Changes between Version 5 and Version 6 of Dev/KernelHack/COINS/worklog/201111

Timestamp:

Nov 25, 2011 1:26:44 AM (12 years ago)

Author:

mitty

Comment:

--

Dev/KernelHack/COINS/worklog/201111

@@ -1552 +1552 @@
  * windell46:04 s0711489$ touch Makefile
  * windell46:04 s0711489$ touch modtest.c
+
+ = 11/15 =
+ == test module ==
+ * s0711489@ubuntu-lucid:~$ sudo insmod modtest.ko
+ * s0711489@ubuntu-lucid:~$ lsmod | grep test
+{{{
+modtest                  511  0
+}}}
+ * s0711489@ubuntu-lucid:~$ sudo rmmod modtest
+
+ * s0711489@ubuntu-lucid:~$ tailf /var/log/kern.log
+{{{
+Nov 16 12:57:12 ubuntu-lucid kernel: [  184.191269] modtest is loaded
+Nov 16 12:57:49 ubuntu-lucid kernel: [  221.183851] modtest is unloaded
+}}}
+
+ === accept parameter ===
+ * s0711489@ubuntu-lucid:~$ sudo insmod modtest.ko
+ * s0711489@ubuntu-lucid:~$ sudo rmmod modtest
+ * s0711489@ubuntu-lucid:~$ sudo insmod modtest.ko entry=1024
+ * s0711489@ubuntu-lucid:~$ sudo rmmod modtest
+
+ * s0711489@ubuntu-lucid:~$ tail /var/log/kern.log
+{{{
+Nov 16 13:55:37 ubuntu-lucid kernel: [ 3688.894628] modtest is loaded with 128 entry
+Nov 16 13:55:42 ubuntu-lucid kernel: [ 3694.171780] modtest is unloaded
+Nov 16 13:55:49 ubuntu-lucid kernel: [ 3700.375278] modtest is loaded with 1024 entry
+Nov 16 13:55:52 ubuntu-lucid kernel: [ 3704.198557] modtest is unloaded
+}}}
+
+ * s0711489@ubuntu-lucid:~$ sudo insmod modtest.ko entry=1024
+ * s0711489@ubuntu-lucid:~$ cat /sys/module/modtest/parameters/entry
+{{{
+1024
+}}}
+
+ == stack module (copy from modtest) ==
+ * s0711489@ubuntu-lucid:~$ sudo insmod stackmod.ko
+ * s0711489@ubuntu-lucid:~$ sudo rmmod stackmod
+ * s0711489@ubuntu-lucid:~$ tail /var/log/kern.log
+{{{
+Nov 16 14:56:16 ubuntu-lucid kernel: [ 7326.677171] stackmod is loaded
+Nov 16 14:56:16 ubuntu-lucid kernel: [ 7326.677175] stackmod: 128 entry, major is 251, minor is 0
+Nov 16 14:56:24 ubuntu-lucid kernel: [ 7335.090496] stackmod is unloaded
+}}}