Cisco ASR 14000 Series Management Command Reference page 515

Process and Memory Management Commands on Cisco IOS XR Software
C i s c o C o n f i d e n t i a l - B e t a R e v i e w R 3 . 7. 1
follow
To unobtrusively debug a live process or a live thread in a process, use the follow command in EXEC
mode.
Syntax Description
job job-id
process pid
location node-id
all
blocked
debug level
delay seconds
dump address size
iteration count
priority level
stackonly
thread tid
verbose
Defaults Entering the follow command without any optional keywords or arguments performs the operation for
five iterations from the local node with a delay of 5 seconds between each iteration. The output includes
information about all live threads. This command uses the default scheduling priority from where the
command is being run.
Command Modes
EXEC
Command History Release
Release 3.7.1
OL-17231-01
follow {job job-id | process pid | location node-id} [all] [blocked] [debug level] [delay seconds]
[dump address size] [iteration count] [priority level] [stackonly] [thread tid] [verbose]
Follows a process by job ID.
Follows the process with the process ID (PID) specified for the pid
argument.
(Optional) Follows the target process on the designated node. The node-id
argument is expressed in the rack/slot/module notation.
(Optional) Follows all threads.
(Optional) Follows the chain of thread IDs (TIDs) or PIDs that are blocking
the target process.
(Optional) Sets the debug level for the following operation. Valid values for
the level argument are 0 to 10.
(Optional) Sets the delay interval between each iteration. Valid values for the
seconds argument are 0 to 255 seconds.
(Optional) Dumps the memory segment starting with the specified memory
address and size specified for the address and size arguments.
(Optional) Specifies the number of times to display information. Valid
values for the count argument are 0 to 255 iterations.
(Optional) Sets the priority level for the following operation. Valid values for
the level argument are 1 to 63.
(Optional) Displays only stack trace information.
(Optional) Follows the TID of a process or job ID specified for the tid
argument.
(Optional) Displays register and status information pertaining to the target
process.
Modification
This command was introduced on the Cisco ASR 14000 Series Router.
Cisco ASR 14000 Series Router System Management Command Reference
follow
SMR-513