Re: [systemd-devel] Improve boot-time of systemd-based device, revisited

2015-06-20 Thread cee1
2015-06-19 15:34 GMT+08:00 Chaiken, Alison ali...@she-devel.com: cee1 fykc...@gmail.com writes: 3.1 consider disabling readahead collection in the shipped devices, but leave readahead replay enabled. ceel, are you aware that readahead is deprecated in systemd and has not been included since

Re: [systemd-devel] Improve boot-time of systemd-based device, revisited

2015-06-19 Thread Chaiken, Alison
cee1 fykc...@gmail.com writes: 2. Add a kernel sockopt for AF_UNIX to increase the maximum datagram queue length for SOCK_DGRAM sockets. ceel, are you aware of the (hopefully) pending full merge of kdbus in kernel 4.2? And that it is essentially a bottoms-up redesign of IPC that supports

Re: [systemd-devel] Improve boot-time of systemd-based device, revisited

2015-06-19 Thread Daniel Mack
On 06/19/2015 09:34 AM, Chaiken, Alison wrote: ceel, are you aware that readahead is deprecated in systemd and has not been included since about release 216? Some of us in automotive are still working on it. I have some patches here

Re: [systemd-devel] Improve boot-time of systemd-based device, revisited

2015-06-16 Thread Kok, Auke-jan H
On Mon, Jun 15, 2015 at 5:44 AM, Harald Hoyer harald.ho...@gmail.com wrote: On 14.06.2015 15:17, cee1 wrote: BTW, systemd-bootchart has a option to chart entropy, how is the entropy involved in boot up procedure? Well, if daemons need bytes from /dev/random (think sshd key generation), I

Re: [systemd-devel] Improve boot-time of systemd-based device, revisited

2015-06-15 Thread Harald Hoyer
On 14.06.2015 15:17, cee1 wrote: Hi all, I've recently got another chance to improve the boot-time of a systemd-based device. I'd like to share the experience here, and some thoughts and questions. The first time I tried to improve the boot-time of systemd:

[systemd-devel] Improve boot-time of systemd-based device, revisited

2015-06-14 Thread cee1
Hi all, I've recently got another chance to improve the boot-time of a systemd-based device. I'd like to share the experience here, and some thoughts and questions. The first time I tried to improve the boot-time of systemd: