Eric Dumazet wrote:
On Wednesday 15 November 2006 11:35, Eric Dumazet wrote:
On Wednesday 15 November 2006 11:21, Adrian Bunk wrote:
Subject : x86_64: oprofile doesn't work
References : http://lkml.org/lkml/2006/10/27/3
Submitter : Prakash Punnoor <[email protected]>
Status : unknown
I hit the same problem on i386 architecture too, if CONFIG_ACPI is not set.
# opcontrol --setup --event=RESOURCE_STALLS:1000 --vmlinux=$VMFILE
# opcontrol --start
/usr/bin/opcontrol: line 911: /dev/oprofile/0/enabled: No such file or
directory
/usr/bin/opcontrol: line 911: /dev/oprofile/0/event: No such file or directory
/usr/bin/opcontrol: line 911: /dev/oprofile/0/count: No such file or directory
/usr/bin/opcontrol: line 911: /dev/oprofile/0/kernel: No such file or
directory
/usr/bin/opcontrol: line 911: /dev/oprofile/0/user: No such file or directory
/usr/bin/opcontrol: line 911: /dev/oprofile/0/unit_mask: No such file or
directory
Using 2.6+ OProfile kernel interface.
Reading module info.
Using log file /var/lib/oprofile/oprofiled.log
Daemon started.
Profiler running.
# ls -l /dev/oprofile/
total 0
drwxr-xr-x 1 root root 0 Nov 22 11:18 1
-rw-r--r-- 1 root root 0 Nov 22 11:18 backtrace_depth
-rw-r--r-- 1 root root 0 Nov 22 11:18 buffer
-rw-r--r-- 1 root root 0 Nov 22 11:18 buffer_size
-rw-r--r-- 1 root root 0 Nov 22 11:18 buffer_watershed
-rw-r--r-- 1 root root 0 Nov 22 11:18 cpu_buffer_size
-rw-r--r-- 1 root root 0 Nov 22 11:18 cpu_type
-rw-rw-rw- 1 root root 0 Nov 22 11:18 dump
-rw-r--r-- 1 root root 0 Nov 22 11:18 enable
-rw-r--r-- 1 root root 0 Nov 22 11:18 pointer_size
drwxr-xr-x 1 root root 0 Nov 22 11:18 stats
# dmesg | grep oprofile
oprofile: using NMI interrupt.
# opcontrol --version
opcontrol: oprofile 0.9.2 compiled on Nov 22 2006 11:24:09
Eric
Could you try the patch that I posted on the oprofile mailing list last week
November 17 2005 for op_allocate.c and see if that resolves the problem you are
having?
http://sourceforge.net/mailarchive/message.php?msg_id=37316102
-Will
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