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Add columns for process autogroup identifier and nice value

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Adds AGRP (autogroup) and ANI (autogroup nice) columns that
report the information from /proc/PID/autogroup, as well as
handlers for '{' and '}' to change the autogroup nice value.

This is guarded by /proc/sys/kernel/sched_autogroup_enabled
such that sampling and/or changing values wont be attempted
unless the kernel feature is enabled.

Fixes: #720
This commit is contained in:
Nathan Scott
2021-08-06 16:45:30 +10:00
committed by BenBE
parent aa0424ade8
commit 1bd95983b2
13 changed files with 201 additions and 10 deletions
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htop.1.in
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@ -176,6 +176,13 @@ This can only be done by the superuser.
.B F8, [
Decrease the selected process's priority (add to 'nice' value)
.TP
.B }
Increase the selected process's autogroup priority (subtract from autogroup 'nice' value).
This can only be done by the superuser.
.TP
.B {
Decrease the selected process's autogroup priority (add to autogroup 'nice' value)
.TP
.B F9, k
"Kill" process: sends a signal which is selected in a menu, to one or a group
of processes. If processes were tagged, sends the signal to all tagged processes.
@ -484,6 +491,12 @@ The command name for the process. Requires Linux kernel 2.6.33 or newer.
.B EXE
The executable file of the process as reported by the kernel. Requires CAP_SYS_PTRACE and PTRACE_MODE_READ_FSCRED.
.TP
.B AGRP
The autogroup identifier for the process. Requires Linux CFS to be enabled.
.TP
.B ANI
The autogroup nice value for the process autogroup. Requires Linux CFS to be enabled.
.TP
.B All other flags
Currently unsupported (always displays '-').
.SH "EXTERNAL LIBRARIES"