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libsysprof-analyze: start plumbing mounts into namespaces

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This commit is contained in:
Christian Hergert
2023-05-09 21:03:13 -07:00
parent fd6256e68f
commit fa39a3291a
3 changed files with 29 additions and 23 deletions
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29
src/libsysprof-analyze/sysprof-document.c
View File

@ -32,6 +32,7 @@
#include "sysprof-document-frame-private.h"
#include "sysprof-document-mmap.h"
#include "sysprof-document-symbols-private.h"
#include "sysprof-mount-private.h"
#include "sysprof-mount-device-private.h"
#include "sysprof-mount-namespace-private.h"
#include "sysprof-symbolizer-private.h"
@ -327,30 +328,12 @@ sysprof_document_load_mounts (SysprofDocument *self)
}
}
static void
sysprof_document_load_mountinfo_line (SysprofDocument *self,
int pid,
const char *line)
{
g_auto(GStrv) parts = NULL;
gsize n_parts;
g_assert (SYSPROF_IS_DOCUMENT (self));
g_assert (line != NULL);
parts = g_strsplit (line, " ", 0);
n_parts = g_strv_length (parts);
if (n_parts < 10)
return;
}
static void
sysprof_document_load_mountinfo (SysprofDocument *self,
int pid,
GBytes *bytes)
{
g_autoptr(SysprofMountNamespace) mount_namespace = NULL;
const char *contents;
LineReader reader;
gsize contents_len;
@ -365,11 +348,17 @@ sysprof_document_load_mountinfo (SysprofDocument *self,
g_assert (contents != NULL);
g_assert (contents[contents_len] == 0);
mount_namespace = sysprof_mount_namespace_copy (self->mount_namespace);
line_reader_init (&reader, (char *)contents, contents_len);
while ((line = line_reader_next (&reader, &line_len)))
{
g_autoptr(SysprofMount) mount = NULL;
line[line_len] = 0;
sysprof_document_load_mountinfo_line (self, pid, line);
if ((mount = sysprof_mount_new_for_mountinfo (line)))
sysprof_mount_namespace_add_mount (mount_namespace, g_steal_pointer (&mount));
}
}

5
src/libsysprof-analyze/sysprof-mount-namespace-private.h
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@ -22,6 +22,7 @@
#include <glib-object.h>
#include "sysprof-mount-private.h"
#include "sysprof-mount-device-private.h"
G_BEGIN_DECLS
@ -35,9 +36,7 @@ SysprofMountNamespace *sysprof_mount_namespace_copy (SysprofMountNamespa
void sysprof_mount_namespace_add_device (SysprofMountNamespace *self,
SysprofMountDevice *mount);
void sysprof_mount_namespace_add_mount (SysprofMountNamespace *self,
const char *path,
const char *host_path,
int layer);
SysprofMount *mount);
char **sysprof_mount_namespace_translate (SysprofMountNamespace *self,
const char *path);
GMappedFile *sysprof_mount_namespace_open (SysprofMountNamespace *self,

18
src/libsysprof-analyze/sysprof-mount-namespace.c
View File

@ -26,6 +26,7 @@ struct _SysprofMountNamespace
{
GObject parent_instance;
GPtrArray *devices;
GPtrArray *mounts;
};
G_DEFINE_FINAL_TYPE (SysprofMountNamespace, sysprof_mount_namespace, G_TYPE_OBJECT)
@ -36,6 +37,7 @@ sysprof_mount_namespace_finalize (GObject *object)
SysprofMountNamespace *self = (SysprofMountNamespace *)object;
g_clear_pointer (&self->devices, g_ptr_array_unref);
g_clear_pointer (&self->mounts, g_ptr_array_unref);
G_OBJECT_CLASS (sysprof_mount_namespace_parent_class)->finalize (object);
}
@ -92,3 +94,19 @@ sysprof_mount_namespace_add_device (SysprofMountNamespace *self,
g_ptr_array_add (self->devices, device);
}
/**
* sysprof_mount_namespace_add_mount:
* @self: a #SysprofMountNamespace
* @mount: (transfer full): a #SysprofMount
*
*/
void
sysprof_mount_namespace_add_mount (SysprofMountNamespace *self,
SysprofMount *mount)
{
g_return_if_fail (SYSPROF_IS_MOUNT_NAMESPACE (self));
g_return_if_fail (SYSPROF_IS_MOUNT (mount));
g_ptr_array_add (self->mounts, mount);
}