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Defined in 1 files as a function:

Referenced in 1 files:

Smatch caller information:

kernel/bpf/stackmap.c __bpf_get_stack() -> callchain_store()

Type Parameter Key Value
PARAM_VALUE 0 trace 4096-ptr_max
PARAM_VALUE 0 trace->nr 0-u32max
PARAM_VALUE 3 elem_size 8,32
PARAM_VALUE 4 flags 0-4094
DATA_SOURCE 2 buf $2
DATA_SOURCE 4 flags $4
FUZZY_MAX 3 elem_size 32
PARAM_COMPARE 4 flags <= $0->nr
BIT_INFO 3 elem_size 0x0,0x28
BIT_INFO 4 flags 0x0,0x9ff
BIT_INFO 4 flags 0x0,0x9ff
HARD_MAX 3 elem_size 32
PREEMPT_ADD <- disables preempt
UNITS 3 elem_size unit_byte
HALF_LOCKED2 rcu_read

kernel/bpf/stackmap.c __bpf_get_stack_pe() -> callchain_store()

Type Parameter Key Value
PARAM_VALUE 0 trace 4096-ptr_max
PARAM_VALUE 1 trace_nr 0-127
PARAM_VALUE 3 elem_size 8,32
PARAM_VALUE 4 flags 0-4095
CAPPED_DATA 0 trace->nr 1
CAPPED_DATA 1 trace_nr 1
DATA_SOURCE 0 trace $0
DATA_SOURCE 1 trace_nr $1 [m]
DATA_SOURCE 2 buf $2
DATA_SOURCE 4 flags $4
FUZZY_MAX 3 elem_size 32
PARAM_COMPARE 4 flags <= $1
BIT_INFO 3 elem_size 0x0,0x28
BIT_INFO 4 flags 0x0,0x9ff
BIT_INFO 4 flags 0x0,0x9ff
HARD_MAX 3 elem_size 32
UNITS 3 elem_size unit_byte