def check_capture_kernel_memory_allocation(self):
"""Memory allocated for capture kernel"""
status = None
allocated_mem_size = None
kexec_crash_size = "/sys/kernel/kexec_crash_size"
mem_alloc_capture_kernel = get_file_content(kexec_crash_size)
self.log.debug("kexec crash size %s: %s", kexec_crash_size,
mem_alloc_capture_kernel)
if mem_alloc_capture_kernel is None:
self.log.error("Memory allocation to capture kernel failed")
status = False
else:
try:
allocated_mem_size = int(
mem_alloc_capture_kernel) / 1024 / 1024
status = self.is_capture_kernel_memory_sufficient(
allocated_mem_size)
except ValueError as value_error:
self.log.error("Invalid crash size found %s, error: %s",
kexec_crash_size, value_error)
status = False
kdump_mem = SysfsCheck(
self.check_capture_kernel_memory_allocation.__doc__,
kexec_crash_size, status)
kdump_mem.set_sysfs_value_found(allocated_mem_size)
kdump_mem.set_sysfs_expected_value(
self.get_required_mem_for_capture_kernel())
return kdump_mem
def check_mem_reservation(self):
"""Memory reservation"""
status = True
mem_needed = self.get_crash_mem_needed()
mem_reserved = self.get_mem_reserved()
if mem_needed is None or mem_reserved is None:
status = None
elif mem_needed > mem_reserved:
self.log.error("Memory reserved for FADump is insufficient")
self.log.recommendation("Increase the memory reservation to %d MB",
mem_needed)
status = False
if status:
self.log.info("Sufficient memory reserved for dump collection")
mem_reserve_check = SysfsCheck(self.check_mem_reservation.__doc__, "",
status)
mem_reserve_check.set_sysfs_value_found(mem_reserved)
mem_reserve_check.set_sysfs_expected_value(mem_needed)
return mem_reserve_check
def check_is_kexec_crash_loaded(self):
"""Capture kernel load status"""
status = True
kexec_crash_loaded = "/sys/kernel/kexec_crash_loaded"
try:
kexec_crash_status = int(get_file_content(kexec_crash_loaded))
if kexec_crash_status is None or kexec_crash_status != 1:
self.log.error("Capture kernel is unavailable")
status = False
except ValueError as value_error:
self.log.error("Invalid data found in file %s, error: %s",
kexec_crash_loaded, value_error)
status = False
kexec_crash_loaded = SysfsCheck(
self.check_is_kexec_crash_loaded.__doc__, kexec_crash_loaded,
status)
kexec_crash_loaded.set_sysfs_value_found(int(kexec_crash_status))
kexec_crash_loaded.set_sysfs_expected_value(1)
return kexec_crash_loaded