diff options
Diffstat (limited to 'Documentation')
| -rw-r--r-- | Documentation/Changes | 2 | ||||
| -rw-r--r-- | Documentation/basic_profiling.txt | 10 |
2 files changed, 8 insertions, 4 deletions
diff --git a/Documentation/Changes b/Documentation/Changes index 57542bc..b376007 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 65e3dc2..8764e9f 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. |