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authorChris Mason <chris.mason@fusionio.com>2013-09-24 15:30:23 -0400
committerChris Mason <clm@fb.com>2014-09-24 12:02:08 -0700
commitade854b0de75ecbd585aa323fd0cc7ccd92039f0 (patch)
treeede1c293854abd05e0a5cf3b01bbf5db3efa81c7
parent2ef0fdd46258de29bb8b4da6b5b4418af6e4b6aa (diff)
downloadblktrace-ade854b0de75ecbd585aa323fd0cc7ccd92039f0.tar.gz
blktrace-ade854b0de75ecbd585aa323fd0cc7ccd92039f0.tar.bz2
iowatcher: Update the README for a few new options
-rw-r--r--iowatcher/README9
1 files changed, 8 insertions, 1 deletions
diff --git a/iowatcher/README b/iowatcher/README
index f91fb6c..83db494 100644
--- a/iowatcher/README
+++ b/iowatcher/README
@@ -32,6 +32,10 @@ The basic options:
If you want more than one trace in a given graph, you can specify
-t more than once.
+ -F Add a fio bandwidth log graph. You need to run fio --bandwidth-log
+ to get one of these, and then pass either the read log or the write
+ log into iowatcher.
+
-l Sets a label in the graph for a trace file. The labels are added in
the same order the trace files are added.
@@ -55,6 +59,9 @@ The basic options:
current second with seconds from the past. Longer numbers here
give you flatter graphs.
+ -P add per-process tags to the IO. Each process responsible for
+ submitting the IO gets a different color.
+
-O add a single graph to the output. By default all the graphs
are included, but with -O you get only the graphs you ask for.
-O may be used more than once.
@@ -63,7 +70,7 @@ The basic options:
than once.
Choices for -O and -N are:
- io, tput, latency, queue_depth, iops, cpu-sys, cpu-io,
+ io, fio, tput, latency, queue_depth, iops, cpu-sys, cpu-io,
cpu-irq, cpu-user, cpu-soft
Examples: