| Kconfig (40565b5aedd6d0ca88b7dfd3859d709d2f6f8cf9) | Kconfig (e8f4aa6087fa80732382881ef7c0c96733bb1984) |
|---|---|
| 1# 2# General architecture dependent options 3# 4 5config KEXEC_CORE 6 bool 7 8config OPROFILE --- 82 unchanged lines hidden (view full) --- 91 depends on DYNAMIC_FTRACE_WITH_REGS 92 help 93 If function tracer is enabled and the arch supports full 94 passing of pt_regs to function tracing, then kprobes can 95 optimize on top of function tracing. 96 97config UPROBES 98 def_bool n | 1# 2# General architecture dependent options 3# 4 5config KEXEC_CORE 6 bool 7 8config OPROFILE --- 82 unchanged lines hidden (view full) --- 91 depends on DYNAMIC_FTRACE_WITH_REGS 92 help 93 If function tracer is enabled and the arch supports full 94 passing of pt_regs to function tracing, then kprobes can 95 optimize on top of function tracing. 96 97config UPROBES 98 def_bool n |
| 99 depends on ARCH_SUPPORTS_UPROBES |
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| 99 help 100 Uprobes is the user-space counterpart to kprobes: they 101 enable instrumentation applications (such as 'perf probe') 102 to establish unintrusive probes in user-space binaries and 103 libraries, by executing handler functions when the probes 104 are hit by user-space applications. 105 106 ( These probes come in the form of single-byte breakpoints, --- 400 unchanged lines hidden (view full) --- 507 the slow path using TIF_NOHZ flag. Exceptions handlers must be 508 wrapped as well. Irqs are already protected inside 509 rcu_irq_enter/rcu_irq_exit() but preemption or signal handling on 510 irq exit still need to be protected. 511 512config HAVE_VIRT_CPU_ACCOUNTING 513 bool 514 | 100 help 101 Uprobes is the user-space counterpart to kprobes: they 102 enable instrumentation applications (such as 'perf probe') 103 to establish unintrusive probes in user-space binaries and 104 libraries, by executing handler functions when the probes 105 are hit by user-space applications. 106 107 ( These probes come in the form of single-byte breakpoints, --- 400 unchanged lines hidden (view full) --- 508 the slow path using TIF_NOHZ flag. Exceptions handlers must be 509 wrapped as well. Irqs are already protected inside 510 rcu_irq_enter/rcu_irq_exit() but preemption or signal handling on 511 irq exit still need to be protected. 512 513config HAVE_VIRT_CPU_ACCOUNTING 514 bool 515 |
| 515config ARCH_HAS_SCALED_CPUTIME 516 bool 517 | |
| 518config HAVE_VIRT_CPU_ACCOUNTING_GEN 519 bool 520 default y if 64BIT 521 help 522 With VIRT_CPU_ACCOUNTING_GEN, cputime_t becomes 64-bit. 523 Before enabling this option, arch code must be audited 524 to ensure there are no races in concurrent read/write of 525 cputime_t. For example, reading/writing 64-bit cputime_t on --- 250 unchanged lines hidden --- | 516config HAVE_VIRT_CPU_ACCOUNTING_GEN 517 bool 518 default y if 64BIT 519 help 520 With VIRT_CPU_ACCOUNTING_GEN, cputime_t becomes 64-bit. 521 Before enabling this option, arch code must be audited 522 to ensure there are no races in concurrent read/write of 523 cputime_t. For example, reading/writing 64-bit cputime_t on --- 250 unchanged lines hidden --- |