zfs/include/sys/trace_arc.h

   1 /*
   2  * CDDL HEADER START
   3  *
   4  * The contents of this file are subject to the terms of the
   5  * Common Development and Distribution License (the "License").
   6  * You may not use this file except in compliance with the License.
   7  *
   8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9  * or http://www.opensolaris.org/os/licensing.
  10  * See the License for the specific language governing permissions
  11  * and limitations under the License.
  12  *
  13  * When distributing Covered Code, include this CDDL HEADER in each
  14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15  * If applicable, add the following below this CDDL HEADER, with the
  16  * fields enclosed by brackets "[]" replaced with your own identifying
  17  * information: Portions Copyright [yyyy] [name of copyright owner]
  18  *
  19  * CDDL HEADER END
  20  */
  21
  22 #include <sys/list.h>
  23
  24 #if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)
  25
  26 #undef TRACE_SYSTEM
  27 #define TRACE_SYSTEM zfs
  28
  29 #undef TRACE_SYSTEM_VAR
  30 #define TRACE_SYSTEM_VAR zfs_arc
  31
  32 #if !defined(_TRACE_ARC_H) || defined(TRACE_HEADER_MULTI_READ)
  33 #define _TRACE_ARC_H
  34
  35 #include <linux/tracepoint.h>
  36 #include <sys/types.h>
  37
  38 /*
  39  * Generic support for one argument tracepoints of the form:
  40  *
  41  * DTRACE_PROBE1(...,
  42  *     arc_buf_hdr_t *, ...);
  43  */
  44
  45 DECLARE_EVENT_CLASS(zfs_arc_buf_hdr_class,
  46         TP_PROTO(arc_buf_hdr_t *ab),
  47         TP_ARGS(ab),
  48         TP_STRUCT__entry(
  49             __array(uint64_t,           hdr_dva_word, 2)
  50             __field(uint64_t,           hdr_birth)
  51             __field(uint32_t,           hdr_flags)
  52             __field(uint32_t,           hdr_datacnt)
  53             __field(arc_buf_contents_t, hdr_type)
  54             __field(uint64_t,           hdr_size)
  55             __field(uint64_t,           hdr_spa)
  56             __field(arc_state_type_t,   hdr_state_type)
  57             __field(clock_t,            hdr_access)
  58             __field(uint32_t,           hdr_mru_hits)
  59             __field(uint32_t,           hdr_mru_ghost_hits)
  60             __field(uint32_t,           hdr_mfu_hits)
  61             __field(uint32_t,           hdr_mfu_ghost_hits)
  62             __field(uint32_t,           hdr_l2_hits)
  63             __field(int64_t,            hdr_refcount)
  64         ),
  65         TP_fast_assign(
  66             __entry->hdr_dva_word[0]    = ab->b_dva.dva_word[0];
  67             __entry->hdr_dva_word[1]    = ab->b_dva.dva_word[1];
  68             __entry->hdr_birth          = ab->b_birth;
  69             __entry->hdr_flags          = ab->b_flags;
  70             __entry->hdr_datacnt        = ab->b_l1hdr.b_datacnt;
  71             __entry->hdr_size           = ab->b_size;
  72             __entry->hdr_spa            = ab->b_spa;
  73             __entry->hdr_state_type     = ab->b_l1hdr.b_state->arcs_state;
  74             __entry->hdr_access         = ab->b_l1hdr.b_arc_access;
  75             __entry->hdr_mru_hits       = ab->b_l1hdr.b_mru_hits;
  76             __entry->hdr_mru_ghost_hits = ab->b_l1hdr.b_mru_ghost_hits;
  77             __entry->hdr_mfu_hits       = ab->b_l1hdr.b_mfu_hits;
  78             __entry->hdr_mfu_ghost_hits = ab->b_l1hdr.b_mfu_ghost_hits;
  79             __entry->hdr_l2_hits        = ab->b_l1hdr.b_l2_hits;
  80             __entry->hdr_refcount       = ab->b_l1hdr.b_refcnt.rc_count;
  81         ),
  82         TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
  83             "flags 0x%x datacnt %u type %u size %llu spa %llu "
  84             "state_type %u access %lu mru_hits %u mru_ghost_hits %u "
  85             "mfu_hits %u mfu_ghost_hits %u l2_hits %u refcount %lli }",
  86             __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
  87             __entry->hdr_birth, __entry->hdr_flags,
  88             __entry->hdr_datacnt, __entry->hdr_type, __entry->hdr_size,
  89             __entry->hdr_spa, __entry->hdr_state_type,
  90             __entry->hdr_access, __entry->hdr_mru_hits,
  91             __entry->hdr_mru_ghost_hits, __entry->hdr_mfu_hits,
  92             __entry->hdr_mfu_ghost_hits, __entry->hdr_l2_hits,
  93             __entry->hdr_refcount)
  94 );
  95
  96 #define DEFINE_ARC_BUF_HDR_EVENT(name) \
  97 DEFINE_EVENT(zfs_arc_buf_hdr_class, name, \
  98         TP_PROTO(arc_buf_hdr_t *ab), \
  99         TP_ARGS(ab))
 100 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__hit);
 101 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__evict);
 102 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__delete);
 103 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mru);
 104 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mfu);
 105 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__hit);
 106 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__miss);
 107
 108 /*
 109  * Generic support for two argument tracepoints of the form:
 110  *
 111  * DTRACE_PROBE2(...,
 112  *     vdev_t *, ...,
 113  *     zio_t *, ...);
 114  */
 115
 116 #define ZIO_TP_STRUCT_ENTRY                                             \
 117                 __field(zio_type_t,             zio_type)               \
 118                 __field(int,                    zio_cmd)                \
 119                 __field(zio_priority_t,         zio_priority)           \
 120                 __field(uint64_t,               zio_size)               \
 121                 __field(uint64_t,               zio_orig_size)          \
 122                 __field(uint64_t,               zio_offset)             \
 123                 __field(hrtime_t,               zio_timestamp)          \
 124                 __field(hrtime_t,               zio_delta)              \
 125                 __field(uint64_t,               zio_delay)              \
 126                 __field(enum zio_flag,          zio_flags)              \
 127                 __field(enum zio_stage,         zio_stage)              \
 128                 __field(enum zio_stage,         zio_pipeline)           \
 129                 __field(enum zio_flag,          zio_orig_flags)         \
 130                 __field(enum zio_stage,         zio_orig_stage)         \
 131                 __field(enum zio_stage,         zio_orig_pipeline)      \
 132                 __field(uint8_t,                zio_reexecute)          \
 133                 __field(uint64_t,               zio_txg)                \
 134                 __field(int,                    zio_error)              \
 135                 __field(uint64_t,               zio_ena)                \
 136                                                                         \
 137                 __field(enum zio_checksum,      zp_checksum)            \
 138                 __field(enum zio_compress,      zp_compress)            \
 139                 __field(dmu_object_type_t,      zp_type)                \
 140                 __field(uint8_t,                zp_level)               \
 141                 __field(uint8_t,                zp_copies)              \
 142                 __field(boolean_t,              zp_dedup)               \
 143                 __field(boolean_t,              zp_dedup_verify)        \
 144                 __field(boolean_t,              zp_nopwrite)
 145
 146 #define ZIO_TP_FAST_ASSIGN                                                  \
 147                 __entry->zio_type               = zio->io_type;             \
 148                 __entry->zio_cmd                = zio->io_cmd;              \
 149                 __entry->zio_priority           = zio->io_priority;         \
 150                 __entry->zio_size               = zio->io_size;             \
 151                 __entry->zio_orig_size          = zio->io_orig_size;        \
 152                 __entry->zio_offset             = zio->io_offset;           \
 153                 __entry->zio_timestamp          = zio->io_timestamp;        \
 154                 __entry->zio_delta              = zio->io_delta;            \
 155                 __entry->zio_delay              = zio->io_delay;            \
 156                 __entry->zio_flags              = zio->io_flags;            \
 157                 __entry->zio_stage              = zio->io_stage;            \
 158                 __entry->zio_pipeline           = zio->io_pipeline;         \
 159                 __entry->zio_orig_flags         = zio->io_orig_flags;       \
 160                 __entry->zio_orig_stage         = zio->io_orig_stage;       \
 161                 __entry->zio_orig_pipeline      = zio->io_orig_pipeline;    \
 162                 __entry->zio_reexecute          = zio->io_reexecute;        \
 163                 __entry->zio_txg                = zio->io_txg;              \
 164                 __entry->zio_error              = zio->io_error;            \
 165                 __entry->zio_ena                = zio->io_ena;              \
 166                                                                             \
 167                 __entry->zp_checksum            = zio->io_prop.zp_checksum; \
 168                 __entry->zp_compress            = zio->io_prop.zp_compress; \
 169                 __entry->zp_type                = zio->io_prop.zp_type;     \
 170                 __entry->zp_level               = zio->io_prop.zp_level;    \
 171                 __entry->zp_copies              = zio->io_prop.zp_copies;   \
 172                 __entry->zp_dedup               = zio->io_prop.zp_dedup;    \
 173                 __entry->zp_nopwrite            = zio->io_prop.zp_nopwrite; \
 174                 __entry->zp_dedup_verify        = zio->io_prop.zp_dedup_verify;
 175
 176 #define ZIO_TP_PRINTK_FMT                                               \
 177         "zio { type %u cmd %i prio %u size %llu orig_size %llu "        \
 178         "offset %llu timestamp %llu delta %llu delay %llu "             \
 179         "flags 0x%x stage 0x%x pipeline 0x%x orig_flags 0x%x "          \
 180         "orig_stage 0x%x orig_pipeline 0x%x reexecute %u "              \
 181         "txg %llu error %d ena %llu prop { checksum %u compress %u "    \
 182         "type %u level %u copies %u dedup %u dedup_verify %u nopwrite %u } }"
 183
 184 #define ZIO_TP_PRINTK_ARGS                                              \
 185         __entry->zio_type, __entry->zio_cmd, __entry->zio_priority,     \
 186         __entry->zio_size, __entry->zio_orig_size, __entry->zio_offset, \
 187         __entry->zio_timestamp, __entry->zio_delta, __entry->zio_delay, \
 188         __entry->zio_flags, __entry->zio_stage, __entry->zio_pipeline,  \
 189         __entry->zio_orig_flags, __entry->zio_orig_stage,               \
 190         __entry->zio_orig_pipeline, __entry->zio_reexecute,             \
 191         __entry->zio_txg, __entry->zio_error, __entry->zio_ena,         \
 192         __entry->zp_checksum, __entry->zp_compress, __entry->zp_type,   \
 193         __entry->zp_level, __entry->zp_copies, __entry->zp_dedup,       \
 194         __entry->zp_dedup_verify, __entry->zp_nopwrite
 195
 196 DECLARE_EVENT_CLASS(zfs_l2arc_rw_class,
 197         TP_PROTO(vdev_t *vd, zio_t *zio),
 198         TP_ARGS(vd, zio),
 199         TP_STRUCT__entry(
 200             __field(uint64_t,   vdev_id)
 201             __field(uint64_t,   vdev_guid)
 202             __field(uint64_t,   vdev_state)
 203             ZIO_TP_STRUCT_ENTRY
 204         ),
 205         TP_fast_assign(
 206             __entry->vdev_id    = vd->vdev_id;
 207             __entry->vdev_guid  = vd->vdev_guid;
 208             __entry->vdev_state = vd->vdev_state;
 209             ZIO_TP_FAST_ASSIGN
 210         ),
 211         TP_printk("vdev { id %llu guid %llu state %llu } "
 212             ZIO_TP_PRINTK_FMT, __entry->vdev_id, __entry->vdev_guid,
 213             __entry->vdev_state, ZIO_TP_PRINTK_ARGS)
 214 );
 215
 216 #define DEFINE_L2ARC_RW_EVENT(name) \
 217 DEFINE_EVENT(zfs_l2arc_rw_class, name, \
 218         TP_PROTO(vdev_t *vd, zio_t *zio), \
 219         TP_ARGS(vd, zio))
 220 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__read);
 221 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__write);
 222
 223
 224 /*
 225  * Generic support for two argument tracepoints of the form:
 226  *
 227  * DTRACE_PROBE2(...,
 228  *     zio_t *, ...,
 229  *     l2arc_write_callback_t *, ...);
 230  */
 231
 232 DECLARE_EVENT_CLASS(zfs_l2arc_iodone_class,
 233         TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb),
 234         TP_ARGS(zio, cb),
 235         TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY),
 236         TP_fast_assign(ZIO_TP_FAST_ASSIGN),
 237         TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS)
 238 );
 239
 240 #define DEFINE_L2ARC_IODONE_EVENT(name) \
 241 DEFINE_EVENT(zfs_l2arc_iodone_class, name, \
 242         TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), \
 243         TP_ARGS(zio, cb))
 244 DEFINE_L2ARC_IODONE_EVENT(zfs_l2arc__iodone);
 245
 246
 247 /*
 248  * Generic support for four argument tracepoints of the form:
 249  *
 250  * DTRACE_PROBE4(...,
 251  *     arc_buf_hdr_t *, ...,
 252  *     const blkptr_t *,
 253  *     uint64_t,
 254  *     const zbookmark_phys_t *);
 255  */
 256
 257 DECLARE_EVENT_CLASS(zfs_arc_miss_class,
 258         TP_PROTO(arc_buf_hdr_t *hdr,
 259             const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb),
 260         TP_ARGS(hdr, bp, size, zb),
 261         TP_STRUCT__entry(
 262             __array(uint64_t,           hdr_dva_word, 2)
 263             __field(uint64_t,           hdr_birth)
 264             __field(uint32_t,           hdr_flags)
 265             __field(uint32_t,           hdr_datacnt)
 266             __field(arc_buf_contents_t, hdr_type)
 267             __field(uint64_t,           hdr_size)
 268             __field(uint64_t,           hdr_spa)
 269             __field(arc_state_type_t,   hdr_state_type)
 270             __field(clock_t,            hdr_access)
 271             __field(uint32_t,           hdr_mru_hits)
 272             __field(uint32_t,           hdr_mru_ghost_hits)
 273             __field(uint32_t,           hdr_mfu_hits)
 274             __field(uint32_t,           hdr_mfu_ghost_hits)
 275             __field(uint32_t,           hdr_l2_hits)
 276             __field(int64_t,            hdr_refcount)
 277
 278             __array(uint64_t,           bp_dva0, 2)
 279             __array(uint64_t,           bp_dva1, 2)
 280             __array(uint64_t,           bp_dva2, 2)
 281             __array(uint64_t,           bp_cksum, 4)
 282
 283             __field(uint64_t,           bp_lsize)
 284
 285             __field(uint64_t,           zb_objset)
 286             __field(uint64_t,           zb_object)
 287             __field(int64_t,            zb_level)
 288             __field(uint64_t,           zb_blkid)
 289         ),
 290         TP_fast_assign(
 291             __entry->hdr_dva_word[0]    = hdr->b_dva.dva_word[0];
 292             __entry->hdr_dva_word[1]    = hdr->b_dva.dva_word[1];
 293             __entry->hdr_birth          = hdr->b_birth;
 294             __entry->hdr_flags          = hdr->b_flags;
 295             __entry->hdr_datacnt        = hdr->b_l1hdr.b_datacnt;
 296             __entry->hdr_size           = hdr->b_size;
 297             __entry->hdr_spa            = hdr->b_spa;
 298             __entry->hdr_state_type     = hdr->b_l1hdr.b_state->arcs_state;
 299             __entry->hdr_access         = hdr->b_l1hdr.b_arc_access;
 300             __entry->hdr_mru_hits       = hdr->b_l1hdr.b_mru_hits;
 301             __entry->hdr_mru_ghost_hits = hdr->b_l1hdr.b_mru_ghost_hits;
 302             __entry->hdr_mfu_hits       = hdr->b_l1hdr.b_mfu_hits;
 303             __entry->hdr_mfu_ghost_hits = hdr->b_l1hdr.b_mfu_ghost_hits;
 304             __entry->hdr_l2_hits        = hdr->b_l1hdr.b_l2_hits;
 305             __entry->hdr_refcount       = hdr->b_l1hdr.b_refcnt.rc_count;
 306
 307             __entry->bp_dva0[0]         = bp->blk_dva[0].dva_word[0];
 308             __entry->bp_dva0[1]         = bp->blk_dva[0].dva_word[1];
 309             __entry->bp_dva1[0]         = bp->blk_dva[1].dva_word[0];
 310             __entry->bp_dva1[1]         = bp->blk_dva[1].dva_word[1];
 311             __entry->bp_dva2[0]         = bp->blk_dva[2].dva_word[0];
 312             __entry->bp_dva2[1]         = bp->blk_dva[2].dva_word[1];
 313             __entry->bp_cksum[0]        = bp->blk_cksum.zc_word[0];
 314             __entry->bp_cksum[1]        = bp->blk_cksum.zc_word[1];
 315             __entry->bp_cksum[2]        = bp->blk_cksum.zc_word[2];
 316             __entry->bp_cksum[3]        = bp->blk_cksum.zc_word[3];
 317
 318             __entry->bp_lsize           = size;
 319
 320             __entry->zb_objset          = zb->zb_objset;
 321             __entry->zb_object          = zb->zb_object;
 322             __entry->zb_level           = zb->zb_level;
 323             __entry->zb_blkid           = zb->zb_blkid;
 324         ),
 325         TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
 326             "flags 0x%x datacnt %u size %llu spa %llu state_type %u "
 327             "access %lu mru_hits %u mru_ghost_hits %u mfu_hits %u "
 328             "mfu_ghost_hits %u l2_hits %u refcount %lli } "
 329             "bp { dva0 0x%llx:0x%llx dva1 0x%llx:0x%llx dva2 "
 330             "0x%llx:0x%llx cksum 0x%llx:0x%llx:0x%llx:0x%llx "
 331             "lsize %llu } zb { objset %llu object %llu level %lli "
 332             "blkid %llu }",
 333             __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
 334             __entry->hdr_birth, __entry->hdr_flags,
 335             __entry->hdr_datacnt, __entry->hdr_size,
 336             __entry->hdr_spa, __entry->hdr_state_type, __entry->hdr_access,
 337             __entry->hdr_mru_hits, __entry->hdr_mru_ghost_hits,
 338             __entry->hdr_mfu_hits, __entry->hdr_mfu_ghost_hits,
 339             __entry->hdr_l2_hits, __entry->hdr_refcount,
 340             __entry->bp_dva0[0], __entry->bp_dva0[1],
 341             __entry->bp_dva1[0], __entry->bp_dva1[1],
 342             __entry->bp_dva2[0], __entry->bp_dva2[1],
 343             __entry->bp_cksum[0], __entry->bp_cksum[1],
 344             __entry->bp_cksum[2], __entry->bp_cksum[3],
 345             __entry->bp_lsize, __entry->zb_objset, __entry->zb_object,
 346             __entry->zb_level, __entry->zb_blkid)
 347 );
 348
 349 #define DEFINE_ARC_MISS_EVENT(name) \
 350 DEFINE_EVENT(zfs_arc_miss_class, name, \
 351         TP_PROTO(arc_buf_hdr_t *hdr, \
 352             const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), \
 353         TP_ARGS(hdr, bp, size, zb))
 354 DEFINE_ARC_MISS_EVENT(zfs_arc__miss);
 355
 356 /*
 357  * Generic support for four argument tracepoints of the form:
 358  *
 359  * DTRACE_PROBE4(...,
 360  *     l2arc_dev_t *, ...,
 361  *     list_t *, ...,
 362  *     uint64_t, ...,
 363  *     boolean_t, ...);
 364  */
 365
 366 DECLARE_EVENT_CLASS(zfs_l2arc_evict_class,
 367         TP_PROTO(l2arc_dev_t *dev,
 368             list_t *buflist, uint64_t taddr, boolean_t all),
 369         TP_ARGS(dev, buflist, taddr, all),
 370         TP_STRUCT__entry(
 371             __field(uint64_t,           vdev_id)
 372             __field(uint64_t,           vdev_guid)
 373             __field(uint64_t,           vdev_state)
 374
 375             __field(uint64_t,           l2ad_hand)
 376             __field(uint64_t,           l2ad_start)
 377             __field(uint64_t,           l2ad_end)
 378             __field(boolean_t,          l2ad_first)
 379             __field(boolean_t,          l2ad_writing)
 380
 381             __field(uint64_t,           taddr)
 382             __field(boolean_t,          all)
 383         ),
 384         TP_fast_assign(
 385             __entry->vdev_id            = dev->l2ad_vdev->vdev_id;
 386             __entry->vdev_guid          = dev->l2ad_vdev->vdev_guid;
 387             __entry->vdev_state         = dev->l2ad_vdev->vdev_state;
 388
 389             __entry->l2ad_hand          = dev->l2ad_hand;
 390             __entry->l2ad_start         = dev->l2ad_start;
 391             __entry->l2ad_end           = dev->l2ad_end;
 392             __entry->l2ad_first         = dev->l2ad_first;
 393             __entry->l2ad_writing       = dev->l2ad_writing;
 394
 395             __entry->taddr              = taddr;
 396             __entry->all                = all;
 397         ),
 398         TP_printk("l2ad { vdev { id %llu guid %llu state %llu } "
 399             "hand %llu start %llu end %llu "
 400             "first %d writing %d } taddr %llu all %d",
 401             __entry->vdev_id, __entry->vdev_guid, __entry->vdev_state,
 402             __entry->l2ad_hand, __entry->l2ad_start,
 403             __entry->l2ad_end, __entry->l2ad_first, __entry->l2ad_writing,
 404             __entry->taddr, __entry->all)
 405 );
 406
 407 #define DEFINE_L2ARC_EVICT_EVENT(name) \
 408 DEFINE_EVENT(zfs_l2arc_evict_class, name, \
 409         TP_PROTO(l2arc_dev_t *dev, \
 410             list_t *buflist, uint64_t taddr, boolean_t all), \
 411         TP_ARGS(dev, buflist, taddr, all))
 412 DEFINE_L2ARC_EVICT_EVENT(zfs_l2arc__evict);
 413
 414 #endif /* _TRACE_ARC_H */
 415
 416 #undef TRACE_INCLUDE_PATH
 417 #undef TRACE_INCLUDE_FILE
 418 #define TRACE_INCLUDE_PATH sys
 419 #define TRACE_INCLUDE_FILE trace_arc
 420 #include <trace/define_trace.h>
 421
 422 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */