tools/kvm_stat: Add command line switch '-L' to log to file

[sfrench/cifs-2.6.git] / tools / kvm / kvm_stat / kvm_stat.txt

diff --git a/tools/kvm/kvm_stat/kvm_stat.txt b/tools/kvm/kvm_stat/kvm_stat.txt
index 24296dccc00ac488b6eb6d6ab0b35da1bb871671..feaf46451e838dab520da542cb823eddd107578b 100644 (file)
--- a/tools/kvm/kvm_stat/kvm_stat.txt
+++ b/tools/kvm/kvm_stat/kvm_stat.txt
@@ -65,8 +65,10 @@ OPTIONS
        run in batch mode for one second
 
 -c::
---csv=<file>::
-        log in csv format - requires option -l/--log
+--csv::
+        log in csv format. Requires option -l/--log or -L/--log-to-file.
+        When used with option -L/--log-to-file, the header is only ever
+        written to start of file to preserve the format.
 
 -d::
 --debugfs::
@@ -92,6 +94,11 @@ OPTIONS
 --log::
         run in logging mode (like vmstat)
 
+
+-L<file>::
+--log-to-file=<file>::
+        like -l/--log, but logging to a file. Appends to existing files.
+
 -p<pid>::
 --pid=<pid>::
        limit statistics to one virtual machine (pid)