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libsysprof: store some information about the profile in keyfile

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This gets added as a metadata chunk to the capture file so that we can
use it later to recreate the session. The goal is to add something like
ctrl+r to run the capture again with identical settings to the previous
capture.
This commit is contained in:
Christian Hergert
2019-05-23 14:53:39 -07:00
parent b5e06604b4
commit 6a5c00b446
1 changed files with 36 additions and 0 deletions
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36
src/libsysprof/sysprof-local-profiler.c
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@ -494,7 +494,10 @@ sysprof_local_profiler_authorize_cb (GObject *object,
SysprofHelpers *helpers = (SysprofHelpers *)object;
g_autoptr(SysprofLocalProfiler) self = user_data;
SysprofLocalProfilerPrivate *priv = sysprof_local_profiler_get_instance_private (self);
g_autofree gchar *keydata = NULL;
g_autoptr(GError) error = NULL;
g_autoptr(GKeyFile) keyfile = NULL;
gsize keylen = 0;
g_assert (SYSPROF_IS_HELPERS (helpers));
g_assert (G_IS_ASYNC_RESULT (result));
@ -506,6 +509,8 @@ sysprof_local_profiler_authorize_cb (GObject *object,
return;
}
keyfile = g_key_file_new ();
if (priv->writer == NULL)
{
SysprofCaptureWriter *writer;
@ -538,6 +543,14 @@ sysprof_local_profiler_authorize_cb (GObject *object,
if (priv->failures->len > 0)
g_ptr_array_remove_range (priv->failures, 0, priv->failures->len);
g_key_file_set_boolean (keyfile, "profiler", "whole-system", priv->whole_system);
if (priv->pids->len > 0)
g_key_file_set_integer_list (keyfile, "profiler", "pids",
(gint *)(gpointer)priv->pids->data,
priv->pids->len);
g_key_file_set_boolean (keyfile, "profiler", "spawn", priv->spawn);
g_key_file_set_boolean (keyfile, "profiler", "spawn-inherit-environ", priv->spawn_inherit_environ);
if (priv->spawn && priv->spawn_argv && priv->spawn_argv[0])
{
g_autoptr(GPtrArray) env = g_ptr_array_new_with_free_func (g_free);
@ -557,6 +570,9 @@ sysprof_local_profiler_authorize_cb (GObject *object,
if (priv->spawn_env)
{
g_key_file_set_string_list (keyfile, "profiler", "spawn-env",
(const gchar * const *)priv->spawn_env,
g_strv_length (priv->spawn_env));
for (guint i = 0; priv->spawn_env[i]; i++)
g_ptr_array_add (env, g_strdup (priv->spawn_env[i]));
}
@ -573,6 +589,13 @@ sysprof_local_profiler_authorize_cb (GObject *object,
g_ptr_array_add (argv, g_strdup (priv->spawn_argv[i]));
}
/* Save argv before modifying */
g_key_file_set_string_list (keyfile,
"profiler",
"spawn-argv",
(const gchar * const *)argv->pdata,
argv->len);
for (guint i = 0; i < priv->sources->len; i++)
{
SysprofSource *source = g_ptr_array_index (priv->sources, i);
@ -602,6 +625,10 @@ sysprof_local_profiler_authorize_cb (GObject *object,
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));
/* TODO: Allow sources to add information here */
g_key_file_set_boolean (keyfile, name, "enabled", TRUE);
if (priv->whole_system == FALSE)
{
@ -625,6 +652,15 @@ sysprof_local_profiler_authorize_cb (GObject *object,
g_ptr_array_add (priv->starting, g_object_ref (source));
}
if ((keydata = g_key_file_to_data (keyfile, &keylen, NULL)))
sysprof_capture_writer_add_metadata (priv->writer,
SYSPROF_CAPTURE_CURRENT_TIME,
-1,
-1,
"local-profiler",
keydata,
keylen);
if (priv->starting->len == 0)
sysprof_local_profiler_finish_startup (self);
}