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libsysprof-gtk: add track for samples with context switches

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This commit is contained in:
Christian Hergert
2023-07-05 16:31:45 -07:00
parent 3722dfefd2
commit 9263624fa0
3 changed files with 103 additions and 12 deletions
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68
src/libsysprof-gtk/sysprof-session-discover.c
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@ -37,6 +37,12 @@ typedef enum _LineFlags
LINE_FLAGS_NO_SPLINE = 1 << 1,
} LineFlags;
typedef struct _SysprofTrackSamples
{
SysprofSession *session;
GListModel *samples;
} SysprofTrackSamples;
typedef struct _SysprofTrackCounter
{
const char *track_name;
@ -99,6 +105,26 @@ static const SysprofTrackCounter discovery_counters[] = {
};
static void
sysprof_track_samples_free (SysprofTrackSamples *samples)
{
g_clear_object (&samples->samples);
g_clear_weak_pointer (&samples->session);
g_free (samples);
}
static SysprofTrackSamples *
sysprof_track_samples_new (SysprofSession *session,
GListModel *samples)
{
SysprofTrackSamples *state;
state = g_new0 (SysprofTrackSamples, 1);
state->samples = g_object_ref (samples);
g_set_weak_pointer (&state->session, session);
return state;
}
static void
sysprof_track_counter_chart_free (SysprofTrackCounterChart *info)
{
@ -158,24 +184,23 @@ filter_counters (GListModel *model,
}
static GtkWidget *
create_chart_for_samples (SysprofSession *session,
SysprofTrack *track)
create_chart_for_samples (SysprofTrack *track,
SysprofTrackSamples *state)
{
g_autoptr(SysprofSeries) xy_series = NULL;
g_autoptr(SysprofAxis) y_axis = NULL;
SysprofChartLayer *layer;
SysprofDocument *document;
SysprofChart *chart;
SysprofAxis *x_axis = NULL;
g_assert (SYSPROF_IS_SESSION (session));
g_assert (state != NULL);
g_assert (SYSPROF_IS_SESSION (state->session));
g_assert (SYSPROF_IS_TRACK (track));
document = sysprof_session_get_document (session);
x_axis = sysprof_session_get_visible_time_axis (session);
x_axis = sysprof_session_get_visible_time_axis (state->session);
y_axis = sysprof_value_axis_new (0, 128);
xy_series = sysprof_xy_series_new (sysprof_track_get_title (track),
sysprof_document_list_samples (document),
g_object_ref (state->samples),
gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_SAMPLE, NULL, "time"),
gtk_property_expression_new (SYSPROF_TYPE_DOCUMENT_SAMPLE, NULL, "stack-depth"));
@ -196,12 +221,14 @@ sysprof_session_discover_sampler (SysprofSession *self,
GListStore *tracks)
{
g_autoptr(GListModel) samples = NULL;
g_autoptr(GListModel) samples_with_context_switch = NULL;
g_assert (SYSPROF_IS_SESSION (self));
g_assert (SYSPROF_IS_DOCUMENT (document));
g_assert (G_IS_LIST_STORE (tracks));
samples = sysprof_document_list_samples (document);
samples_with_context_switch = sysprof_document_list_samples_with_context_switch (document);
if (g_list_model_get_n_items (samples) > 0)
{
@ -210,12 +237,29 @@ sysprof_session_discover_sampler (SysprofSession *self,
track = g_object_new (SYSPROF_TYPE_TRACK,
"title", _("Profiler"),
NULL);
g_signal_connect_object (track,
"create-chart",
G_CALLBACK (create_chart_for_samples),
self,
G_CONNECT_SWAPPED);
g_signal_connect_data (track,
"create-chart",
G_CALLBACK (create_chart_for_samples),
sysprof_track_samples_new (self, samples),
(GClosureNotify)sysprof_track_samples_free,
0);
g_list_store_append (tracks, track);
if (g_list_model_get_n_items (samples_with_context_switch))
{
g_autoptr(SysprofTrack) subtrack = NULL;
subtrack = g_object_new (SYSPROF_TYPE_TRACK,
"title", _("Context Switches"),
NULL);
g_signal_connect_data (subtrack,
"create-chart",
G_CALLBACK (create_chart_for_samples),
sysprof_track_samples_new (self, samples_with_context_switch),
(GClosureNotify)sysprof_track_samples_free,
0);
_sysprof_track_add_subtrack (track, subtrack);
}
}
}