Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/events/core.c __perf_event_enable() -> ctx_time_freeze()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpuctx | 0,4096-ptr_max |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | cpuctx->task_ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | cpuctx->task_ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | cpuctx->task_ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 1 | ctx | 4096-ptr_max |
| CAPPED_DATA | 1 | ctx | 1 |
| CAPPED_DATA | 1 | ctx->task | 1 |
| DATA_SOURCE | 0 | cpuctx | $1 |
| DATA_SOURCE | 1 | ctx | $2 |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | ctx | unit_byte |
| HALF_LOCKED2 | &cpuctx->ctx.lock | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | 0 | &cpuctx->ctx.lock | |
| HALF_LOCKED2 | 1 | &ctx->lock | |
| TYPE_LOCK | (struct perf_event_context)->lock |
kernel/events/core.c __perf_install_in_context() -> ctx_time_freeze()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpuctx | 4096-ptr_max |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | cpuctx->task_ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | cpuctx->task_ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | cpuctx->task_ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 1 | ctx | 4096-ptr_max |
| PARAM_VALUE | 1 | ctx->task | 0,4096-ptr_max |
| CAPPED_DATA | 1 | ctx | 1 |
| CAPPED_DATA | 1 | ctx->task | 1 |
| PREEMPT_ADD | <- disables preempt | ||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 1 | ctx | unit_byte |
| LOCK2 | 0 | &cpuctx->ctx.lock | |
| HALF_LOCKED2 | &task_ctx->lock | ||
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | 1 | &ctx->lock | |
| TYPE_LOCK | (struct perf_event_context)->lock |
kernel/events/core.c perf_event_enable_on_exec() -> ctx_time_freeze()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | cpuctx | 4096-ptr_max |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | cpuctx->ctx.lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 1 | ctx | 4096-ptr_max |
| PARAM_VALUE | 1 | ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 1 | ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 1 | ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 1 | ctx->nr_events | s32min-(-1),1-s32max |
| CAPPED_DATA | 1 | ctx | 1 |
| DATA_SOURCE | 1 | ctx | $0 |
| BIT_INFO | 1 | ctx | 0x0,0x0 |
| NOCHECK_CALL | |||
| LOCK2 | &tsk->signal->exec_update_lock | ||
| LOCK2 | flags | ||
| LOCK2 | 0 | &cpuctx->ctx.lock | |
| LOCK2 | 1 | &ctx->lock | |
| TYPE_LOCK | (struct perf_event_context)->lock |