[Profiling] Switch to 19Hz sampling frequency (#117757)

* [Profiling] Switch to 19Hz sampling frequency

* Fix internalClusterTest

Author: rockdaboot

x-pack/plugin/profiling/src/internalClusterTest/java/org/elasticsearch/xpack/profiling/action/GetStackTracesActionIT.java

@@ -46,8 +46,8 @@ public void testGetStackTracesUnfiltered() throws Exception {
         assertEquals(18, stackTrace.fileIds.length);
         assertEquals(18, stackTrace.frameIds.length);
         assertEquals(18, stackTrace.typeIds.length);
-        assertEquals(0.0000048475146d, stackTrace.annualCO2Tons, 0.0000000001d);
-        assertEquals(0.18834d, stackTrace.annualCostsUSD, 0.00001d);
+        assertEquals(0.0000051026469d, stackTrace.annualCO2Tons, 0.0000000001d);
+        assertEquals(0.19825d, stackTrace.annualCostsUSD, 0.00001d);
         // not determined by default
         assertNull(stackTrace.subGroups);
 
@@ -91,8 +91,8 @@ public void testGetStackTracesGroupedByServiceName() throws Exception {
         assertEquals(18, stackTrace.fileIds.length);
         assertEquals(18, stackTrace.frameIds.length);
         assertEquals(18, stackTrace.typeIds.length);
-        assertEquals(0.0000048475146d, stackTrace.annualCO2Tons, 0.0000000001d);
-        assertEquals(0.18834d, stackTrace.annualCostsUSD, 0.00001d);
+        assertEquals(0.0000051026469d, stackTrace.annualCO2Tons, 0.0000000001d);
+        assertEquals(0.19825d, stackTrace.annualCostsUSD, 0.00001d);
         assertEquals(Long.valueOf(2L), stackTrace.subGroups.getCount("basket"));
 
         assertNotNull(response.getStackFrames());

x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/CO2Calculator.java

@@ -12,7 +12,7 @@
 import java.util.Map;
 
 final class CO2Calculator {
-    private static final double DEFAULT_SAMPLING_FREQUENCY = 20.0d;
+    private static final double DEFAULT_SAMPLING_FREQUENCY = 19.0d;
     private static final double DEFAULT_CO2_TONS_PER_KWH = 0.000379069d; // unit: metric tons / kWh
     private static final double DEFAULT_KILOWATTS_PER_CORE_X86 = 7.0d / 1000.0d; // unit: watt / core
     private static final double DEFAULT_KILOWATTS_PER_CORE_ARM64 = 2.8d / 1000.0d; // unit: watt / core

x-pack/plugin/profiling/src/main/java/org/elasticsearch/xpack/profiling/action/CostCalculator.java

@@ -10,7 +10,7 @@
 import java.util.Map;
 
 final class CostCalculator {
-    private static final double DEFAULT_SAMPLING_FREQUENCY = 20.0d;
+    private static final double DEFAULT_SAMPLING_FREQUENCY = 19.0d;
     private static final double SECONDS_PER_HOUR = 60 * 60;
     private static final double SECONDS_PER_YEAR = SECONDS_PER_HOUR * 24 * 365.0d; // unit: seconds
     public static final double DEFAULT_COST_USD_PER_CORE_HOUR = 0.0425d; // unit: USD / (core * hour)

x-pack/plugin/profiling/src/test/java/org/elasticsearch/xpack/profiling/action/CO2CalculatorTests.java

@@ -73,7 +73,7 @@ public void testCreateFromRegularSource() {
 
         double samplingDurationInSeconds = 1_800.0d; // 30 minutes
         long samples = 100_000L; // 100k samples
-        double annualCoreHours = CostCalculator.annualCoreHours(samplingDurationInSeconds, samples, 20.0d);
+        double annualCoreHours = CostCalculator.annualCoreHours(samplingDurationInSeconds, samples, 19.0d);
         CO2Calculator co2Calculator = new CO2Calculator(hostsTable, samplingDurationInSeconds, null, null, null, null);
 
         checkCO2Calculation(co2Calculator.getAnnualCO2Tons(HOST_ID_A, samples), annualCoreHours, 1.135d, 0.0002786d, 7.0d);
@@ -110,7 +110,7 @@ public void testCreateFromMalformedSource() {
 
         double samplingDurationInSeconds = 1_800.0d; // 30 minutes
         long samples = 100_000L; // 100k samples
-        double annualCoreHours = CostCalculator.annualCoreHours(samplingDurationInSeconds, samples, 20.0d);
+        double annualCoreHours = CostCalculator.annualCoreHours(samplingDurationInSeconds, samples, 19.0d);
         CO2Calculator co2Calculator = new CO2Calculator(hostsTable, samplingDurationInSeconds, null, null, null, null);
 
         checkCO2Calculation(co2Calculator.getAnnualCO2Tons(HOST_ID_A, samples), annualCoreHours, 1.135d, 0.0002786d, 7.0d);

x-pack/plugin/profiling/src/test/java/org/elasticsearch/xpack/profiling/action/CostCalculatorTests.java

@@ -63,7 +63,7 @@ public void testCreateFromRegularSource() {
 
         double samplingDurationInSeconds = 1_800.0d; // 30 minutes
         long samples = 100_000L; // 100k samples
-        double annualCoreHours = CostCalculator.annualCoreHours(samplingDurationInSeconds, samples, 20.0d);
+        double annualCoreHours = CostCalculator.annualCoreHours(samplingDurationInSeconds, samples, 19.0d);
         CostCalculator costCalculator = new CostCalculator(hostsTable, samplingDurationInSeconds, null, null, null);
 
         // Checks whether the cost calculation is based on the lookup data.