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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/trace/ring_buffer.c alloc_buffer() -> rb_allocate_cpu_buffer()

Type Parameter Key Value
PARAM_VALUE 0 buffer 4096-ptr_max
PARAM_VALUE 0 buffer->buffers 16,4096-ptr_max
PARAM_VALUE 0 buffer->clock 268515595380424704
PARAM_VALUE 0 buffer->cpumask 1-u64max
PARAM_VALUE 0 buffer->cpumask->bits 4096-ptr_max
PARAM_VALUE 0 buffer->cpus 0-8193
PARAM_VALUE 0 buffer->flags 0-3
PARAM_VALUE 0 buffer->irq_work.waiters.head.next 4096-ptr_max
PARAM_VALUE 0 buffer->irq_work.waiters.head.next->next 4096-ptr_max
PARAM_VALUE 0 buffer->irq_work.waiters.head.prev 4096-ptr_max
PARAM_VALUE 0 buffer->irq_work.waiters.head.prev->next 4096-ptr_max
PARAM_VALUE 0 buffer->irq_work.waiters.head.prev->prev 4096-ptr_max
PARAM_VALUE 0 buffer->max_data_size 4072
PARAM_VALUE 0 buffer->meta->magic 195952365
PARAM_VALUE 0 buffer->meta->struct_sizes 1572904
PARAM_VALUE 0 buffer->meta->total_size 1-u64max
PARAM_VALUE 0 buffer->reader_lock_key 195105428146065408,1685562058564644864,2209997585349664768,6799004575533862912,8151620029876428800
PARAM_VALUE 0 buffer->subbuf_order 0
PARAM_VALUE 0 buffer->subbuf_size 4080
PARAM_VALUE 2 cpu 0
BUF_SIZE 0 buffer 0-66046
BUF_SIZE 0 buffer 0-66046
BUF_SIZE 0 buffer->buffers 0-131078
BUF_SIZE 0 buffer->remote (-1),32
DATA_SOURCE 0 buffer r _kzalloc_noprof
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 _T->lock

kernel/trace/ring_buffer.c trace_rb_cpu_prepare() -> rb_allocate_cpu_buffer()

Type Parameter Key Value
PARAM_VALUE 0 buffer 4096-ptr_max
PARAM_VALUE 0 buffer->cpumask 4096-ptr_max
PARAM_VALUE 0 buffer->cpumask->bits 4096-ptr_max
PARAM_VALUE 2 cpu 0-s32max
CAPPED_DATA 1 nr_pages 1
DATA_SOURCE 2 cpu $0
UNITS 1 nr_pages unit_byte