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Documented in 1 files:

Defined in 1 files as a prototype:

Defined in 1 files as a function:

Referenced in 3 files:

Smatch caller information:

kernel/trace/trace_snapshot.c free_snapshot() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 1 size 1
PARAM_VALUE 2 cpu_id (-1)
NOCHECK_CALL
LOCK2 _T->lock

kernel/trace/trace_snapshot.c resize_buffer_duplicate_size() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 0 buffer 0,4096-ptr_max
PARAM_VALUE 2 cpu_id 0-64
CAPPED_DATA 2 cpu_id 1
DATA_SOURCE 2 cpu_id r find_next_bit
CONSTRAINT 2 cpu_id <3035
RX_PATH
TASK_NOT_RUNNING
HALF_LOCKED2 _T->lock

kernel/trace/trace_snapshot.c resize_buffer_duplicate_size() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 0 buffer 0,4096-ptr_max
PARAM_VALUE 2 cpu_id s32min-(-2),0-s32max
DATA_SOURCE 2 cpu_id $2
RX_PATH
TASK_NOT_RUNNING
LOCK2 _T->lock

kernel/trace/trace.c __tracing_resize_ring_buffer() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 0 buffer 4096-ptr_max
PARAM_VALUE 2 cpu_id (-1)-s32max
DATA_SOURCE 1 size $1
DATA_SOURCE 2 cpu_id $2
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 size 0-u64max
UNITS 1 size unit_byte
LOCK2 _T->lock

kernel/trace/trace.c __tracing_resize_ring_buffer() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 0 buffer 0,4096-ptr_max
PARAM_VALUE 2 cpu_id (-1)-s32max
DATA_SOURCE 1 size $1
DATA_SOURCE 2 cpu_id $2
RX_PATH
TASK_NOT_RUNNING
USER_DATA 1 size 0-u64max
UNITS 1 size unit_byte
LOCK2 _T->lock

kernel/trace/trace.c run_tracer_selftest() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 2 cpu_id (-1)
NOCHECK_CALL
HALF_LOCKED2 _T->lock
HALF_LOCKED2 global &trace_types_lock

kernel/trace/trace.c run_tracer_selftest() -> ring_buffer_resize()

Type Parameter Key Value
PARAM_VALUE 0 buffer 0,4096-ptr_max
PARAM_VALUE 0 buffer->resizing.counter s32min-s32max
PARAM_VALUE 1 size 1
PARAM_VALUE 2 cpu_id (-1)
NOCHECK_CALL
HALF_LOCKED2 _T->lock
HALF_LOCKED2 global &trace_types_lock