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-rw-r--r--iostat_parser.rl4
1 files changed, 3 insertions, 1 deletions
diff --git a/iostat_parser.rl b/iostat_parser.rl
index 27ede88..10ab104 100644
--- a/iostat_parser.rl
+++ b/iostat_parser.rl
@@ -14,7 +14,9 @@
                 }
                 fgoto main;
         };
-        device_name = ([a-zA-Z0-9/]+){1,71} $ {
+
+        # Linux device mapper: dm-N
+        device_name = ([a-zA-Z0-9/\-]+){1,71} $ {
                         if (iostat->dev_tip < (sizeof(iostat->dev)-1))
                                 iostat->dev[iostat->dev_tip++] = fc;
                         };