From 9b88197cdce7757438c0558c99c3e3ee87a0e2fc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Tim=20R=C3=BChsen?= <tim.ruhsen@elastic.co>
Date: Fri, 29 Nov 2024 18:59:23 +0100
Subject: [PATCH] [Profiling] Switch to 19Hz sampling frequency (#202278)

With 9.0.0, profiling switches to 19Hz default sampling frequency.
---
 .../hooks/use_calculate_impact_estimates.test.ts     | 12 ++++++------
 .../public/hooks/use_calculate_impact_estimates.ts   |  2 +-
 2 files changed, 7 insertions(+), 7 deletions(-)

diff --git a/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.test.ts b/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.test.ts
index 1c4017a468eae..4bb49fcf8ac55 100644
--- a/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.test.ts
+++ b/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.test.ts
@@ -40,9 +40,9 @@ describe('useCalculateImpactEstimate', () => {
   it('calculates impact when countExclusive is lower than countInclusive', () => {
     const calculateImpactEstimates = useCalculateImpactEstimate();
     const { selfCPU, totalCPU, totalSamples } = calculateImpactEstimates({
-      countExclusive: 500,
-      countInclusive: 1000,
-      totalSamples: 10000,
+      countExclusive: 475,
+      countInclusive: 950,
+      totalSamples: 9500,
       totalSeconds: 15 * 60, // 15m
     });
 
@@ -68,9 +68,9 @@ describe('useCalculateImpactEstimate', () => {
   it('calculates impact', () => {
     const calculateImpactEstimates = useCalculateImpactEstimate();
     const { selfCPU, totalCPU, totalSamples } = calculateImpactEstimates({
-      countExclusive: 1000,
-      countInclusive: 1000,
-      totalSamples: 10000,
+      countExclusive: 950,
+      countInclusive: 950,
+      totalSamples: 9500,
       totalSeconds: 15 * 60, // 15m
     });
 
diff --git a/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.ts b/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.ts
index d148e0cc262dd..a56f8c96d95db 100644
--- a/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.ts
+++ b/x-pack/plugins/observability_solution/profiling/public/hooks/use_calculate_impact_estimates.ts
@@ -28,7 +28,7 @@ export function useCalculateImpactEstimate() {
     totalSeconds: number;
   }) {
     const annualizedScaleUp = ANNUAL_SECONDS / totalSeconds;
-    const totalCoreSeconds = totalSamples / 20;
+    const totalCoreSeconds = totalSamples / 19;
     const percentage = samples / totalSamples;
     const coreSeconds = totalCoreSeconds * percentage;
     const annualizedCoreSeconds = coreSeconds * annualizedScaleUp;