Provided by: ktap_0.4+git20160427-1ubuntu4_amd64
NAME
ktap - lightweight script-based dynamic tracing tool for Linux
SYNOPSIS
ktap [options] file [script args] -- cmd [args] ktap [options] -e one-liner -- cmd [args]
DESCRIPTION
Options and arguments: -o file : send script output to file, instead of stderr -p pid : specific tracing pid -C cpu : cpu to monitor in system-wide -T : show timestamp for event -V : show version -v : enable verbose mode -q : suppress start tracing message -d : dry run mode(register NULL callback to perf events) -s : simple event tracing -b : list byte codes -le [glob] : list pre-defined events in system -lf DSO : list available functions from DSO -lm DSO : list available sdt notes from DSO file : program read from script file -- cmd [args] : workload to tracing
NOTES
To make ktap work, firstly you need to load "ktapvm" module: modprobe ktapvm