Messages in this thread | | | Date | Fri, 19 May 2006 13:22:00 -0400 | From | John Richard Moser <> | Subject | Re: Stealing ur megahurts (no, really) |
| |
-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1
Panagiotis Issaris wrote: > Hi, > > John Richard Moser wrote: > >> [...] >> Scrambling for an old machine is ridiculous. Down-clocking makes sense >> because you can adjust to varied levels; but it's difficult and usually >> infeasible. Pulling memory and mix and matching is not much better. >> >> On Linux we have mem= to toy with memory, which I personally HAVE used >> to evaluate how various distributions and releases of GNOME operate >> under memory pressure. This is a lot more convenient than pulling chips >> and trying to find the right combination. This option was, apparently, >> designed for situations where actual system memory capacity is >> mis-detected (mandrake 7.2 and its insistence that a 256M memory stick >> is 255M....); but is very useful in this application too. >> [...] >> >> > An easier way might be to use a system emulator like Qemu. > You can specify the amount of memory the emulated system has, > and if you do not use the kernel accelerating module (kqemu) > it slows down considerably. >
Yes but it slows down to like a 25MHz system :)
> Of course, it would be nicer if you could actually specify performance > levels and an issue with this approach is that it does not uniformly > scale down performance: I think IO emulation performance is a lot worse > then CPU emulation performance (in Qemu).
Yep.
> > With friendly regards, > Takis > >
- -- All content of all messages exchanged herein are left in the Public Domain, unless otherwise explicitly stated.
Creative brains are a valuable, limited resource. They shouldn't be wasted on re-inventing the wheel when there are so many fascinating new problems waiting out there. -- Eric Steven Raymond
We will enslave their women, eat their children and rape their cattle! -- Bosc, Evil alien overlord from the fifth dimension -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.2.2 (GNU/Linux) Comment: Using GnuPG with Mozilla - http://enigmail.mozdev.org
iQIVAwUBRG3+tgs1xW0HCTEFAQJ2ow/+KOKJNdX5d1pSZ36u+lT6AIs8yN0LSbS5 VVKFJLMrZWf0BfRgvxyGjazlEXbIaYeaSXYGr5+Gkbztr0cJ1/WyyO9dhEvVS8uq YJP9GAjfcsmrtLZT49jM/9XimK2xGgAFExmbxmEXFtGrcVanzFA/zvSiqbJmUMEt z+4BR7wKX/Q+iBKrSLibCTLlzpstI8YXhZxMVR2ZOfFU18nl7Pv5Y9sUB6EUKu2V 6B1eT0pBQ+bLtKhsNbOIOvGUpzkpe/bHAqBzxYLugBclmyM3SFoncHDXpg08qoVm LIXJi0Y/QJQovQlbzRz+Xse0IibBCPd4+jGNjk6/fkIvVqZVvGsLFHrmb5S0v4W7 qBB4atl7w7tb29J/gzPqAlqaqc/eNI3ZtNG/KEfvEqjaTHuc6mIXjs6OHyimXDgD WPvNZYrxwLoXhCCSkzlZ8BgEjL59DXtR8YZoEI3tSI9k9HnuKe4sv5dbCntsdsTR d0o5Kvcil6aZKJWx9St8BafOpcGff2D3YpzgcmBhUhYoX/Ni1+1fgnuha+Oo9W7i +TMOf8DwV+oUBV4hHbLXQzkDBu/dT60LrieYRANQxHx1uDh55S66Uk1pmhu74iw1 NCxZbok20007Hzle3Se9qL6f7r4XdDQHI6bUcu5JgJyv+pVQcOdkLZSClVYAQkVn pwYsqzp/KJk= =Cmvr -----END PGP SIGNATURE----- - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
| |