1 files changed, 8 insertions, 0 deletions

diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index af43f45e8358..f08e2bebb186 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1665,6 +1665,14 @@ and is between 256 and 4096 characters. It is defined in the file
         oprofile.timer= [HW]
                         Use timer interrupt instead of performance counters
 
+        oprofile.cpu_type=      Force an oprofile cpu type
+                        This might be useful if you have an older oprofile
+                        userland or if you want common events.
+                        Format: { archperfmon }
+                        archperfmon: [X86] Force use of architectural
+                                perfmon on Intel CPUs instead of the
+                                CPU specific event set.
+
         osst=           [HW,SCSI] SCSI Tape Driver
                         Format: <buffer_size>,<write_threshold>
                         See also Documentation/scsi/st.txt.