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authorStefan Kost <ensonic@users.sf.net>2011-05-17 12:58:02 (GMT)
committerStefan Kost <ensonic@users.sf.net>2011-05-17 12:58:02 (GMT)
commit88af6fc33b0eba8f32e6a2a794899f1c34828f3f (patch)
tree11d00c5c6a0d0072d35dd1b6f232730233093e4f
parentae2433ac4fdbe6d2a7876f2bc446095f888ea552 (diff)
README: tell about configurations options and overhead
-rw-r--r--README5
1 files changed, 4 insertions, 1 deletions
diff --git a/README b/README
index 39ffacb..9d2ba9d 100644
--- a/README
+++ b/README
@@ -56,7 +56,10 @@ GSTTL_{SHOW,HIDE} - specify log details, multiple entries separated with ';' (no
defaults (none given) are GSTTL_SHOW=<all>, GSTTL_HIDE=<none>
these are the details: "caps;chk;ev;mallinfo;msg;pad;qry;rusage;topo"
-Specifying both GSTTL_NO_LOG, GSTTL_NO_STATS is quite useless.
+Specifying both GSTTL_NO_LOG, GSTTL_NO_STATS is quite useless. Turning off the
+statistics will lower the overhead when capturing the trace (FIXME: ideally we
+will do statistics based on the log file). Also turning of some log details
+(e.g. mallinfo or rusage) can save overhead.
== Exploration ==
=== Plot graphs using gnuplot >=4.3 ===