664
Comment:
|
← Revision 12 as of 2017-12-30 01:30:00 ⇥
1033
converted to 1.6 markup
|
Deletions are marked like this. | Additions are marked like this. |
Line 1: | Line 1: |
attachment:riel.png | {{attachment:riel.png}} |
Line 3: | Line 3: |
I am a Linux kernel developer (working for [http://www.redhat.com/ Red Hat]) by day and an anti-spam activist by night. For some values of "day" and "night", of course. In my spare time I host and edit [http://wikiwall.org/ wikis] and play Wesnoth. | I am a Linux kernel developer (working for [[http://www.redhat.com/|Red Hat]]) by day and an anti-spam activist by night. For some values of "day" and "night", of course. In my spare time I hike mountains and play with radios (and radio software). |
Line 5: | Line 5: |
I am the admin of this wiki, and make sure it all runs smoothly. Hopefully. | I am the admin of this wiki, and try to make sure it all runs smoothly. |
Line 8: | Line 8: |
If you want to help someone in need, consider [http://www.shop24-7-365.com/Donate-Car/donate-car.php donating a car to charity]. |
|
Line 14: | Line 12: |
---- OPW Round 12 small tasks: * Cause the system to swap, and use ftrace and the trace points in mm/page_alloc.c and mm/vmscan.c to determine how long it takes to allocate (and free) pages. * Repeat the same exercise when the system is under heavy filesystem read IO, and when doing lots of filesystem writes (enough to fill up memory). * Use kernelshark to visually examine the observed latencies. * You can email me your ftrace commandlines (or scripts), observations, and questions. |
I am a Linux kernel developer (working for Red Hat) by day and an anti-spam activist by night. For some values of "day" and "night", of course. In my spare time I hike mountains and play with radios (and radio software).
I am the admin of this wiki, and try to make sure it all runs smoothly.
If you ever run into technical problems with this wiki, please send me an email (riel@surriel.com) and I will fix things.
Have fun,
Rik van Riel
OPW Round 12 small tasks:
- Cause the system to swap, and use ftrace and the trace points in mm/page_alloc.c and mm/vmscan.c to determine how long it takes to allocate (and free) pages.
- Repeat the same exercise when the system is under heavy filesystem read IO, and when doing lots of filesystem writes (enough to fill up memory).
- Use kernelshark to visually examine the observed latencies.
- You can email me your ftrace commandlines (or scripts), observations, and questions.