Andrew wrote:
> Nah. Stick it in the same cacheline as tasklist_lock (I'm amazed that
> we've continued to get away with a global lock for that).
Yes - a bit amazing. But no sense compounding the problem now.
We shouldn't be adding global locks/modifiable data in the
fork/exit code path if we can help it, without at least
providing some simple way to ameliorate the problem when
folks do start hitting it.
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <[email protected]> 1.925.600.0401
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- References:
- [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
- From: Shailabh Nagar <[email protected]>
- Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
- From: Shailabh Nagar <[email protected]>
- Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
- From: Andrew Morton <[email protected]>
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- Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
- From: Jay Lan <[email protected]>
- Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
- From: Andrew Morton <[email protected]>
- Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
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- Re: [Patch][RFC] Disabling per-tgid stats on task exit in taskstats
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