diff a/test/hotspot/jtreg/premain/bench_data/bench.20250930.txt b/test/hotspot/jtreg/premain/bench_data/bench.20250930.txt
--- /dev/null
+++ b/test/hotspot/jtreg/premain/bench_data/bench.20250930.txt
@@ -0,0 +1,322 @@
+Raw data generated by iklam on Tue Sep 30 10:14:22 AM PDT 2025
+
+HOWTO: https://github.com/openjdk/leyden/blob/ce150637130086ad2b47916d66148007f5331a28/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/ce150637130086ad2b47916d66148007f5331a28
+
+------------------------------------------------------------
++ 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
+1,234,126,84,63
+2,227,125,79,62
+3,240,123,87,67
+4,249,121,75,65
+5,235,121,77,67
+6,244,121,92,62
+7,235,122,77,71
+8,235,125,94,63
+9,228,119,83,65
+10,236,126,82,74
+Geomean,236.22,122.88,82.78,65.80 (3.59x improvement)
+Stdev,6.33,2.34,6.10,3.78
+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 --> 236.22
+    bar [236.22, 122.88, 82.78, 65.80]
+```
+
+-----------------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, 520, 350, 279]
+```
+
+------------------------------------------------------------
++ 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
+1,461,376,264,212
+2,477,361,275,211
+3,475,373,269,206
+4,458,386,264,209
+5,471,362,276,227
+6,468,358,260,208
+7,464,374,285,211
+8,464,362,262,213
+9,468,371,261,210
+10,485,359,266,213
+Geomean,469.04,368.10,268.09,211.93 (2.21x improvement)
+Stdev,7.73,8.72,7.67,5.42
+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 --> 469.04
+    bar [469.04, 368.10, 268.09, 211.93]
+```
+
+-----------------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, 785, 572, 452]
+```
+
+------------------------------------------------------------
++ 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
+1,317,158,116,116
+2,322,161,140,104
+3,309,153,119,110
+4,325,141,116,97
+5,315,151,122,99
+6,323,160,132,111
+7,315,148,119,110
+8,308,150,129,118
+9,317,153,116,104
+10,316,153,119,124
+Geomean,316.66,152.69,122.57,109.00 (2.91x improvement)
+Stdev,5.27,5.65,7.76,8.09
+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 --> 316.66
+    bar [316.66, 152.69, 122.57, 109.00]
+```
+
+-----------------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, 482, 387, 344]
+```
+
+------------------------------------------------------------
++ 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
+1,347,169,143,114
+2,343,180,148,117
+3,328,170,158,128
+4,341,167,140,107
+5,350,161,136,115
+6,351,176,138,117
+7,347,172,137,103
+8,340,174,135,112
+9,352,178,158,129
+10,334,168,140,118
+Geomean,343.22,171.41,143.08,115.75 (2.97x improvement)
+Stdev,7.38,5.41,8.16,7.68
+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 --> 343.22
+    bar [343.22, 171.41, 143.08, 115.75]
+```
+
+-----------------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, 499, 417, 337]
+```
+
+------------------------------------------------------------
++ 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
+1,493,244,163,114
+2,508,246,166,148
+3,493,244,164,115
+4,493,246,163,117
+5,498,242,162,120
+6,494,247,167,123
+7,504,241,165,112
+8,496,247,173,119
+9,504,251,166,127
+10,492,242,163,113
+Geomean,497.47,244.98,165.17,120.41 (4.13x improvement)
+Stdev,5.48,2.86,3.03,10.10
+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 --> 497.47
+    bar [497.47, 244.98, 165.17, 120.41]
+```
+
+-----------------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, 492, 332, 242]
+```
+
+------------------------------------------------------------
++ 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
+1,2102,1264,1165,678
+2,2174,1237,1126,680
+3,2139,1256,1140,679
+4,2158,1428,1288,673
+5,2320,1550,1358,684
+6,2259,1470,1371,685
+7,2415,1460,1336,671
+8,2309,1452,1342,674
+9,2346,1427,1348,677
+10,2312,1418,1337,668
+Geomean,2251.24,1392.48,1277.62,676.88 (3.33x improvement)
+Stdev,98.54,100.60,92.63,5.19
+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 --> 2251.24
+    bar [2251.24, 1392.48, 1277.62, 676.88]
+```
+
+-----------------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, 619, 568, 301]
+```
+
