[Sheflug] Patches and the like

[Nicola Richmond <n.j.richmond [at] xxxxxxxxxxxxxxx>]

Dear All,

I've just downloaded this patch "High Res Timers" so that I can time
some code that I've written. Apologies for my ignorance, but I've no
idea how to patch it.

This is my feeble attempt at a patch

[root@bubby src]# patch -Np1 < /home/nicola/hrtimers-2.4.20-1.0.patch
can't find file to patch at input line 4
Perhaps you used the wrong -p or --strip option?
The text leading up to this was:
--------------------------
|diff -urP -I '\$Id:.*Exp \$' -X /usr/src/patch.exclude
linux-2.4.20-kb/Documentation/Configure.help
linux/Documentation/Configure.help
|--- linux-2.4.20-kb/Documentation/Configure.help       2003-01-08
22:28:33.000000000 -0800
|+++ linux/Documentation/Configure.help 2003-01-08 22:51:05.000000000
-0800
--------------------------
File to patch:


The beginning of the patch looks like

[nicola@bubby nicola]$ more hrtimers-2.4.20-1.0.patch
diff -urP -I '\$Id:.*Exp \$' -X /usr/src/patch.exclude
linux-2.4.20-kb/Documenta
tion/Configure.help linux/Documentation/Configure.help
--- linux-2.4.20-kb/Documentation/Configure.help        2003-01-08
22:28:33.0000
00000 -0800
+++ linux/Documentation/Configure.help  2003-01-08 22:51:05.000000000
-0800
@@ -254,6 +254,102 @@
   You will need a new lynxer.elf file to flash your firmware with -
send
   email to Martin.Bligh [at] us.ibm.com

+
+Maximum number of POSIX timers
+CONFIG_MAX_POSIX_TIMERS
+  This option allows you to configure the system wide maximum number of
+  POSIX timers.  Timers are allocated as needed so the only memory
+  overhead this adds is about 4 bytes for every 50 or so timers to keep
+  track of each block of timers.  The system quietly rounds this number
+  up to fill out a timer allocation block.  It is ok to have several
+  thousand timers as needed by your applications.
+


Do I have to email this bloke? and if so, what to I tell him?

Thanks in advance,

Nicola.

-- 
Dr. Nicola J. Richmond,
Department of Information Studies,
University of Sheffield,
Regent Court, 211 Portobello Street, S1 4DP.

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