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| -rw-r--r-- | tools/sched/schedgraph.py | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/tools/sched/schedgraph.py b/tools/sched/schedgraph.py index e56ee8a..e70d67d 100644 --- a/tools/sched/schedgraph.py +++ b/tools/sched/schedgraph.py @@ -30,6 +30,17 @@ import sys import re from Tkinter import * +# To use: +# - Install the ports/x11-toolkits/py-tkinter package. +# - Add KTR_SCHED to KTR_COMPILE and KTR_MASK in your KERNCONF +# - It is encouraged to increase KTR_ENTRIES size to 32768 to gather +# enough information for analysis. +# - Rebuild kernel with proper changes to KERNCONF. +# - Run ktrace(1) with whatever workload you wish to use. +# - Dump the trace to a file: 'ktrdump -ct > ktr.out' +# - Run the python script: 'python schedgraph.py ktr.out' +# +# To do: # 1) Add a per-thread summary display # 2) Add bounding box style zoom. # 3) Click to center. |
