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sysprofd: add RAPL profiler on the org.gnome.Sysprof3 D-Bus peer

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This allows consumers to get a RAPL profiler object on the D-Bus at
org.gnome.Sysprof3 with path /org/gnome/Sysprof3/RAPL. This can be used
by the clients to record extra power statistics.

It requires the `turbostat` program to be installed, and is provided in
packages such as `kernel-tools` on Fedora. Distributions may want to
ensure that is available as a dependency of Sysprof, but it is not
strictly required.
This commit is contained in:
Christian Hergert
2019-07-30 15:29:43 -07:00
parent 41f8565a25
commit a3d0ddc231
6 changed files with 943 additions and 1 deletions
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49
src/sysprofd/sysprof-turbostat.h Normal file
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/* sysprof-turbostat.h
*
* Copyright 2019 Christian Hergert <chergert@redhat.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* SPDX-License-Identifier: GPL-3.0-or-later
*/
#pragma once
#include <glib.h>
G_BEGIN_DECLS
typedef struct _SysprofTurbostat SysprofTurbostat;
typedef struct
{
gint core;
gint cpu;
gdouble pkg_watt;
gdouble core_watt;
gdouble gfx_watt;
gdouble ram_watt;
} SysprofTurbostatSample;
SysprofTurbostat *sysprof_turbostat_new (void);
gboolean sysprof_turbostat_start (SysprofTurbostat *self,
GError **error);
void sysprof_turbostat_stop (SysprofTurbostat *self);
GArray *sysprof_turbostat_sample (SysprofTurbostat *self,
GError **error);
void sysprof_turbostat_free (SysprofTurbostat *self);
G_DEFINE_AUTOPTR_CLEANUP_FUNC (SysprofTurbostat, sysprof_turbostat_free)
G_END_DECLS