trace.c 15 KB

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  1. // SPDX-License-Identifier: GPL-2.0 or BSD-3-Clause
  2. /*
  3. * Copyright(c) 2015 - 2020 Intel Corporation.
  4. */
  5. #define CREATE_TRACE_POINTS
  6. #include "trace.h"
  7. #include "exp_rcv.h"
  8. #include "ipoib.h"
  9. static u8 __get_ib_hdr_len(struct ib_header *hdr)
  10. {
  11. struct ib_other_headers *ohdr;
  12. u8 opcode;
  13. if (ib_get_lnh(hdr) == HFI1_LRH_BTH)
  14. ohdr = &hdr->u.oth;
  15. else
  16. ohdr = &hdr->u.l.oth;
  17. opcode = ib_bth_get_opcode(ohdr);
  18. return hdr_len_by_opcode[opcode] == 0 ?
  19. 0 : hdr_len_by_opcode[opcode] - (12 + 8);
  20. }
  21. static u8 __get_16b_hdr_len(struct hfi1_16b_header *hdr)
  22. {
  23. struct ib_other_headers *ohdr = NULL;
  24. u8 opcode;
  25. u8 l4 = hfi1_16B_get_l4(hdr);
  26. if (l4 == OPA_16B_L4_FM) {
  27. opcode = IB_OPCODE_UD_SEND_ONLY;
  28. return (8 + 8); /* No BTH */
  29. }
  30. if (l4 == OPA_16B_L4_IB_LOCAL)
  31. ohdr = &hdr->u.oth;
  32. else
  33. ohdr = &hdr->u.l.oth;
  34. opcode = ib_bth_get_opcode(ohdr);
  35. return hdr_len_by_opcode[opcode] == 0 ?
  36. 0 : hdr_len_by_opcode[opcode] - (12 + 8 + 8);
  37. }
  38. u8 hfi1_trace_packet_hdr_len(struct hfi1_packet *packet)
  39. {
  40. if (packet->etype != RHF_RCV_TYPE_BYPASS)
  41. return __get_ib_hdr_len(packet->hdr);
  42. else
  43. return __get_16b_hdr_len(packet->hdr);
  44. }
  45. u8 hfi1_trace_opa_hdr_len(struct hfi1_opa_header *opa_hdr)
  46. {
  47. if (!opa_hdr->hdr_type)
  48. return __get_ib_hdr_len(&opa_hdr->ibh);
  49. else
  50. return __get_16b_hdr_len(&opa_hdr->opah);
  51. }
  52. const char *hfi1_trace_get_packet_l4_str(u8 l4)
  53. {
  54. if (l4)
  55. return "16B";
  56. else
  57. return "9B";
  58. }
  59. const char *hfi1_trace_get_packet_l2_str(u8 l2)
  60. {
  61. switch (l2) {
  62. case 0:
  63. return "0";
  64. case 1:
  65. return "1";
  66. case 2:
  67. return "16B";
  68. case 3:
  69. return "9B";
  70. }
  71. return "";
  72. }
  73. #define IMM_PRN "imm:%d"
  74. #define RETH_PRN "reth vaddr:0x%.16llx rkey:0x%.8x dlen:0x%.8x"
  75. #define AETH_PRN "aeth syn:0x%.2x %s msn:0x%.8x"
  76. #define DETH_PRN "deth qkey:0x%.8x sqpn:0x%.6x"
  77. #define DETH_ENTROPY_PRN "deth qkey:0x%.8x sqpn:0x%.6x entropy:0x%.2x"
  78. #define IETH_PRN "ieth rkey:0x%.8x"
  79. #define ATOMICACKETH_PRN "origdata:%llx"
  80. #define ATOMICETH_PRN "vaddr:0x%llx rkey:0x%.8x sdata:%llx cdata:%llx"
  81. #define TID_RDMA_KDETH "kdeth0 0x%x kdeth1 0x%x"
  82. #define TID_RDMA_KDETH_DATA "kdeth0 0x%x: kver %u sh %u intr %u tidctrl %u tid %x offset %x kdeth1 0x%x: jkey %x"
  83. #define TID_READ_REQ_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
  84. #define TID_READ_RSP_PRN "verbs_qp 0x%x"
  85. #define TID_WRITE_REQ_PRN "original_qp 0x%x"
  86. #define TID_WRITE_RSP_PRN "tid_flow_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
  87. #define TID_WRITE_DATA_PRN "verbs_qp 0x%x"
  88. #define TID_ACK_PRN "tid_flow_psn 0x%x verbs_psn 0x%x tid_flow_qp 0x%x verbs_qp 0x%x"
  89. #define TID_RESYNC_PRN "verbs_qp 0x%x"
  90. #define OP(transport, op) IB_OPCODE_## transport ## _ ## op
  91. static const char *parse_syndrome(u8 syndrome)
  92. {
  93. switch (syndrome >> 5) {
  94. case 0:
  95. return "ACK";
  96. case 1:
  97. return "RNRNAK";
  98. case 3:
  99. return "NAK";
  100. }
  101. return "";
  102. }
  103. void hfi1_trace_parse_9b_bth(struct ib_other_headers *ohdr,
  104. u8 *ack, bool *becn, bool *fecn, u8 *mig,
  105. u8 *se, u8 *pad, u8 *opcode, u8 *tver,
  106. u16 *pkey, u32 *psn, u32 *qpn)
  107. {
  108. *ack = ib_bth_get_ackreq(ohdr);
  109. *becn = ib_bth_get_becn(ohdr);
  110. *fecn = ib_bth_get_fecn(ohdr);
  111. *mig = ib_bth_get_migreq(ohdr);
  112. *se = ib_bth_get_se(ohdr);
  113. *pad = ib_bth_get_pad(ohdr);
  114. *opcode = ib_bth_get_opcode(ohdr);
  115. *tver = ib_bth_get_tver(ohdr);
  116. *pkey = ib_bth_get_pkey(ohdr);
  117. *psn = mask_psn(ib_bth_get_psn(ohdr));
  118. *qpn = ib_bth_get_qpn(ohdr);
  119. }
  120. void hfi1_trace_parse_16b_bth(struct ib_other_headers *ohdr,
  121. u8 *ack, u8 *mig, u8 *opcode,
  122. u8 *pad, u8 *se, u8 *tver,
  123. u32 *psn, u32 *qpn)
  124. {
  125. *ack = ib_bth_get_ackreq(ohdr);
  126. *mig = ib_bth_get_migreq(ohdr);
  127. *opcode = ib_bth_get_opcode(ohdr);
  128. *pad = ib_bth_get_pad(ohdr);
  129. *se = ib_bth_get_se(ohdr);
  130. *tver = ib_bth_get_tver(ohdr);
  131. *psn = mask_psn(ib_bth_get_psn(ohdr));
  132. *qpn = ib_bth_get_qpn(ohdr);
  133. }
  134. static u16 ib_get_len(const struct ib_header *hdr)
  135. {
  136. return be16_to_cpu(hdr->lrh[2]);
  137. }
  138. void hfi1_trace_parse_9b_hdr(struct ib_header *hdr, bool sc5,
  139. u8 *lnh, u8 *lver, u8 *sl, u8 *sc,
  140. u16 *len, u32 *dlid, u32 *slid)
  141. {
  142. *lnh = ib_get_lnh(hdr);
  143. *lver = ib_get_lver(hdr);
  144. *sl = ib_get_sl(hdr);
  145. *sc = ib_get_sc(hdr) | (sc5 << 4);
  146. *len = ib_get_len(hdr);
  147. *dlid = ib_get_dlid(hdr);
  148. *slid = ib_get_slid(hdr);
  149. }
  150. void hfi1_trace_parse_16b_hdr(struct hfi1_16b_header *hdr,
  151. u8 *age, bool *becn, bool *fecn,
  152. u8 *l4, u8 *rc, u8 *sc,
  153. u16 *entropy, u16 *len, u16 *pkey,
  154. u32 *dlid, u32 *slid)
  155. {
  156. *age = hfi1_16B_get_age(hdr);
  157. *becn = hfi1_16B_get_becn(hdr);
  158. *fecn = hfi1_16B_get_fecn(hdr);
  159. *l4 = hfi1_16B_get_l4(hdr);
  160. *rc = hfi1_16B_get_rc(hdr);
  161. *sc = hfi1_16B_get_sc(hdr);
  162. *entropy = hfi1_16B_get_entropy(hdr);
  163. *len = hfi1_16B_get_len(hdr);
  164. *pkey = hfi1_16B_get_pkey(hdr);
  165. *dlid = hfi1_16B_get_dlid(hdr);
  166. *slid = hfi1_16B_get_slid(hdr);
  167. }
  168. #define LRH_PRN "len:%d sc:%d dlid:0x%.4x slid:0x%.4x "
  169. #define LRH_9B_PRN "lnh:%d,%s lver:%d sl:%d"
  170. #define LRH_16B_PRN "age:%d becn:%d fecn:%d l4:%d " \
  171. "rc:%d sc:%d pkey:0x%.4x entropy:0x%.4x"
  172. const char *hfi1_trace_fmt_lrh(struct trace_seq *p, bool bypass,
  173. u8 age, bool becn, bool fecn, u8 l4,
  174. u8 lnh, const char *lnh_name, u8 lver,
  175. u8 rc, u8 sc, u8 sl, u16 entropy,
  176. u16 len, u16 pkey, u32 dlid, u32 slid)
  177. {
  178. const char *ret = trace_seq_buffer_ptr(p);
  179. trace_seq_printf(p, LRH_PRN, len, sc, dlid, slid);
  180. if (bypass)
  181. trace_seq_printf(p, LRH_16B_PRN,
  182. age, becn, fecn, l4, rc, sc, pkey, entropy);
  183. else
  184. trace_seq_printf(p, LRH_9B_PRN,
  185. lnh, lnh_name, lver, sl);
  186. trace_seq_putc(p, 0);
  187. return ret;
  188. }
  189. #define BTH_9B_PRN \
  190. "op:0x%.2x,%s se:%d m:%d pad:%d tver:%d pkey:0x%.4x " \
  191. "f:%d b:%d qpn:0x%.6x a:%d psn:0x%.8x"
  192. #define BTH_16B_PRN \
  193. "op:0x%.2x,%s se:%d m:%d pad:%d tver:%d " \
  194. "qpn:0x%.6x a:%d psn:0x%.8x"
  195. #define L4_FM_16B_PRN \
  196. "op:0x%.2x,%s dest_qpn:0x%.6x src_qpn:0x%.6x"
  197. const char *hfi1_trace_fmt_rest(struct trace_seq *p, bool bypass, u8 l4,
  198. u8 ack, bool becn, bool fecn, u8 mig,
  199. u8 se, u8 pad, u8 opcode, const char *opname,
  200. u8 tver, u16 pkey, u32 psn, u32 qpn,
  201. u32 dest_qpn, u32 src_qpn)
  202. {
  203. const char *ret = trace_seq_buffer_ptr(p);
  204. if (bypass)
  205. if (l4 == OPA_16B_L4_FM)
  206. trace_seq_printf(p, L4_FM_16B_PRN,
  207. opcode, opname, dest_qpn, src_qpn);
  208. else
  209. trace_seq_printf(p, BTH_16B_PRN,
  210. opcode, opname,
  211. se, mig, pad, tver, qpn, ack, psn);
  212. else
  213. trace_seq_printf(p, BTH_9B_PRN,
  214. opcode, opname,
  215. se, mig, pad, tver, pkey, fecn, becn,
  216. qpn, ack, psn);
  217. trace_seq_putc(p, 0);
  218. return ret;
  219. }
  220. const char *parse_everbs_hdrs(
  221. struct trace_seq *p,
  222. u8 opcode, u8 l4, u32 dest_qpn, u32 src_qpn,
  223. void *ehdrs)
  224. {
  225. union ib_ehdrs *eh = ehdrs;
  226. const char *ret = trace_seq_buffer_ptr(p);
  227. if (l4 == OPA_16B_L4_FM) {
  228. trace_seq_printf(p, "mgmt pkt");
  229. goto out;
  230. }
  231. switch (opcode) {
  232. /* imm */
  233. case OP(RC, SEND_LAST_WITH_IMMEDIATE):
  234. case OP(UC, SEND_LAST_WITH_IMMEDIATE):
  235. case OP(RC, SEND_ONLY_WITH_IMMEDIATE):
  236. case OP(UC, SEND_ONLY_WITH_IMMEDIATE):
  237. case OP(RC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
  238. case OP(UC, RDMA_WRITE_LAST_WITH_IMMEDIATE):
  239. trace_seq_printf(p, IMM_PRN,
  240. be32_to_cpu(eh->imm_data));
  241. break;
  242. /* reth + imm */
  243. case OP(RC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
  244. case OP(UC, RDMA_WRITE_ONLY_WITH_IMMEDIATE):
  245. trace_seq_printf(p, RETH_PRN " " IMM_PRN,
  246. get_ib_reth_vaddr(&eh->rc.reth),
  247. be32_to_cpu(eh->rc.reth.rkey),
  248. be32_to_cpu(eh->rc.reth.length),
  249. be32_to_cpu(eh->rc.imm_data));
  250. break;
  251. /* reth */
  252. case OP(RC, RDMA_READ_REQUEST):
  253. case OP(RC, RDMA_WRITE_FIRST):
  254. case OP(UC, RDMA_WRITE_FIRST):
  255. case OP(RC, RDMA_WRITE_ONLY):
  256. case OP(UC, RDMA_WRITE_ONLY):
  257. trace_seq_printf(p, RETH_PRN,
  258. get_ib_reth_vaddr(&eh->rc.reth),
  259. be32_to_cpu(eh->rc.reth.rkey),
  260. be32_to_cpu(eh->rc.reth.length));
  261. break;
  262. case OP(RC, RDMA_READ_RESPONSE_FIRST):
  263. case OP(RC, RDMA_READ_RESPONSE_LAST):
  264. case OP(RC, RDMA_READ_RESPONSE_ONLY):
  265. case OP(RC, ACKNOWLEDGE):
  266. trace_seq_printf(p, AETH_PRN, be32_to_cpu(eh->aeth) >> 24,
  267. parse_syndrome(be32_to_cpu(eh->aeth) >> 24),
  268. be32_to_cpu(eh->aeth) & IB_MSN_MASK);
  269. break;
  270. case OP(TID_RDMA, WRITE_REQ):
  271. trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
  272. TID_WRITE_REQ_PRN,
  273. le32_to_cpu(eh->tid_rdma.w_req.kdeth0),
  274. le32_to_cpu(eh->tid_rdma.w_req.kdeth1),
  275. ib_u64_get(&eh->tid_rdma.w_req.reth.vaddr),
  276. be32_to_cpu(eh->tid_rdma.w_req.reth.rkey),
  277. be32_to_cpu(eh->tid_rdma.w_req.reth.length),
  278. be32_to_cpu(eh->tid_rdma.w_req.verbs_qp));
  279. break;
  280. case OP(TID_RDMA, WRITE_RESP):
  281. trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
  282. TID_WRITE_RSP_PRN,
  283. le32_to_cpu(eh->tid_rdma.w_rsp.kdeth0),
  284. le32_to_cpu(eh->tid_rdma.w_rsp.kdeth1),
  285. be32_to_cpu(eh->tid_rdma.w_rsp.aeth) >> 24,
  286. parse_syndrome(/* aeth */
  287. be32_to_cpu(eh->tid_rdma.w_rsp.aeth)
  288. >> 24),
  289. (be32_to_cpu(eh->tid_rdma.w_rsp.aeth) &
  290. IB_MSN_MASK),
  291. be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_psn),
  292. be32_to_cpu(eh->tid_rdma.w_rsp.tid_flow_qp),
  293. be32_to_cpu(eh->tid_rdma.w_rsp.verbs_qp));
  294. break;
  295. case OP(TID_RDMA, WRITE_DATA_LAST):
  296. case OP(TID_RDMA, WRITE_DATA):
  297. trace_seq_printf(p, TID_RDMA_KDETH_DATA " " TID_WRITE_DATA_PRN,
  298. le32_to_cpu(eh->tid_rdma.w_data.kdeth0),
  299. KDETH_GET(eh->tid_rdma.w_data.kdeth0, KVER),
  300. KDETH_GET(eh->tid_rdma.w_data.kdeth0, SH),
  301. KDETH_GET(eh->tid_rdma.w_data.kdeth0, INTR),
  302. KDETH_GET(eh->tid_rdma.w_data.kdeth0, TIDCTRL),
  303. KDETH_GET(eh->tid_rdma.w_data.kdeth0, TID),
  304. KDETH_GET(eh->tid_rdma.w_data.kdeth0, OFFSET),
  305. le32_to_cpu(eh->tid_rdma.w_data.kdeth1),
  306. KDETH_GET(eh->tid_rdma.w_data.kdeth1, JKEY),
  307. be32_to_cpu(eh->tid_rdma.w_data.verbs_qp));
  308. break;
  309. case OP(TID_RDMA, READ_REQ):
  310. trace_seq_printf(p, TID_RDMA_KDETH " " RETH_PRN " "
  311. TID_READ_REQ_PRN,
  312. le32_to_cpu(eh->tid_rdma.r_req.kdeth0),
  313. le32_to_cpu(eh->tid_rdma.r_req.kdeth1),
  314. ib_u64_get(&eh->tid_rdma.r_req.reth.vaddr),
  315. be32_to_cpu(eh->tid_rdma.r_req.reth.rkey),
  316. be32_to_cpu(eh->tid_rdma.r_req.reth.length),
  317. be32_to_cpu(eh->tid_rdma.r_req.tid_flow_psn),
  318. be32_to_cpu(eh->tid_rdma.r_req.tid_flow_qp),
  319. be32_to_cpu(eh->tid_rdma.r_req.verbs_qp));
  320. break;
  321. case OP(TID_RDMA, READ_RESP):
  322. trace_seq_printf(p, TID_RDMA_KDETH_DATA " " AETH_PRN " "
  323. TID_READ_RSP_PRN,
  324. le32_to_cpu(eh->tid_rdma.r_rsp.kdeth0),
  325. KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, KVER),
  326. KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, SH),
  327. KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, INTR),
  328. KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TIDCTRL),
  329. KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, TID),
  330. KDETH_GET(eh->tid_rdma.r_rsp.kdeth0, OFFSET),
  331. le32_to_cpu(eh->tid_rdma.r_rsp.kdeth1),
  332. KDETH_GET(eh->tid_rdma.r_rsp.kdeth1, JKEY),
  333. be32_to_cpu(eh->tid_rdma.r_rsp.aeth) >> 24,
  334. parse_syndrome(/* aeth */
  335. be32_to_cpu(eh->tid_rdma.r_rsp.aeth)
  336. >> 24),
  337. (be32_to_cpu(eh->tid_rdma.r_rsp.aeth) &
  338. IB_MSN_MASK),
  339. be32_to_cpu(eh->tid_rdma.r_rsp.verbs_qp));
  340. break;
  341. case OP(TID_RDMA, ACK):
  342. trace_seq_printf(p, TID_RDMA_KDETH " " AETH_PRN " "
  343. TID_ACK_PRN,
  344. le32_to_cpu(eh->tid_rdma.ack.kdeth0),
  345. le32_to_cpu(eh->tid_rdma.ack.kdeth1),
  346. be32_to_cpu(eh->tid_rdma.ack.aeth) >> 24,
  347. parse_syndrome(/* aeth */
  348. be32_to_cpu(eh->tid_rdma.ack.aeth)
  349. >> 24),
  350. (be32_to_cpu(eh->tid_rdma.ack.aeth) &
  351. IB_MSN_MASK),
  352. be32_to_cpu(eh->tid_rdma.ack.tid_flow_psn),
  353. be32_to_cpu(eh->tid_rdma.ack.verbs_psn),
  354. be32_to_cpu(eh->tid_rdma.ack.tid_flow_qp),
  355. be32_to_cpu(eh->tid_rdma.ack.verbs_qp));
  356. break;
  357. case OP(TID_RDMA, RESYNC):
  358. trace_seq_printf(p, TID_RDMA_KDETH " " TID_RESYNC_PRN,
  359. le32_to_cpu(eh->tid_rdma.resync.kdeth0),
  360. le32_to_cpu(eh->tid_rdma.resync.kdeth1),
  361. be32_to_cpu(eh->tid_rdma.resync.verbs_qp));
  362. break;
  363. /* aeth + atomicacketh */
  364. case OP(RC, ATOMIC_ACKNOWLEDGE):
  365. trace_seq_printf(p, AETH_PRN " " ATOMICACKETH_PRN,
  366. be32_to_cpu(eh->at.aeth) >> 24,
  367. parse_syndrome(be32_to_cpu(eh->at.aeth) >> 24),
  368. be32_to_cpu(eh->at.aeth) & IB_MSN_MASK,
  369. ib_u64_get(&eh->at.atomic_ack_eth));
  370. break;
  371. /* atomiceth */
  372. case OP(RC, COMPARE_SWAP):
  373. case OP(RC, FETCH_ADD):
  374. trace_seq_printf(p, ATOMICETH_PRN,
  375. get_ib_ateth_vaddr(&eh->atomic_eth),
  376. eh->atomic_eth.rkey,
  377. get_ib_ateth_swap(&eh->atomic_eth),
  378. get_ib_ateth_compare(&eh->atomic_eth));
  379. break;
  380. /* deth */
  381. case OP(UD, SEND_ONLY):
  382. trace_seq_printf(p, DETH_ENTROPY_PRN,
  383. be32_to_cpu(eh->ud.deth[0]),
  384. be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK,
  385. be32_to_cpu(eh->ud.deth[1]) >>
  386. HFI1_IPOIB_ENTROPY_SHIFT);
  387. break;
  388. case OP(UD, SEND_ONLY_WITH_IMMEDIATE):
  389. trace_seq_printf(p, DETH_PRN,
  390. be32_to_cpu(eh->ud.deth[0]),
  391. be32_to_cpu(eh->ud.deth[1]) & RVT_QPN_MASK);
  392. break;
  393. /* ieth */
  394. case OP(RC, SEND_LAST_WITH_INVALIDATE):
  395. case OP(RC, SEND_ONLY_WITH_INVALIDATE):
  396. trace_seq_printf(p, IETH_PRN,
  397. be32_to_cpu(eh->ieth));
  398. break;
  399. }
  400. out:
  401. trace_seq_putc(p, 0);
  402. return ret;
  403. }
  404. const char *parse_sdma_flags(
  405. struct trace_seq *p,
  406. u64 desc0, u64 desc1)
  407. {
  408. const char *ret = trace_seq_buffer_ptr(p);
  409. char flags[5] = { 'x', 'x', 'x', 'x', 0 };
  410. flags[0] = (desc1 & SDMA_DESC1_INT_REQ_FLAG) ? 'I' : '-';
  411. flags[1] = (desc1 & SDMA_DESC1_HEAD_TO_HOST_FLAG) ? 'H' : '-';
  412. flags[2] = (desc0 & SDMA_DESC0_FIRST_DESC_FLAG) ? 'F' : '-';
  413. flags[3] = (desc0 & SDMA_DESC0_LAST_DESC_FLAG) ? 'L' : '-';
  414. trace_seq_printf(p, "%s", flags);
  415. if (desc0 & SDMA_DESC0_FIRST_DESC_FLAG)
  416. trace_seq_printf(p, " amode:%u aidx:%u alen:%u",
  417. (u8)((desc1 >> SDMA_DESC1_HEADER_MODE_SHIFT) &
  418. SDMA_DESC1_HEADER_MODE_MASK),
  419. (u8)((desc1 >> SDMA_DESC1_HEADER_INDEX_SHIFT) &
  420. SDMA_DESC1_HEADER_INDEX_MASK),
  421. (u8)((desc1 >> SDMA_DESC1_HEADER_DWS_SHIFT) &
  422. SDMA_DESC1_HEADER_DWS_MASK));
  423. return ret;
  424. }
  425. const char *print_u32_array(
  426. struct trace_seq *p,
  427. u32 *arr, int len)
  428. {
  429. int i;
  430. const char *ret = trace_seq_buffer_ptr(p);
  431. for (i = 0; i < len ; i++)
  432. trace_seq_printf(p, "%s%#x", i == 0 ? "" : " ", arr[i]);
  433. trace_seq_putc(p, 0);
  434. return ret;
  435. }
  436. u8 hfi1_trace_get_tid_ctrl(u32 ent)
  437. {
  438. return EXP_TID_GET(ent, CTRL);
  439. }
  440. u16 hfi1_trace_get_tid_len(u32 ent)
  441. {
  442. return EXP_TID_GET(ent, LEN);
  443. }
  444. u16 hfi1_trace_get_tid_idx(u32 ent)
  445. {
  446. return EXP_TID_GET(ent, IDX);
  447. }
  448. struct hfi1_ctxt_hist {
  449. atomic_t count;
  450. atomic_t data[255];
  451. };
  452. static struct hfi1_ctxt_hist hist = {
  453. .count = ATOMIC_INIT(0)
  454. };
  455. const char *hfi1_trace_print_rsm_hist(struct trace_seq *p, unsigned int ctxt)
  456. {
  457. int i, len = ARRAY_SIZE(hist.data);
  458. const char *ret = trace_seq_buffer_ptr(p);
  459. unsigned long packet_count = atomic_fetch_inc(&hist.count);
  460. trace_seq_printf(p, "packet[%lu]", packet_count);
  461. for (i = 0; i < len; ++i) {
  462. unsigned long val;
  463. atomic_t *count = &hist.data[i];
  464. if (ctxt == i)
  465. val = atomic_fetch_inc(count);
  466. else
  467. val = atomic_read(count);
  468. if (val)
  469. trace_seq_printf(p, "(%d:%lu)", i, val);
  470. }
  471. trace_seq_putc(p, 0);
  472. return ret;
  473. }
  474. __hfi1_trace_fn(AFFINITY);
  475. __hfi1_trace_fn(PKT);
  476. __hfi1_trace_fn(PROC);
  477. __hfi1_trace_fn(SDMA);
  478. __hfi1_trace_fn(LINKVERB);
  479. __hfi1_trace_fn(DEBUG);
  480. __hfi1_trace_fn(SNOOP);
  481. __hfi1_trace_fn(CNTR);
  482. __hfi1_trace_fn(PIO);
  483. __hfi1_trace_fn(DC8051);
  484. __hfi1_trace_fn(FIRMWARE);
  485. __hfi1_trace_fn(RCVCTRL);
  486. __hfi1_trace_fn(TID);
  487. __hfi1_trace_fn(MMU);
  488. __hfi1_trace_fn(IOCTL);