Bug 919324 – www-client/chromium does not respect MAKEOPTS

• Product: Gentoo Linux
• Status: CONFIRMED ---

[Description Agostino Sarubbo 2023-12-06 10:53:20 UTC]

I have a server that have nproc=64.

I'm building chromium with -j60 and I noticed that the load goes a lot over the server capacity like a load of 84 to 110 while, obviously, the server is not doing anything else.

I observer that the load is going around 84 at the compilation line [7988/57663]
I observer that the load is going around 110 at the compilation line [19113/57663]

My guess is that while chromium has a limit of -j60, at some point it launches a subtask (like thirdy party software) that have themself a parallelizzation.

I will attach the compressed log asap

[Comment 1 Sam James 2023-12-06 10:53:37 UTC]

`ps faux` when it's misbehaving and emerge --info too please.

[Comment 2 Ionen Wolkens 2023-12-06 10:59:39 UTC]

fwiw I seen similar happen on qtwebengine:6 (esp. noticeable with ccache given it speeds through things and accumulate threads), I looked into it a fair deal but I never found the source of it. Pretty sure it's related to nodejs invocations though.

[Comment 3 Ionen Wolkens 2023-12-06 11:03:21 UTC]

(In reply to Ionen Wolkens from comment #2)
> fwiw I seen similar happen on qtwebengine:6 (esp. noticeable with ccache
> given it speeds through things and accumulate threads), I looked into it a
> fair deal but I never found the source of it. Pretty sure it's related to
> nodejs invocations though.
(aka, fortunately it's not too bad on ram usage that I've seen so -jX is still good for that -- but cpu usage does shoot up)

[Comment 4 Agostino Sarubbo 2023-12-06 12:20:18 UTC]

Created attachment 877657 [details]
build log (first part)

First part of the log (size was too much to get it attached)

[Comment 5 Agostino Sarubbo 2023-12-06 12:20:39 UTC]

Created attachment 877658 [details]
build log (second part)

Second part of the log (size was too much to get it attached)

[Comment 6 Agostino Sarubbo 2023-12-06 13:37:54 UTC]

Created attachment 877659 [details]
emerge --info + ps faux

ps faux was a bit stripped since there are other unrelated process, so this is 'ps aux | grep "^portage"'

[Comment 7 Agostino Sarubbo 2023-12-06 13:44:23 UTC]

(In reply to Agostino Sarubbo from comment #6)
> Created attachment 877659 [details]
> emerge --info + ps faux

Note that it was taken when the load was over 105