] = {KEY_F(5), 27};
 
 OpenFilesScreen* OpenFilesScreen_new(Process* process) {
    OpenFilesScreen* this = (OpenFilesScreen*) malloc(sizeof(OpenFilesScreen));
    this->process = process;
    this->display = Panel_new(0, 1, COLS, LINES-3, LISTITEM_CLASS, true, ListItem_compare);
-   this->bar = FunctionBar_new(tbFunctions, tbKeys, tbEvents);
+   this->bar = FunctionBar_new(ofsFunctions, ofsKeys, ofsEvents);
    this->tracing = true;
    return this;
 }
diff --git a/Process.c b/Process.c
index 6389f741..0fb175ea 100644
--- a/Process.c
+++ b/Process.c
@@ -471,27 +471,6 @@ Process* Process_new(struct ProcessList_ *pl) {
    return this;
 }
 
-Process* Process_clone(Process* this) {
-   Process* copy = malloc(sizeof(Process));
-   #if HAVE_TASKSTATS
-   this->io_rchar = 0;
-   this->io_wchar = 0;
-   this->io_syscr = 0;
-   this->io_syscw = 0;
-   this->io_read_bytes = 0;
-   this->io_rate_read_bps = 0;
-   this->io_rate_read_time = 0;
-   this->io_write_bytes = 0;
-   this->io_rate_write_bps = 0;
-   this->io_rate_write_time = 0;
-   this->io_cancelled_write_bytes = 0;
-   #endif
-   memcpy(copy, this, sizeof(Process));
-   this->comm = NULL;
-   this->pid = 0;
-   return copy;
-}
-
 void Process_toggleTag(Process* this) {
    this->tag = this->tag == true ? false : true;
 }
diff --git a/Process.h b/Process.h
index d3488165..922afdd6 100644
--- a/Process.h
+++ b/Process.h
@@ -176,8 +176,6 @@ void Process_delete(Object* cast);
 
 Process* Process_new(struct ProcessList_ *pl);
 
-Process* Process_clone(Process* this);
-
 void Process_toggleTag(Process* this);
 
 bool Process_setPriority(Process* this, int priority);
diff --git a/ProcessList.c b/ProcessList.c
index d5af4d05..d65baef5 100644
--- a/ProcessList.c
+++ b/ProcessList.c
@@ -33,6 +33,7 @@ in the source distribution for its full text.
 #include <assert.h>
 
 /*{
+
 #ifndef PROCDIR
 #define PROCDIR "/proc"
 #endif
@@ -53,10 +54,6 @@ in the source distribution for its full text.
 #define MAX_READ 2048
 #endif
 
-#ifndef PER_PROCESSOR_FIELDS
-#define PER_PROCESSOR_FIELDS 22
-#endif
-
 }*/
 
 /*{
@@ -65,40 +62,45 @@ in the source distribution for its full text.
 typedef int(*vxscanf)(void*, const char*, va_list);
 #endif
 
+typedef struct CPUData_ {
+   unsigned long long int totalTime;
+   unsigned long long int userTime;
+   unsigned long long int systemTime;
+   unsigned long long int systemAllTime;
+   unsigned long long int idleAllTime;
+   unsigned long long int idleTime;
+   unsigned long long int niceTime;
+   unsigned long long int ioWaitTime;
+   unsigned long long int irqTime;
+   unsigned long long int softIrqTime;
+   unsigned long long int stealTime;
+   unsigned long long int guestTime;
+   
+   unsigned long long int totalPeriod;
+   unsigned long long int userPeriod;
+   unsigned long long int systemPeriod;
+   unsigned long long int systemAllPeriod;
+   unsigned long long int idleAllPeriod;
+   unsigned long long int idlePeriod;
+   unsigned long long int nicePeriod;
+   unsigned long long int ioWaitPeriod;
+   unsigned long long int irqPeriod;
+   unsigned long long int softIrqPeriod;
+   unsigned long long int stealPeriod;
+   unsigned long long int guestPeriod;
+} CPUData;
+
 typedef struct ProcessList_ {
    Vector* processes;
    Vector* processes2;
    Hashtable* processTable;
-   Process* prototype;
    UsersTable* usersTable;
 
-   int processorCount;
+   int cpuCount;
    int totalTasks;
    int runningTasks;
 
-   // Must match number of PER_PROCESSOR_FIELDS constant
-   unsigned long long int* totalTime;
-   unsigned long long int* userTime;
-   unsigned long long int* systemTime;
-   unsigned long long int* systemAllTime;
-   unsigned long long int* idleAllTime;
-   unsigned long long int* idleTime;
-   unsigned long long int* niceTime;
-   unsigned long long int* ioWaitTime;
-   unsigned long long int* irqTime;
-   unsigned long long int* softIrqTime;
-   unsigned long long int* stealTime;
-   unsigned long long int* totalPeriod;
-   unsigned long long int* userPeriod;
-   unsigned long long int* systemPeriod;
-   unsigned long long int* systemAllPeriod;
-   unsigned long long int* idleAllPeriod;
-   unsigned long long int* idlePeriod;
-   unsigned long long int* nicePeriod;
-   unsigned long long int* ioWaitPeriod;
-   unsigned long long int* irqPeriod;
-   unsigned long long int* softIrqPeriod;
-   unsigned long long int* stealPeriod;
+   CPUData* cpus;
 
    unsigned long long int totalMem;
    unsigned long long int usedMem;
@@ -195,23 +197,12 @@ static inline int ProcessList_xread(ProcessList* this, vxscanf fn, void* buffer,
 
 #endif
 
-static inline void ProcessList_allocatePerProcessorBuffers(ProcessList* this, int procs) {
-   unsigned long long int** bufferPtr = &(this->totalTime);
-   unsigned long long int* buffer = calloc(procs * PER_PROCESSOR_FIELDS, sizeof(unsigned long long int));
-   for (int i = 0; i < PER_PROCESSOR_FIELDS; i++) {
-      *bufferPtr = buffer;
-      bufferPtr++;
-      buffer += procs;
-   }
-}
-
 ProcessList* ProcessList_new(UsersTable* usersTable) {
    ProcessList* this;
    this = malloc(sizeof(ProcessList));
    this->processes = Vector_new(PROCESS_CLASS, true, DEFAULT_SIZE, Process_compare);
    this->processTable = Hashtable_new(70, false);
    assert(Hashtable_count(this->processTable) == Vector_count(this->processes));
-   this->prototype = Process_new(this);
    this->usersTable = usersTable;
    
    /* tree-view auxiliary buffers */
@@ -224,19 +215,19 @@ ProcessList* ProcessList_new(UsersTable* usersTable) {
    FILE* status = fopen(PROCSTATFILE, "r");
    assert(status != NULL);
    char buffer[256];
-   int procs = -1;
+   int cpus = -1;
    do {
-      procs++;
+      cpus++;
       fgets(buffer, 255, status);
    } while (String_startsWith(buffer, "cpu"));
    fclose(status);
-   this->processorCount = procs - 1;
+   this->cpuCount = cpus - 1;
    
-   ProcessList_allocatePerProcessorBuffers(this, procs);
+   this->cpus = calloc(sizeof(CPUData), cpus);
 
-   for (int i = 0; i < procs; i++) {
-      this->totalTime[i] = 1;
-      this->totalPeriod[i] = 1;
+   for (int i = 0; i < cpus; i++) {
+      this->cpus[i].totalTime = 1;
+      this->cpus[i].totalPeriod = 1;
    }
 
    this->fields = calloc(sizeof(ProcessField), LAST_PROCESSFIELD+1);
@@ -265,11 +256,8 @@ void ProcessList_delete(ProcessList* this) {
    Hashtable_delete(this->processTable);
    Vector_delete(this->processes);
    Vector_delete(this->processes2);
-   Process_delete((Object*)this->prototype);
 
-   // Free first entry only;
-   // other fields are offsets of the same buffer
-   free(this->totalTime);
+   free(this->cpus);
 
    #ifdef DEBUG_PROC
    fclose(this->traceFile);
@@ -303,8 +291,10 @@ RichString ProcessList_printHeader(ProcessList* this) {
 static void ProcessList_add(ProcessList* this, Process* p) {
    assert(Vector_indexOf(this->processes, p, Process_pidCompare) == -1);
    assert(Hashtable_get(this->processTable, p->pid) == NULL);
+   
    Vector_add(this->processes, p);
    Hashtable_put(this->processTable, p->pid, p);
+   
    assert(Vector_indexOf(this->processes, p, Process_pidCompare) != -1);
    assert(Hashtable_get(this->processTable, p->pid) != NULL);
    assert(Hashtable_count(this->processTable) == Vector_count(this->processes));
@@ -357,7 +347,7 @@ static void ProcessList_buildTree(ProcessList* this, pid_t pid, int level, int i
          ProcessList_buildTree(this, process->pid, level+1, nextIndent, direction, process->showChildren);
          process->indent = indent | (1 << level);
       } else {
-         Hashtable_remove(this->processTable, process->pid);
+         ProcessList_remove(this, process);
       }
    }
    Vector_delete(children);
@@ -532,11 +522,10 @@ static void ProcessList_readIoFile(Process* proc, const char* dirname, char* nam
 static bool ProcessList_processEntries(ProcessList* this, const char* dirname, Process* parent, pid_t parentPid, float period) {
    DIR* dir;
    struct dirent* entry;
-   Process* prototype = this->prototype;
 
    dir = opendir(dirname);
    if (!dir) return false;
-   int processors = this->processorCount;
+   int cpus = this->cpuCount;
    bool showUserlandThreads = !this->hideUserlandThreads;
    while ((entry = readdir(dir)) != NULL) {
       char* name = entry->d_name;
@@ -571,7 +560,7 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
             if (parent && parent->pid == pid) {
                process = parent;
             } else {
-               process = prototype;
+               process = Process_new(this);
                assert(process->comm == NULL);
                process->pid = pid;
             }
@@ -703,14 +692,16 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
             }
             fclose(status);
             command[PROCESS_COMM_LEN] = '\0';
+            free(process->comm);
             process->comm = String_copy(command);
          } else if (pid != parentPid && this->showThreadNames) {
+            free(process->comm);
             process->comm = String_copy(command);
          }
 
          int percent_cpu = (process->utime + process->stime - lasttimes) / 
             period * 100.0;
-         process->percent_cpu = MAX(MIN(percent_cpu, processors*100.0), 0.0);
+         process->percent_cpu = MAX(MIN(percent_cpu, cpus*100.0), 0.0);
          if (isnan(process->percent_cpu)) process->percent_cpu = 0.0;
 
          process->percent_mem = (process->m_resident * PAGE_SIZE_KB) / 
@@ -723,10 +714,8 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
          }
 
          if (!existingProcess) {
-            process = Process_clone(process);
             ProcessList_add(this, process);
          }
-
          continue;
 
          // Exception handler.
@@ -737,7 +726,8 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
             }
             if (existingProcess)
                ProcessList_remove(this, process);
-            assert(Hashtable_count(this->processTable) == Vector_count(this->processes));
+            else
+               Process_delete((Object*)process);
          }
       }
    }
@@ -746,13 +736,13 @@ static bool ProcessList_processEntries(ProcessList* this, const char* dirname, P
 }
 
 void ProcessList_scan(ProcessList* this) {
-   unsigned long long int usertime, nicetime, systemtime, systemalltime, idlealltime, idletime, totaltime;
+   unsigned long long int usertime, nicetime, systemtime, systemalltime, idlealltime, idletime, totaltime, virtalltime;
    unsigned long long int swapFree = 0;
 
    FILE* status;
    status = ProcessList_fopen(this, PROCMEMINFOFILE, "r");
    assert(status != NULL);
-   int processors = this->processorCount;
+   int cpus = this->cpuCount;
    {
       char buffer[128];
       while (fgets(buffer, 128, status)) {
@@ -791,62 +781,66 @@ void ProcessList_scan(ProcessList* this) {
    status = ProcessList_fopen(this, PROCSTATFILE, "r");
 
    assert(status != NULL);
-   for (int i = 0; i <= processors; i++) {
+   for (int i = 0; i <= cpus; i++) {
       char buffer[256];
       int cpuid;
-      unsigned long long int ioWait, irq, softIrq, steal;
-      ioWait = irq = softIrq = steal = 0;
+      unsigned long long int ioWait, irq, softIrq, steal, guest;
+      ioWait = irq = softIrq = steal = guest = 0;
       // Dependending on your kernel version,
       // 5, 7 or 8 of these fields will be set.
       // The rest will remain at zero.
       fgets(buffer, 255, status);
       if (i == 0)
-         ProcessList_read(this, buffer, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu", &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal);
+         ProcessList_read(this, buffer, "cpu  %llu %llu %llu %llu %llu %llu %llu %llu %llu", &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest);
       else {
-         ProcessList_read(this, buffer, "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu", &cpuid, &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal);
+         ProcessList_read(this, buffer, "cpu%d %llu %llu %llu %llu %llu %llu %llu %llu %llu", &cpuid, &usertime, &nicetime, &systemtime, &idletime, &ioWait, &irq, &softIrq, &steal, &guest);
          assert(cpuid == i - 1);
       }
       // Fields existing on kernels >= 2.6
       // (and RHEL's patched kernel 2.4...)
       idlealltime = idletime + ioWait;
-      systemalltime = systemtime + irq + softIrq + steal;
-      totaltime = usertime + nicetime + systemalltime + idlealltime;
-      assert (usertime >= this->userTime[i]);
-      assert (nicetime >= this->niceTime[i]);
-      assert (systemtime >= this->systemTime[i]);
-      assert (idletime >= this->idleTime[i]);
-      assert (totaltime >= this->totalTime[i]);
-      assert (systemalltime >= this->systemAllTime[i]);
-      assert (idlealltime >= this->idleAllTime[i]);
-      assert (ioWait >= this->ioWaitTime[i]);
-      assert (irq >= this->irqTime[i]);
-      assert (softIrq >= this->softIrqTime[i]);
-      assert (steal >= this->stealTime[i]);
-      this->userPeriod[i] = usertime - this->userTime[i];
-      this->nicePeriod[i] = nicetime - this->niceTime[i];
-      this->systemPeriod[i] = systemtime - this->systemTime[i];
-      this->systemAllPeriod[i] = systemalltime - this->systemAllTime[i];
-      this->idleAllPeriod[i] = idlealltime - this->idleAllTime[i];
-      this->idlePeriod[i] = idletime - this->idleTime[i];
-      this->ioWaitPeriod[i] = ioWait - this->ioWaitTime[i];
-      this->irqPeriod[i] = irq - this->irqTime[i];
-      this->softIrqPeriod[i] = softIrq - this->softIrqTime[i];
-      this->stealPeriod[i] = steal - this->stealTime[i];
-      this->totalPeriod[i] = totaltime - this->totalTime[i];
-      this->userTime[i] = usertime;
-      this->niceTime[i] = nicetime;
-      this->systemTime[i] = systemtime;
-      this->systemAllTime[i] = systemalltime;
-      this->idleAllTime[i] = idlealltime;
-      this->idleTime[i] = idletime;
-      this->ioWaitTime[i] = ioWait;
-      this->irqTime[i] = irq;
-      this->softIrqTime[i] = softIrq;
-      this->stealTime[i] = steal;
-      this->totalTime[i] = totaltime;
+      systemalltime = systemtime + irq + softIrq;
+      virtalltime = steal + guest;
+      totaltime = usertime + nicetime + systemalltime + idlealltime + virtalltime;
+      CPUData* cpuData = &(this->cpus[i]);
+      assert (usertime >= cpuData->userTime);
+      assert (nicetime >= cpuData->niceTime);
+      assert (systemtime >= cpuData->systemTime);
+      assert (idletime >= cpuData->idleTime);
+      assert (totaltime >= cpuData->totalTime);
+      assert (systemalltime >= cpuData->systemAllTime);
+      assert (idlealltime >= cpuData->idleAllTime);
+      assert (ioWait >= cpuData->ioWaitTime);
+      assert (irq >= cpuData->irqTime);
+      assert (softIrq >= cpuData->softIrqTime);
+      assert (steal >= cpuData->stealTime);
+      assert (guest >= cpuData->guestTime);
+      cpuData->userPeriod = usertime - cpuData->userTime;
+      cpuData->nicePeriod = nicetime - cpuData->niceTime;
+      cpuData->systemPeriod = systemtime - cpuData->systemTime;
+      cpuData->systemAllPeriod = systemalltime - cpuData->systemAllTime;
+      cpuData->idleAllPeriod = idlealltime - cpuData->idleAllTime;
+      cpuData->idlePeriod = idletime - cpuData->idleTime;
+      cpuData->ioWaitPeriod = ioWait - cpuData->ioWaitTime;
+      cpuData->irqPeriod = irq - cpuData->irqTime;
+      cpuData->softIrqPeriod = softIrq - cpuData->softIrqTime;
+      cpuData->stealPeriod = steal - cpuData->stealTime;
+      cpuData->guestPeriod = guest - cpuData->guestTime;
+      cpuData->totalPeriod = totaltime - cpuData->totalTime;
+      cpuData->userTime = usertime;
+      cpuData->niceTime = nicetime;
+      cpuData->systemTime = systemtime;
+      cpuData->systemAllTime = systemalltime;
+      cpuData->idleAllTime = idlealltime;
+      cpuData->idleTime = idletime;
+      cpuData->ioWaitTime = ioWait;
+      cpuData->irqTime = irq;
+      cpuData->softIrqTime = softIrq;
+      cpuData->stealTime = steal;
+      cpuData->guestTime = guest;
+      cpuData->totalTime = totaltime;
    }
-   float period = (float)this->totalPeriod[0] / processors;
-   fclose(status);
+   float period = (float)this->cpus[0].totalPeriod / cpus; fclose(status);
 
    // mark all process as "dirty"
    for (int i = 0; i < Vector_size(this->processes); i++) {
@@ -884,3 +878,11 @@ ProcessField ProcessList_keyAt(ProcessList* this, int at) {
    }
    return COMM;
 }
+
+void ProcessList_expandTree(ProcessList* this) {
+   int size = Vector_size(this->processes);
+   for (int i = 0; i < size; i++) {
+      Process* process = (Process*) Vector_get(this->processes, i);
+      process->showChildren = true;
+   }
+}
diff --git a/ProcessList.h b/ProcessList.h
index 509dfce0..48456def 100644
--- a/ProcessList.h
+++ b/ProcessList.h
@@ -35,6 +35,7 @@ in the source distribution for its full text.
 #include "debug.h"
 #include <assert.h>
 
+
 #ifndef PROCDIR
 #define PROCDIR "/proc"
 #endif
@@ -55,50 +56,51 @@ in the source distribution for its full text.
 #define MAX_READ 2048
 #endif
 
-#ifndef PER_PROCESSOR_FIELDS
-#define PER_PROCESSOR_FIELDS 22
-#endif
-
 
 
 #ifdef DEBUG_PROC
 typedef int(*vxscanf)(void*, const char*, va_list);
 #endif
 
+typedef struct CPUData_ {
+   unsigned long long int totalTime;
+   unsigned long long int userTime;
+   unsigned long long int systemTime;
+   unsigned long long int systemAllTime;
+   unsigned long long int idleAllTime;
+   unsigned long long int idleTime;
+   unsigned long long int niceTime;
+   unsigned long long int ioWaitTime;
+   unsigned long long int irqTime;
+   unsigned long long int softIrqTime;
+   unsigned long long int stealTime;
+   unsigned long long int guestTime;
+   
+   unsigned long long int totalPeriod;
+   unsigned long long int userPeriod;
+   unsigned long long int systemPeriod;
+   unsigned long long int systemAllPeriod;
+   unsigned long long int idleAllPeriod;
+   unsigned long long int idlePeriod;
+   unsigned long long int nicePeriod;
+   unsigned long long int ioWaitPeriod;
+   unsigned long long int irqPeriod;
+   unsigned long long int softIrqPeriod;
+   unsigned long long int stealPeriod;
+   unsigned long long int guestPeriod;
+} CPUData;
+
 typedef struct ProcessList_ {
    Vector* processes;
    Vector* processes2;
    Hashtable* processTable;
-   Process* prototype;
    UsersTable* usersTable;
 
-   int processorCount;
+   int cpuCount;
    int totalTasks;
    int runningTasks;
 
-   // Must match number of PER_PROCESSOR_FIELDS constant
-   unsigned long long int* totalTime;
-   unsigned long long int* userTime;
-   unsigned long long int* systemTime;
-   unsigned long long int* systemAllTime;
-   unsigned long long int* idleAllTime;
-   unsigned long long int* idleTime;
-   unsigned long long int* niceTime;
-   unsigned long long int* ioWaitTime;
-   unsigned long long int* irqTime;
-   unsigned long long int* softIrqTime;
-   unsigned long long int* stealTime;
-   unsigned long long int* totalPeriod;
-   unsigned long long int* userPeriod;
-   unsigned long long int* systemPeriod;
-   unsigned long long int* systemAllPeriod;
-   unsigned long long int* idleAllPeriod;
-   unsigned long long int* idlePeriod;
-   unsigned long long int* nicePeriod;
-   unsigned long long int* ioWaitPeriod;
-   unsigned long long int* irqPeriod;
-   unsigned long long int* softIrqPeriod;
-   unsigned long long int* stealPeriod;
+   CPUData* cpus;
 
    unsigned long long int totalMem;
    unsigned long long int usedMem;
@@ -167,4 +169,6 @@ void ProcessList_scan(ProcessList* this);
 
 ProcessField ProcessList_keyAt(ProcessList* this, int at);
 
+void ProcessList_expandTree(ProcessList* this);
+
 #endif
diff --git a/TraceScreen.c b/TraceScreen.c
index 1a896992..3af12e28 100644
--- a/TraceScreen.c
+++ b/TraceScreen.c
@@ -32,17 +32,17 @@ typedef struct TraceScreen_ {
 
 }*/
 
-static const char* tbFunctions[] = {"AutoScroll ", "Stop Tracing   ", "Done   ", NULL};
+static const char* tsFunctions[] = {"AutoScroll ", "Stop Tracing   ", "Done   ", NULL};
 
-static const char* tbKeys[] = {"F4", "F5", "Esc"};
+static const char* tsKeys[] = {"F4", "F5", "Esc"};
 
-static int tbEvents[] = {KEY_F(4), KEY_F(5), 27};
+static int tsEvents[] = {KEY_F(4), KEY_F(5), 27};
 
 TraceScreen* TraceScreen_new(Process* process) {
    TraceScreen* this = (TraceScreen*) malloc(sizeof(TraceScreen));
    this->process = process;
    this->display = Panel_new(0, 1, COLS, LINES-2, LISTITEM_CLASS, true, ListItem_compare);
-   this->bar = FunctionBar_new(tbFunctions, tbKeys, tbEvents);
+   this->bar = FunctionBar_new(tsFunctions, tsKeys, tsEvents);
    this->tracing = true;
    return this;
 }
diff --git a/htop.c b/htop.c
index cd560b52..0e7a84bd 100644
--- a/htop.c
+++ b/htop.c
@@ -83,13 +83,16 @@ static void showHelp(ProcessList* pl) {
       addattrstr(CRT_colors[CPU_KERNEL], "kernel"); addstr("/");
       addattrstr(CRT_colors[CPU_IRQ], "irq"); addstr("/");
       addattrstr(CRT_colors[CPU_SOFTIRQ], "soft-irq"); addstr("/");
-      addattrstr(CRT_colors[CPU_IOWAIT], "io-wait");
+      addattrstr(CRT_colors[CPU_IOWAIT], "io-wait"); addstr("/");
+      addattrstr(CRT_colors[CPU_STEAL], "steal"); addstr("/");
+      addattrstr(CRT_colors[CPU_GUEST], "guest");
       addattrstr(CRT_colors[BAR_SHADOW], " used%");
    } else {
       addattrstr(CRT_colors[CPU_NICE], "low-priority"); addstr("/");
       addattrstr(CRT_colors[CPU_NORMAL], "normal"); addstr("/");
-      addattrstr(CRT_colors[CPU_KERNEL], "kernel");
-      addattrstr(CRT_colors[BAR_SHADOW], "             used%");
+      addattrstr(CRT_colors[CPU_KERNEL], "kernel"); addstr("/");
+      addattrstr(CRT_colors[CPU_STEAL], "virtualiz");
+      addattrstr(CRT_colors[BAR_SHADOW], "               used%");
    }
    addattrstr(CRT_colors[BAR_BORDER], "]");
    attrset(CRT_colors[DEFAULT_COLOR]);
@@ -98,13 +101,13 @@ static void showHelp(ProcessList* pl) {
    addattrstr(CRT_colors[MEMORY_USED], "used"); addstr("/");
    addattrstr(CRT_colors[MEMORY_BUFFERS], "buffers"); addstr("/");
    addattrstr(CRT_colors[MEMORY_CACHE], "cache");
-   addattrstr(CRT_colors[BAR_SHADOW], "                used/total");
+   addattrstr(CRT_colors[BAR_SHADOW], "                            used/total");
    addattrstr(CRT_colors[BAR_BORDER], "]");
    attrset(CRT_colors[DEFAULT_COLOR]);
    mvaddstr(5, 0, "Swap bar:      ");
    addattrstr(CRT_colors[BAR_BORDER], "[");
    addattrstr(CRT_colors[SWAP], "used");
-   addattrstr(CRT_colors[BAR_SHADOW], "                              used/total");
+   addattrstr(CRT_colors[BAR_SHADOW], "                                          used/total");
    addattrstr(CRT_colors[BAR_BORDER], "]");
    attrset(CRT_colors[DEFAULT_COLOR]);
    mvaddstr(6,0, "Type and layout of header meters are configurable in the setup screen.");
@@ -122,7 +125,7 @@ static void showHelp(ProcessList* pl) {
    mvaddstr(16, 0, "   ] F7: higher priority (root only)        M: sort by MEM%");
    mvaddstr(17, 0, "   [ F8: lower priority (+ nice)            T: sort by TIME");
 #ifdef HAVE_PLPA
-   if (pl->processorCount > 1)
+   if (pl->cpuCount > 1)
       mvaddstr(18, 0, "      a: set CPU affinity                F4 I: invert sort order");
    else
 #endif
@@ -143,7 +146,7 @@ static void showHelp(ProcessList* pl) {
    mvaddstr(17, 0, " - ] F8"); mvaddstr(17,40, "    T");
                                mvaddstr(18,40, " F4 I");
 #if HAVE_PLPA
-   if (pl->processorCount > 1)
+   if (pl->cpuCount > 1)
       mvaddstr(18, 0, "      a:");
 #endif
    mvaddstr(19, 0, "   F2 S"); mvaddstr(19,40, " F6 >");
@@ -685,12 +688,12 @@ int main(int argc, char** argv) {
 #ifdef HAVE_PLPA
       case 'a':
       {
-         if (pl->processorCount == 1)
+         if (pl->cpuCount == 1)
             break;
 
          unsigned long curr = Process_getAffinity((Process*) Panel_getSelected(panel));
          
-         Panel* affinityPanel = AffinityPanel_new(pl->processorCount, curr);
+         Panel* affinityPanel = AffinityPanel_new(pl->cpuCount, curr);
 
          const char* fuFunctions[] = {"Set    ", "Cancel ", NULL};
          void* set = pickFromVector(panel, affinityPanel, 15, headerHeight, fuFunctions, defaultBar);
@@ -782,6 +785,7 @@ int main(int argc, char** argv) {
       case KEY_F(5):
          refreshTimeout = 0;
          pl->treeView = !pl->treeView;
+         ProcessList_expandTree(pl);
          settings->changed = true;
          break;
       case 'H':