Linux: add IRQ PSI meter

The linux kernel recently gained a new PSI meter, namely
a new /proc/pressure/irq meter has been added [1]:

    full avg10=0.00 avg60=0.00 avg300=0.00 total=100648410

This commit adds support for this PSI meter by adding a
PressureStallIRQFullMeter_class.

[1] https://github.com/torvalds/linux/commit/52b1364ba0b105122d6de0e719b36db705011ac1

1 files changed, 19 insertions, 0 deletions

diff --git a/linux/PressureStallMeter.c b/linux/PressureStallMeter.c
index e5089fcc..c4f534ea 100644
--- a/linux/PressureStallMeter.c
+++ b/linux/PressureStallMeter.c
@@ -31,6 +31,8 @@ static void PressureStallMeter_updateValues(Meter* this) {
       file = "cpu";
    } else if (strstr(Meter_name(this), "IO")) {
       file = "io";
+   } else if (strstr(Meter_name(this), "IRQ")) {
+      file = "irq";
    } else {
       file = "memory";
    }
@@ -114,6 +116,23 @@ const MeterClass PressureStallIOFullMeter_class = {
    .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),