Re: [Announce] [patch] Modular Scheduler Core and Completely Fair Scheduler [CFS]

Björn Steinbrink
2007-04-21T11:29:46Z

Hi,

On 2007.04.21 13:07:48 +0200, Willy Tarreau wrote:
> > another thing i noticed: when using a -y larger then 1, then the window
> > title (at least on Metacity) overlaps and thus the ocbench tasks have
> > different X overhead and get scheduled a bit assymetrically as well. Is
> > there any way to start them up title-less perhaps?
>
> It has annoyed me a bit too, but I'm no X developer at all, so I don't
> know at all if it's possible nor how to do this. I know that my window
> manager even adds title bars to xeyes, so I'm not sure we can do this.
>
> Right now, I've added a "-B <border size>" argument so that you can
> skip the size of your title bar. It's dirty but it's not my main job :-)

Here's a small patch that makes the windows unmanaged, which also causes
ocbench to start up quite a bit faster on my box with larger number of
windows, so it probably avoids some window manager overhead, which is a
nice side-effect.

Björn

--

diff -u ocbench-0.4/ocbench.c ocbench-0.4.1/ocbench.c
--- ocbench-0.4/ocbench.c 2007-04-21 13:05:55.000000000 +0200
+++ ocbench-0.4.1/ocbench.c 2007-04-21 13:24:01.000000000 +0200
@@ -213,6 +213,7 @@
int main(int argc, char *argv[]) {
Window root;
XGCValues gc_setup;
+ XSetWindowAttributes swa;
int c, index, proc_x, proc_y, pid;
int *pcount[] = {&HOUR, &MIN, &SEC};
char *p, *q;
@@ -342,8 +343,11 @@
alloc_color(fg, &orange);
alloc_color(fg2, &blue);

- win = XCreateSimpleWindow(dpy, root, X, Y, width, height, 0,
- black.pixel, black.pixel);
+ swa.override_redirect = 1;
+
+ win = XCreateWindow(dpy, root, X, Y, width, height, 0,
+ CopyFromParent, InputOutput, CopyFromParent,
+ CWOverrideRedirect, &swa);
XStoreName(dpy, win, "ocbench");

XSelectInput(dpy, win, ExposureMask | StructureNotifyMask);
Only in ocbench-0.4.1/: .README.swp