** Description changed: It seems the latest stress-ng changed how percentages are handled and using it to populate a percentage of memory does not work. - [ Reproducer ] - $ lxc launch o-vm + $ lxc launch ubuntu-devel:oracular o $ lxc shell o-vm # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Oracular Oriole (development branch) Release: 24.10 Codename: oracular # apt update -y && apt install -y stress-ng # dpkg -s stress-ng | grep Version: Version: 0.18.02-1 # stress-ng -vm 1 --vm-bytes 20% stress-ng: debug: [139883] invoked with 'stress-ng -vm 1 --vm-bytes 20%' by user 0 'root' stress-ng: debug: [139883] stress-ng 0.18.02 stress-ng: debug: [139883] system: Linux o-vm 6.8.0-31-generic #31-Ubuntu SMP PREEMPT_DYNAMIC Sat Apr 20 00:40:06 UTC 2024 x86_64, gcc 14.2.0, glibc 2.40, little endian stress-ng: debug: [139883] RAM total: 954.6M, RAM free: 433.0M, swap free: 0.0 stress-ng: debug: [139883] temporary file path: '/root', filesystem type: ext2 (1738063 blocks available) stress-ng: debug: [139883] 1 processor online, 8 processors configured stress-ng: info: [139883] defaulting to a 1 day run per stressor stress-ng: debug: [139883] CPU data cache: L1: 32K, L2: 4096K, L3: 16384K stress-ng: debug: [139883] cache allocate: shared cache buffer size: 16384K stress-ng: info: [139883] dispatching hogs: 1 vm stress-ng: debug: [139883] starting stressors stress-ng: debug: [139883] 1 stressor started stress-ng: debug: [139884] vm: [139884] started (instance 0 on CPU 0) stress-ng: debug: [139884] vm: using method 'all' stress-ng: info: [139885] vm: gave up trying to mmap, no available memory, skipping stressor stress-ng: debug: [139884] vm: [139884] exited (instance 0 on CPU 0) stress-ng: warn: [139883] vm: [139884] aborted early, out of system resources stress-ng: debug: [139883] vm: [139884] terminated (no resources) stress-ng: debug: [139883] metrics-check: all stressor metrics validated and sane stress-ng: info: [139883] skipped: 1: vm (1) stress-ng: info: [139883] passed: 0 stress-ng: info: [139883] failed: 0 stress-ng: info: [139883] metrics untrustworthy: 0 stress-ng: info: [139883] successful run completed in 10.03 secs - ( Testing the previous version ) # wget https://launchpad.net/ubuntu/+archive/primary/+files/stress-ng_0.17.06-1build1_amd64.deb # dpkg -i ./stress-ng_0.17.06-1build1_amd64.deb # dpkg -s stress-ng | grep Version: Version: 0.17.06-1build1 # stress-ng -vm 1 --vm-bytes 20% --timeout 10s stress-ng: debug: [140097] invoked with 'stress-ng -vm 1 --vm-bytes 20% --timeout 10s' by user 0 'root' stress-ng: debug: [140097] stress-ng 0.17.06 stress-ng: debug: [140097] system: Linux o-vm 6.8.0-31-generic #31-Ubuntu SMP PREEMPT_DYNAMIC Sat Apr 20 00:40:06 UTC 2024 x86_64, gcc 13.2.0, glibc 2.39 stress-ng: debug: [140097] RAM total: 954.6M, RAM free: 368.2M, swap free: 0.0 stress-ng: debug: [140097] temporary file path: '/root', filesystem type: ext2 (1738698 blocks available) stress-ng: debug: [140097] 1 processor online, 8 processors configured stress-ng: info: [140097] setting to a 10 secs run per stressor stress-ng: debug: [140097] CPU data cache: L1: 32K, L2: 4096K, L3: 16384K stress-ng: debug: [140097] cache allocate: shared cache buffer size: 16384K stress-ng: info: [140097] dispatching hogs: 1 vm stress-ng: debug: [140097] starting stressors stress-ng: debug: [140097] 1 stressor started stress-ng: debug: [140098] vm: [140098] started (instance 0 on CPU 0) stress-ng: debug: [140098] vm: using method 'all' stress-ng: debug: [140098] vm: [140098] exited (instance 0 on CPU 0) stress-ng: debug: [140097] vm: [140098] terminated (success) stress-ng: debug: [140097] metrics-check: all stressor metrics validated and sane stress-ng: info: [140097] skipped: 0 stress-ng: info: [140097] passed: 1: vm (1) stress-ng: info: [140097] failed: 0 stress-ng: info: [140097] metrics untrustworthy: 0 stress-ng: info: [140097] successful run completed in 10.01 secs
** Description changed: It seems the latest stress-ng changed how percentages are handled and using it to populate a percentage of memory does not work. [ Reproducer ] - $ lxc launch ubuntu-devel:oracular o + $ lxc launch ubuntu-daily:oracular o $ lxc shell o-vm # lsb_release -a No LSB modules are available. Distributor ID: Ubuntu Description: Ubuntu Oracular Oriole (development branch) Release: 24.10 Codename: oracular # apt update -y && apt install -y stress-ng # dpkg -s stress-ng | grep Version: Version: 0.18.02-1 # stress-ng -vm 1 --vm-bytes 20% stress-ng: debug: [139883] invoked with 'stress-ng -vm 1 --vm-bytes 20%' by user 0 'root' stress-ng: debug: [139883] stress-ng 0.18.02 stress-ng: debug: [139883] system: Linux o-vm 6.8.0-31-generic #31-Ubuntu SMP PREEMPT_DYNAMIC Sat Apr 20 00:40:06 UTC 2024 x86_64, gcc 14.2.0, glibc 2.40, little endian stress-ng: debug: [139883] RAM total: 954.6M, RAM free: 433.0M, swap free: 0.0 stress-ng: debug: [139883] temporary file path: '/root', filesystem type: ext2 (1738063 blocks available) stress-ng: debug: [139883] 1 processor online, 8 processors configured stress-ng: info: [139883] defaulting to a 1 day run per stressor stress-ng: debug: [139883] CPU data cache: L1: 32K, L2: 4096K, L3: 16384K stress-ng: debug: [139883] cache allocate: shared cache buffer size: 16384K stress-ng: info: [139883] dispatching hogs: 1 vm stress-ng: debug: [139883] starting stressors stress-ng: debug: [139883] 1 stressor started stress-ng: debug: [139884] vm: [139884] started (instance 0 on CPU 0) stress-ng: debug: [139884] vm: using method 'all' stress-ng: info: [139885] vm: gave up trying to mmap, no available memory, skipping stressor stress-ng: debug: [139884] vm: [139884] exited (instance 0 on CPU 0) stress-ng: warn: [139883] vm: [139884] aborted early, out of system resources stress-ng: debug: [139883] vm: [139884] terminated (no resources) stress-ng: debug: [139883] metrics-check: all stressor metrics validated and sane stress-ng: info: [139883] skipped: 1: vm (1) stress-ng: info: [139883] passed: 0 stress-ng: info: [139883] failed: 0 stress-ng: info: [139883] metrics untrustworthy: 0 stress-ng: info: [139883] successful run completed in 10.03 secs ( Testing the previous version ) # wget https://launchpad.net/ubuntu/+archive/primary/+files/stress-ng_0.17.06-1build1_amd64.deb # dpkg -i ./stress-ng_0.17.06-1build1_amd64.deb # dpkg -s stress-ng | grep Version: Version: 0.17.06-1build1 # stress-ng -vm 1 --vm-bytes 20% --timeout 10s stress-ng: debug: [140097] invoked with 'stress-ng -vm 1 --vm-bytes 20% --timeout 10s' by user 0 'root' stress-ng: debug: [140097] stress-ng 0.17.06 stress-ng: debug: [140097] system: Linux o-vm 6.8.0-31-generic #31-Ubuntu SMP PREEMPT_DYNAMIC Sat Apr 20 00:40:06 UTC 2024 x86_64, gcc 13.2.0, glibc 2.39 stress-ng: debug: [140097] RAM total: 954.6M, RAM free: 368.2M, swap free: 0.0 stress-ng: debug: [140097] temporary file path: '/root', filesystem type: ext2 (1738698 blocks available) stress-ng: debug: [140097] 1 processor online, 8 processors configured stress-ng: info: [140097] setting to a 10 secs run per stressor stress-ng: debug: [140097] CPU data cache: L1: 32K, L2: 4096K, L3: 16384K stress-ng: debug: [140097] cache allocate: shared cache buffer size: 16384K stress-ng: info: [140097] dispatching hogs: 1 vm stress-ng: debug: [140097] starting stressors stress-ng: debug: [140097] 1 stressor started stress-ng: debug: [140098] vm: [140098] started (instance 0 on CPU 0) stress-ng: debug: [140098] vm: using method 'all' stress-ng: debug: [140098] vm: [140098] exited (instance 0 on CPU 0) stress-ng: debug: [140097] vm: [140098] terminated (success) stress-ng: debug: [140097] metrics-check: all stressor metrics validated and sane stress-ng: info: [140097] skipped: 0 stress-ng: info: [140097] passed: 1: vm (1) stress-ng: info: [140097] failed: 0 stress-ng: info: [140097] metrics untrustworthy: 0 stress-ng: info: [140097] successful run completed in 10.01 secs -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/2078871 Title: Using a percentage of memory no longer works To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/stress-ng/+bug/2078871/+subscriptions -- ubuntu-bugs mailing list [email protected] https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs
