From: Jan Kiszka <jan.kiszka@siemens.com>
To: Andrew Morton <akpm@linux-foundation.org>, linux-kernel@vger.kernel.org
Cc: Thomas Gleixner <tglx@linutronix.de>,
Jason Wessel <jason.wessel@windriver.com>,
kgdb-bugreport@lists.sourceforge.net,
Andi Kleen <andi@firstfloor.org>, Tom Tromey <tromey@redhat.com>,
Ben Widawsky <ben@bwidawsk.net>, Borislav Petkov <bp@suse.de>
Subject: [PATCH v11 20/28] scripts/gdb: Add lx-lsmod command
Date: Thu, 29 Jan 2015 07:46:39 +0100 [thread overview]
Message-ID: <3cd26d0e0533cc2eeb4d0f155b2b315766606fe7.1422514006.git.jan.kiszka@siemens.com> (raw)
In-Reply-To: <cover.1422514006.git.jan.kiszka@siemens.com>
In-Reply-To: <cover.1422514006.git.jan.kiszka@siemens.com>
This adds a lsmod-like command to list all currently loaded modules of
the target.
Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
---
scripts/gdb/linux/modules.py | 46 +++++++++++++++++++++++++++++++++++++++++++-
1 file changed, 45 insertions(+), 1 deletion(-)
diff --git a/scripts/gdb/linux/modules.py b/scripts/gdb/linux/modules.py
index 531f763..e7c99e9 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()
--
2.1.4
next prev parent reply other threads:[~2015-01-29 6:54 UTC|newest]
Thread overview: 35+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-01-29 6:46 [PATCH v11 00/28] Add gdb python scripts as kernel debugging helpers Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 01/28] scripts/gdb: Add infrastructure Jan Kiszka
2015-01-29 13:23 ` Michal Marek
2015-01-29 13:37 ` Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 02/28] scripts/gdb: Add cache for type objects Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 03/28] scripts/gdb: Add container_of helper and convenience function Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 04/28] scripts/gdb: Add module iteration class Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 05/28] scripts/gdb: Add lx-symbols command Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 06/28] module: Do not inline do_init_module Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 07/28] scripts/gdb: Add automatic symbol reloading on module insertion Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 08/28] scripts/gdb: Add internal helper and convenience function to look up a module Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 09/28] scripts/gdb: Add get_target_endianness helper Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 10/28] scripts/gdb: Add read_u16/32/64 helpers Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 11/28] scripts/gdb: Add lx-dmesg command Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 12/28] scripts/gdb: Add task iteration class Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 13/28] scripts/gdb: Add helper and convenience function to look up tasks Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 14/28] scripts/gdb: Add is_target_arch helper Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 15/28] scripts/gdb: Add internal helper and convenience function to retrieve thread_info Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 16/28] scripts/gdb: Add get_gdbserver_type helper Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 17/28] scripts/gdb: Add internal helper and convenience function for per-cpu lookup Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 18/28] scripts/gdb: Add lx_current convenience function Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 19/28] scripts/gdb: Add class to iterate over CPU masks Jan Kiszka
2015-01-29 6:46 ` Jan Kiszka [this message]
2015-01-29 6:46 ` [PATCH v11 21/28] scripts/gdb: Add basic documentation Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 22/28] scripts/gdb: Port to python3 / gdb7.7 Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 23/28] scripts/gdb: Ignore byte-compiled python files Jan Kiszka
2015-01-29 13:15 ` Michal Marek
2015-01-29 13:35 ` Jan Kiszka
2015-01-29 14:34 ` Daniel Thompson
2015-01-29 14:41 ` Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 24/28] scripts/gdb: Use a generator instead of iterator for task list Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 25/28] scripts/gdb: Convert ModuleList to generator function Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 26/28] scripts/gdb: Convert CpuList " Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 27/28] scripts/gdb: Define maintainer Jan Kiszka
2015-01-29 6:46 ` [PATCH v11 28/28] scripts/gdb: Disable pagination while printing from breakpoint handler Jan Kiszka
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