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| author | Robert Richter <robert.richter@amd.com> | 2011-10-11 19:39:16 +0200 |
|---|---|---|
| committer | Robert Richter <robert.richter@amd.com> | 2011-11-04 15:04:34 +0100 |
| commit | 159a80b2142df709416ab369113de7d511c48331 (patch) | |
| tree | 852dd0ce5c818e13158c09f702752113c462d2a8 /Documentation/kernel-parameters.txt | |
| parent | oprofile, x86: Fix crash when unloading module (nmi timer mode) (diff) | |
| download | linux-159a80b2142df709416ab369113de7d511c48331.tar.xz linux-159a80b2142df709416ab369113de7d511c48331.zip | |
oprofile, x86: Add kernel parameter oprofile.cpu_type=timer
We need this to better test x86 NMI timer mode. Otherwise it is very
hard to setup systems with NMI timer enabled, but we have this e.g. in
virtual machine environments.
Signed-off-by: Robert Richter <robert.richter@amd.com>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index 854ed5ca7e3f..f7735a125f4b 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt @@ -1848,6 +1848,9 @@ bytes respectively. Such letter suffixes can also be entirely omitted. arch_perfmon: [X86] Force use of architectural perfmon on Intel CPUs instead of the CPU specific event set. + timer: [X86] Force use of architectural NMI + timer mode (see also oprofile.timer + for generic hr timer mode) oops=panic Always panic on oopses. Default is to just kill the process, but there is a small probability of |