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author | Jan Kiszka <jan.kiszka@siemens.com> | 2015-02-17 22:47:29 +0100 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-02-17 23:34:54 +0100 |
commit | 5403727f985ba39967c899a56fff5bbd2c9a9f36 (patch) | |
tree | 01baa4cd5fd18c4b544c881e1a744cc8103ddf7d /scripts | |
parent | scripts/gdb: add class to iterate over CPU masks (diff) | |
download | linux-5403727f985ba39967c899a56fff5bbd2c9a9f36.tar.xz linux-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 'scripts')
-rw-r--r-- | scripts/gdb/linux/modules.py | 46 |
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() |