diff options
| author | Mel Gorman <mel@csn.ul.ie> | 2007-10-24 12:23:50 -0400 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2007-10-24 12:23:50 -0400 |
| commit | b3da2a73ff5a2953a4ad8ebbf0aa7e6965ff9de2 (patch) | |
| tree | 43583e5f492a48c56f9537006c8f806d570b0d84 /Documentation/kernel-parameters.txt | |
| parent | 838225b48edc971620cbeb292034dabd2b0d7d1d (diff) | |
sched: document profile=sleep requiring CONFIG_SCHEDSTATS
profile=sleep only works if CONFIG_SCHEDSTATS is set. This patch notes
the limitation in Documentation/kernel-parameters.txt and prints a
warning at boot-time if profile=sleep is used without CONFIG_SCHEDSTAT.
Signed-off-by: Mel Gorman <mel@csn.ul.ie>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'Documentation/kernel-parameters.txt')
| -rw-r--r-- | Documentation/kernel-parameters.txt | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt index a13d69b2217d..8ae5fac08dfa 100644 --- a/Documentation/kernel-parameters.txt +++ b/Documentation/kernel-parameters.txt | |||
| @@ -1444,7 +1444,8 @@ and is between 256 and 4096 characters. It is defined in the file | |||
| 1444 | Param: "schedule" - profile schedule points. | 1444 | Param: "schedule" - profile schedule points. |
| 1445 | Param: <number> - step/bucket size as a power of 2 for | 1445 | Param: <number> - step/bucket size as a power of 2 for |
| 1446 | statistical time based profiling. | 1446 | statistical time based profiling. |
| 1447 | Param: "sleep" - profile D-state sleeping (millisecs) | 1447 | Param: "sleep" - profile D-state sleeping (millisecs). |
| 1448 | Requires CONFIG_SCHEDSTATS | ||
| 1448 | Param: "kvm" - profile VM exits. | 1449 | Param: "kvm" - profile VM exits. |
| 1449 | 1450 | ||
| 1450 | processor.max_cstate= [HW,ACPI] | 1451 | processor.max_cstate= [HW,ACPI] |