1 files changed, 170 insertions, 0 deletions
diff --git a/linux/PressureStallMeter.c b/linux/PressureStallMeter.c
new file mode 100644
index 0000000..f796247
--- /dev/null
+++ b/linux/PressureStallMeter.c
@@ -0,0 +1,170 @@
+/*
+htop - PressureStallMeter.c
+(C) 2004-2011 Hisham H. Muhammad
+(C) 2019 Ran Benita
+Released under the GNU GPLv2+, see the COPYING file
+in the source distribution for its full text.
+*/
+
+#include "config.h" // IWYU pragma: keep
+
+#include "linux/PressureStallMeter.h"
+
+#include <stdbool.h>
+#include <string.h>
+
+#include "CRT.h"
+#include "Meter.h"
+#include "Object.h"
+#include "Platform.h"
+#include "RichString.h"
+#include "XUtils.h"
+
+
+static const int PressureStallMeter_attributes[] = {
+   PRESSURE_STALL_TEN,
+   PRESSURE_STALL_SIXTY,
+   PRESSURE_STALL_THREEHUNDRED
+};
+
+static void PressureStallMeter_updateValues(Meter* this) {
+   const char* file;
+   if (strstr(Meter_name(this), "CPU")) {
+      file = "cpu";
+   } else if (strstr(Meter_name(this), "IO")) {
+      file = "io";
+   } else if (strstr(Meter_name(this), "IRQ")) {
+      file = "irq";
+   } else {
+      file = "memory";
+   }
+
+   bool some;
+   if (strstr(Meter_name(this), "Some")) {
+      some = true;
+   } else {
+      some = false;
+   }
+
+   Platform_getPressureStall(file, some, &this->values[0], &this->values[1], &this->values[2]);
+
+   /* only print bar for ten (not sixty and threehundred), cause the sum is meaningless */
+   this->curItems = 1;
+
+   xSnprintf(this->txtBuffer, sizeof(this->txtBuffer), "%s %s %5.2lf%% %5.2lf%% %5.2lf%%", some ? "some" : "full", file, this->values[0], this->values[1], this->values[2]);
+}
+
+static void PressureStallMeter_display(const Object* cast, RichString* out) {
+   const Meter* this = (const Meter*)cast;
+   char buffer[20];
+   int len;
+
+   len = xSnprintf(buffer, sizeof(buffer), "%5.2lf%% ", this->values[0]);
+   RichString_appendnAscii(out, CRT_colors[PRESSURE_STALL_TEN], buffer, len);
+   len = xSnprintf(buffer, sizeof(buffer), "%5.2lf%% ", this->values[1]);
+   RichString_appendnAscii(out, CRT_colors[PRESSURE_STALL_SIXTY], buffer, len);
+   len = xSnprintf(buffer, sizeof(buffer), "%5.2lf%% ", this->values[2]);
+   RichString_appendnAscii(out, CRT_colors[PRESSURE_STALL_THREEHUNDRED], buffer, len);
+}
+
+const MeterClass PressureStallCPUSomeMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = PressureStallMeter_display,
+   },
+   .updateValues = PressureStallMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = PressureStallMeter_attributes,
+   .name = "PressureStallCPUSome",
+   .uiName = "PSI some CPU",
+   .caption = "PSI some CPU:    ",
+   .description = "Pressure Stall Information, some cpu"
+};
+
+const MeterClass PressureStallIOSomeMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = PressureStallMeter_display,
+   },
+   .updateValues = PressureStallMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = PressureStallMeter_attributes,
+   .name = "PressureStallIOSome",
+   .uiName = "PSI some IO",
+   .caption = "PSI some IO:     ",
+   .description = "Pressure Stall Information, some io"
+};
+
+const MeterClass PressureStallIOFullMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = PressureStallMeter_display,
+   },
+   .updateValues = PressureStallMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = PressureStallMeter_attributes,
+   .name = "PressureStallIOFull",
+   .uiName = "PSI full IO",
+   .caption = "PSI full IO:     ",
+   .description = "Pressure Stall Information, full io"
+};
+
+const MeterClass PressureStallIRQFullMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = PressureStallMeter_display,
+   },
+   .updateValues = PressureStallMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = PressureStallMeter_attributes,
+   .name = "PressureStallIRQFull",
+   .uiName = "PSI full IRQ",
+   .caption = "PSI full IRQ:    ",
+   .description = "Pressure Stall Information, full irq"
+};
+
+const MeterClass PressureStallMemorySomeMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = PressureStallMeter_display,
+   },
+   .updateValues = PressureStallMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = PressureStallMeter_attributes,
+   .name = "PressureStallMemorySome",
+   .uiName = "PSI some memory",
+   .caption = "PSI some memory: ",
+   .description = "Pressure Stall Information, some memory"
+};
+
+const MeterClass PressureStallMemoryFullMeter_class = {
+   .super = {
+      .extends = Class(Meter),
+      .delete = Meter_delete,
+      .display = PressureStallMeter_display,
+   },
+   .updateValues = PressureStallMeter_updateValues,
+   .defaultMode = TEXT_METERMODE,
+   .maxItems = 3,
+   .total = 100.0,
+   .attributes = PressureStallMeter_attributes,
+   .name = "PressureStallMemoryFull",
+   .uiName = "PSI full memory",
+   .caption = "PSI full memory: ",
+   .description = "Pressure Stall Information, full memory"
+};