[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

This bug was fixed in the package lshw - 02.18-0.1ubuntu4.1 --- lshw (02.18-0.1ubuntu4.1) artful; urgency=medium * AArch64: cpuinfo: Remove redundant cpu caps loop (LP: #1582181) (Merged into EZix upstream commit [20cda772]) -- Ike Panhc Wed, 21 Mar

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

This bug was fixed in the package lshw - 02.17-1.1ubuntu3.5 --- lshw (02.17-1.1ubuntu3.5) xenial; urgency=medium * AArch64: cpuinfo: Remove redundant cpu caps loop (LP: #1582181) (Merged into EZix upstream commit [20cda772]) -- Ike Panhc Wed, 21 Mar

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

lshw in artful-proposed fixes this issue. ubuntu@recht:~$ time lshw > /dev/null ; dpkg --list | grep lshw WARNING: you should run this program as super-user. WARNING: output may be incomplete or inaccurate, you should run this program as super-user. real2m10.793s user2m10.589s sys

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

lshw in xenial-proposed fixes this issue. ubuntu@recht:~$ time lshw > /dev/null;dpkg --list | grep lshw WARNING: you should run this program as super-user. WARNING: output may be incomplete or inaccurate, you should run this program as super-user. real1m50.371s user1m50.240s sys

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

Hello Alexandru, or anyone else affected, Accepted lshw into artful-proposed. The package will build now and be available at https://launchpad.net/ubuntu/+source/lshw/02.18-0.1ubuntu4.1 in a few hours, and then in the -proposed repository. Please help us by testing this new package. See

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

** Description changed: [Impact] lshw takes too long time on parsing /proc/cpuinfo on aarch64 system It takes minutes on 96cores and almost 10min on 224cores system. [Test Case] - `time sudo lshw` and it shall be less then 15sec + `time lshw` and it shall be less then 15sec

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

This bug was fixed in the package lshw - 02.18-0.1ubuntu6 --- lshw (02.18-0.1ubuntu6) bionic; urgency=medium * AArch64: cpuinfo: Remove redundant cpu caps loop (LP: #1582181) (Merged into EZix upstream commit [20cda772]) -- Ike Panhc Wed, 21 Mar 2018

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

** Also affects: lshw (Ubuntu Artful) Importance: Undecided Status: New ** Also affects: lshw (Ubuntu Xenial) Importance: Undecided Status: New ** Also affects: lshw (Ubuntu Bionic) Importance: Undecided Assignee: Ike Panhc (ikepanhc) Status: In Progress **

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

** Description changed: lshw on AArch64 hardware is painfully slow. This affects both lshw in current Ubuntu releases and vanilla upstream. For a 48 core node, cpuinfo parsing added up to 30 seconds (8 lines per core in /proc/cpuinfo add up to 384 lines to parse). For a 96 core

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

Thanks. Process to upload. ** Changed in: lshw (Ubuntu) Status: Confirmed => In Progress ** Changed in: lshw (Ubuntu) Assignee: (unassigned) => Ike Panhc (ikepanhc) -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu.

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

Upstream PR merged. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1582181 Title: AArch64: slow cpuinfo due to redundant loop To manage notifications about this bug go to:

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

This issue also affects me. With about 10min for lshw it nearly fails MAAS commisioning. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1582181 Title: AArch64: slow cpuinfo due to redundant loop To

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

I see nobody acted on this, so I sent a PR [1] upstream. Will update this ticket if it gets pulled. [1] https://github.com/lyonel/lshw/pull/36 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1582181

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

Hi, If it helps, we have an old DEB package at [1]. I think it's based on the lshw version that was used by Trusty or Xenial at that time. [1] http://linux.enea.com/mos-repos/ubuntu/10.0/pool/main/l/lshw/ -- You received this bug notification because you are a member of Ubuntu Bugs, which is

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

My 200+ ARM machine fails to commission in MaaS because lshw takes 8 minutes to run. I will try out this patch and see if it speeds up lshw. -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1582181

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

Status changed to 'Confirmed' because the bug affects multiple users. ** Changed in: lshw (Ubuntu) Status: New => Confirmed -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1582181 Title:

[Bug 1582181] Re: AArch64: slow cpuinfo due to redundant loop

The attachment "AArch64-cpuinfo-Remove-redundant-cpu-caps-loop.patch" seems to be a patch. If it isn't, please remove the "patch" flag from the attachment, remove the "patch" tag, and if you are a member of the ~ubuntu-reviewers, unsubscribe the team. [This is an automated message performed by a