diff --git a/x-pack/plugins/observability_solution/profiling/e2e/cypress/e2e/profiling_views/functions.cy.ts b/x-pack/plugins/observability_solution/profiling/e2e/cypress/e2e/profiling_views/functions.cy.ts
index 3fc0c535639ee2..4c42069188b3a7 100644
--- a/x-pack/plugins/observability_solution/profiling/e2e/cypress/e2e/profiling_views/functions.cy.ts
+++ b/x-pack/plugins/observability_solution/profiling/e2e/cypress/e2e/profiling_views/functions.cy.ts
@@ -36,8 +36,8 @@ describe('Functions page', () => {
     const firstRowSelector = '[data-grid-row-index="0"] [data-test-subj="dataGridRowCell"]';
     cy.get(firstRowSelector).eq(1).contains('1');
     cy.get(firstRowSelector).eq(2).contains('vmlinux');
-    cy.get(firstRowSelector).eq(3).contains('0.16%');
-    cy.get(firstRowSelector).eq(4).contains('0.16%');
+    cy.get(firstRowSelector).eq(3).contains('5.46%');
+    cy.get(firstRowSelector).eq(4).contains('5.46%');
     cy.get(firstRowSelector).eq(5).contains('3.97 lbs / 1.8 kg');
     cy.get(firstRowSelector).eq(6).contains('$17.37');
     cy.get(firstRowSelector).eq(7).contains('28');
@@ -56,8 +56,8 @@ describe('Functions page', () => {
       { parentKey: 'informationRows', key: 'executable', value: 'vmlinux' },
       { parentKey: 'informationRows', key: 'function', value: 'N/A' },
       { parentKey: 'informationRows', key: 'sourceFile', value: 'N/A' },
-      { parentKey: 'impactEstimates', key: 'totalCPU', value: '0.16%' },
-      { parentKey: 'impactEstimates', key: 'selfCPU', value: '0.16%' },
+      { parentKey: 'impactEstimates', key: 'totalCPU', value: '5.46%' },
+      { parentKey: 'impactEstimates', key: 'selfCPU', value: '5.46%' },
       { parentKey: 'impactEstimates', key: 'samples', value: '28' },
       { parentKey: 'impactEstimates', key: 'selfSamples', value: '28' },
       { parentKey: 'impactEstimates', key: 'coreSeconds', value: '1.4 seconds' },
@@ -118,7 +118,7 @@ describe('Functions page', () => {
         columnIndex: 3,
         highRank: 1,
         lowRank: 389,
-        highValue: '0.16%',
+        highValue: '5.46%',
         lowValue: '0.00%',
       },
       {
@@ -126,8 +126,8 @@ describe('Functions page', () => {
         columnIndex: 4,
         highRank: 693,
         lowRank: 44,
-        highValue: '1.80%',
-        lowValue: '0.01%',
+        highValue: '60.43%',
+        lowValue: '0.19%',
       },
       {
         columnKey: 'annualizedCo2',
diff --git a/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.test.ts b/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.test.ts
index c7598f55acb0ba..9142427790450a 100644
--- a/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.test.ts
+++ b/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.test.ts
@@ -46,7 +46,7 @@ describe('Top N functions: Utils', () => {
       expect(getTotalCount()).toEqual(0);
     });
     it('returns value from topNFunctions', () => {
-      expect(getTotalCount({ TotalCount: 10 } as TopNFunctions)).toEqual(10);
+      expect(getTotalCount({ selfCPU: 10 } as TopNFunctions)).toEqual(10);
     });
   });
 });
diff --git a/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.ts b/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.ts
index 74f63f1dd56892..6cb68bd54f1534 100644
--- a/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.ts
+++ b/x-pack/plugins/observability_solution/profiling/public/components/topn_functions/utils.ts
@@ -32,7 +32,7 @@ export function scaleValue({ value, scaleFactor = 1 }: { value: number; scaleFac
   return value * scaleFactor;
 }
 
-export const getTotalCount = (topNFunctions?: TopNFunctions) => topNFunctions?.TotalCount ?? 0;
+export const getTotalCount = (topNFunctions?: TopNFunctions) => topNFunctions?.selfCPU ?? 0;
 
 export interface IFunctionRow {
   id: string;
@@ -95,15 +95,15 @@ export function getFunctionsRows({
       scaleFactor: baselineScaleFactor,
     });
 
-    const totalCPUPerc = (topN.CountInclusive / topNFunctions.TotalCount) * 100;
-    const selfCPUPerc = (topN.CountExclusive / topNFunctions.TotalCount) * 100;
+    const totalCPUPerc = (topN.CountInclusive / topNFunctions.selfCPU) * 100;
+    const selfCPUPerc = (topN.CountExclusive / topNFunctions.selfCPU) * 100;
 
     const impactEstimates =
       totalSeconds > 0
         ? calculateImpactEstimates({
             countExclusive: topN.CountExclusive,
             countInclusive: topN.CountInclusive,
-            totalSamples: topNFunctions.TotalCount,
+            totalSamples: topNFunctions.selfCPU,
             totalSeconds,
           })
         : undefined;
@@ -124,10 +124,9 @@ export function getFunctionsRows({
           selfCPU: comparisonRow.CountExclusive,
           totalCPU: comparisonRow.CountInclusive,
           selfCPUPerc:
-            selfCPUPerc - (comparisonRow.CountExclusive / comparisonTopNFunctions.TotalCount) * 100,
+            selfCPUPerc - (comparisonRow.CountExclusive / comparisonTopNFunctions.selfCPU) * 100,
           totalCPUPerc:
-            totalCPUPerc -
-            (comparisonRow.CountInclusive / comparisonTopNFunctions.TotalCount) * 100,
+            totalCPUPerc - (comparisonRow.CountInclusive / comparisonTopNFunctions.selfCPU) * 100,
           selfAnnualCO2kgs: comparisonRow.selfAnnualCO2kgs,
           selfAnnualCostUSD: comparisonRow.selfAnnualCostUSD,
           totalAnnualCO2kgs: comparisonRow.totalAnnualCO2kgs,