trace_arm.h 7.2 KB

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  1. /* SPDX-License-Identifier: GPL-2.0 */
  2. #if !defined(_TRACE_ARM_ARM64_KVM_H) || defined(TRACE_HEADER_MULTI_READ)
  3. #define _TRACE_ARM_ARM64_KVM_H
  4. #include <kvm/arm_arch_timer.h>
  5. #include <linux/tracepoint.h>
  6. #undef TRACE_SYSTEM
  7. #define TRACE_SYSTEM kvm
  8. /*
  9. * Tracepoints for entry/exit to guest
  10. */
  11. TRACE_EVENT(kvm_entry,
  12. TP_PROTO(unsigned long vcpu_pc),
  13. TP_ARGS(vcpu_pc),
  14. TP_STRUCT__entry(
  15. __field( unsigned long, vcpu_pc )
  16. ),
  17. TP_fast_assign(
  18. __entry->vcpu_pc = vcpu_pc;
  19. ),
  20. TP_printk("PC: 0x%016lx", __entry->vcpu_pc)
  21. );
  22. TRACE_EVENT(kvm_exit,
  23. TP_PROTO(int ret, unsigned int esr_ec, unsigned long vcpu_pc),
  24. TP_ARGS(ret, esr_ec, vcpu_pc),
  25. TP_STRUCT__entry(
  26. __field( int, ret )
  27. __field( unsigned int, esr_ec )
  28. __field( unsigned long, vcpu_pc )
  29. ),
  30. TP_fast_assign(
  31. __entry->ret = ARM_EXCEPTION_CODE(ret);
  32. __entry->esr_ec = ARM_EXCEPTION_IS_TRAP(ret) ? esr_ec : 0;
  33. __entry->vcpu_pc = vcpu_pc;
  34. ),
  35. TP_printk("%s: HSR_EC: 0x%04x (%s), PC: 0x%016lx",
  36. __print_symbolic(__entry->ret, kvm_arm_exception_type),
  37. __entry->esr_ec,
  38. __print_symbolic(__entry->esr_ec, kvm_arm_exception_class),
  39. __entry->vcpu_pc)
  40. );
  41. TRACE_EVENT(kvm_guest_fault,
  42. TP_PROTO(unsigned long vcpu_pc, unsigned long hsr,
  43. unsigned long hxfar,
  44. unsigned long long ipa),
  45. TP_ARGS(vcpu_pc, hsr, hxfar, ipa),
  46. TP_STRUCT__entry(
  47. __field( unsigned long, vcpu_pc )
  48. __field( unsigned long, hsr )
  49. __field( unsigned long, hxfar )
  50. __field( unsigned long long, ipa )
  51. ),
  52. TP_fast_assign(
  53. __entry->vcpu_pc = vcpu_pc;
  54. __entry->hsr = hsr;
  55. __entry->hxfar = hxfar;
  56. __entry->ipa = ipa;
  57. ),
  58. TP_printk("ipa %#llx, hsr %#08lx, hxfar %#08lx, pc %#016lx",
  59. __entry->ipa, __entry->hsr,
  60. __entry->hxfar, __entry->vcpu_pc)
  61. );
  62. TRACE_EVENT(kvm_access_fault,
  63. TP_PROTO(unsigned long ipa),
  64. TP_ARGS(ipa),
  65. TP_STRUCT__entry(
  66. __field( unsigned long, ipa )
  67. ),
  68. TP_fast_assign(
  69. __entry->ipa = ipa;
  70. ),
  71. TP_printk("IPA: %lx", __entry->ipa)
  72. );
  73. TRACE_EVENT(kvm_irq_line,
  74. TP_PROTO(unsigned int type, int vcpu_idx, int irq_num, int level),
  75. TP_ARGS(type, vcpu_idx, irq_num, level),
  76. TP_STRUCT__entry(
  77. __field( unsigned int, type )
  78. __field( int, vcpu_idx )
  79. __field( int, irq_num )
  80. __field( int, level )
  81. ),
  82. TP_fast_assign(
  83. __entry->type = type;
  84. __entry->vcpu_idx = vcpu_idx;
  85. __entry->irq_num = irq_num;
  86. __entry->level = level;
  87. ),
  88. TP_printk("Inject %s interrupt (%d), vcpu->idx: %d, num: %d, level: %d",
  89. (__entry->type == KVM_ARM_IRQ_TYPE_CPU) ? "CPU" :
  90. (__entry->type == KVM_ARM_IRQ_TYPE_PPI) ? "VGIC PPI" :
  91. (__entry->type == KVM_ARM_IRQ_TYPE_SPI) ? "VGIC SPI" : "UNKNOWN",
  92. __entry->type, __entry->vcpu_idx, __entry->irq_num, __entry->level)
  93. );
  94. TRACE_EVENT(kvm_mmio_emulate,
  95. TP_PROTO(unsigned long vcpu_pc, unsigned long instr,
  96. unsigned long cpsr),
  97. TP_ARGS(vcpu_pc, instr, cpsr),
  98. TP_STRUCT__entry(
  99. __field( unsigned long, vcpu_pc )
  100. __field( unsigned long, instr )
  101. __field( unsigned long, cpsr )
  102. ),
  103. TP_fast_assign(
  104. __entry->vcpu_pc = vcpu_pc;
  105. __entry->instr = instr;
  106. __entry->cpsr = cpsr;
  107. ),
  108. TP_printk("Emulate MMIO at: 0x%016lx (instr: %08lx, cpsr: %08lx)",
  109. __entry->vcpu_pc, __entry->instr, __entry->cpsr)
  110. );
  111. TRACE_EVENT(kvm_set_way_flush,
  112. TP_PROTO(unsigned long vcpu_pc, bool cache),
  113. TP_ARGS(vcpu_pc, cache),
  114. TP_STRUCT__entry(
  115. __field( unsigned long, vcpu_pc )
  116. __field( bool, cache )
  117. ),
  118. TP_fast_assign(
  119. __entry->vcpu_pc = vcpu_pc;
  120. __entry->cache = cache;
  121. ),
  122. TP_printk("S/W flush at 0x%016lx (cache %s)",
  123. __entry->vcpu_pc, __entry->cache ? "on" : "off")
  124. );
  125. TRACE_EVENT(kvm_toggle_cache,
  126. TP_PROTO(unsigned long vcpu_pc, bool was, bool now),
  127. TP_ARGS(vcpu_pc, was, now),
  128. TP_STRUCT__entry(
  129. __field( unsigned long, vcpu_pc )
  130. __field( bool, was )
  131. __field( bool, now )
  132. ),
  133. TP_fast_assign(
  134. __entry->vcpu_pc = vcpu_pc;
  135. __entry->was = was;
  136. __entry->now = now;
  137. ),
  138. TP_printk("VM op at 0x%016lx (cache was %s, now %s)",
  139. __entry->vcpu_pc, __entry->was ? "on" : "off",
  140. __entry->now ? "on" : "off")
  141. );
  142. /*
  143. * Tracepoints for arch_timer
  144. */
  145. TRACE_EVENT(kvm_timer_update_irq,
  146. TP_PROTO(unsigned long vcpu_id, __u32 irq, int level),
  147. TP_ARGS(vcpu_id, irq, level),
  148. TP_STRUCT__entry(
  149. __field( unsigned long, vcpu_id )
  150. __field( __u32, irq )
  151. __field( int, level )
  152. ),
  153. TP_fast_assign(
  154. __entry->vcpu_id = vcpu_id;
  155. __entry->irq = irq;
  156. __entry->level = level;
  157. ),
  158. TP_printk("VCPU: %ld, IRQ %d, level %d",
  159. __entry->vcpu_id, __entry->irq, __entry->level)
  160. );
  161. TRACE_EVENT(kvm_get_timer_map,
  162. TP_PROTO(unsigned long vcpu_id, struct timer_map *map),
  163. TP_ARGS(vcpu_id, map),
  164. TP_STRUCT__entry(
  165. __field( unsigned long, vcpu_id )
  166. __field( int, direct_vtimer )
  167. __field( int, direct_ptimer )
  168. __field( int, emul_ptimer )
  169. ),
  170. TP_fast_assign(
  171. __entry->vcpu_id = vcpu_id;
  172. __entry->direct_vtimer = arch_timer_ctx_index(map->direct_vtimer);
  173. __entry->direct_ptimer =
  174. (map->direct_ptimer) ? arch_timer_ctx_index(map->direct_ptimer) : -1;
  175. __entry->emul_ptimer =
  176. (map->emul_ptimer) ? arch_timer_ctx_index(map->emul_ptimer) : -1;
  177. ),
  178. TP_printk("VCPU: %ld, dv: %d, dp: %d, ep: %d",
  179. __entry->vcpu_id,
  180. __entry->direct_vtimer,
  181. __entry->direct_ptimer,
  182. __entry->emul_ptimer)
  183. );
  184. TRACE_EVENT(kvm_timer_save_state,
  185. TP_PROTO(struct arch_timer_context *ctx),
  186. TP_ARGS(ctx),
  187. TP_STRUCT__entry(
  188. __field( unsigned long, ctl )
  189. __field( unsigned long long, cval )
  190. __field( int, timer_idx )
  191. ),
  192. TP_fast_assign(
  193. __entry->ctl = timer_get_ctl(ctx);
  194. __entry->cval = timer_get_cval(ctx);
  195. __entry->timer_idx = arch_timer_ctx_index(ctx);
  196. ),
  197. TP_printk(" CTL: %#08lx CVAL: %#16llx arch_timer_ctx_index: %d",
  198. __entry->ctl,
  199. __entry->cval,
  200. __entry->timer_idx)
  201. );
  202. TRACE_EVENT(kvm_timer_restore_state,
  203. TP_PROTO(struct arch_timer_context *ctx),
  204. TP_ARGS(ctx),
  205. TP_STRUCT__entry(
  206. __field( unsigned long, ctl )
  207. __field( unsigned long long, cval )
  208. __field( int, timer_idx )
  209. ),
  210. TP_fast_assign(
  211. __entry->ctl = timer_get_ctl(ctx);
  212. __entry->cval = timer_get_cval(ctx);
  213. __entry->timer_idx = arch_timer_ctx_index(ctx);
  214. ),
  215. TP_printk("CTL: %#08lx CVAL: %#16llx arch_timer_ctx_index: %d",
  216. __entry->ctl,
  217. __entry->cval,
  218. __entry->timer_idx)
  219. );
  220. TRACE_EVENT(kvm_timer_hrtimer_expire,
  221. TP_PROTO(struct arch_timer_context *ctx),
  222. TP_ARGS(ctx),
  223. TP_STRUCT__entry(
  224. __field( int, timer_idx )
  225. ),
  226. TP_fast_assign(
  227. __entry->timer_idx = arch_timer_ctx_index(ctx);
  228. ),
  229. TP_printk("arch_timer_ctx_index: %d", __entry->timer_idx)
  230. );
  231. TRACE_EVENT(kvm_timer_emulate,
  232. TP_PROTO(struct arch_timer_context *ctx, bool should_fire),
  233. TP_ARGS(ctx, should_fire),
  234. TP_STRUCT__entry(
  235. __field( int, timer_idx )
  236. __field( bool, should_fire )
  237. ),
  238. TP_fast_assign(
  239. __entry->timer_idx = arch_timer_ctx_index(ctx);
  240. __entry->should_fire = should_fire;
  241. ),
  242. TP_printk("arch_timer_ctx_index: %d (should_fire: %d)",
  243. __entry->timer_idx, __entry->should_fire)
  244. );
  245. #endif /* _TRACE_ARM_ARM64_KVM_H */
  246. #undef TRACE_INCLUDE_PATH
  247. #define TRACE_INCLUDE_PATH .
  248. #undef TRACE_INCLUDE_FILE
  249. #define TRACE_INCLUDE_FILE trace_arm
  250. /* This part must be outside protection */
  251. #include <trace/define_trace.h>