diff a/test/hotspot/jtreg/premain/bench_data/bench.20250930-2cpu.txt b/test/hotspot/jtreg/premain/bench_data/bench.20250930-2cpu.txt
--- /dev/null
+++ b/test/hotspot/jtreg/premain/bench_data/bench.20250930-2cpu.txt
@@ -0,0 +1,322 @@
+Raw data generated by iklam on Tue Sep 30 10:51:44 AM PDT 2025
+
+HOWTO: https://github.com/openjdk/leyden/blob/8a1fc0c9f8a6825540ee40c951eed5bf4ee74b7e/README.md#5-benchmarking
+
++ bash -c 'cat /proc/cpuinfo | egrep "(vendor_id)|(model name)" | head -2'
+vendor_id	: GenuineIntel
+model name	: Intel(R) Core(TM) i7-14700
++ bash -c 'cat /proc/cpuinfo | egrep "(processor)" | tail -1'
+processor	: 27
++ bash -c 'cat /proc/meminfo | head -1'
+MemTotal:       63420144 kB
+
++ cat /etc/lsb-release
+DISTRIB_ID=Ubuntu
+DISTRIB_RELEASE=24.04
+DISTRIB_CODENAME=noble
+DISTRIB_DESCRIPTION="Ubuntu 24.04.1 LTS"
+
++ bash -c '$BLDJDK_HOME/bin/java --version'
+java 24 2025-03-18
+Java(TM) SE Runtime Environment (build 24+36-3646)
+Java HotSpot(TM) 64-Bit Server VM (build 24+36-3646, mixed mode, sharing)
+
++ bash -c '$MAINLINE_HOME/bin/java --version'
+java 25 2025-09-16 LTS
+Java(TM) SE Runtime Environment (build 25+37-LTS-3491)
+Java HotSpot(TM) 64-Bit Server VM (build 25+37-LTS-3491, mixed mode, sharing)
+
++ bash -c '$PREMAIN_HOME/bin/java --version'
+java 26-internal 2026-03-17
+Java(TM) SE Runtime Environment (build 26-internal-adhoc.iklam.le4)
+Java HotSpot(TM) 64-Bit Server VM (build 26-internal-adhoc.iklam.le4, mixed mode, sharing)
+PREMAIN_HOME: built from https://github.com/openjdk/leyden/commit/8a1fc0c9f8a6825540ee40c951eed5bf4ee74b7e
+
+------------------------------------------------------------
++ bash -c 'cd helidon-quickstart-se; make bench'
+rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* *.aot *.aotconf
+rm -f mainline_vs_premain.csv
+run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
+1,310,206,157,66
+2,325,185,142,75
+3,301,171,153,87
+4,307,191,143,75
+5,323,169,123,70
+6,342,159,135,75
+7,358,204,142,81
+8,299,193,156,75
+9,298,197,147,83
+10,281,166,145,79
+Geomean,313.66,183.41,143.96,76.38 (4.11x improvement)
+Stdev,21.74,15.90,9.66,5.83
+Markdown snippets in mainline_vs_premain.md
++ bash -c 'cat helidon-quickstart-se/mainline_vs_premain.md'
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (ms, smaller is better)" 0 --> 313.66
+    bar [313.66, 183.41, 143.96, 76.38]
+```
+
+-----------------Normalized---------------------------------------------
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
+    bar [1000, 585, 459, 244]
+```
+
+------------------------------------------------------------
++ bash -c 'cd javac_bench; make bench'
+rm -f  *.class *.jar tmp.txt
+rm -f mainline_vs_premain.csv
+run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
+1,725,615,488,235
+2,765,656,471,260
+3,791,657,497,237
+4,804,621,569,255
+5,733,646,504,243
+6,783,687,502,249
+7,790,648,493,239
+8,805,643,583,244
+9,785,702,597,240
+10,749,661,517,233
+Geomean,772.52,653.12,520.48,243.36 (3.17x improvement)
+Stdev,27.18,25.07,41.87,8.32
+Markdown snippets in mainline_vs_premain.md
++ bash -c 'cat javac_bench/mainline_vs_premain.md'
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (ms, smaller is better)" 0 --> 772.52
+    bar [772.52, 653.12, 520.48, 243.36]
+```
+
+-----------------Normalized---------------------------------------------
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
+    bar [1000, 845, 674, 315]
+```
+
+------------------------------------------------------------
++ bash -c 'cd micronaut-first-app; make bench'
+rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* *.aot *.aotconf
+rm -f mainline_vs_premain.csv
+run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
+1,412,171,162,83
+2,415,183,157,93
+3,436,188,165,87
+4,456,202,137,87
+5,435,190,145,91
+6,455,202,122,90
+7,411,201,164,83
+8,439,192,164,87
+9,415,174,159,88
+10,437,189,159,90
+Geomean,430.80,188.91,152.75,87.85 (4.90x improvement)
+Stdev,16.17,10.38,13.54,3.08
+Markdown snippets in mainline_vs_premain.md
++ bash -c 'cat micronaut-first-app/mainline_vs_premain.md'
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (ms, smaller is better)" 0 --> 430.80
+    bar [430.80, 188.91, 152.75, 87.85]
+```
+
+-----------------Normalized---------------------------------------------
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
+    bar [1000, 439, 355, 204]
+```
+
+------------------------------------------------------------
++ bash -c 'cd quarkus-getting-started; make bench'
+rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* *.aot *.aotconf
+rm -f mainline_vs_premain.csv
+run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
+1,377,196,207,102
+2,392,232,197,106
+3,394,207,183,107
+4,408,218,191,104
+5,399,193,199,104
+6,402,187,203,101
+7,405,207,195,109
+8,402,196,196,113
+9,394,203,190,109
+10,396,197,205,108
+Geomean,396.81,203.22,196.47,106.24 (3.74x improvement)
+Stdev,8.26,12.59,6.99,3.47
+Markdown snippets in mainline_vs_premain.md
++ bash -c 'cat quarkus-getting-started/mainline_vs_premain.md'
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (ms, smaller is better)" 0 --> 396.81
+    bar [396.81, 203.22, 196.47, 106.24]
+```
+
+-----------------Normalized---------------------------------------------
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
+    bar [1000, 512, 495, 268]
+```
+
+------------------------------------------------------------
++ bash -c 'cd spring-boot-getting-started; make bench'
+rm -f *.cds *.cds.code *.classlist *.jsa *~ *.log *.log.* hs_err_* tmp.txt *.aot *.aotconf
+rm -f mainline_vs_premain.csv
+run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
+1,644,429,387,161
+2,684,411,347,134
+3,693,408,347,138
+4,673,416,359,165
+5,740,421,320,138
+6,667,389,318,144
+7,665,417,394,136
+8,683,389,346,140
+9,702,434,338,152
+10,598,378,343,130
+Geomean,673.96,408.82,349.13,143.38 (4.70x improvement)
+Stdev,35.33,17.46,23.53,11.14
+Markdown snippets in mainline_vs_premain.md
++ bash -c 'cat spring-boot-getting-started/mainline_vs_premain.md'
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (ms, smaller is better)" 0 --> 673.96
+    bar [673.96, 408.82, 349.13, 143.38]
+```
+
+-----------------Normalized---------------------------------------------
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
+    bar [1000, 607, 518, 213]
+```
+
+------------------------------------------------------------
++ bash -c 'cd spring-petclinic; make bench'
+rm -f spring-petclinic.* *.aot *.aotconf
+rm -f mainline_vs_premain.csv
+run,mainline default,mainline custom static cds,mainline aot cache,premain aot cache
+1,2824,1863,1691,909
+2,2796,1810,1674,911
+3,2915,1782,1670,928
+4,2834,1824,1552,932
+5,2907,1795,1593,939
+6,2822,1788,1606,1012
+7,2748,1782,1625,964
+8,2903,1781,1547,931
+9,2852,1722,1712,913
+10,2833,1831,1599,946
+Geomean,2842.96,1797.44,1625.98,938.05 (3.03x improvement)
+Stdev,50.18,35.80,54.58,29.32
+Markdown snippets in mainline_vs_premain.md
++ bash -c 'cat spring-petclinic/mainline_vs_premain.md'
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (ms, smaller is better)" 0 --> 2842.96
+    bar [2842.96, 1797.44, 1625.98, 938.05]
+```
+
+-----------------Normalized---------------------------------------------
+```mermaid
+---
+config:
+    theme: "forest"
+    xyChart:
+        chartOrientation: horizontal
+        height: 300
+---
+xychart-beta
+    x-axis "variant" ["mainline default", "mainline custom static cds", "mainline aot cache", "premain aot cache"]
+    y-axis "Elapsed time (normalized, smaller is better)" 0 --> 1000
+    bar [1000, 632, 572, 330]
+```
+
