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authorJan Kiszka <jan.kiszka@siemens.com>2015-02-17 13:47:29 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2015-02-17 14:34:54 -0800
commit5403727f985ba39967c899a56fff5bbd2c9a9f36 (patch)
tree01baa4cd5fd18c4b544c881e1a744cc8103ddf7d /scripts
parentscripts/gdb: add class to iterate over CPU masks (diff)
downloadlinux-dev-5403727f985ba39967c899a56fff5bbd2c9a9f36.tar.xz
linux-dev-5403727f985ba39967c899a56fff5bbd2c9a9f36.zip
scripts/gdb: add lx-lsmod command
This adds a lsmod-like command to list all currently loaded modules of the target. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Cc: Thomas Gleixner <tglx@linutronix.de> Cc: Jason Wessel <jason.wessel@windriver.com> Cc: Andi Kleen <andi@firstfloor.org> Cc: Ben Widawsky <ben@bwidawsk.net> Cc: Borislav Petkov <bp@suse.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to '')
-rw-r--r--scripts/gdb/linux/modules.py46
1 files changed, 45 insertions, 1 deletions
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py
index 531f7632d03f..e7c99e9c9620 100644
--- a/scripts/gdb/linux/modules.py
+++ b/scripts/gdb/linux/modules.py
@@ -13,7 +13,7 @@
import gdb
-from linux import utils
+from linux import cpus, utils
module_type = utils.CachedType("struct module")
@@ -65,3 +65,47 @@ of the target and return that module variable which MODULE matches."""
LxModule()
+
+
+class LxLsmod(gdb.Command):
+ """List currently loaded modules."""
+
+ _module_use_type = utils.CachedType("struct module_use")
+
+ def __init__(self):
+ super(LxLsmod, self).__init__("lx-lsmod", gdb.COMMAND_DATA)
+
+ def invoke(self, arg, from_tty):
+ gdb.write(
+ "Address{0} Module Size Used by\n".format(
+ " " if utils.get_long_type().sizeof == 8 else ""))
+
+ for module in ModuleList():
+ ref = 0
+ module_refptr = module['refptr']
+ for cpu in cpus.CpuList("cpu_possible_mask"):
+ refptr = cpus.per_cpu(module_refptr, cpu)
+ ref += refptr['incs']
+ ref -= refptr['decs']
+
+ gdb.write("{address} {name:<19} {size:>8} {ref}".format(
+ address=str(module['module_core']).split()[0],
+ name=module['name'].string(),
+ size=module['core_size'],
+ ref=ref))
+
+ source_list = module['source_list']
+ t = self._module_use_type.get_type().pointer()
+ entry = source_list['next']
+ first = True
+ while entry != source_list.address:
+ use = utils.container_of(entry, t, "source_list")
+ gdb.write("{separator}{name}".format(
+ separator=" " if first else ",",
+ name=use['source']['name'].string()))
+ first = False
+ entry = entry['next']
+ gdb.write("\n")
+
+
+LxLsmod()