^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 1) # SPDX-License-Identifier: GPL-2.0
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 2) #
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 3) # Copyright (c) NXP 2019
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 4)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 5) import gdb
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 6) import sys
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 7)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 8) from linux.utils import CachedType
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 9) from linux.lists import list_for_each_entry
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 10)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 11) generic_pm_domain_type = CachedType('struct generic_pm_domain')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 12) pm_domain_data_type = CachedType('struct pm_domain_data')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 13) device_link_type = CachedType('struct device_link')
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 14)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 15)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 16) def kobject_get_path(kobj):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 17) path = kobj['name'].string()
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 18) parent = kobj['parent']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 19) if parent:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 20) path = kobject_get_path(parent) + '/' + path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 21) return path
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 22)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 23)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 24) def rtpm_status_str(dev):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 25) if dev['power']['runtime_error']:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 26) return 'error'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 27) if dev['power']['disable_depth']:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 28) return 'unsupported'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 29) _RPM_STATUS_LOOKUP = [
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 30) "active",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 31) "resuming",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 32) "suspended",
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 33) "suspending"
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 34) ]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 35) return _RPM_STATUS_LOOKUP[dev['power']['runtime_status']]
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 36)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 37)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 38) class LxGenPDSummary(gdb.Command):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 39) '''Print genpd summary
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 40)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 41) Output is similar to /sys/kernel/debug/pm_genpd/pm_genpd_summary'''
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 42)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 43) def __init__(self):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 44) super(LxGenPDSummary, self).__init__('lx-genpd-summary', gdb.COMMAND_DATA)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 45)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 46) def summary_one(self, genpd):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 47) if genpd['status'] == 0:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 48) status_string = 'on'
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 49) else:
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 50) status_string = 'off-{}'.format(genpd['state_idx'])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 51)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 52) child_names = []
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 53) for link in list_for_each_entry(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 54) genpd['parent_links'],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 55) device_link_type.get_type().pointer(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 56) 'parent_node'):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 57) child_names.append(link['child']['name'])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 58)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 59) gdb.write('%-30s %-15s %s\n' % (
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 60) genpd['name'].string(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 61) status_string,
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 62) ', '.join(child_names)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 63)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 64) # Print devices in domain
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 65) for pm_data in list_for_each_entry(genpd['dev_list'],
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 66) pm_domain_data_type.get_type().pointer(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 67) 'list_node'):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 68) dev = pm_data['dev']
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 69) kobj_path = kobject_get_path(dev['kobj'])
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 70) gdb.write(' %-50s %s\n' % (kobj_path, rtpm_status_str(dev)))
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 71)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 72) def invoke(self, arg, from_tty):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 73) gdb.write('domain status children\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 74) gdb.write(' /device runtime status\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 75) gdb.write('----------------------------------------------------------------------\n');
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 76) for genpd in list_for_each_entry(
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 77) gdb.parse_and_eval('&gpd_list'),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 78) generic_pm_domain_type.get_type().pointer(),
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 79) 'gpd_list_node'):
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 80) self.summary_one(genpd)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 81)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 82)
^8f3ce5b39 (kx 2023-10-28 12:00:06 +0300 83) LxGenPDSummary()
Orange Pi5 kernel
Deprecated Linux kernel 5.10.110 for OrangePi 5/5B/5+ boards
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