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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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30
linux/Platform.c
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@ -150,8 +150,38 @@ static Htop_Reaction Platform_actionSetIOPriority(State* st) {
return HTOP_REFRESH | HTOP_REDRAW_BAR | HTOP_UPDATE_PANELHDR;
}
static bool Platform_changeAutogroupPriority(MainPanel* panel, int delta) {
if (LinuxProcess_isAutogroupEnabled() == false) {
beep();
return false;
}
bool anyTagged;
bool ok = MainPanel_foreachProcess(panel, LinuxProcess_changeAutogroupPriorityBy, (Arg) { .i = delta }, &anyTagged);
if (!ok)
beep();
return anyTagged;
}
static Htop_Reaction Platform_actionHigherAutogroupPriority(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
bool changed = Platform_changeAutogroupPriority(st->mainPanel, -1);
return changed ? HTOP_REFRESH : HTOP_OK;
}
static Htop_Reaction Platform_actionLowerAutogroupPriority(State* st) {
if (Settings_isReadonly())
return HTOP_OK;
bool changed = Platform_changeAutogroupPriority(st->mainPanel, 1);
return changed ? HTOP_REFRESH : HTOP_OK;
}
void Platform_setBindings(Htop_Action* keys) {
keys['i'] = Platform_actionSetIOPriority;
keys['{'] = Platform_actionLowerAutogroupPriority;
keys['}'] = Platform_actionHigherAutogroupPriority;
}
const MeterClass* const Platform_meterTypes[] = {