diff options
Diffstat (limited to 'arch/x86')
| -rw-r--r-- | arch/x86/kernel/Makefile | 1 | ||||
| -rw-r--r-- | arch/x86/kernel/trace.c | 234 |
2 files changed, 235 insertions, 0 deletions
diff --git a/arch/x86/kernel/Makefile b/arch/x86/kernel/Makefile index 0f66682ac02a..3e625c61f008 100644 --- a/arch/x86/kernel/Makefile +++ b/arch/x86/kernel/Makefile @@ -102,6 +102,7 @@ obj-$(CONFIG_FUNCTION_TRACER) += ftrace_$(BITS).o obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o obj-$(CONFIG_FTRACE_SYSCALLS) += ftrace.o obj-$(CONFIG_X86_TSC) += trace_clock.o +obj-$(CONFIG_TRACING) += trace.o obj-$(CONFIG_CRASH_CORE) += crash_core_$(BITS).o obj-$(CONFIG_KEXEC_CORE) += machine_kexec_$(BITS).o obj-$(CONFIG_KEXEC_CORE) += relocate_kernel_$(BITS).o crash.o diff --git a/arch/x86/kernel/trace.c b/arch/x86/kernel/trace.c new file mode 100644 index 000000000000..6b73b6f92ad3 --- /dev/null +++ b/arch/x86/kernel/trace.c @@ -0,0 +1,234 @@ +#include <asm/trace/irq_vectors.h> +#include <linux/trace.h> + +#if defined(CONFIG_OSNOISE_TRACER) && defined(CONFIG_X86_LOCAL_APIC) +/* + * trace_intel_irq_entry - record intel specific IRQ entry + */ +static void trace_intel_irq_entry(void *data, int vector) +{ + osnoise_trace_irq_entry(vector); +} + +/* + * trace_intel_irq_exit - record intel specific IRQ exit + */ +static void trace_intel_irq_exit(void *data, int vector) +{ + char *vector_desc = (char *) data; + + osnoise_trace_irq_exit(vector, vector_desc); +} + +/* + * register_intel_irq_tp - Register intel specific IRQ entry tracepoints + */ +int osnoise_arch_register(void) +{ + int ret; + + ret = register_trace_local_timer_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_err; + + ret = register_trace_local_timer_exit(trace_intel_irq_exit, "local_timer"); + if (ret) + goto out_timer_entry; + +#ifdef CONFIG_X86_THERMAL_VECTOR + ret = register_trace_thermal_apic_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_timer_exit; + + ret = register_trace_thermal_apic_exit(trace_intel_irq_exit, "thermal_apic"); + if (ret) + goto out_thermal_entry; +#endif /* CONFIG_X86_THERMAL_VECTOR */ + +#ifdef CONFIG_X86_MCE_AMD + ret = register_trace_deferred_error_apic_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_thermal_exit; + + ret = register_trace_deferred_error_apic_exit(trace_intel_irq_exit, "deferred_error"); + if (ret) + goto out_deferred_entry; +#endif + +#ifdef CONFIG_X86_MCE_THRESHOLD + ret = register_trace_threshold_apic_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_deferred_exit; + + ret = register_trace_threshold_apic_exit(trace_intel_irq_exit, "threshold_apic"); + if (ret) + goto out_threshold_entry; +#endif /* CONFIG_X86_MCE_THRESHOLD */ + +#ifdef CONFIG_SMP + ret = register_trace_call_function_single_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_threshold_exit; + + ret = register_trace_call_function_single_exit(trace_intel_irq_exit, + "call_function_single"); + if (ret) + goto out_call_function_single_entry; + + ret = register_trace_call_function_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_call_function_single_exit; + + ret = register_trace_call_function_exit(trace_intel_irq_exit, "call_function"); + if (ret) + goto out_call_function_entry; + + ret = register_trace_reschedule_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_call_function_exit; + + ret = register_trace_reschedule_exit(trace_intel_irq_exit, "reschedule"); + if (ret) + goto out_reschedule_entry; +#endif /* CONFIG_SMP */ + +#ifdef CONFIG_IRQ_WORK + ret = register_trace_irq_work_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_reschedule_exit; + + ret = register_trace_irq_work_exit(trace_intel_irq_exit, "irq_work"); + if (ret) + goto out_irq_work_entry; +#endif + + ret = register_trace_x86_platform_ipi_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_irq_work_exit; + + ret = register_trace_x86_platform_ipi_exit(trace_intel_irq_exit, "x86_platform_ipi"); + if (ret) + goto out_x86_ipi_entry; + + ret = register_trace_error_apic_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_x86_ipi_exit; + + ret = register_trace_error_apic_exit(trace_intel_irq_exit, "error_apic"); + if (ret) + goto out_error_apic_entry; + + ret = register_trace_spurious_apic_entry(trace_intel_irq_entry, NULL); + if (ret) + goto out_error_apic_exit; + + ret = register_trace_spurious_apic_exit(trace_intel_irq_exit, "spurious_apic"); + if (ret) + goto out_spurious_apic_entry; + + return 0; + +out_spurious_apic_entry: + unregister_trace_spurious_apic_entry(trace_intel_irq_entry, NULL); +out_error_apic_exit: + unregister_trace_error_apic_exit(trace_intel_irq_exit, "error_apic"); +out_error_apic_entry: + unregister_trace_error_apic_entry(trace_intel_irq_entry, NULL); +out_x86_ipi_exit: + unregister_trace_x86_platform_ipi_exit(trace_intel_irq_exit, "x86_platform_ipi"); +out_x86_ipi_entry: + unregister_trace_x86_platform_ipi_entry(trace_intel_irq_entry, NULL); +out_irq_work_exit: + +#ifdef CONFIG_IRQ_WORK + unregister_trace_irq_work_exit(trace_intel_irq_exit, "irq_work"); +out_irq_work_entry: + unregister_trace_irq_work_entry(trace_intel_irq_entry, NULL); +out_reschedule_exit: +#endif + +#ifdef CONFIG_SMP + unregister_trace_reschedule_exit(trace_intel_irq_exit, "reschedule"); +out_reschedule_entry: + unregister_trace_reschedule_entry(trace_intel_irq_entry, NULL); +out_call_function_exit: + unregister_trace_call_function_exit(trace_intel_irq_exit, "call_function"); +out_call_function_entry: + unregister_trace_call_function_entry(trace_intel_irq_entry, NULL); +out_call_function_single_exit: + unregister_trace_call_function_single_exit(trace_intel_irq_exit, "call_function_single"); +out_call_function_single_entry: + unregister_trace_call_function_single_entry(trace_intel_irq_entry, NULL); +out_threshold_exit: +#endif + +#ifdef CONFIG_X86_MCE_THRESHOLD + unregister_trace_threshold_apic_exit(trace_intel_irq_exit, "threshold_apic"); +out_threshold_entry: + unregister_trace_threshold_apic_entry(trace_intel_irq_entry, NULL); +out_deferred_exit: +#endif + +#ifdef CONFIG_X86_MCE_AMD + unregister_trace_deferred_error_apic_exit(trace_intel_irq_exit, "deferred_error"); +out_deferred_entry: + unregister_trace_deferred_error_apic_entry(trace_intel_irq_entry, NULL); +out_thermal_exit: +#endif /* CONFIG_X86_MCE_AMD */ + +#ifdef CONFIG_X86_THERMAL_VECTOR + unregister_trace_thermal_apic_exit(trace_intel_irq_exit, "thermal_apic"); +out_thermal_entry: + unregister_trace_thermal_apic_entry(trace_intel_irq_entry, NULL); +out_timer_exit: +#endif /* CONFIG_X86_THERMAL_VECTOR */ + + unregister_trace_local_timer_exit(trace_intel_irq_exit, "local_timer"); +out_timer_entry: + unregister_trace_local_timer_entry(trace_intel_irq_entry, NULL); +out_err: + return -EINVAL; +} + +void osnoise_arch_unregister(void) +{ + unregister_trace_spurious_apic_exit(trace_intel_irq_exit, "spurious_apic"); + unregister_trace_spurious_apic_entry(trace_intel_irq_entry, NULL); + unregister_trace_error_apic_exit(trace_intel_irq_exit, "error_apic"); + unregister_trace_error_apic_entry(trace_intel_irq_entry, NULL); + unregister_trace_x86_platform_ipi_exit(trace_intel_irq_exit, "x86_platform_ipi"); + unregister_trace_x86_platform_ipi_entry(trace_intel_irq_entry, NULL); + +#ifdef CONFIG_IRQ_WORK + unregister_trace_irq_work_exit(trace_intel_irq_exit, "irq_work"); + unregister_trace_irq_work_entry(trace_intel_irq_entry, NULL); +#endif + +#ifdef CONFIG_SMP + unregister_trace_reschedule_exit(trace_intel_irq_exit, "reschedule"); + unregister_trace_reschedule_entry(trace_intel_irq_entry, NULL); + unregister_trace_call_function_exit(trace_intel_irq_exit, "call_function"); + unregister_trace_call_function_entry(trace_intel_irq_entry, NULL); + unregister_trace_call_function_single_exit(trace_intel_irq_exit, "call_function_single"); + unregister_trace_call_function_single_entry(trace_intel_irq_entry, NULL); +#endif + +#ifdef CONFIG_X86_MCE_THRESHOLD + unregister_trace_threshold_apic_exit(trace_intel_irq_exit, "threshold_apic"); + unregister_trace_threshold_apic_entry(trace_intel_irq_entry, NULL); +#endif + +#ifdef CONFIG_X86_MCE_AMD + unregister_trace_deferred_error_apic_exit(trace_intel_irq_exit, "deferred_error"); + unregister_trace_deferred_error_apic_entry(trace_intel_irq_entry, NULL); +#endif + +#ifdef CONFIG_X86_THERMAL_VECTOR + unregister_trace_thermal_apic_exit(trace_intel_irq_exit, "thermal_apic"); + unregister_trace_thermal_apic_entry(trace_intel_irq_entry, NULL); +#endif /* CONFIG_X86_THERMAL_VECTOR */ + + unregister_trace_local_timer_exit(trace_intel_irq_exit, "local_timer"); + unregister_trace_local_timer_entry(trace_intel_irq_entry, NULL); +} +#endif /* CONFIG_OSNOISE_TRAECR && CONFIG_X86_LOCAL_APIC */ |