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-rw-r--r--Documentation/Changes2
-rw-r--r--Documentation/basic_profiling.txt10
2 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/Changes b/Documentation/Changes
index 57542bc25ed..b3760075476 100644
--- a/Documentation/Changes
+++ b/Documentation/Changes
@@ -63,7 +63,7 @@ o PPP 2.4.0 # pppd --version
o isdn4k-utils 3.1pre1 # isdnctrl 2>&1|grep version
o nfs-utils 1.0.5 # showmount --version
o procps 3.2.0 # ps --version
-o oprofile 0.5.3 # oprofiled --version
+o oprofile 0.9 # oprofiled --version
Kernel compilation
==================
diff --git a/Documentation/basic_profiling.txt b/Documentation/basic_profiling.txt
index 65e3dc2d443..8764e9f7082 100644
--- a/Documentation/basic_profiling.txt
+++ b/Documentation/basic_profiling.txt
@@ -27,9 +27,13 @@ dump output readprofile -m /boot/System.map > captured_profile
Oprofile
--------
-Get the source (I use 0.8) from http://oprofile.sourceforge.net/
-and add "idle=poll" to the kernel command line
+
+Get the source (see Changes for required version) from
+http://oprofile.sourceforge.net/ and add "idle=poll" to the kernel command
+line.
+
Configure with CONFIG_PROFILING=y and CONFIG_OPROFILE=y & reboot on new kernel
+
./configure --with-kernel-support
make install
@@ -46,7 +50,7 @@ start opcontrol --start
stop opcontrol --stop
dump output opreport > output_file
-To only report on the kernel, run opreport /boot/vmlinux > output_file
+To only report on the kernel, run opreport -l /boot/vmlinux > output_file
A reset is needed to clear old statistics, which survive a reboot.