Defined in 1 files as a prototype:
Defined in 2 files as a function:
- include/linux/perf_event.h, line 1982 (as a function)
- kernel/events/core.c, line 10266 (as a function)
Referenced in 4 files:
Smatch caller information:
kernel/kprobes.c __get_insn_slot() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 2 |
| PARAM_VALUE | 1 | addr | 1-u64max |
| PARAM_VALUE | 2 | len | 4096 |
| PARAM_VALUE | 3 | unregister | 0 |
| BUF_SIZE | 1 | addr | s32min-s32max |
| NOCHECK_CALL | |||
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | _T->lock | ||
| HALF_LOCKED2 | global &fei_lock | ||
| HALF_LOCKED2 | global &jump_label_mutex |
kernel/kprobes.c collect_one_slot() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 2 |
| PARAM_VALUE | 2 | len | 4096 |
| PARAM_VALUE | 3 | unregister | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |
| LOCK2 | _T->lock |
kernel/events/core.c perf_event_bpf_emit_ksymbols() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 1 |
| BUF_SIZE | 4 | sym | 512 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | len | unit_byte |
kernel/events/core.c perf_event_bpf_emit_ksymbols() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 1 |
| BUF_SIZE | 4 | sym | 512 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 2 | len | unit_byte |
kernel/trace/ftrace.c ftrace_trampoline_free() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 2 |
| PARAM_VALUE | 1 | addr | 1-u64max |
| PARAM_VALUE | 3 | unregister | 1 |
| PARAM_VALUE | 4 | sym | 7118076937124818944 |
| BUF_SIZE | 4 | sym | 18 |
| STR_LEN | 0 | ksym_type | 17 |
| TERMINATED | 4 | sym | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | addr | |
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |
| HALF_LOCKED2 | &probe->ops.func_hash->regex_lock | ||
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &ftrace_lock |
kernel/trace/ftrace.c ftrace_update_trampoline() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 2 |
| PARAM_VALUE | 1 | addr | 1-u64max |
| PARAM_VALUE | 2 | len | 2862723085,3006332941,3909005325,4052615181 |
| PARAM_VALUE | 3 | unregister | 0 |
| PARAM_VALUE | 4 | sym | 7118076937124818944 |
| BUF_SIZE | 4 | sym | 18 |
| STR_LEN | 0 | ksym_type | 17 |
| TERMINATED | 4 | sym | 1 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| NO_OVERFLOW_SIMPLE | 1 | addr | |
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |
| HALF_LOCKED2 | _T->lock | ||
| HALF_LOCKED2 | global &ftrace_lock |
kernel/bpf/trampoline.c bpf_image_ksym_add() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 1 |
| PARAM_VALUE | 2 | len | 4096 |
| PARAM_VALUE | 3 | unregister | 0 |
| BUF_SIZE | 4 | sym | 512 |
| STR_LEN | 0 | ksym_type | (-1),511 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |
| HALF_LOCKED2 | &d->mutex |
kernel/bpf/trampoline.c bpf_image_ksym_del() -> perf_event_ksymbol()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ksym_type | 1 |
| PARAM_VALUE | 2 | len | 4096 |
| PARAM_VALUE | 3 | unregister | 1 |
| BUF_SIZE | 4 | sym | 512 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | addr | unit_byte |
| UNITS | 2 | len | unit_byte |