perf_trace_buf_alloc identifier - Linux source code next-20260811

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linux

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FIXME
- FIXME
  - next-20260811

Defined in 1 files as a prototype:

include/linux/trace_events.h, line 921 (as a prototype)

Defined in 1 files as a function:

kernel/trace/trace_event_perf.c, line 398 (as a function)

Referenced in 8 files:

Smatch caller information:

sound/soc/intel/avs/trace.c do_perf_trace_avs_ipc_msg_payload() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	7332641221764366336
PARAM_VALUE	2	rctxp	8635835477770407936
PREEMPT_ADD

kernel/trace/trace_events_user.c user_event_perf() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	1	regs	1275973564776976384
PARAM_VALUE	2	rctxp	1695378294528065536
BIT_INFO	0	size	0x0,0xfffffffffffffff8

sound/soc/intel/catpt/trace.c do_perf_trace_catpt_ipc_payload_chunk() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	6939490501281550336
PARAM_VALUE	2	rctxp	1238551102559526912
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_inbound_multiple_allocate() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	6801682051817205760
PARAM_VALUE	2	rctxp	4917546042812047360
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_inbound_multiple_queue() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	7518485433392476160
PARAM_VALUE	2	rctxp	7982418392598671360
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_inbound_single_allocate() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	4686908034220969984
PARAM_VALUE	2	rctxp	1671479794886807552
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_inbound_single_queue() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	1788544768409149440
PARAM_VALUE	2	rctxp	340336182595653632
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_outbound_allocate() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	9203905193486843904
PARAM_VALUE	2	rctxp	7231118450404839424
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_outbound_queue() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	8964559976584474624
PARAM_VALUE	2	rctxp	1803197099292323840
PREEMPT_ADD

drivers/firewire/core-trace.c do_perf_trace_isoc_outbound_start() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	4171218037156851712
PARAM_VALUE	2	rctxp	4510422498923945984
PREEMPT_ADD

kernel/trace/trace_event_perf.c perf_ftrace_function_call() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	0
PARAM_VALUE	2	rctxp	7342301364967112704
PREEMPT_ADD			<- disables preempt
UNITS	0	size	unit_byte

drivers/i2c/i2c-core-smbus.c do_perf_trace_smbus_read() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	60
PARAM_VALUE	1	regs	1693219856196722688
PARAM_VALUE	2	rctxp	1826139758714437632
PREEMPT_ADD

drivers/i2c/i2c-core-smbus.c do_perf_trace_smbus_reply() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	60
PARAM_VALUE	1	regs	1327459743866302464
PARAM_VALUE	2	rctxp	485017558487810048
PREEMPT_ADD

drivers/i2c/i2c-core-smbus.c do_perf_trace_smbus_write() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	60
PARAM_VALUE	1	regs	828300885104345088
PARAM_VALUE	2	rctxp	6530337672723189760
PREEMPT_ADD

kernel/trace/trace_fprobe.c fentry_perf_func() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	8654974079048769536
PARAM_VALUE	2	rctxp	6166149301222924288
LOCK2		rcu_read

kernel/trace/trace_fprobe.c fexit_perf_func() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	3241077489039654912
PARAM_VALUE	2	rctxp	112695035958702080

drivers/i2c/i2c-core-base.c do_perf_trace_i2c_read() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	20
PARAM_VALUE	1	regs	1971537591763476480
PARAM_VALUE	2	rctxp	1432788634439626752
PREEMPT_ADD

drivers/i2c/i2c-core-base.c do_perf_trace_i2c_reply() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	230968470937923584
PARAM_VALUE	2	rctxp	2044207229488586752
PREEMPT_ADD

drivers/i2c/i2c-core-base.c do_perf_trace_i2c_result() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	20
PARAM_VALUE	1	regs	3256806460575723520
PARAM_VALUE	2	rctxp	1693553936362876928
PREEMPT_ADD

drivers/i2c/i2c-core-base.c do_perf_trace_i2c_write() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	2890773440653938688
PARAM_VALUE	2	rctxp	5401695452505419776
PREEMPT_ADD

kernel/trace/trace_syscalls.c perf_syscall_enter() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	0
PARAM_VALUE	2	rctxp	2121145848297857024
PREEMPT_ADD			<- disables preempt
UNITS	0	size	unit_byte

kernel/trace/trace_syscalls.c perf_syscall_exit() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	0
PARAM_VALUE	2	rctxp	4841393137486073856
PREEMPT_ADD			<- disables preempt

kernel/entry/syscall-common.c do_perf_trace_sys_enter() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	68
PARAM_VALUE	1	regs	8256394976991940608
PARAM_VALUE	2	rctxp	8072205568562200576
PREEMPT_ADD

kernel/entry/syscall-common.c do_perf_trace_sys_exit() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	4351289592625123328
PARAM_VALUE	2	rctxp	8950539693038501888
PREEMPT_ADD

fs/nfsd/trace.c do_perf_trace_nfsd_cb_recall() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	4955748864447782912
PARAM_VALUE	2	rctxp	6654940169683869696
PREEMPT_ADD

fs/nfsd/trace.c do_perf_trace_nfsd_fh_verify() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	5403484945260634112
PARAM_VALUE	2	rctxp	4790761407033106432
PREEMPT_ADD

fs/nfsd/trace.c do_perf_trace_nfsd_fh_verify_err() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	10178472943116288
PARAM_VALUE	2	rctxp	3478158652512636928
PREEMPT_ADD

fs/nfsd/trace.c do_perf_trace_nfsd_seq4_status() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	6181973067396009984
PARAM_VALUE	2	rctxp	1573354120472014848
PREEMPT_ADD

kernel/trace/trace_events_synth.c perf_event_raw_event_synth() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	1	regs	3722316641036914688
PARAM_VALUE	2	rctxp	6024541512431779840
BIT_INFO	0	size	0x0,0xfffffff8

drivers/gpu/drm/panthor/panthor_gpu.c do_perf_trace_gpu_power_status() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4),44-1010148
PARAM_VALUE	1	regs	4975620022142021632
PARAM_VALUE	2	rctxp	2743994581375262720
PREEMPT_ADD

kernel/trace/trace_benchmark.c do_perf_trace_benchmark_event() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	148
PARAM_VALUE	1	regs	7140927387665489920
PARAM_VALUE	2	rctxp	3915581844397035520
PREEMPT_ADD

arch/x86/kvm/x86.c do_perf_trace_kvm_exit() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	76
PARAM_VALUE	1	regs	5871419947450191872
PARAM_VALUE	2	rctxp	8971923457390657536
PREEMPT_ADD

arch/x86/kvm/x86.c do_perf_trace_kvm_nested_vmexit() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	76
PARAM_VALUE	1	regs	2724995544910315520
PARAM_VALUE	2	rctxp	9163869610717560832
PREEMPT_ADD

net/sunrpc/sched.c do_perf_trace_svc_authenticate() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	2368014275196084224
PARAM_VALUE	2	rctxp	9131212847625306112
PREEMPT_ADD

kernel/trace/trace_uprobe.c __uprobe_perf_func() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	s32min-8192
PARAM_VALUE	1	regs	0
PARAM_VALUE	2	rctxp	8992078859358396416
FUZZY_MAX	0	size	8192
PREEMPT_ADD			<- disables preempt
RX_PATH
TASK_NOT_RUNNING
UNITS	0	size	unit_byte
HALF_LOCKED2		&ucb->mutex

fs/btrfs/super.c do_perf_trace_btrfs_get_extent() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	68
PARAM_VALUE	1	regs	935819188755492864
PARAM_VALUE	2	rctxp	787373294666137600
PREEMPT_ADD

kernel/locking/mutex.c do_perf_trace_contended_release() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	20
PARAM_VALUE	1	regs	167097383474262016
PARAM_VALUE	2	rctxp	3266009719727972352
PREEMPT_ADD

samples/trace_events/trace-events-sample.c do_perf_trace_foo_bar_with_cond() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4),20-1010124
PARAM_VALUE	1	regs	4169114518264864768
PARAM_VALUE	2	rctxp	184102834006036480
PREEMPT_ADD

samples/trace_events/trace-events-sample.c do_perf_trace_foo_bar_with_fn() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4),20-1010124
PARAM_VALUE	1	regs	2629340003077439488
PARAM_VALUE	2	rctxp	838356304072585216
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_barrier() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	5443036061401149440
PARAM_VALUE	2	rctxp	481279106549260288
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_batch_end() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	28
PARAM_VALUE	1	regs	8110651648259203072
PARAM_VALUE	2	rctxp	6474196098457264128
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_batch_start() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	2741837612868681728
PARAM_VALUE	2	rctxp	2255028776407875584
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_callback() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	7838856982357323776
PARAM_VALUE	2	rctxp	7919911054630375424
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_exp_funnel_lock() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	1065577389430067200
PARAM_VALUE	2	rctxp	4346414916543344640
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_exp_grace_period() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	3868170171956891648
PARAM_VALUE	2	rctxp	8377401490990247936
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_fqs() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	3243110069748944896
PARAM_VALUE	2	rctxp	501961032298090496
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_future_grace_period() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	60
PARAM_VALUE	1	regs	1470513548297891840
PARAM_VALUE	2	rctxp	3295818122842521600
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_grace_period() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	5694666249232990208
PARAM_VALUE	2	rctxp	8882019328204513280
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_grace_period_init() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	52
PARAM_VALUE	1	regs	3699445629198483456
PARAM_VALUE	2	rctxp	4409693026939654144
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_invoke_callback() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	8668055969781633024
PARAM_VALUE	2	rctxp	3823566741679747072
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_invoke_kfree_bulk_callback() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	194832278602883072
PARAM_VALUE	2	rctxp	8023770115183972352
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_invoke_kvfree_callback() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	6443925235697901568
PARAM_VALUE	2	rctxp	6571526685817401344
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_nocb_wake() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	3171988116214906880
PARAM_VALUE	2	rctxp	3840247037738467328
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_preempt_task() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	4413709846113759232
PARAM_VALUE	2	rctxp	8796554135170625536
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_quiescent_state_report() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	60
PARAM_VALUE	1	regs	1319391905691140096
PARAM_VALUE	2	rctxp	3719628546276835328
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_segcb_stats() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	84
PARAM_VALUE	1	regs	6517549175540441088
PARAM_VALUE	2	rctxp	2782696623868612608
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_sr_normal() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	4023987188583718912
PARAM_VALUE	2	rctxp	120646721016197120
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_torture_read() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	52
PARAM_VALUE	1	regs	696865065285095424
PARAM_VALUE	2	rctxp	1478798399585787904
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_unlock_preempted_task() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	36
PARAM_VALUE	1	regs	7290408030671695872
PARAM_VALUE	2	rctxp	6129679800687124480
PREEMPT_ADD

kernel/rcu/update.c do_perf_trace_rcu_watching() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	4581116482248372224
PARAM_VALUE	2	rctxp	2926493659365969920
PREEMPT_ADD

mm/damon/core.c do_perf_trace_damon_region_aggregated() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	5014180420135555072
PARAM_VALUE	2	rctxp	2616575138343964672
PREEMPT_ADD

mm/damon/core.c do_perf_trace_damos_before_apply() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	60
PARAM_VALUE	1	regs	244226639482662912
PARAM_VALUE	2	rctxp	7427298955121754112
PREEMPT_ADD

drivers/net/phy/mdio_bus.c do_perf_trace_mdio_access() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	84
PARAM_VALUE	1	regs	5262189419844075520
PARAM_VALUE	2	rctxp	8601036241121456128
PREEMPT_ADD

fs/f2fs/super.c do_perf_trace_f2fs_lookup_age_extent_tree_end() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	52
PARAM_VALUE	1	regs	7731925964480966656
PARAM_VALUE	2	rctxp	8226435650566627328
PREEMPT_ADD

fs/f2fs/super.c do_perf_trace_f2fs_lookup_read_extent_tree_end() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	44
PARAM_VALUE	1	regs	3696857378131677184
PARAM_VALUE	2	rctxp	3465456377046519808
PREEMPT_ADD

kernel/sched/core.c do_perf_trace_sched_stat_template() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4),28-44
PARAM_VALUE	1	regs	7126701765978750976
PARAM_VALUE	2	rctxp	5195748856466997248
PREEMPT_ADD

kernel/trace/trace_kprobe.c kprobe_perf_func() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	0
PARAM_VALUE	2	rctxp	6022612664702668800

kernel/trace/trace_kprobe.c kretprobe_perf_func() -> perf_trace_buf_alloc()

Type	Parameter	Key	Value
PARAM_VALUE	0	size	(-4)-2147483643
PARAM_VALUE	1	regs	0
PARAM_VALUE	2	rctxp	2889752010778529792