This is the command ktap that can be run in the OnWorks free hosting provider using one of our multiple free online workstations such as Ubuntu Online, Fedora Online, Windows online emulator or MAC OS online emulator
PROGRAM:
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
Use ktap online using onworks.net services