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Bug
-
Resolution: Fixed
-
P4
-
26
-
+ uname -a
Linux zhangfei 5.15.0-25-generic #25 SMP Mon Jan 6 17:54:32 CST 2025 x86_64 x86_64 x86_64 GNU/Linux
+ cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04.5 LTS"
NAME="Ubuntu"
VERSION_ID="22.04"
VERSION="22.04.5 LTS (Jammy Jellyfish)"
VERSION_CODENAME=jammy
ID=ubuntu
ID_LIKE=debian
HOME_URL="https://www.ubuntu.com/"
SUPPORT_URL="https://help.ubuntu.com/"
BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/"
PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy"
UBUNTU_CODENAME=jammy
+ free -h
total used free shared buff/cache available
Mem: 751Gi 512Gi 207Gi 4.0Mi 31Gi 235Gi
Swap: 8.0Gi 104Mi 7.9Gi
+ lscpu
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Address sizes: 48 bits physical, 48 bits virtual
Byte Order: Little Endian
CPU(s): 224
On-line CPU(s) list: 0-223
Vendor ID: HygonGenuine
Model name: Hygon C86-4G (OPN:7493)
CPU family: 24
Model: 4
Thread(s) per core: 2
Core(s) per socket: 56
Socket(s): 2
Stepping: 1
BogoMIPS: 5800.03
Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc re
p_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_
lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_psta
te ssbd ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt l
brv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip overflow_recov succor sm
ca sme sev sev_es
Virtualization features:
Virtualization: AMD-V
Caches (sum of all):
L1d: 3.5 MiB (112 instances)
L1i: 3.5 MiB (112 instances)
L2: 56 MiB (112 instances)
L3: 512 MiB (32 instances)
NUMA:
NUMA node(s): 8
NUMA node0 CPU(s): 0-13,112-125
NUMA node1 CPU(s): 14-27,126-139
NUMA node2 CPU(s): 28-41,140-153
NUMA node3 CPU(s): 42-55,154-167
NUMA node4 CPU(s): 56-69,168-181
NUMA node5 CPU(s): 70-83,182-195
NUMA node6 CPU(s): 84-97,196-209
NUMA node7 CPU(s): 98-111,210-223
Vulnerabilities:
Itlb multihit: Not affected
L1tf: Not affected
Mds: Not affected
Meltdown: Not affected
Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp
Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization
Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP always-on, RSB filling
Srbds: Not affected
Tsx async abort: Not affected
+ ldd --version
ldd (Ubuntu GLIBC 2.35-0ubuntu3.10) 2.35
Copyright (C) 2022 Free Software Foundation, Inc.
This is free software; see the source for copying conditions. There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
Written by Roland McGrath and Ulrich Drepper.
+ java -version
openjdk version "26-internal" 2026-03-17
OpenJDK Runtime Environment (build 26-internal-31847149)
OpenJDK 64-Bit Server VM (build 26-internal-31847149, mixed mode, sharing)
+ java -Xinternalversion
OpenJDK 64-Bit Server VM (26-internal-31847149) for linux-amd64 JRE (26-internal-31847149), built on 2025-09-02T20:09:43Z with gcc 10.2.1 20210130 (Red Hat 10.2.1-11)
+ git remote -v
origin git@github.com:openjdk/jdk.git (fetch)
origin git@github.com:openjdk/jdk.git (push)
+ git log -n 1
+ head -n 1
commit 31847149c1956b23c19a99309982660b4bbdd2d6
+ hostname -I
10.59.42.94 172.17.0.1+ uname -a Linux zhangfei 5.15.0-25-generic #25 SMP Mon Jan 6 17:54:32 CST 2025 x86_64 x86_64 x86_64 GNU/Linux + cat /etc/os-release PRETTY_NAME="Ubuntu 22.04.5 LTS" NAME="Ubuntu" VERSION_ID="22.04" VERSION="22.04.5 LTS (Jammy Jellyfish)" VERSION_CODENAME=jammy ID=ubuntu ID_LIKE=debian HOME_URL="https://www.ubuntu.com/" SUPPORT_URL="https://help.ubuntu.com/" BUG_REPORT_URL="https://bugs.launchpad.net/ubuntu/" PRIVACY_POLICY_URL="https://www.ubuntu.com/legal/terms-and-policies/privacy-policy" UBUNTU_CODENAME=jammy + free -h total used free shared buff/cache available Mem: 751Gi 512Gi 207Gi 4.0Mi 31Gi 235Gi Swap: 8.0Gi 104Mi 7.9Gi + lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Address sizes: 48 bits physical, 48 bits virtual Byte Order: Little Endian CPU(s): 224 On-line CPU(s) list: 0-223 Vendor ID: HygonGenuine Model name: Hygon C86-4G (OPN:7493) CPU family: 24 Model: 4 Thread(s) per core: 2 Core(s) per socket: 56 Socket(s): 2 Stepping: 1 BogoMIPS: 5800.03 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm constant_tsc re p_good nopl nonstop_tsc cpuid extd_apicid amd_dcm aperfmperf rapl pni pclmulqdq monitor ssse3 fma cx16 sse4_1 sse4_2 movbe popcnt aes xsave avx f16c rdrand lahf_ lm cmp_legacy svm extapic cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw skinit wdt tce topoext perfctr_core perfctr_nb bpext perfctr_llc mwaitx cpb hw_psta te ssbd ibrs ibpb stibp vmmcall fsgsbase bmi1 avx2 smep bmi2 rdseed adx smap clflushopt sha_ni xsaveopt xsavec xgetbv1 xsaves clzero irperf xsaveerptr arat npt l brv svm_lock nrip_save tsc_scale vmcb_clean flushbyasid decodeassists pausefilter pfthreshold avic v_vmsave_vmload vgif v_spec_ctrl umip overflow_recov succor sm ca sme sev sev_es Virtualization features: Virtualization: AMD-V Caches (sum of all): L1d: 3.5 MiB (112 instances) L1i: 3.5 MiB (112 instances) L2: 56 MiB (112 instances) L3: 512 MiB (32 instances) NUMA: NUMA node(s): 8 NUMA node0 CPU(s): 0-13,112-125 NUMA node1 CPU(s): 14-27,126-139 NUMA node2 CPU(s): 28-41,140-153 NUMA node3 CPU(s): 42-55,154-167 NUMA node4 CPU(s): 56-69,168-181 NUMA node5 CPU(s): 70-83,182-195 NUMA node6 CPU(s): 84-97,196-209 NUMA node7 CPU(s): 98-111,210-223 Vulnerabilities: Itlb multihit: Not affected L1tf: Not affected Mds: Not affected Meltdown: Not affected Spec store bypass: Mitigation; Speculative Store Bypass disabled via prctl and seccomp Spectre v1: Mitigation; usercopy/swapgs barriers and __user pointer sanitization Spectre v2: Mitigation; Retpolines, IBPB conditional, IBRS_FW, STIBP always-on, RSB filling Srbds: Not affected Tsx async abort: Not affected + ldd --version ldd (Ubuntu GLIBC 2.35-0ubuntu3.10) 2.35 Copyright (C) 2022 Free Software Foundation, Inc. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. Written by Roland McGrath and Ulrich Drepper. + java -version openjdk version "26-internal" 2026-03-17 OpenJDK Runtime Environment (build 26-internal-31847149) OpenJDK 64-Bit Server VM (build 26-internal-31847149, mixed mode, sharing) + java -Xinternalversion OpenJDK 64-Bit Server VM (26-internal-31847149) for linux-amd64 JRE (26-internal-31847149), built on 2025-09-02T20:09:43Z with gcc 10.2.1 20210130 (Red Hat 10.2.1-11) + git remote -v origin git@github.com:openjdk/jdk.git (fetch) origin git@github.com:openjdk/jdk.git (push) + git log -n 1 + head -n 1 commit 31847149c1956b23c19a99309982660b4bbdd2d6 + hostname -I 10.59.42.94 172.17.0.1
-
b14
-
x86_64
-
linux
The time statistics by fastdebug build on linux-x64:
test_jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.jtr:59:elapsed time (seconds): 7.664
test_jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.jtr:71:elapsed time (seconds): 7.664
test_jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.jtr:127:elapsed time (seconds): 106.79
The time statistics by release build on linux-x64:
test_jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.jtr:59:elapsed time (seconds): 1.23
test_jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.jtr:71:elapsed time (seconds): 1.23
test_jdk/sun/jvmstat/monitor/MonitoredVm/MonitorVmStartTerminate.jtr:127:elapsed time (seconds): 85.018
- links to
-
Commit(master) openjdk/jdk/11743b1e
-
Review(master) openjdk/jdk/27064