diff options
-rw-r--r-- | test/helpers.lua | 14 |
1 files changed, 13 insertions, 1 deletions
diff --git a/test/helpers.lua b/test/helpers.lua index 09b113c01d..87431e4342 100644 --- a/test/helpers.lua +++ b/test/helpers.lua @@ -741,9 +741,20 @@ function module.read_file_list(filename, start) if not file then return nil end + + -- There is no need to read more than the last 2MB of the log file, so seek + -- to that. + local file_size = file:seek("end") + local offset = file_size - 2000000 + if offset < 0 then + offset = 0 + end + file:seek("set", offset) + local lines = {} local i = 1 - for line in file:lines() do + local line = file:read("*l") + while line ~= nil do if i >= start then table.insert(lines, line) if #lines > maxlines then @@ -751,6 +762,7 @@ function module.read_file_list(filename, start) end end i = i + 1 + line = file:read("*l") end file:close() return lines |