Files
glib/gio/gmemorymonitorpsi.h
Kate Hsuan 308709b8d9 gio: gmemorymonitorpsi: Kernel PSI backend for GMemoryMonitor
The PSI backend is based on Kernel PSI [1]. It monitors the memory
allocation time with in a given time window. If the allocation time
is more than the given threshold, Kernel signal the application to
deliver the memory pressure events.

The current thresholds are:
LOW: 70ms out of 2 seconds for partial stall
MEDIUM: 100ms out of 2 seconds for partial stall
CRITICAL: 100ms out of 2 seconds for full stall

[1] https://docs.kernel.org/accounting/psi.html
2025-07-21 17:39:25 +01:00

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1.2 KiB
C

/* GIO - GLib Input, Output and Streaming Library
*
* Copyright 2025 Red Hat, Inc.
*
* SPDX-License-Identifier: LGPL-2.1-or-later
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General
* Public License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef __G_MEMORY_MONITOR_PSI_H__
#define __G_MEMORY_MONITOR_PSI_H__
#include "gmemorymonitorbase.h"
#include <glib-object.h>
G_BEGIN_DECLS
#define G_TYPE_MEMORY_MONITOR_PSI (g_memory_monitor_psi_get_type ())
G_DECLARE_FINAL_TYPE (GMemoryMonitorPsi, g_memory_monitor_psi, G, MEMORY_MONITOR_PSI, GMemoryMonitorBase)
GIO_AVAILABLE_IN_2_86
GType g_memory_monitor_psi_get_type (void);
G_END_DECLS
#endif /* __G_MEMORY_MONITOR_PSI_H__ */