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/linux-5.10/tools/perf/util/
Dthread.c10 #include "thread.h"
11 #include "thread-stack.h"
22 int thread__init_maps(struct thread *thread, struct machine *machine) in thread__init_maps() argument
24 pid_t pid = thread->pid_; in thread__init_maps()
26 if (pid == thread->tid || pid == -1) { in thread__init_maps()
27 thread->maps = maps__new(machine); in thread__init_maps()
29 struct thread *leader = __machine__findnew_thread(machine, pid, pid); in thread__init_maps()
31 thread->maps = maps__get(leader->maps); in thread__init_maps()
36 return thread->maps ? 0 : -1; in thread__init_maps()
39 struct thread *thread__new(pid_t pid, pid_t tid) in thread__new()
[all …]
Dthread.h32 struct thread { struct
45 bool dead; /* if set thread has exited */ argument
68 struct thread *thread__new(pid_t pid, pid_t tid); argument
69 int thread__init_maps(struct thread *thread, struct machine *machine);
70 void thread__delete(struct thread *thread);
72 struct thread *thread__get(struct thread *thread);
73 void thread__put(struct thread *thread);
75 static inline void __thread__zput(struct thread **thread) in __thread__zput() argument
77 thread__put(*thread); in __thread__zput()
78 *thread = NULL; in __thread__zput()
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Dthread-stack.h3 * thread-stack.h: Synthesize a thread's stack using call / return events
14 struct thread;
40 * @thread: thread in which call/return occurred
55 struct thread *thread; member
83 int thread_stack__event(struct thread *thread, int cpu, u32 flags, u64 from_ip,
86 void thread_stack__set_trace_nr(struct thread *thread, int cpu, u64 trace_nr);
87 void thread_stack__sample(struct thread *thread, int cpu, struct ip_callchain *chain,
89 void thread_stack__sample_late(struct thread *thread, int cpu,
92 void thread_stack__br_sample(struct thread *thread, int cpu,
94 void thread_stack__br_sample_late(struct thread *thread, int cpu,
[all …]
Ddb-export.c13 #include "thread.h"
18 #include "thread-stack.h"
62 int db_export__thread(struct db_export *dbe, struct thread *thread, in db_export__thread() argument
63 struct machine *machine, struct thread *main_thread) in db_export__thread()
67 if (thread->db_id) in db_export__thread()
70 thread->db_id = ++dbe->thread_last_db_id; in db_export__thread()
76 return dbe->export_thread(dbe, thread, main_thread_db_id, in db_export__thread()
83 struct thread *thread) in __db_export__comm() argument
88 return dbe->export_comm(dbe, comm, thread); in __db_export__comm()
94 struct thread *thread) in db_export__comm() argument
[all …]
Dthread-stack.c3 * thread-stack.c: Synthesize a thread's stack using call / return events
14 #include "thread.h"
22 #include "thread-stack.h"
40 * struct thread_stack_entry - thread stack entry.
68 * struct thread_stack - thread stack constructed from 'call' and 'return'
113 static inline bool thread_stack__per_cpu(struct thread *thread) in thread_stack__per_cpu() argument
115 return !(thread->tid || thread->pid_); in thread_stack__per_cpu()
136 static int thread_stack__init(struct thread_stack *ts, struct thread *thread, in thread_stack__init() argument
158 if (thread->maps && thread->maps->machine) { in thread_stack__init()
159 struct machine *machine = thread->maps->machine; in thread_stack__init()
[all …]
Dmachine.c24 #include "thread.h"
44 static void __machine__remove_thread(struct machine *machine, struct thread *th, bool lock);
115 struct thread *thread = machine__findnew_thread(machine, -1, in machine__init() local
119 if (thread == NULL) in machine__init()
123 thread__set_comm(thread, comm, 0); in machine__init()
124 thread__put(thread); in machine__init()
204 struct thread *t = rb_entry(nd, struct thread, rb_node); in machine__delete_threads()
230 struct thread *thread, *n; in machine__exit() local
239 list_for_each_entry_safe(thread, n, &threads->dead, node) in machine__exit()
240 list_del_init(&thread->node); in machine__exit()
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/linux-5.10/arch/riscv/kernel/
Dasm-offsets.c16 OFFSET(TASK_THREAD_RA, task_struct, thread.ra); in asm_offsets()
17 OFFSET(TASK_THREAD_SP, task_struct, thread.sp); in asm_offsets()
18 OFFSET(TASK_THREAD_S0, task_struct, thread.s[0]); in asm_offsets()
19 OFFSET(TASK_THREAD_S1, task_struct, thread.s[1]); in asm_offsets()
20 OFFSET(TASK_THREAD_S2, task_struct, thread.s[2]); in asm_offsets()
21 OFFSET(TASK_THREAD_S3, task_struct, thread.s[3]); in asm_offsets()
22 OFFSET(TASK_THREAD_S4, task_struct, thread.s[4]); in asm_offsets()
23 OFFSET(TASK_THREAD_S5, task_struct, thread.s[5]); in asm_offsets()
24 OFFSET(TASK_THREAD_S6, task_struct, thread.s[6]); in asm_offsets()
25 OFFSET(TASK_THREAD_S7, task_struct, thread.s[7]); in asm_offsets()
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/linux-5.10/arch/mips/include/asm/
Dasmmacro-32.h16 .macro fpu_save_single thread tmp=t0
20 s.d $f0, THREAD_FPR0(\thread)
21 s.d $f2, THREAD_FPR2(\thread)
22 s.d $f4, THREAD_FPR4(\thread)
23 s.d $f6, THREAD_FPR6(\thread)
24 s.d $f8, THREAD_FPR8(\thread)
25 s.d $f10, THREAD_FPR10(\thread)
26 s.d $f12, THREAD_FPR12(\thread)
27 s.d $f14, THREAD_FPR14(\thread)
28 s.d $f16, THREAD_FPR16(\thread)
[all …]
Dasmmacro.h85 .macro fpu_save_16even thread tmp=t0
89 sdc1 $f0, THREAD_FPR0(\thread)
90 sdc1 $f2, THREAD_FPR2(\thread)
91 sdc1 $f4, THREAD_FPR4(\thread)
92 sdc1 $f6, THREAD_FPR6(\thread)
93 sdc1 $f8, THREAD_FPR8(\thread)
94 sdc1 $f10, THREAD_FPR10(\thread)
95 sdc1 $f12, THREAD_FPR12(\thread)
96 sdc1 $f14, THREAD_FPR14(\thread)
97 sdc1 $f16, THREAD_FPR16(\thread)
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Dasmmacro-64.h17 .macro cpu_save_nonscratch thread
18 LONG_S s0, THREAD_REG16(\thread)
19 LONG_S s1, THREAD_REG17(\thread)
20 LONG_S s2, THREAD_REG18(\thread)
21 LONG_S s3, THREAD_REG19(\thread)
22 LONG_S s4, THREAD_REG20(\thread)
23 LONG_S s5, THREAD_REG21(\thread)
24 LONG_S s6, THREAD_REG22(\thread)
25 LONG_S s7, THREAD_REG23(\thread)
26 LONG_S sp, THREAD_REG29(\thread)
[all …]
Ddsp.h41 tsk->thread.dsp.dspr[0] = mfhi1(); \
42 tsk->thread.dsp.dspr[1] = mflo1(); \
43 tsk->thread.dsp.dspr[2] = mfhi2(); \
44 tsk->thread.dsp.dspr[3] = mflo2(); \
45 tsk->thread.dsp.dspr[4] = mfhi3(); \
46 tsk->thread.dsp.dspr[5] = mflo3(); \
47 tsk->thread.dsp.dspcontrol = rddsp(DSP_MASK); \
58 mthi1(tsk->thread.dsp.dspr[0]); \
59 mtlo1(tsk->thread.dsp.dspr[1]); \
60 mthi2(tsk->thread.dsp.dspr[2]); \
[all …]
/linux-5.10/drivers/mailbox/
Dmtk-cmdq-mailbox.c65 struct cmdq_thread *thread; member
75 struct cmdq_thread *thread; member
94 static int cmdq_thread_suspend(struct cmdq *cmdq, struct cmdq_thread *thread) in cmdq_thread_suspend() argument
98 writel(CMDQ_THR_SUSPEND, thread->base + CMDQ_THR_SUSPEND_TASK); in cmdq_thread_suspend()
101 if (!(readl(thread->base + CMDQ_THR_ENABLE_TASK) & CMDQ_THR_ENABLED)) in cmdq_thread_suspend()
104 if (readl_poll_timeout_atomic(thread->base + CMDQ_THR_CURR_STATUS, in cmdq_thread_suspend()
106 dev_err(cmdq->mbox.dev, "suspend GCE thread 0x%x failed\n", in cmdq_thread_suspend()
107 (u32)(thread->base - cmdq->base)); in cmdq_thread_suspend()
114 static void cmdq_thread_resume(struct cmdq_thread *thread) in cmdq_thread_resume() argument
116 writel(CMDQ_THR_RESUME, thread->base + CMDQ_THR_SUSPEND_TASK); in cmdq_thread_resume()
[all …]
/linux-5.10/arch/powerpc/kernel/ptrace/
Dptrace-adv.c10 struct pt_regs *regs = task->thread.regs; in user_enable_single_step()
13 task->thread.debug.dbcr0 &= ~DBCR0_BT; in user_enable_single_step()
14 task->thread.debug.dbcr0 |= DBCR0_IDM | DBCR0_IC; in user_enable_single_step()
22 struct pt_regs *regs = task->thread.regs; in user_enable_block_step()
25 task->thread.debug.dbcr0 &= ~DBCR0_IC; in user_enable_block_step()
26 task->thread.debug.dbcr0 = DBCR0_IDM | DBCR0_BT; in user_enable_block_step()
34 struct pt_regs *regs = task->thread.regs; in user_disable_single_step()
43 task->thread.debug.dbcr0 &= ~(DBCR0_IC | DBCR0_BT); in user_disable_single_step()
47 if (!DBCR_ACTIVE_EVENTS(task->thread.debug.dbcr0, in user_disable_single_step()
48 task->thread.debug.dbcr1)) { in user_disable_single_step()
[all …]
Dptrace-noadv.c12 struct pt_regs *regs = task->thread.regs; in user_enable_single_step()
23 struct pt_regs *regs = task->thread.regs; in user_enable_block_step()
34 struct pt_regs *regs = task->thread.regs; in user_disable_single_step()
72 dabr_fake = ((child->thread.hw_brk[0].address & (~HW_BRK_TYPE_DABR)) | in ptrace_get_debugreg()
73 (child->thread.hw_brk[0].type & HW_BRK_TYPE_DABR)); in ptrace_get_debugreg()
86 struct thread_struct *thread = &task->thread; in ptrace_set_debugreg() local
125 bp = thread->ptrace_bps[0]; in ptrace_set_debugreg()
129 thread->ptrace_bps[0] = NULL; in ptrace_set_debugreg()
146 thread->ptrace_bps[0] = bp; in ptrace_set_debugreg()
147 thread->hw_brk[0] = hw_brk; in ptrace_set_debugreg()
[all …]
Dptrace-tm.c18 * in the appropriate thread structures from live. in flush_tmregs_to_thread()
28 tm_save_sprs(&tsk->thread); in flush_tmregs_to_thread()
34 return task->thread.ckpt_regs.msr | task->thread.fpexc_mode; in get_user_ckpt_msr()
39 task->thread.ckpt_regs.msr &= ~MSR_DEBUGCHANGE; in set_user_ckpt_msr()
40 task->thread.ckpt_regs.msr |= msr & MSR_DEBUGCHANGE; in set_user_ckpt_msr()
46 set_trap(&task->thread.ckpt_regs, trap); in set_user_ckpt_trap()
63 if (!MSR_TM_ACTIVE(target->thread.regs->msr)) in tm_cgpr_active()
92 if (!MSR_TM_ACTIVE(target->thread.regs->msr)) in tm_cgpr_get()
99 membuf_write(&to, &target->thread.ckpt_regs, in tm_cgpr_get()
106 membuf_write(&to, &target->thread.ckpt_regs.orig_gpr3, in tm_cgpr_get()
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/linux-5.10/tools/perf/scripts/python/
Dstat-cpi.py10 def get_key(time, event, cpu, thread): argument
11 return "%d-%s-%d-%d" % (time, event, cpu, thread)
13 def store_key(time, cpu, thread): argument
20 if (thread not in threads):
21 threads.append(thread)
23 def store(time, event, cpu, thread, val, ena, run): argument
24 #print("event %s cpu %d, thread %d, time %d, val %d, ena %d, run %d" %
25 # (event, cpu, thread, time, val, ena, run))
27 store_key(time, cpu, thread)
28 key = get_key(time, event, cpu, thread)
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/linux-5.10/Documentation/vm/
Dmmu_notifier.rst41 CPU-thread-0 {try to write to addrA}
42 CPU-thread-1 {try to write to addrB}
43 CPU-thread-2 {}
44 CPU-thread-3 {}
45 DEV-thread-0 {read addrA and populate device TLB}
46 DEV-thread-2 {read addrB and populate device TLB}
48 CPU-thread-0 {COW_step0: {mmu_notifier_invalidate_range_start(addrA)}}
49 CPU-thread-1 {COW_step0: {mmu_notifier_invalidate_range_start(addrB)}}
50 CPU-thread-2 {}
51 CPU-thread-3 {}
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/linux-5.10/tools/perf/tests/
Ddwarf-unwind.c16 #include "thread.h"
52 int test_dwarf_unwind__thread(struct thread *thread);
54 int test_dwarf_unwind__krava_3(struct thread *thread);
55 int test_dwarf_unwind__krava_2(struct thread *thread);
56 int test_dwarf_unwind__krava_1(struct thread *thread);
98 noinline int test_dwarf_unwind__thread(struct thread *thread) in test_dwarf_unwind__thread() argument
106 if (test__arch_unwind_sample(&sample, thread)) { in test_dwarf_unwind__thread()
111 err = unwind__get_entries(unwind_entry, &cnt, thread, in test_dwarf_unwind__thread()
131 /* Any possible value should be 'thread' */ in test_dwarf_unwind__compare()
132 struct thread *thread = *(struct thread **)p1; in test_dwarf_unwind__compare() local
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/linux-5.10/arch/parisc/kernel/
Dasm-offsets.c53 DEFINE(TASK_REGS, offsetof(struct task_struct, thread.regs)); in main()
54 DEFINE(TASK_PT_PSW, offsetof(struct task_struct, thread.regs.gr[ 0])); in main()
55 DEFINE(TASK_PT_GR1, offsetof(struct task_struct, thread.regs.gr[ 1])); in main()
56 DEFINE(TASK_PT_GR2, offsetof(struct task_struct, thread.regs.gr[ 2])); in main()
57 DEFINE(TASK_PT_GR3, offsetof(struct task_struct, thread.regs.gr[ 3])); in main()
58 DEFINE(TASK_PT_GR4, offsetof(struct task_struct, thread.regs.gr[ 4])); in main()
59 DEFINE(TASK_PT_GR5, offsetof(struct task_struct, thread.regs.gr[ 5])); in main()
60 DEFINE(TASK_PT_GR6, offsetof(struct task_struct, thread.regs.gr[ 6])); in main()
61 DEFINE(TASK_PT_GR7, offsetof(struct task_struct, thread.regs.gr[ 7])); in main()
62 DEFINE(TASK_PT_GR8, offsetof(struct task_struct, thread.regs.gr[ 8])); in main()
[all …]
/linux-5.10/Documentation/x86/
Dtopology.rst104 A thread is a single scheduling unit. It's the equivalent to a logical Linux
108 uses "thread".
110 Thread-related topology information in the kernel:
114 The cpumask contains all online threads in the package to which a thread
121 The cpumask contains all online threads in the core to which a thread
126 The logical package ID to which a thread belongs.
130 The physical package ID to which a thread belongs.
134 The ID of the core to which a thread belongs. It is also printed in /proc/cpuinfo
151 [package 0] -> [core 0] -> [thread 0] -> Linux CPU 0
155 a) One thread per core::
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/linux-5.10/arch/powerpc/kernel/
Dprocess.c90 * If we are saving the current thread's registers, and the in check_if_tm_restore_required()
91 * thread is in a transactional state, set the TIF_RESTORE_TM in check_if_tm_restore_required()
95 if (tsk == current && tsk->thread.regs && in check_if_tm_restore_required()
96 MSR_TM_ACTIVE(tsk->thread.regs->msr) && in check_if_tm_restore_required()
98 tsk->thread.ckpt_regs.msr = tsk->thread.regs->msr; in check_if_tm_restore_required()
159 msr = tsk->thread.regs->msr; in __giveup_fpu()
163 tsk->thread.regs->msr = msr; in __giveup_fpu()
182 if (tsk->thread.regs) { in flush_fp_to_thread()
192 if (tsk->thread.regs->msr & MSR_FP) { in flush_fp_to_thread()
216 if (current->thread.regs && (current->thread.regs->msr & MSR_FP)) { in enable_kernel_fp()
[all …]
/linux-5.10/arch/mips/kernel/
Dasm-offsets.c113 OFFSET(THREAD_REG16, task_struct, thread.reg16); in output_thread_defines()
114 OFFSET(THREAD_REG17, task_struct, thread.reg17); in output_thread_defines()
115 OFFSET(THREAD_REG18, task_struct, thread.reg18); in output_thread_defines()
116 OFFSET(THREAD_REG19, task_struct, thread.reg19); in output_thread_defines()
117 OFFSET(THREAD_REG20, task_struct, thread.reg20); in output_thread_defines()
118 OFFSET(THREAD_REG21, task_struct, thread.reg21); in output_thread_defines()
119 OFFSET(THREAD_REG22, task_struct, thread.reg22); in output_thread_defines()
120 OFFSET(THREAD_REG23, task_struct, thread.reg23); in output_thread_defines()
121 OFFSET(THREAD_REG29, task_struct, thread.reg29); in output_thread_defines()
122 OFFSET(THREAD_REG30, task_struct, thread.reg30); in output_thread_defines()
[all …]
/linux-5.10/drivers/acpi/acpica/
Dexmutex.c21 struct acpi_thread_state *thread);
37 struct acpi_thread_state *thread = obj_desc->mutex.owner_thread; in acpi_ex_unlink_mutex() local
39 if (!thread) { in acpi_ex_unlink_mutex()
61 thread->acquired_mutex_list = obj_desc->mutex.next; in acpi_ex_unlink_mutex()
70 * thread - Current executing thread object
80 struct acpi_thread_state *thread) in acpi_ex_link_mutex() argument
84 list_head = thread->acquired_mutex_list; in acpi_ex_link_mutex()
99 thread->acquired_mutex_list = obj_desc; in acpi_ex_link_mutex()
108 * thread_id - Current thread state
113 * path that supports multiple acquires by the same thread.
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/linux-5.10/arch/um/kernel/
Dprocess.c87 to->thread.prev_sched = from; in __switch_to()
90 switch_threads(&from->thread.switch_buf, &to->thread.switch_buf); in __switch_to()
93 return current->thread.prev_sched; in __switch_to()
98 struct pt_regs *regs = &current->thread.regs; in interrupt_end()
122 if (current->thread.prev_sched != NULL) in new_thread_handler()
123 schedule_tail(current->thread.prev_sched); in new_thread_handler()
124 current->thread.prev_sched = NULL; in new_thread_handler()
126 fn = current->thread.request.u.thread.proc; in new_thread_handler()
127 arg = current->thread.request.u.thread.arg; in new_thread_handler()
130 * callback returns only if the kernel thread execs a process in new_thread_handler()
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/linux-5.10/drivers/android/
Dbinder.c21 * 3) proc->inner_lock : protects the thread and node lists
24 * (proc->todo, thread->todo, proc->delivered_death and
25 * node->async_todo), as well as thread->transaction_stack
221 * There are separate work lists for proc, thread, and node (async).
498 * struct binder_thread - binder thread bookkeeping
499 * @proc: binder process for this thread
505 * @pid: PID for this thread
508 * (only accessed by this thread)
509 * @looper_needs_return: looping thread needs to exit driver
511 * @transaction_stack: stack of in-progress transactions for this thread
[all …]

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