1 files changed, 136 insertions, 0 deletions
diff --git a/LoadAverageMeter.c b/LoadAverageMeter.c
new file mode 100644
index 0000000..30c58bb
--- /dev/null
+++ b/LoadAverageMeter.c
@@ -0,0 +1,136 @@
+/*
+htop - LoadAverageMeter.c
+(C) 2004-2011 Hisham H. Muhammad
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "LoadAverageMeter.h"
+
+#include "CRT.h"
+#include "Machine.h"
+#include "Object.h"
+#include "Platform.h"
+#include "RichString.h"
+#include "XUtils.h"
+
+
+static const int LoadAverageMeter_attributes[] = {
+   LOAD_AVERAGE_ONE,
+   LOAD_AVERAGE_FIVE,
+   LOAD_AVERAGE_FIFTEEN
+};
+
+static const int LoadMeter_attributes[] = {
+   LOAD
+};
+
+static const int OK_attributes[] = {
+   METER_VALUE_OK
+};
+
+static const int Medium_attributes[] = {
+   METER_VALUE_WARN
+};
+
+static const int High_attributes[] = {
+   METER_VALUE_ERROR
+};
+
+static void LoadAverageMeter_updateValues(Meter* this) {
+   Platform_getLoadAverage(&this->values[0], &this->values[1], &this->values[2]);
+
+   // only show bar for 1min value
+   this->curItems = 1;
+
+   // change bar color and total based on value
+   if (this->values[0] < 1.0) {
+      this->curAttributes = OK_attributes;
+      this->total = 1.0;
+   } else if (this->values[0] < this->host->activeCPUs) {
+      this->curAttributes = Medium_attributes;
+      this->total = this->host->activeCPUs;
+   } else {
+      this->curAttributes = High_attributes;
+      this->total = 2 * this->host->activeCPUs;
+   }
+
+   xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%.2f/%.2f/%.2f", this->values[0], this->values[1], this->values[2]);
+}
+
+static void LoadAverageMeter_display(const Object* cast, RichString* out) {
+   const Meter* this = (const Meter*)cast;
+   char buffer[20];
+   int len;
+
+   len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[0]);
+   RichString_appendnAscii(out, CRT_colors[LOAD_AVERAGE_ONE], buffer, len);
+   len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[1]);
+   RichString_appendnAscii(out, CRT_colors[LOAD_AVERAGE_FIVE], buffer, len);
+   len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[2]);
+   RichString_appendnAscii(out, CRT_colors[LOAD_AVERAGE_FIFTEEN], buffer, len);
+}
+
+static void LoadMeter_updateValues(Meter* this) {
+   double five, fifteen;
+   Platform_getLoadAverage(&this->values[0], &five, &fifteen);
+
+   // change bar color and total based on value
+   if (this->values[0] < 1.0) {
+      this->curAttributes = OK_attributes;
+      this->total = 1.0;
+   } else if (this->values[0] < this->host->activeCPUs) {
+      this->curAttributes = Medium_attributes;
+      this->total = this->host->activeCPUs;
+   } else {
+      this->curAttributes = High_attributes;
+      this->total = 2 * this->host->activeCPUs;
+   }
+
+   xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%.2f", this->values[0]);
+}
+
+static void LoadMeter_display(const Object* cast, RichString* out) {
+   const Meter* this = (const Meter*)cast;
+   char buffer[20];
+   int len;
+
+   len = xSnprintf(buffer, sizeof(buffer), "%.2f ", this->values[0]);
+   RichString_appendnAscii(out, CRT_colors[LOAD], buffer, len);
+}
+
+const MeterClass LoadAverageMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = LoadAverageMeter_display,
+   },
+   .updateValues = LoadAverageMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = LoadAverageMeter_attributes,
+   .name = "LoadAverage",
+   .uiName = "Load average",
+   .description = "Load averages: 1 minute, 5 minutes, 15 minutes",
+   .caption = "Load average: "
+};
+
+const MeterClass LoadMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = LoadMeter_display,
+   },
+   .updateValues = LoadMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 1,
+   .total = 100.0,
+   .attributes = LoadMeter_attributes,
+   .name = "Load",
+   .uiName = "Load",
+   .description = "Load: average of ready processes in the last minute",
+   .caption = "Load: "
+};