Manual: numasched-bpfcc
numasched(8) System Manager's Manual numasched(8)
NAME
numasched - Tracing task switch NUMA. Uses bcc/eBPF.
SYNOPSIS
numasched
DESCRIPTION
numasched tracked task switch of NUMA.
This program is also a basic example of bcc and tracepoint.
Since this uses BPF, only the root user can use this tool.
REQUIREMENTS
CONFIG_BPF and bcc.
OPTIONS
-p, --pid PID
Trace this PID only.
-t, --tid TID
Trace this TID only.
-c, --comm COMM
Trace this COMM only.
EXAMPLES
Tracing task switch NUMA:
# numasched
Trace PID 181 only:
# numasched -p 181
FIELDS
TIME A timestamp on the output, in "HH:MM:SS" format.
PID The process ID.
TID The thread ID.
SRC_NID
Source NUMA ID.
DST_NID
Target NUMA ID.
COMM The process COMM.
SOURCE
This is from bcc.
https://github.com/iovisor/bcc
Also look in the bcc distribution for a companion _examples.txt file containing example usage, output, and commentary
for this tool.
OS
Linux
STABILITY
Unstable - in development.
AUTHOR
Rong Tao
SEE ALSO
opensnoop(8)
USER COMMANDS 2022-12-14 numasched(8)