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-rw-r--r--Documentation/device-mapper/statistics.txt4
1 files changed, 4 insertions, 0 deletions
diff --git a/Documentation/device-mapper/statistics.txt b/Documentation/device-mapper/statistics.txt
index 4919b2dfd1b3..6f5ef944ca4c 100644
--- a/Documentation/device-mapper/statistics.txt
+++ b/Documentation/device-mapper/statistics.txt
@@ -121,6 +121,10 @@ Messages
Output format:
<region_id>: <start_sector>+<length> <step> <program_id> <aux_data>
+ precise_timestamps histogram:n1,n2,n3,...
+
+ The strings "precise_timestamps" and "histogram" are printed only
+ if they were specified when creating the region.
@stats_print <region_id> [<starting_line> <number_of_lines>]