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libsysprof: implement various serialization hooks

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This commit is contained in:
Christian Hergert
2019-05-23 18:09:42 -07:00
parent 7d6acdfc03
commit 404317d49d
3 changed files with 97 additions and 3 deletions
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41
src/libsysprof/sysprof-local-profiler.c
View File

@ -33,6 +33,13 @@
#include "sysprof-local-profiler.h"
#include "sysprof-platform.h"
#include "sysprof-hostinfo-source.h"
#ifdef __linux__
# include "sysprof-perf-source.h"
#endif
#include "sysprof-proc-source.h"
#include "sysprof-proxy-source.h"
#define CSTRV(s) ((const gchar * const *)s)
typedef struct
@ -386,6 +393,13 @@ sysprof_local_profiler_class_init (SysprofLocalProfilerClass *klass)
g_object_class_override_property (object_class, PROP_SPAWN_ENV, "spawn-env");
g_object_class_override_property (object_class, PROP_SPAWN_INHERIT_ENVIRON, "spawn-inherit-environ");
g_object_class_override_property (object_class, PROP_WHOLE_SYSTEM, "whole-system");
g_type_ensure (SYSPROF_TYPE_HOSTINFO_SOURCE);
g_type_ensure (SYSPROF_TYPE_PROC_SOURCE);
#ifdef __linux__
g_type_ensure (SYSPROF_TYPE_PERF_SOURCE);
#endif
g_type_ensure (SYSPROF_TYPE_PROXY_SOURCE);
}
static void
@ -627,13 +641,15 @@ sysprof_local_profiler_authorize_cb (GObject *object,
}
}
g_key_file_set_integer (keyfile, "profiler", "n-sources", priv->sources->len);
for (guint i = 0; i < priv->sources->len; i++)
{
SysprofSource *source = g_ptr_array_index (priv->sources, i);
g_autofree gchar *name = g_strdup_printf ("Source.%s", G_OBJECT_TYPE_NAME (source));
g_autofree gchar *group = g_strdup_printf ("source-%u", i);
/* TODO: Allow sources to add information here */
g_key_file_set_boolean (keyfile, name, "enabled", TRUE);
g_key_file_set_string (keyfile, group, "gtype", G_OBJECT_TYPE_NAME (source));
sysprof_source_serialize (source, keyfile, group);
if (priv->whole_system == FALSE)
{
@ -980,6 +996,7 @@ sysprof_local_profiler_new_replay (SysprofCaptureReader *reader)
g_auto(GStrv) env = NULL;
gboolean inherit;
gboolean spawn;
gint n_sources;
g_return_val_if_fail (reader != NULL, NULL);
@ -997,11 +1014,29 @@ sysprof_local_profiler_new_replay (SysprofCaptureReader *reader)
inherit = g_key_file_get_boolean (keyfile, "profiler", "spawn-inherit-environ", NULL);
argv = g_key_file_get_string_list (keyfile, "profiler", "spawn-argv", NULL, NULL);
env = g_key_file_get_string_list (keyfile, "profiler", "spawn-env", NULL, NULL);
n_sources = g_key_file_get_integer (keyfile, "profiler", "n-sources", NULL);
sysprof_profiler_set_spawn (SYSPROF_PROFILER (self), spawn);
sysprof_profiler_set_spawn_argv (SYSPROF_PROFILER (self), CSTRV (argv));
sysprof_profiler_set_spawn_env (SYSPROF_PROFILER (self), CSTRV (env));
sysprof_profiler_set_spawn_inherit_environ (SYSPROF_PROFILER (self), inherit);
for (guint i = 0; i < n_sources; i++)
{
g_autofree gchar *group = g_strdup_printf ("source-%u", i);
g_autofree gchar *type_name = NULL;
g_autoptr(SysprofSource) source = NULL;
GType gtype;
if (!g_key_file_has_group (keyfile, group) ||
!(type_name = g_key_file_get_string (keyfile, group, "gtype", NULL)) ||
!(gtype = g_type_from_name (type_name)) ||
!(source = g_object_new (gtype, NULL)))
continue;
sysprof_source_deserialize (source, keyfile, group);
sysprof_local_profiler_add_source (SYSPROF_PROFILER (self), source);
}
return SYSPROF_PROFILER (g_steal_pointer (&self));
}

26
src/libsysprof/sysprof-source.c
View File

@ -152,3 +152,29 @@ sysprof_source_modify_spawn (SysprofSource *self,
if (SYSPROF_SOURCE_GET_IFACE (self)->modify_spawn)
SYSPROF_SOURCE_GET_IFACE (self)->modify_spawn (self, launcher, argv);
}
void
sysprof_source_serialize (SysprofSource *self,
GKeyFile *keyfile,
const gchar *group)
{
g_return_if_fail (SYSPROF_IS_SOURCE (self));
g_return_if_fail (keyfile != NULL);
g_return_if_fail (group != NULL);
if (SYSPROF_SOURCE_GET_IFACE (self)->serialize)
SYSPROF_SOURCE_GET_IFACE (self)->serialize (self, keyfile, group);
}
void
sysprof_source_deserialize (SysprofSource *self,
GKeyFile *keyfile,
const gchar *group)
{
g_return_if_fail (SYSPROF_IS_SOURCE (self));
g_return_if_fail (keyfile != NULL);
g_return_if_fail (group != NULL);
if (SYSPROF_SOURCE_GET_IFACE (self)->deserialize)
SYSPROF_SOURCE_GET_IFACE (self)->deserialize (self, keyfile, group);
}

33
src/libsysprof/sysprof-source.h
View File

@ -132,6 +132,31 @@ struct _SysprofSourceInterface
void (*modify_spawn) (SysprofSource *self,
GSubprocessLauncher *launcher,
GPtrArray *argv);
/**
* SysprofSource::serialize:
* @self: a #SysprofSource
* @keyfile: a #GKeyFile
* @group: the keyfile group to use
*
* Requests that the source serialize itself into the keyfile
* so that it may be replayed at a future point in time.
*/
void (*serialize) (SysprofSource *self,
GKeyFile *keyfile,
const gchar *group);
/**
* SysprofSource::deserialize:
* @self: a #SysprofSource
* @keyfile: a #GKeyFile
* @group: the keyfile group to use
*
* Deserialize from the saved state.
*/
void (*deserialize) (SysprofSource *self,
GKeyFile *keyfile,
const gchar *group);
};
SYSPROF_AVAILABLE_IN_ALL
@ -159,5 +184,13 @@ SYSPROF_AVAILABLE_IN_ALL
void sysprof_source_modify_spawn (SysprofSource *self,
GSubprocessLauncher *launcher,
GPtrArray *argv);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_source_serialize (SysprofSource *self,
GKeyFile *keyfile,
const gchar *group);
SYSPROF_AVAILABLE_IN_ALL
void sysprof_source_deserialize (SysprofSource *self,
GKeyFile *keyfile,
const gchar *group);
G_END_DECLS