arch/x86/kernel/trace.c

   1 #include <asm/trace/irq_vectors.h>
   2 #include <linux/trace.h>
   3
   4 #if defined(CONFIG_OSNOISE_TRACER) && defined(CONFIG_X86_LOCAL_APIC)
   5 /*
   6  * trace_intel_irq_entry - record intel specific IRQ entry
   7  */
   8 static void trace_intel_irq_entry(void *data, int vector)
   9 {
  10         osnoise_trace_irq_entry(vector);
  11 }
  12
  13 /*
  14  * trace_intel_irq_exit - record intel specific IRQ exit
  15  */
  16 static void trace_intel_irq_exit(void *data, int vector)
  17 {
  18         char *vector_desc = (char *) data;
  19
  20         osnoise_trace_irq_exit(vector, vector_desc);
  21 }
  22
  23 /*
  24  * register_intel_irq_tp - Register intel specific IRQ entry tracepoints
  25  */
  26 int osnoise_arch_register(void)
  27 {
  28         int ret;
  29
  30         ret = register_trace_local_timer_entry(trace_intel_irq_entry, NULL);
  31         if (ret)
  32                 goto out_err;
  33
  34         ret = register_trace_local_timer_exit(trace_intel_irq_exit, "local_timer");
  35         if (ret)
  36                 goto out_timer_entry;
  37
  38 #ifdef CONFIG_X86_THERMAL_VECTOR
  39         ret = register_trace_thermal_apic_entry(trace_intel_irq_entry, NULL);
  40         if (ret)
  41                 goto out_timer_exit;
  42
  43         ret = register_trace_thermal_apic_exit(trace_intel_irq_exit, "thermal_apic");
  44         if (ret)
  45                 goto out_thermal_entry;
  46 #endif /* CONFIG_X86_THERMAL_VECTOR */
  47
  48 #ifdef CONFIG_X86_MCE_AMD
  49         ret = register_trace_deferred_error_apic_entry(trace_intel_irq_entry, NULL);
  50         if (ret)
  51                 goto out_thermal_exit;
  52
  53         ret = register_trace_deferred_error_apic_exit(trace_intel_irq_exit, "deferred_error");
  54         if (ret)
  55                 goto out_deferred_entry;
  56 #endif
  57
  58 #ifdef CONFIG_X86_MCE_THRESHOLD
  59         ret = register_trace_threshold_apic_entry(trace_intel_irq_entry, NULL);
  60         if (ret)
  61                 goto out_deferred_exit;
  62
  63         ret = register_trace_threshold_apic_exit(trace_intel_irq_exit, "threshold_apic");
  64         if (ret)
  65                 goto out_threshold_entry;
  66 #endif /* CONFIG_X86_MCE_THRESHOLD */
  67
  68 #ifdef CONFIG_SMP
  69         ret = register_trace_call_function_single_entry(trace_intel_irq_entry, NULL);
  70         if (ret)
  71                 goto out_threshold_exit;
  72
  73         ret = register_trace_call_function_single_exit(trace_intel_irq_exit,
  74                                                        "call_function_single");
  75         if (ret)
  76                 goto out_call_function_single_entry;
  77
  78         ret = register_trace_call_function_entry(trace_intel_irq_entry, NULL);
  79         if (ret)
  80                 goto out_call_function_single_exit;
  81
  82         ret = register_trace_call_function_exit(trace_intel_irq_exit, "call_function");
  83         if (ret)
  84                 goto out_call_function_entry;
  85
  86         ret = register_trace_reschedule_entry(trace_intel_irq_entry, NULL);
  87         if (ret)
  88                 goto out_call_function_exit;
  89
  90         ret = register_trace_reschedule_exit(trace_intel_irq_exit, "reschedule");
  91         if (ret)
  92                 goto out_reschedule_entry;
  93 #endif /* CONFIG_SMP */
  94
  95 #ifdef CONFIG_IRQ_WORK
  96         ret = register_trace_irq_work_entry(trace_intel_irq_entry, NULL);
  97         if (ret)
  98                 goto out_reschedule_exit;
  99
 100         ret = register_trace_irq_work_exit(trace_intel_irq_exit, "irq_work");
 101         if (ret)
 102                 goto out_irq_work_entry;
 103 #endif
 104
 105         ret = register_trace_x86_platform_ipi_entry(trace_intel_irq_entry, NULL);
 106         if (ret)
 107                 goto out_irq_work_exit;
 108
 109         ret = register_trace_x86_platform_ipi_exit(trace_intel_irq_exit, "x86_platform_ipi");
 110         if (ret)
 111                 goto out_x86_ipi_entry;
 112
 113         ret = register_trace_error_apic_entry(trace_intel_irq_entry, NULL);
 114         if (ret)
 115                 goto out_x86_ipi_exit;
 116
 117         ret = register_trace_error_apic_exit(trace_intel_irq_exit, "error_apic");
 118         if (ret)
 119                 goto out_error_apic_entry;
 120
 121         ret = register_trace_spurious_apic_entry(trace_intel_irq_entry, NULL);
 122         if (ret)
 123                 goto out_error_apic_exit;
 124
 125         ret = register_trace_spurious_apic_exit(trace_intel_irq_exit, "spurious_apic");
 126         if (ret)
 127                 goto out_spurious_apic_entry;
 128
 129         return 0;
 130
 131 out_spurious_apic_entry:
 132         unregister_trace_spurious_apic_entry(trace_intel_irq_entry, NULL);
 133 out_error_apic_exit:
 134         unregister_trace_error_apic_exit(trace_intel_irq_exit, "error_apic");
 135 out_error_apic_entry:
 136         unregister_trace_error_apic_entry(trace_intel_irq_entry, NULL);
 137 out_x86_ipi_exit:
 138         unregister_trace_x86_platform_ipi_exit(trace_intel_irq_exit, "x86_platform_ipi");
 139 out_x86_ipi_entry:
 140         unregister_trace_x86_platform_ipi_entry(trace_intel_irq_entry, NULL);
 141 out_irq_work_exit:
 142
 143 #ifdef CONFIG_IRQ_WORK
 144         unregister_trace_irq_work_exit(trace_intel_irq_exit, "irq_work");
 145 out_irq_work_entry:
 146         unregister_trace_irq_work_entry(trace_intel_irq_entry, NULL);
 147 out_reschedule_exit:
 148 #endif
 149
 150 #ifdef CONFIG_SMP
 151         unregister_trace_reschedule_exit(trace_intel_irq_exit, "reschedule");
 152 out_reschedule_entry:
 153         unregister_trace_reschedule_entry(trace_intel_irq_entry, NULL);
 154 out_call_function_exit:
 155         unregister_trace_call_function_exit(trace_intel_irq_exit, "call_function");
 156 out_call_function_entry:
 157         unregister_trace_call_function_entry(trace_intel_irq_entry, NULL);
 158 out_call_function_single_exit:
 159         unregister_trace_call_function_single_exit(trace_intel_irq_exit, "call_function_single");
 160 out_call_function_single_entry:
 161         unregister_trace_call_function_single_entry(trace_intel_irq_entry, NULL);
 162 out_threshold_exit:
 163 #endif
 164
 165 #ifdef CONFIG_X86_MCE_THRESHOLD
 166         unregister_trace_threshold_apic_exit(trace_intel_irq_exit, "threshold_apic");
 167 out_threshold_entry:
 168         unregister_trace_threshold_apic_entry(trace_intel_irq_entry, NULL);
 169 out_deferred_exit:
 170 #endif
 171
 172 #ifdef CONFIG_X86_MCE_AMD
 173         unregister_trace_deferred_error_apic_exit(trace_intel_irq_exit, "deferred_error");
 174 out_deferred_entry:
 175         unregister_trace_deferred_error_apic_entry(trace_intel_irq_entry, NULL);
 176 out_thermal_exit:
 177 #endif /* CONFIG_X86_MCE_AMD */
 178
 179 #ifdef CONFIG_X86_THERMAL_VECTOR
 180         unregister_trace_thermal_apic_exit(trace_intel_irq_exit, "thermal_apic");
 181 out_thermal_entry:
 182         unregister_trace_thermal_apic_entry(trace_intel_irq_entry, NULL);
 183 out_timer_exit:
 184 #endif /* CONFIG_X86_THERMAL_VECTOR */
 185
 186         unregister_trace_local_timer_exit(trace_intel_irq_exit, "local_timer");
 187 out_timer_entry:
 188         unregister_trace_local_timer_entry(trace_intel_irq_entry, NULL);
 189 out_err:
 190         return -EINVAL;
 191 }
 192
 193 void osnoise_arch_unregister(void)
 194 {
 195         unregister_trace_spurious_apic_exit(trace_intel_irq_exit, "spurious_apic");
 196         unregister_trace_spurious_apic_entry(trace_intel_irq_entry, NULL);
 197         unregister_trace_error_apic_exit(trace_intel_irq_exit, "error_apic");
 198         unregister_trace_error_apic_entry(trace_intel_irq_entry, NULL);
 199         unregister_trace_x86_platform_ipi_exit(trace_intel_irq_exit, "x86_platform_ipi");
 200         unregister_trace_x86_platform_ipi_entry(trace_intel_irq_entry, NULL);
 201
 202 #ifdef CONFIG_IRQ_WORK
 203         unregister_trace_irq_work_exit(trace_intel_irq_exit, "irq_work");
 204         unregister_trace_irq_work_entry(trace_intel_irq_entry, NULL);
 205 #endif
 206
 207 #ifdef CONFIG_SMP
 208         unregister_trace_reschedule_exit(trace_intel_irq_exit, "reschedule");
 209         unregister_trace_reschedule_entry(trace_intel_irq_entry, NULL);
 210         unregister_trace_call_function_exit(trace_intel_irq_exit, "call_function");
 211         unregister_trace_call_function_entry(trace_intel_irq_entry, NULL);
 212         unregister_trace_call_function_single_exit(trace_intel_irq_exit, "call_function_single");
 213         unregister_trace_call_function_single_entry(trace_intel_irq_entry, NULL);
 214 #endif
 215
 216 #ifdef CONFIG_X86_MCE_THRESHOLD
 217         unregister_trace_threshold_apic_exit(trace_intel_irq_exit, "threshold_apic");
 218         unregister_trace_threshold_apic_entry(trace_intel_irq_entry, NULL);
 219 #endif
 220
 221 #ifdef CONFIG_X86_MCE_AMD
 222         unregister_trace_deferred_error_apic_exit(trace_intel_irq_exit, "deferred_error");
 223         unregister_trace_deferred_error_apic_entry(trace_intel_irq_entry, NULL);
 224 #endif
 225
 226 #ifdef CONFIG_X86_THERMAL_VECTOR
 227         unregister_trace_thermal_apic_exit(trace_intel_irq_exit, "thermal_apic");
 228         unregister_trace_thermal_apic_entry(trace_intel_irq_entry, NULL);
 229 #endif /* CONFIG_X86_THERMAL_VECTOR */
 230
 231         unregister_trace_local_timer_exit(trace_intel_irq_exit, "local_timer");
 232         unregister_trace_local_timer_entry(trace_intel_irq_entry, NULL);
 233 }
 234 #endif /* CONFIG_OSNOISE_TRAECR && CONFIG_X86_LOCAL_APIC */