syscallbypid-nd.8

.TH syscallbypid-nd 8  "2015-01-30" "USER COMMANDS"
.SH NAME
syscallbypid-nd \- trace process signals. Uses Linux SystemTap (non-debuginfo).
.SH SYNOPSIS
.B syscallbypid-nd.stp
.SH DESCRIPTION
This traces syscalls system-wide, and produces a summary report showing their
counts by process ID, process name, and syscall types.
.SH REQUIREMENTS
SystemTap.
.SH EXAMPLES
.TP
Count and summarize syscalls:
#
.B syscallbypid-nd.stp
.SH FIELDS
.TP
PID
Process ID.
.TP
CMD
Process name.
.TP
SYSCALL
System call name.
.TP
COUNT
Number of syscalls issued during tracing.
.SH OVERHEAD
This uses in-kernel summaries to reduce overheads, so the overhead should be
low (much lower than the current strace(1) implementation, for example). Test
before use to confirm.
.SH SOURCE
This is from the SystemTap lwtools collection.
.IP
https://github.com/brendangregg/systemtap-lwtools
.PP
Also look under the examples directory for a text file containing example
usage, output, and commentary for this tool.
.SH OS
Linux
.SH STABILITY
Unstable - in development.
.SH AUTHOR
Brendan Gregg
.SH SEE ALSO
strace(1)