intel_pmu_lbr_save_brstack identifier - Linux source code next-20260811

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linux

Versions

FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

arch/x86/events/perf_event.h, line 1763 (as a prototype)

Defined in 1 files as a function:

arch/x86/events/intel/lbr.c, line 982 (as a function)

Referenced in 2 files:

Smatch caller information:

arch/x86/events/intel/ds.c setup_arch_pebs_sample_data() -> intel_pmu_lbr_save_brstack()

Type	Parameter	Key	Value
PARAM_VALUE	0	data	4096-ptr_max
PARAM_VALUE	0	data->aux_size	0,8-18446744073709547520
PARAM_VALUE	0	data->callchain	4096-ptr_max
PARAM_VALUE	0	data->callchain->nr	0
PARAM_VALUE	0	data->code_page_size	0,4096,2097152,1073741824
PARAM_VALUE	0	data->cpu_entry.cpu	0
PARAM_VALUE	0	data->cpu_entry.reserved	0
PARAM_VALUE	0	data->data_page_size	0,4096,2097152,1073741824
PARAM_VALUE	0	data->data_src.val	0,256-u64max
PARAM_VALUE	0	data->raw	0,1660871988697665536,2136298029545185280,4871532738126876672,8193533939451559936
PARAM_VALUE	0	data->regs_intr.abi	0-2
PARAM_VALUE	0	data->regs_user.abi	0-2
PARAM_VALUE	0	data->sample_flags	0,4-u64max
PARAM_VALUE	0	data->stack_user_size	0-u16max
PARAM_VALUE	0	data->tid_entry.pid	0-s32max,u32max
PARAM_VALUE	0	data->tid_entry.tid	0-s32max,u32max
PARAM_VALUE	0	data->txn	0-1099511627775
PARAM_VALUE	2	event	4096-ptr_max
PARAM_VALUE	2	event->attr.sample_type	2048-u64max
DATA_SOURCE	0	data	$3
DATA_SOURCE	2	event	$0
NOCHECK_CALL
HOST_DATA	0	data->period	0-u64max
HOST_DATA	2	event->aux_event->hw->addr_filters_gen	0-u64max
HOST_DATA	2	event->aux_event->hw->freq_count_stamp	0-u64max
HOST_DATA	2	event->aux_event->hw->freq_time_stamp	0-u64max
HOST_DATA	2	event->aux_event->hw->interrupts	0-u64max
HOST_DATA	2	event->aux_event->hw->interrupts_seq	0-u64max
HOST_DATA	2	event->aux_event->hw->sample_period	0-u64max
HOST_DATA	2	event->aux_event->hw->state	s32min-s32max
HOST_DATA	2	event->aux_event->hw.aux_config	0-u64max
HOST_DATA	2	event->aux_event->hw.aux_paused	0
HOST_DATA	2	event->aux_event->hw.branch_reg.alloc	s32min-s32max
HOST_DATA	2	event->aux_event->hw.branch_reg.config	0-u64max
HOST_DATA	2	event->aux_event->hw.branch_reg.idx	s32min-s32max
HOST_DATA	2	event->aux_event->hw.branch_reg.reg	0-u32max
HOST_DATA	2	event->aux_event->hw.conf	0-u64max
HOST_DATA	2	event->aux_event->hw.conf1	0-u64max
HOST_DATA	2	event->aux_event->hw.config	0-u64max
HOST_DATA	2	event->aux_event->hw.config1	0-u64max
HOST_DATA	2	event->aux_event->hw.config_base	0-u64max
HOST_DATA	2	event->aux_event->hw.dyn_constraint	0-u64max
HOST_DATA	2	event->aux_event->hw.event_base	0-u64max
HOST_DATA	2	event->aux_event->hw.event_base_rdpmc	s32min-s32max
HOST_DATA	2	event->aux_event->hw.extra_reg.alloc	s32min-s32max
HOST_DATA	2	event->aux_event->hw.extra_reg.config	0-u64max
HOST_DATA	2	event->aux_event->hw.extra_reg.idx	s32min-s32max
HOST_DATA	2	event->aux_event->hw.extra_reg.reg	0-u32max
HOST_DATA	2	event->aux_event->hw.flags	s32min-s32max
HOST_DATA	2	event->aux_event->hw.hrtimer._softexpires	s64min-s64max
HOST_DATA	2	event->aux_event->hw.hrtimer.is_hard	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_lazy	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_queued	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_rel	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_soft	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.node.expires	s64min-s64max
HOST_DATA	2	event->aux_event->hw.hrtimer.node.node.node.__rb_parent_color	1
HOST_DATA	2	event->aux_event->hw.idx	s32min-s32max
HOST_DATA	2	event->aux_event->hw.info.address	0-u64max
HOST_DATA	2	event->aux_event->hw.info.len	0-255
HOST_DATA	2	event->aux_event->hw.info.mask	0-u64max
HOST_DATA	2	event->aux_event->hw.info.type	0-255
HOST_DATA	2	event->aux_event->hw.iommu_bank	0-255
HOST_DATA	2	event->aux_event->hw.iommu_cntr	0-255
HOST_DATA	2	event->aux_event->hw.last_cpu	s32min-s32max
HOST_DATA	2	event->aux_event->hw.last_period	0-u64max
HOST_DATA	2	event->aux_event->hw.last_tag	0-u64max
HOST_DATA	2	event->aux_event->hw.padding	0-u16max
HOST_DATA	2	event->aux_event->hw.period_left.a.a.counter	s64min-s64max
HOST_DATA	2	event->aux_event->hw.prev_count.a.a.counter	s64min-s64max
HOST_DATA	2	event->aux_event->hw.ptsc	0-u64max
HOST_DATA	2	event->aux_event->hw.pwr_acc	0-u64max
HOST_DATA	2	event->aux_event->hw.saved_metric	0-u64max
HOST_DATA	2	event->aux_event->hw.saved_slots	0-u64max
HOST_DATA	2	event->hw->addr_filters_gen	0-u64max
HOST_DATA	2	event->hw->freq_count_stamp	0-u64max
HOST_DATA	2	event->hw->freq_time_stamp	0-u64max
HOST_DATA	2	event->hw->interrupts	0-u64max
HOST_DATA	2	event->hw->interrupts_seq	0-u64max
HOST_DATA	2	event->hw->sample_period	0-u64max
HOST_DATA	2	event->hw->state	s32min-s32max
HOST_DATA	2	event->hw.aux_config	0-u64max
HOST_DATA	2	event->hw.aux_paused	0-u32max
HOST_DATA	2	event->hw.branch_reg.alloc	s32min-s32max
HOST_DATA	2	event->hw.branch_reg.config	0-u64max
HOST_DATA	2	event->hw.branch_reg.idx	s32min-s32max
HOST_DATA	2	event->hw.branch_reg.reg	0-u32max
HOST_DATA	2	event->hw.conf	0-u64max
HOST_DATA	2	event->hw.conf1	0-u64max
HOST_DATA	2	event->hw.config	0-u64max
HOST_DATA	2	event->hw.config1	0-u64max
HOST_DATA	2	event->hw.config_base	0-u64max
HOST_DATA	2	event->hw.dyn_constraint	0-u64max
HOST_DATA	2	event->hw.event_base	0-u64max
HOST_DATA	2	event->hw.event_base_rdpmc	s32min-s32max
HOST_DATA	2	event->hw.extra_reg.alloc	s32min-s32max
HOST_DATA	2	event->hw.extra_reg.config	0-u64max
HOST_DATA	2	event->hw.extra_reg.idx	s32min-s32max
HOST_DATA	2	event->hw.extra_reg.reg	0-u32max
HOST_DATA	2	event->hw.flags	s32min-s32max
HOST_DATA	2	event->hw.hrtimer._softexpires	s64min-s64max
HOST_DATA	2	event->hw.hrtimer.is_hard	0-1
HOST_DATA	2	event->hw.hrtimer.is_lazy	0-1
HOST_DATA	2	event->hw.hrtimer.is_queued	0-1
HOST_DATA	2	event->hw.hrtimer.is_rel	0-1
HOST_DATA	2	event->hw.hrtimer.is_soft	0-1
HOST_DATA	2	event->hw.hrtimer.node.expires	s64min-s64max
HOST_DATA	2	event->hw.hrtimer.node.node.node.__rb_parent_color	1
HOST_DATA	2	event->hw.idx	s32min-s32max
HOST_DATA	2	event->hw.info.address	0-u64max
HOST_DATA	2	event->hw.info.len	0-255
HOST_DATA	2	event->hw.info.mask	0-u64max
HOST_DATA	2	event->hw.info.type	0-255
HOST_DATA	2	event->hw.iommu_bank	0-255
HOST_DATA	2	event->hw.iommu_cntr	0-255
HOST_DATA	2	event->hw.last_cpu	s32min-s32max
HOST_DATA	2	event->hw.last_period	0-u64max
HOST_DATA	2	event->hw.last_tag	0-u64max
HOST_DATA	2	event->hw.padding	0-u16max
HOST_DATA	2	event->hw.period_left.a.a.counter	s64min-s64max
HOST_DATA	2	event->hw.prev_count.a.a.counter	s64min-s64max
HOST_DATA	2	event->hw.ptsc	0-u64max
HOST_DATA	2	event->hw.pwr_acc	0-u64max
HOST_DATA	2	event->hw.saved_metric	0-u64max
HOST_DATA	2	event->hw.saved_slots	0-u64max

arch/x86/events/intel/ds.c setup_pebs_adaptive_sample_data() -> intel_pmu_lbr_save_brstack()

Type	Parameter	Key	Value
PARAM_VALUE	0	data	4096-ptr_max
PARAM_VALUE	0	data->aux_size	0,8-18446744073709547520
PARAM_VALUE	0	data->callchain	4096-ptr_max
PARAM_VALUE	0	data->callchain->nr	0
PARAM_VALUE	0	data->code_page_size	0,4096,2097152,1073741824
PARAM_VALUE	0	data->cpu_entry.cpu	0
PARAM_VALUE	0	data->cpu_entry.reserved	0
PARAM_VALUE	0	data->data_page_size	0,4096,2097152,1073741824
PARAM_VALUE	0	data->data_src.val	0,256-u64max
PARAM_VALUE	0	data->raw	0,1660871988697665536,2136298029545185280,4871532738126876672,8193533939451559936
PARAM_VALUE	0	data->regs_intr.abi	0-2
PARAM_VALUE	0	data->regs_user.abi	0-2
PARAM_VALUE	0	data->sample_flags	0,4-u64max
PARAM_VALUE	0	data->stack_user_size	0-u16max
PARAM_VALUE	0	data->tid_entry.pid	0-s32max,u32max
PARAM_VALUE	0	data->tid_entry.tid	0-s32max,u32max
PARAM_VALUE	0	data->txn	0-1099511627775
PARAM_VALUE	2	event	4096-ptr_max
PARAM_VALUE	2	event->attr.sample_type	2048-u64max
DATA_SOURCE	0	data	$3
DATA_SOURCE	2	event	$0
NOCHECK_CALL
HOST_DATA	0	data->period	0-u64max
HOST_DATA	2	event->aux_event->hw->addr_filters_gen	0-u64max
HOST_DATA	2	event->aux_event->hw->freq_count_stamp	0-u64max
HOST_DATA	2	event->aux_event->hw->freq_time_stamp	0-u64max
HOST_DATA	2	event->aux_event->hw->interrupts	0-u64max
HOST_DATA	2	event->aux_event->hw->interrupts_seq	0-u64max
HOST_DATA	2	event->aux_event->hw->sample_period	0-u64max
HOST_DATA	2	event->aux_event->hw->state	s32min-s32max
HOST_DATA	2	event->aux_event->hw.aux_config	0-u64max
HOST_DATA	2	event->aux_event->hw.aux_paused	0
HOST_DATA	2	event->aux_event->hw.branch_reg.alloc	s32min-s32max
HOST_DATA	2	event->aux_event->hw.branch_reg.config	0-u64max
HOST_DATA	2	event->aux_event->hw.branch_reg.idx	s32min-s32max
HOST_DATA	2	event->aux_event->hw.branch_reg.reg	0-u32max
HOST_DATA	2	event->aux_event->hw.conf	0-u64max
HOST_DATA	2	event->aux_event->hw.conf1	0-u64max
HOST_DATA	2	event->aux_event->hw.config	0-u64max
HOST_DATA	2	event->aux_event->hw.config1	0-u64max
HOST_DATA	2	event->aux_event->hw.config_base	0-u64max
HOST_DATA	2	event->aux_event->hw.dyn_constraint	0-u64max
HOST_DATA	2	event->aux_event->hw.event_base	0-u64max
HOST_DATA	2	event->aux_event->hw.event_base_rdpmc	s32min-s32max
HOST_DATA	2	event->aux_event->hw.extra_reg.alloc	s32min-s32max
HOST_DATA	2	event->aux_event->hw.extra_reg.config	0-u64max
HOST_DATA	2	event->aux_event->hw.extra_reg.idx	s32min-s32max
HOST_DATA	2	event->aux_event->hw.extra_reg.reg	0-u32max
HOST_DATA	2	event->aux_event->hw.flags	s32min-s32max
HOST_DATA	2	event->aux_event->hw.hrtimer._softexpires	s64min-s64max
HOST_DATA	2	event->aux_event->hw.hrtimer.is_hard	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_lazy	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_queued	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_rel	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.is_soft	0-1
HOST_DATA	2	event->aux_event->hw.hrtimer.node.expires	s64min-s64max
HOST_DATA	2	event->aux_event->hw.hrtimer.node.node.node.__rb_parent_color	1
HOST_DATA	2	event->aux_event->hw.idx	s32min-s32max
HOST_DATA	2	event->aux_event->hw.info.address	0-u64max
HOST_DATA	2	event->aux_event->hw.info.len	0-255
HOST_DATA	2	event->aux_event->hw.info.mask	0-u64max
HOST_DATA	2	event->aux_event->hw.info.type	0-255
HOST_DATA	2	event->aux_event->hw.iommu_bank	0-255
HOST_DATA	2	event->aux_event->hw.iommu_cntr	0-255
HOST_DATA	2	event->aux_event->hw.last_cpu	s32min-s32max
HOST_DATA	2	event->aux_event->hw.last_period	0-u64max
HOST_DATA	2	event->aux_event->hw.last_tag	0-u64max
HOST_DATA	2	event->aux_event->hw.padding	0-u16max
HOST_DATA	2	event->aux_event->hw.period_left.a.a.counter	s64min-s64max
HOST_DATA	2	event->aux_event->hw.prev_count.a.a.counter	s64min-s64max
HOST_DATA	2	event->aux_event->hw.ptsc	0-u64max
HOST_DATA	2	event->aux_event->hw.pwr_acc	0-u64max
HOST_DATA	2	event->aux_event->hw.saved_metric	0-u64max
HOST_DATA	2	event->aux_event->hw.saved_slots	0-u64max
HOST_DATA	2	event->hw->addr_filters_gen	0-u64max
HOST_DATA	2	event->hw->freq_count_stamp	0-u64max
HOST_DATA	2	event->hw->freq_time_stamp	0-u64max
HOST_DATA	2	event->hw->interrupts	0-u64max
HOST_DATA	2	event->hw->interrupts_seq	0-u64max
HOST_DATA	2	event->hw->sample_period	0-u64max
HOST_DATA	2	event->hw->state	s32min-s32max
HOST_DATA	2	event->hw.aux_config	0-u64max
HOST_DATA	2	event->hw.aux_paused	0-u32max
HOST_DATA	2	event->hw.branch_reg.alloc	s32min-s32max
HOST_DATA	2	event->hw.branch_reg.config	0-u64max
HOST_DATA	2	event->hw.branch_reg.idx	s32min-s32max
HOST_DATA	2	event->hw.branch_reg.reg	0-u32max
HOST_DATA	2	event->hw.conf	0-u64max
HOST_DATA	2	event->hw.conf1	0-u64max
HOST_DATA	2	event->hw.config	0-u64max
HOST_DATA	2	event->hw.config1	0-u64max
HOST_DATA	2	event->hw.config_base	0-u64max
HOST_DATA	2	event->hw.dyn_constraint	0-u64max
HOST_DATA	2	event->hw.event_base	0-u64max
HOST_DATA	2	event->hw.event_base_rdpmc	s32min-s32max
HOST_DATA	2	event->hw.extra_reg.alloc	s32min-s32max
HOST_DATA	2	event->hw.extra_reg.config	0-u64max
HOST_DATA	2	event->hw.extra_reg.idx	s32min-s32max
HOST_DATA	2	event->hw.extra_reg.reg	0-u32max
HOST_DATA	2	event->hw.flags	s32min-s32max
HOST_DATA	2	event->hw.hrtimer._softexpires	s64min-s64max
HOST_DATA	2	event->hw.hrtimer.is_hard	0-1
HOST_DATA	2	event->hw.hrtimer.is_lazy	0-1
HOST_DATA	2	event->hw.hrtimer.is_queued	0-1
HOST_DATA	2	event->hw.hrtimer.is_rel	0-1
HOST_DATA	2	event->hw.hrtimer.is_soft	0-1
HOST_DATA	2	event->hw.hrtimer.node.expires	s64min-s64max
HOST_DATA	2	event->hw.hrtimer.node.node.node.__rb_parent_color	1
HOST_DATA	2	event->hw.idx	s32min-s32max
HOST_DATA	2	event->hw.info.address	0-u64max
HOST_DATA	2	event->hw.info.len	0-255
HOST_DATA	2	event->hw.info.mask	0-u64max
HOST_DATA	2	event->hw.info.type	0-255
HOST_DATA	2	event->hw.iommu_bank	0-255
HOST_DATA	2	event->hw.iommu_cntr	0-255
HOST_DATA	2	event->hw.last_cpu	s32min-s32max
HOST_DATA	2	event->hw.last_period	0-u64max
HOST_DATA	2	event->hw.last_tag	0-u64max
HOST_DATA	2	event->hw.padding	0-u16max
HOST_DATA	2	event->hw.period_left.a.a.counter	s64min-s64max
HOST_DATA	2	event->hw.prev_count.a.a.counter	s64min-s64max
HOST_DATA	2	event->hw.ptsc	0-u64max
HOST_DATA	2	event->hw.pwr_acc	0-u64max
HOST_DATA	2	event->hw.saved_metric	0-u64max
HOST_DATA	2	event->hw.saved_slots	0-u64max

arch/x86/events/intel/core.c handle_pmi_common() -> intel_pmu_lbr_save_brstack()

Type	Parameter	Key	Value
PARAM_VALUE	0	data	2973676910393303040
PARAM_VALUE	0	data->aux_size	0,8-18446744073709547520
PARAM_VALUE	0	data->code_page_size	0,4096,2097152,1073741824
PARAM_VALUE	0	data->data_page_size	0,4096,2097152,1073741824
PARAM_VALUE	0	data->data_src.val	0,256-u64max
PARAM_VALUE	0	data->dyn_size	0
PARAM_VALUE	0	data->raw	0,1660871988697665536,2136298029545185280,4871532738126876672,8193533939451559936
PARAM_VALUE	0	data->regs_intr.abi	0-2
PARAM_VALUE	0	data->regs_user.abi	0-2
PARAM_VALUE	0	data->sample_flags	256
PARAM_VALUE	0	data->stack_user_size	0-u16max
PARAM_VALUE	0	data->tid_entry.pid	0-s32max,u32max
PARAM_VALUE	0	data->tid_entry.tid	0-s32max,u32max
PARAM_VALUE	0	data->txn	0-1099511627775
PARAM_VALUE	1	cpuc	4096-ptr_max
PARAM_VALUE	1	cpuc->active_mask	4096-ptr_max
PARAM_VALUE	1	cpuc->events	4096-ptr_max
PARAM_VALUE	2	event	4096-ptr_max
PARAM_VALUE	2	event->attr.sample_type	2048-u64max
PARAM_VALUE	2	event->group_leader	4096-ptr_max
PARAM_VALUE	2	event->group_leader->pmu	4096-ptr_max
PARAM_VALUE	2	event->group_leader->pmu->type	s32min-3,5-s32max
RX_PATH
TASK_NOT_RUNNING
NOCHECK_CALL
HALF_LOCKED2		&desc->request_mutex
HALF_LOCKED2		_T->lock
HALF_LOCKED2		flags