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libsysprof-profiler: convert perf event attr to variant

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This commit is contained in:
Christian Hergert
2023-06-03 23:53:38 -07:00
parent fb81867bf5
commit 5b5916bdcd
1 changed files with 42 additions and 2 deletions
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44
src/libsysprof-profile/sysprof-perf-event-stream.c
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@ -106,6 +106,44 @@ G_DEFINE_FINAL_TYPE (SysprofPerfEventStream, sysprof_perf_event_stream, G_TYPE_O
static GParamSpec *properties [N_PROPS];
static GVariant *
build_options_dict (const struct perf_event_attr *attr)
{
return g_variant_take_ref (
g_variant_new_parsed ("["
"{'comm', <%b>},"
#ifdef HAVE_PERF_CLOCKID
"{'clockid', <%i>},"
"{'use_clockid', <%b>},"
#endif
"{'config', <%t>},"
"{'disabled', <%b>},"
"{'exclude_idle', <%b>},"
"{'mmap', <%b>},"
"{'wakeup_events', <%u>},"
"{'sample_id_all', <%b>},"
"{'sample_period', <%t>},"
"{'sample_type', <%t>},"
"{'task', <%b>},"
"{'type', <%u>}"
"]",
(gboolean)!!attr->comm,
#ifdef HAVE_PERF_CLOCKID
(gint32)attr->clockid,
(gboolean)!!attr->use_clockid,
#endif
(guint64)attr->config,
(gboolean)!!attr->disabled,
(gboolean)!!attr->exclude_idle,
(gboolean)!!attr->mmap,
(guint32)attr->wakeup_events,
(gboolean)!!attr->sample_id_all,
(guint64)attr->sample_period,
(guint64)attr->sample_type,
(gboolean)!!attr->task,
(guint32)attr->type));
}
static void
sysprof_perf_event_stream_flush (SysprofPerfEventStream *self)
{
@ -333,7 +371,7 @@ sysprof_perf_event_stream_new (GDBusConnection *connection,
g_autoptr(SysprofPerfEventStream) self = NULL;
g_autoptr(GUnixFDList) fd_list = NULL;
g_autoptr(DexPromise) promise = NULL;
GVariantDict options = G_VARIANT_DICT_INIT (NULL);
g_autoptr(GVariant) options = NULL;
int group_fd_handle = -1;
g_return_val_if_fail (G_IS_DBUS_CONNECTION (connection), NULL);
@ -364,13 +402,15 @@ sysprof_perf_event_stream_new (GDBusConnection *connection,
if (group_fd > -1)
group_fd_handle = g_unix_fd_list_append (fd_list, group_fd, NULL);
options = build_options_dict (attr);
g_dbus_connection_call_with_unix_fd_list (connection,
"org.gnome.Sysprof3",
"/org/gnome/Sysprof3",
"org.gnome.Sysprof3.Service",
"PerfEventOpen",
g_variant_new ("(@a{sv}iiht)",
g_variant_dict_end (&options),
options,
-1,
cpu,
group_fd_handle,