Gentoo Archives: gentoo-dev

From: Joshua Kinard <kumba@g.o>
To: gentoo-dev@l.g.o
Subject: Re: [gentoo-dev] util-linux build time increase?
Date: Thu, 28 Feb 2019 09:16:25
Message-Id: 69b62838-66ea-28d7-fb31-71a15e6d4f93@gentoo.org
In Reply to: Re: [gentoo-dev] util-linux build time increase? by Kristian Fiskerstrand
1 On 2/21/2019 16:18, Kristian Fiskerstrand wrote:
2 > On 2/21/19 1:29 PM, Guilherme Amadio wrote:
3 >> On Thu, Feb 21, 2019 at 04:36:24AM -0500, Joshua Kinard wrote:
4 >>> Does anyone have an idea why util-linux's build time would go up
5 >>> significantly from 2.32.x to 2.33.x? It may be a MIPS thing, as my x86_64
6 >>> box shows no discernible change in build times between the same versions.
7 >>> Can any other archs check w/ genlop to see if they see a large jump in build
8 >>> time?
9 >>>
10 >
11 > At least on a couple of my amd64 there isn't any noticeable slowdown.
12 > similar to your own observations. E.g this laptop (Linux ares
13 > 4.9.155-gentoo-kf0 #1 SMP Sun Feb 10 17:01:51 CET 2019 x86_64 Intel(R)
14 > Xeon(R) CPU E3-1535M v5 @ 2.90GHz GenuineIntel GNU/Linux) says
15 >
16 > # /usr/local/bin/emerge_time.sh sys-apps/util-linux
17 > util-linux-2.28.2: Thu Feb 9 18:52:32 2017: 1 minute, 9 seconds
18 > util-linux-2.28.2: Thu Feb 9 19:56:31 2017: 1 minute, 37 seconds
19 > util-linux-2.28.2: Fri Apr 21 20:05:52 2017: 35 seconds
20 > util-linux-2.30.2: Thu Nov 23 18:59:23 2017: 55 seconds
21 > util-linux-2.30.2: Mon Dec 4 22:08:07 2017: 38 seconds
22 > util-linux-2.30.2: Wed Jan 10 20:44:39 2018: 44 seconds
23 > util-linux-2.30.2-r1: Mon Mar 12 19:20:06 2018: 46 seconds
24 > util-linux-2.32-r4: Sun Jul 15 15:51:21 2018: 50 seconds
25 > util-linux-2.33-r1: Sun Jan 6 20:53:29 2019: 46 seconds
26 > util-linux-2.33-r1: Thu Feb 21 22:16:25 2019: 53 seconds
27
28 Is /usr/local/bin/emerge_time.sh a custom script of yours, or is it
29 available somewhere else? I usually use genlop to measure merge times, but
30 that package has a lengthy set of perl dependencies that I don't want to
31 pull into the catalyst seed chroots I am building/updating.
32
33 --
34 Joshua Kinard
35 Gentoo/MIPS
36 kumba@g.o
37 rsa6144/5C63F4E3F5C6C943 2015-04-27
38 177C 1972 1FB8 F254 BAD0 3E72 5C63 F4E3 F5C6 C943
39
40 "The past tempts us, the present confuses us, the future frightens us. And
41 our lives slip away, moment by moment, lost in that vast, terrible in-between."
42
43 --Emperor Turhan, Centauri Republic

Replies

Subject Author
Re: [gentoo-dev] util-linux build time increase? Kristian Fiskerstrand <k_f@g.o>