Defined in 1 files as a prototype:
Defined in 1 files as a function:
Referenced in 1 files:
Smatch caller information:
kernel/events/core.c __ctx_time_update() -> update_context_time()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->is_active | s32min-(-1),4-s32max |
| CAPPED_DATA | 0 | ctx | 1 |
| DATA_SOURCE | 0 | ctx | $1 |
| BIT_INFO | 0 | ctx->is_active | 0x4,0x7ffffff7 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | ctx | unit_byte |
| HALF_LOCKED2 | 0 | &ctx->lock | |
| HALF_LOCKED2 | 0 | &ctx->mutex |
kernel/events/core.c ctx_sched_in() -> update_context_time()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->nr_events | s32min-(-1),1-s32max |
| CAPPED_DATA | 0 | ctx | 1 |
| DATA_SOURCE | 0 | ctx | $0 |
| BIT_INFO | 0 | ctx->is_active | 0x4,0x7fffffff |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | ctx | unit_byte |
| HALF_LOCKED2 | &cpuctx->ctx.lock | ||
| HALF_LOCKED2 | irq | ||
| HALF_LOCKED2 | 0 | &ctx->lock |
kernel/events/core.c ctx_time_update_event() -> update_context_time()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->is_active | s32min-(-1),4-s32max |
| CAPPED_DATA | 0 | ctx | 1 |
| DATA_SOURCE | 0 | ctx | $0 |
| BIT_INFO | 0 | ctx->is_active | 0x4,0x7ffffff7 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| UNITS | 0 | ctx | unit_byte |
| HALF_LOCKED2 | flags | ||
| HALF_LOCKED2 | 0 | &ctx->lock | |
| TYPE_LOCK | (struct perf_event_context)->lock |
kernel/events/core.c perf_event_sync_stat() -> update_context_time()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->lock.dep_map->name | 0-255 |
| PARAM_VALUE | 0 | ctx->lock.owner_cpu | 0 |
| PARAM_VALUE | 0 | ctx->lock.raw_lock.val.counter | 0-s32max |
| PARAM_VALUE | 0 | ctx->nr_stat | s32min-(-1),1-s32max |
| PARAM_VALUE | 0 | ctx->pin_count | 0 |
| PARAM_VALUE | 0 | ctx->task | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->task->perf_event_ctxp | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->task->sched_info.last_queued | 0 |
| PARAM_VALUE | 0 | ctx->task->sched_info.max_run_delay | 1-u64max |
| PARAM_VALUE | 0 | ctx->task->sched_info.max_run_delay_ts.tv_nsec | 0-999999999 |
| PARAM_VALUE | 0 | ctx->task->sched_info.min_run_delay | 1-u64max |
| CAPPED_DATA | 0 | ctx | 1 |
| DATA_SOURCE | 0 | ctx | $0 |
| PREEMPT_ADD | |||
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &next_ctx->lock | ||
| LOCK2 | irq | ||
| LOCK2 | rcu_read | ||
| LOCK2 | 0 | &ctx->lock | |
| TYPE_LOCK | (struct perf_event_context)->lock |
kernel/events/core.c perf_rotate_context() -> update_context_time()
| Type | Parameter | Key | Value |
|---|---|---|---|
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &cpuctx->ctx.lock | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct perf_event_context)->lock |
kernel/events/core.c perf_rotate_context() -> update_context_time()
| Type | Parameter | Key | Value |
|---|---|---|---|
| PARAM_VALUE | 0 | ctx | 4096-ptr_max |
| PARAM_VALUE | 0 | ctx->lock.raw_lock.val.counter | 0-s32max |
| RX_PATH | |||
| TASK_NOT_RUNNING | |||
| NOCHECK_CALL | |||
| LOCK2 | &cpuctx->ctx.lock | ||
| HALF_LOCKED2 | irq | ||
| TYPE_LOCK | (struct perf_event_context)->lock |