Tag release 0.6.4 in revision history

(minor modifications: default to false, add help)

CPUMeter.c

@@ -19,14 +19,14 @@ in the source distribution for its full text.
 #include <assert.h>
 
 int CPUMeter_attributes[] = {
-   CPU_NICE, CPU_NORMAL, CPU_KERNEL
+   CPU_NICE, CPU_NORMAL, CPU_KERNEL, CPU_IOWAIT, CPU_IRQ, CPU_SOFTIRQ
 };
 
 MeterType CPUMeter = {
    .setValues = CPUMeter_setValues, 
    .display = CPUMeter_display,
    .mode = BAR_METERMODE,
-   .items = 3,
+   .items = 6,
    .total = 100.0,
    .attributes = CPUMeter_attributes, 
    .name = "CPU",
@@ -71,10 +71,22 @@ void CPUMeter_setValues(Meter* this, char* buffer, int size) {
    ProcessList* pl = this->pl;
    int processor = this->param;
    double total = (double) pl->totalPeriod[processor];
+   double cpu;
    this->values[0] = pl->nicePeriod[processor] / total * 100.0;
    this->values[1] = pl->userPeriod[processor] / total * 100.0;
+   if (pl->expandSystemTime) {
       this->values[2] = pl->systemPeriod[processor] / total * 100.0;
-   double cpu = MIN(100.0, MAX(0.0, (this->values[0]+this->values[1]+this->values[2])));
+      this->values[3] = pl->ioWaitPeriod[processor] / total * 100.0;
+      this->values[4] = pl->irqPeriod[processor] / total * 100.0;
+      this->values[5] = pl->softIrqPeriod[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[3]+this->values[4]+this->values[5])));
+   } 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])));
+   }
    snprintf(buffer, size, "%5.1f%%", cpu );
 }
 
@@ -85,6 +97,23 @@ void CPUMeter_display(Object* cast, RichString* out) {
    sprintf(buffer, "%5.1f%% ", this->values[1]);
    RichString_append(out, CRT_colors[METER_TEXT], ":");
    RichString_append(out, CRT_colors[CPU_NORMAL], buffer);
+   if (this->pl->expandSystemTime) {
+      sprintf(buffer, "%5.1f%% ", this->values[2]);
+      RichString_append(out, CRT_colors[METER_TEXT], "sy:");
+      RichString_append(out, CRT_colors[CPU_KERNEL], buffer);
+      sprintf(buffer, "%5.1f%% ", this->values[0]);
+      RichString_append(out, CRT_colors[METER_TEXT], "ni:");
+      RichString_append(out, CRT_colors[CPU_NICE], buffer);
+      sprintf(buffer, "%5.1f%% ", this->values[3]);
+      RichString_append(out, CRT_colors[METER_TEXT], "wa:");
+      RichString_append(out, CRT_colors[CPU_IOWAIT], buffer);
+      sprintf(buffer, "%5.1f%% ", this->values[4]);
+      RichString_append(out, CRT_colors[METER_TEXT], "hi:");
+      RichString_append(out, CRT_colors[CPU_IRQ], buffer);
+      sprintf(buffer, "%5.1f%% ", this->values[4]);
+      RichString_append(out, CRT_colors[METER_TEXT], "si:");
+      RichString_append(out, CRT_colors[CPU_SOFTIRQ], buffer);
+   } else {
       sprintf(buffer, "%5.1f%% ", this->values[2]);
       RichString_append(out, CRT_colors[METER_TEXT], "sys:");
       RichString_append(out, CRT_colors[CPU_KERNEL], buffer);
@@ -92,6 +121,7 @@ void CPUMeter_display(Object* cast, RichString* out) {
       RichString_append(out, CRT_colors[METER_TEXT], "low:");
       RichString_append(out, CRT_colors[CPU_NICE], buffer);
    }
+}
 
 void AllCPUsMeter_init(Meter* this) {
    int processors = this->pl->processorCount;

CRT.c

@@ -93,6 +93,9 @@ typedef enum ColorElements_ {
    CPU_NORMAL,
    CPU_KERNEL,
    HELP_BOLD,
+   CPU_IOWAIT,
+   CPU_IRQ,
+   CPU_SOFTIRQ,
    LAST_COLORELEMENT
 } ColorElements;
 
@@ -160,6 +163,7 @@ void CRT_done() {
 int CRT_readKey() {
    nocbreak();
    cbreak();
+   nodelay(stdscr, FALSE);
    int ret = getch();
    halfdelay(CRT_delay);
    return ret;
@@ -250,6 +254,9 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[CHECK_BOX] = A_BOLD;
       CRT_colors[CHECK_MARK] = A_NORMAL;
       CRT_colors[CHECK_TEXT] = A_NORMAL;
+      CRT_colors[CPU_IOWAIT] = A_BOLD;
+      CRT_colors[CPU_IRQ] = A_BOLD;
+      CRT_colors[CPU_SOFTIRQ] = A_BOLD;
    } else if (CRT_colorScheme == COLORSCHEME_BLACKONWHITE) {
       CRT_colors[RESET_COLOR] = ColorPair(Black,White);
       CRT_colors[DEFAULT_COLOR] = ColorPair(Black,White);
@@ -302,6 +309,9 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[CHECK_BOX] = ColorPair(Blue,White);
       CRT_colors[CHECK_MARK] = ColorPair(Black,White);
       CRT_colors[CHECK_TEXT] = ColorPair(Black,White);
+      CRT_colors[CPU_IOWAIT] = ColorPair(Yellow,White);
+      CRT_colors[CPU_IRQ] = ColorPair(Blue,White);
+      CRT_colors[CPU_SOFTIRQ] = ColorPair(Blue,White);
    } else if (CRT_colorScheme == COLORSCHEME_BLACKONWHITE2) {
       CRT_colors[RESET_COLOR] = ColorPair(Black,Black);
       CRT_colors[DEFAULT_COLOR] = ColorPair(Black,Black);
@@ -354,6 +364,9 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[CHECK_BOX] = ColorPair(Blue,Black);
       CRT_colors[CHECK_MARK] = ColorPair(Black,Black);
       CRT_colors[CHECK_TEXT] = ColorPair(Black,Black);
+      CRT_colors[CPU_IOWAIT] = ColorPair(Yellow,Black);
+      CRT_colors[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black);
+      CRT_colors[CPU_SOFTIRQ] = ColorPair(Blue,Black);
    } else if (CRT_colorScheme == COLORSCHEME_MIDNIGHT) {
       CRT_colors[RESET_COLOR] = ColorPair(White,Blue);
       CRT_colors[DEFAULT_COLOR] = ColorPair(White,Blue);
@@ -406,6 +419,9 @@ void CRT_setColors(int colorScheme) {
       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] = A_BOLD | ColorPair(Yellow,Blue);
+      CRT_colors[CPU_IRQ] = A_BOLD | ColorPair(Black,Blue);
+      CRT_colors[CPU_SOFTIRQ] = ColorPair(Black,Blue);
    } else if (CRT_colorScheme == COLORSCHEME_BLACKNIGHT) {
       CRT_colors[RESET_COLOR] = ColorPair(Cyan,Black);
       CRT_colors[DEFAULT_COLOR] = ColorPair(Cyan,Black);
@@ -458,6 +474,9 @@ void CRT_setColors(int colorScheme) {
       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[CPU_IOWAIT] = ColorPair(Yellow,Black);
+      CRT_colors[CPU_IRQ] = A_BOLD | ColorPair(Blue,Black);
+      CRT_colors[CPU_SOFTIRQ] = ColorPair(Blue,Black);
    } else {
       /* Default */
       CRT_colors[RESET_COLOR] = ColorPair(White,Black);
@@ -511,5 +530,8 @@ void CRT_setColors(int colorScheme) {
       CRT_colors[CHECK_BOX] = ColorPair(Cyan,Black);
       CRT_colors[CHECK_MARK] = A_BOLD;
       CRT_colors[CHECK_TEXT] = A_NORMAL;
+      CRT_colors[CPU_IOWAIT] = ColorPair(Cyan,Black);
+      CRT_colors[CPU_IRQ] = ColorPair(Yellow,Black);
+      CRT_colors[CPU_SOFTIRQ] = ColorPair(Magenta,Black);
    }
 }

CRT.h

@@ -95,6 +95,9 @@ typedef enum ColorElements_ {
    CPU_NORMAL,
    CPU_KERNEL,
    HELP_BOLD,
+   CPU_IOWAIT,
+   CPU_IRQ,
+   CPU_SOFTIRQ,
    LAST_COLORELEMENT
 } ColorElements;
 

ChangeLog

@@ -1,4 +1,15 @@
 
+What's new in version 0.6.4
+
+* Add an option to split the display of kernel time
+  in the CPU meter into system, IO-wait, IRQ and soft-IRQ.
+  (thanks to Philipp Richter)
+* --sort-key flag in the command-line, overriding the
+  saved setting in .htoprc for the session.
+  (thanks to Rodolfo Borges)
+* BUGFIX: Fixed string overflow on uptime display.
+  (thanks to Marc Cahalan)
+
 What's new in version 0.6.3
 
 * Performance improvements: uses much less CPU than the

ColumnsPanel.c

@@ -44,6 +44,15 @@ void ColumnsPanel_delete(Object* object) {
    free(this);
 }
 
+int ColumnsPanel_fieldNameToIndex(const char* name) {
+   for (int j = 1; j <= LAST_PROCESSFIELD; j++) {
+      if (String_eq(name, Process_fieldNames[j])) {
+         return j;
+      }
+   }
+   return 0;
+}
+
 void ColumnsPanel_update(Panel* super) {
    ColumnsPanel* this = (ColumnsPanel*) super;
    int size = Panel_getSize(super);
@@ -53,12 +62,9 @@ void ColumnsPanel_update(Panel* super) {
    this->settings->pl->fields = (ProcessField*) malloc(sizeof(ProcessField) * (size+1));
    for (int i = 0; i < size; i++) {
       char* text = ((ListItem*) Panel_get(super, i))->value;
-      for (int j = 1; j <= LAST_PROCESSFIELD; j++) {
-         if (String_eq(text, Process_fieldNames[j])) {
+          int j = ColumnsPanel_fieldNameToIndex(text);
+          if (j > 0)
              this->settings->pl->fields[i] = j;
-            break;
-         }
-      }
    }
    this->settings->pl->fields[size] = 0;
 }

ColumnsPanel.h

@@ -24,6 +24,8 @@ ColumnsPanel* ColumnsPanel_new(Settings* settings, ScreenManager* scr);
 
 void ColumnsPanel_delete(Object* object);
 
+int ColumnsPanel_fieldNameToIndex(const char* name);
+
 void ColumnsPanel_update(Panel* super);
 
 HandlerResult ColumnsPanel_eventHandler(Panel* super, int ch);

DisplayOptionsPanel.c

@@ -38,6 +38,7 @@ DisplayOptionsPanel* DisplayOptionsPanel_new(Settings* settings, ScreenManager*
    Panel_add(super, (Object*) CheckItem_new(String_copy("Highlight program \"basename\""), &(settings->pl->highlightBaseName)));
    Panel_add(super, (Object*) CheckItem_new(String_copy("Highlight megabytes in memory counters"), &(settings->pl->highlightMegabytes)));
    Panel_add(super, (Object*) CheckItem_new(String_copy("Leave a margin around header"), &(settings->header->margin)));
+   Panel_add(super, (Object*) CheckItem_new(String_copy("Split System Time into System/IO-Wait/Hard-IRQ/Soft-IRQ"), &(settings->pl->expandSystemTime)));
    return this;
 }
 

ProcessList.c

@@ -52,6 +52,10 @@ in the source distribution for its full text.
 #define MAX_READ 2048
 #endif
 
+#ifndef PER_PROCESSOR_FIELDS
+#define PER_PROCESSOR_FIELDS 20
+#endif
+
 }*/
 
 /*{
@@ -71,16 +75,27 @@ typedef struct ProcessList_ {
    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* 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* 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 totalMem;
    unsigned long long int usedMem;
@@ -102,6 +117,7 @@ typedef struct ProcessList_ {
    bool treeView;
    bool highlightBaseName;
    bool highlightMegabytes;
+   bool expandSystemTime;
    #ifdef DEBUG
    FILE* traceFile;
    #endif
@@ -173,6 +189,16 @@ 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));
@@ -198,16 +224,9 @@ ProcessList* ProcessList_new(UsersTable* usersTable) {
    } while (String_startsWith(buffer, "cpu"));
    fclose(status);
    this->processorCount = procs - 1;
-   this->totalTime = calloc(procs, sizeof(long long int));
-   this->userTime = calloc(procs, sizeof(long long int));
-   this->systemTime = calloc(procs, sizeof(long long int));
-   this->niceTime = calloc(procs, sizeof(long long int));
-   this->idleTime = calloc(procs, sizeof(long long int));
-   this->totalPeriod = calloc(procs, sizeof(long long int));
-   this->userPeriod = calloc(procs, sizeof(long long int));
-   this->systemPeriod = calloc(procs, sizeof(long long int));
-   this->nicePeriod = calloc(procs, sizeof(long long int));
-   this->idlePeriod = calloc(procs, sizeof(long long int));
+   
+   ProcessList_allocatePerProcessorBuffers(this, procs);
+
    for (int i = 0; i < procs; i++) {
       this->totalTime[i] = 1;
       this->totalPeriod[i] = 1;
@@ -228,6 +247,7 @@ ProcessList* ProcessList_new(UsersTable* usersTable) {
    this->treeView = false;
    this->highlightBaseName = false;
    this->highlightMegabytes = false;
+   this->expandSystemTime = false;
 
    return this;
 }
@@ -238,16 +258,9 @@ void ProcessList_delete(ProcessList* this) {
    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->userTime);
-   free(this->systemTime);
-   free(this->niceTime);
-   free(this->idleTime);
-   free(this->totalPeriod);
-   free(this->userPeriod);
-   free(this->systemPeriod);
-   free(this->nicePeriod);
-   free(this->idlePeriod);
 
    #ifdef DEBUG
    fclose(this->traceFile);
@@ -596,7 +609,7 @@ void ProcessList_processEntries(ProcessList* this, char* dirname, int parent, fl
 }
 
 void ProcessList_scan(ProcessList* this) {
-   unsigned long long int usertime, nicetime, systemtime, idletime, totaltime;
+   unsigned long long int usertime, nicetime, systemtime, systemalltime, idletime, totaltime;
    unsigned long long int swapFree;
 
    FILE* status;
@@ -656,22 +669,37 @@ void ProcessList_scan(ProcessList* this) {
       }
       // Fields existing on kernels >= 2.6
       // (and RHEL's patched kernel 2.4...)
-      systemtime += ioWait + irq + softIrq + steal;
-      totaltime = usertime + nicetime + systemtime + idletime;
+      systemalltime = systemtime + ioWait + irq + softIrq + steal;
+      totaltime = usertime + nicetime + systemalltime + idletime;
       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 (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->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->idleTime[i] = idletime;
+      this->ioWaitTime[i] = ioWait;
+      this->irqTime[i] = irq;
+      this->softIrqTime[i] = softIrq;
+      this->stealTime[i] = steal;
       this->totalTime[i] = totaltime;
    }
    float period = (float)this->totalPeriod[0] / this->processorCount;

ProcessList.h

@@ -54,6 +54,10 @@ in the source distribution for its full text.
 #define MAX_READ 2048
 #endif
 
+#ifndef PER_PROCESSOR_FIELDS
+#define PER_PROCESSOR_FIELDS 20
+#endif
+
 
 
 #ifdef DEBUG
@@ -71,16 +75,27 @@ typedef struct ProcessList_ {
    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* 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* 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 totalMem;
    unsigned long long int usedMem;
@@ -102,6 +117,7 @@ typedef struct ProcessList_ {
    bool treeView;
    bool highlightBaseName;
    bool highlightMegabytes;
+   bool expandSystemTime;
    #ifdef DEBUG
    FILE* traceFile;
    #endif

Settings.c

@@ -139,6 +139,8 @@ bool Settings_read(Settings* this, char* fileName) {
          this->pl->highlightMegabytes = atoi(option[1]);
       } else if (String_eq(option[0], "header_margin")) {
          this->header->margin = atoi(option[1]);
+      } else if (String_eq(option[0], "expand_system_time")) {
+         this->pl->expandSystemTime = atoi(option[1]);
       } else if (String_eq(option[0], "delay")) {
          this->delay = atoi(option[1]);
       } else if (String_eq(option[0], "color_scheme")) {
@@ -195,6 +197,7 @@ bool Settings_write(Settings* this) {
    fprintf(fd, "highlight_megabytes=%d\n", (int) this->pl->highlightMegabytes);
    fprintf(fd, "tree_view=%d\n", (int) this->pl->treeView);
    fprintf(fd, "header_margin=%d\n", (int) this->header->margin);
+   fprintf(fd, "expand_system_time=%d\n", (int) this->pl->expandSystemTime);
    fprintf(fd, "color_scheme=%d\n", (int) this->colorScheme);
    fprintf(fd, "delay=%d\n", (int) this->delay);
    fprintf(fd, "left_meters=");

String.c

@@ -96,7 +96,7 @@ void String_printPointer(void* p) {
    printf("%p", p);
 }
 
-inline int String_eq(char* s1, char* s2) {
+inline int String_eq(const char* s1, const char* s2) {
    if (s1 == NULL || s2 == NULL) {
       if (s1 == NULL && s2 == NULL)
          return 1;

String.h

@@ -39,7 +39,7 @@ void String_printInt(int i);
 
 void String_printPointer(void* p);
 
-inline int String_eq(char* s1, char* s2);
+inline int String_eq(const char* s1, const char* s2);
 
 char** String_split(char* s, char sep);
 

TraceScreen.c

@@ -165,4 +165,5 @@ void TraceScreen_run(TraceScreen* this) {
    kill(child, SIGTERM);
    waitpid(child, NULL, 0);
    fclose(strace);
+   CRT_enableDelay();
 }

UptimeMeter.c

@@ -44,7 +44,7 @@ void UptimeMeter_setValues(Meter* this, char* buffer, int len) {
    if (days > this->total) {
       this->total = days;
    }
-   char daysbuf[10];
+   char daysbuf[15];
    if (days > 100) {
       sprintf(daysbuf, "%d days(!), ", days);
    } else if (days > 1) {

configure.ac

@@ -2,7 +2,7 @@
 # Process this file with autoconf to produce a configure script.
 
 AC_PREREQ(2.57)
-AC_INIT([htop],[0.6.3],[loderunner@users.sourceforge.net])
+AC_INIT([htop],[0.6.4],[loderunner@users.sourceforge.net])
 AM_INIT_AUTOMAKE
 AC_CONFIG_SRCDIR([htop.c])
 AC_CONFIG_HEADER([config.h])

htop.1

@@ -1,4 +1,4 @@
-.TH "htop" "1" "0.6.3" "Bartosz Fenski <fenio@o2.pl>" "Utils"
+.TH "htop" "1" "0.6.4" "Bartosz Fenski <fenio@o2.pl>" "Utils"
 .SH "NAME"
 htop \- interactive process viewer
 .SH "SYNTAX"

htop.c

@@ -46,12 +46,13 @@ void printHelpFlag() {
    printf("Released under the GNU GPL.\n\n");
    printf("-d DELAY     Delay between updates, in tenths of seconds\n\n");
    printf("-u USERNAME  Show only processes of a given user\n\n");
+   printf("--sort-key COLUMN  Sort by this column (use --sort-key help for a column list)\n\n");
    printf("Press F1 inside htop for online help.\n");
    printf("See the man page for full information.\n\n");
    exit(0);
 }
 
-void showHelp() {
+void showHelp(ProcessList* pl) {
    clear();
    attrset(CRT_colors[HELP_BOLD]);
    mvaddstr(0, 0, "htop " VERSION " - (C) 2004-2006 Hisham Muhammad.");
@@ -61,10 +62,20 @@ void showHelp() {
    mvaddstr(3, 0, "CPU usage bar: ");
    #define addattrstr(a,s) attrset(a);addstr(s)
    addattrstr(CRT_colors[BAR_BORDER], "[");
+   if (pl->expandSystemTime) {
+      addattrstr(CRT_colors[CPU_NICE], "low"); addstr("/");
+      addattrstr(CRT_colors[CPU_NORMAL], "normal"); addstr("/");
+      addattrstr(CRT_colors[CPU_KERNEL], "kernel"); addstr("/");
+      addattrstr(CRT_colors[CPU_IOWAIT], "io-wait"); addstr("/");
+      addattrstr(CRT_colors[CPU_IRQ], "irq"); addstr("/");
+      addattrstr(CRT_colors[CPU_SOFTIRQ], "soft-irq");
+      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[BAR_BORDER], "]");
    attrset(CRT_colors[DEFAULT_COLOR]);
    mvaddstr(4, 0, "Memory bar:    ");
@@ -81,7 +92,7 @@ void showHelp() {
    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 is configurable in the setup screen.");
+   mvaddstr(6,0, "Type and layout of header meters are configurable in the setup screen.");
 
    mvaddstr( 8, 0, " Arrows: scroll process list             F5 t: tree view");
    mvaddstr( 9, 0, " Digits: incremental PID search             u: show processes of a single user");
@@ -194,12 +205,25 @@ int main(int argc, char** argv) {
    int delay = -1;
    bool userOnly = false;
    uid_t userId = 0;
+   int sortKey = 0;
 
    if (argc > 0) {
       if (String_eq(argv[1], "--help")) {
          printHelpFlag();
       } else if (String_eq(argv[1], "--version")) {
          printVersionFlag();
+      } else if (String_eq(argv[1], "--sort-key")) {
+         if (argc < 2) printHelpFlag();
+            if (String_eq(argv[2], "help")) {
+            for (int j = 1; j < LAST_PROCESSFIELD; j++)
+               printf ("%s\n", Process_fieldNames[j]);
+            exit(0);
+         }
+         sortKey = ColumnsPanel_fieldNameToIndex(argv[2]);
+         if (sortKey == -1) {
+            fprintf(stderr, "Error: invalid column \"%s\".\n", argv[2]);
+            exit(1);
+         }
       } else if (String_eq(argv[1], "-d")) {
          if (argc < 2) printHelpFlag();
          sscanf(argv[2], "%d", &delay);
@@ -237,6 +261,10 @@ int main(int argc, char** argv) {
    
    Header* header = Header_new(pl);
    settings = Settings_new(pl, header);
+   if (sortKey > 0) {
+      pl->sortKey = sortKey;
+      pl->treeView = false;
+   }
    int headerHeight = Header_calculateHeight(header);
 
    // FIXME: move delay code to settings
@@ -455,7 +483,7 @@ int main(int argc, char** argv) {
       case KEY_F(1):
       case 'h':
       {
-         showHelp();
+         showHelp(pl);
          FunctionBar_draw(defaultBar, NULL);
          refreshTimeout = 0;
          break;

htop.desktop

@@ -1,6 +1,6 @@
 [Desktop Entry]
 Encoding=UTF-8
-Version=0.6.3
+Version=0.6.4
 Name=Htop
 Type=Application
 Comment=Show System Processes