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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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10
src/sysprofd/sysprofd.c
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@ -24,15 +24,18 @@
#include <gio/gio.h>
#include <stdlib.h>
#include <sysprof-capture.h>
#include "ipc-legacy.h"
#include "ipc-service.h"
#include "ipc-legacy-impl.h"
#include "ipc-rapl-profiler.h"
#include "ipc-service-impl.h"
#define V2_PATH "/org/gnome/Sysprof2"
#define V3_PATH "/org/gnome/Sysprof3"
#define RAPL_PATH "/org/gnome/Sysprof3/RAPL"
#define NAME_ACQUIRE_DELAY_SECS 3
#define INACTIVITY_TIMEOUT_SECS 120
@ -115,6 +118,8 @@ main (gint argc,
g_autoptr(GError) error = NULL;
GBusType bus_type = G_BUS_TYPE_SYSTEM;
sysprof_clock_init ();
g_set_prgname ("sysprofd");
g_set_application_name ("sysprofd");
@ -123,15 +128,18 @@ main (gint argc,
if ((bus = g_bus_get_sync (bus_type, NULL, &error)))
{
g_autoptr(IpcLegacySysprof2) v2_service = ipc_legacy_impl_new ();
g_autoptr(IpcProfiler) rapl = ipc_rapl_profiler_new ();
g_autoptr(IpcService) v3_service = ipc_service_impl_new ();
g_signal_connect (v3_service, "activity", G_CALLBACK (activity_cb), NULL);
g_signal_connect (v2_service, "activity", G_CALLBACK (activity_cb), NULL);
g_signal_connect (rapl, "activity", G_CALLBACK (activity_cb), NULL);
activity_cb (NULL, NULL);
if (g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (v3_service), bus, V3_PATH, &error) &&
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (v2_service), bus, V2_PATH, &error))
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (v2_service), bus, V2_PATH, &error) &&
g_dbus_interface_skeleton_export (G_DBUS_INTERFACE_SKELETON (rapl), bus, RAPL_PATH, &error))
{
for (guint i = 0; i < G_N_ELEMENTS (bus_names); i++)
{