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 #include <sys/trace_common.h> /* For ZIO macros */
  38
  39 /*
  40  * Generic support for one argument tracepoints of the form:
  41  *
  42  * DTRACE_PROBE1(...,
  43  *     arc_buf_hdr_t *, ...);
  44  */
  45 /* BEGIN CSTYLED */
  46 DECLARE_EVENT_CLASS(zfs_arc_buf_hdr_class,
  47         TP_PROTO(arc_buf_hdr_t *ab),
  48         TP_ARGS(ab),
  49         TP_STRUCT__entry(
  50             __array(uint64_t,           hdr_dva_word, 2)
  51             __field(uint64_t,           hdr_birth)
  52             __field(uint32_t,           hdr_flags)
  53             __field(uint32_t,           hdr_bufcnt)
  54             __field(arc_buf_contents_t, hdr_type)
  55             __field(uint16_t,           hdr_psize)
  56             __field(uint16_t,           hdr_lsize)
  57             __field(uint64_t,           hdr_spa)
  58             __field(arc_state_type_t,   hdr_state_type)
  59             __field(clock_t,            hdr_access)
  60             __field(uint32_t,           hdr_mru_hits)
  61             __field(uint32_t,           hdr_mru_ghost_hits)
  62             __field(uint32_t,           hdr_mfu_hits)
  63             __field(uint32_t,           hdr_mfu_ghost_hits)
  64             __field(uint32_t,           hdr_l2_hits)
  65             __field(int64_t,            hdr_refcount)
  66         ),
  67         TP_fast_assign(
  68             __entry->hdr_dva_word[0]    = ab->b_dva.dva_word[0];
  69             __entry->hdr_dva_word[1]    = ab->b_dva.dva_word[1];
  70             __entry->hdr_birth          = ab->b_birth;
  71             __entry->hdr_flags          = ab->b_flags;
  72             __entry->hdr_bufcnt = ab->b_l1hdr.b_bufcnt;
  73             __entry->hdr_psize          = ab->b_psize;
  74             __entry->hdr_lsize          = ab->b_lsize;
  75             __entry->hdr_spa            = ab->b_spa;
  76             __entry->hdr_state_type     = ab->b_l1hdr.b_state->arcs_state;
  77             __entry->hdr_access         = ab->b_l1hdr.b_arc_access;
  78             __entry->hdr_mru_hits       = ab->b_l1hdr.b_mru_hits;
  79             __entry->hdr_mru_ghost_hits = ab->b_l1hdr.b_mru_ghost_hits;
  80             __entry->hdr_mfu_hits       = ab->b_l1hdr.b_mfu_hits;
  81             __entry->hdr_mfu_ghost_hits = ab->b_l1hdr.b_mfu_ghost_hits;
  82             __entry->hdr_l2_hits        = ab->b_l1hdr.b_l2_hits;
  83             __entry->hdr_refcount       = ab->b_l1hdr.b_refcnt.rc_count;
  84         ),
  85         TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
  86             "flags 0x%x bufcnt %u type %u psize %u lsize %u spa %llu "
  87             "state_type %u access %lu mru_hits %u mru_ghost_hits %u "
  88             "mfu_hits %u mfu_ghost_hits %u l2_hits %u refcount %lli }",
  89             __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
  90             __entry->hdr_birth, __entry->hdr_flags,
  91             __entry->hdr_bufcnt, __entry->hdr_type, __entry->hdr_psize,
  92             __entry->hdr_lsize, __entry->hdr_spa, __entry->hdr_state_type,
  93             __entry->hdr_access, __entry->hdr_mru_hits,
  94             __entry->hdr_mru_ghost_hits, __entry->hdr_mfu_hits,
  95             __entry->hdr_mfu_ghost_hits, __entry->hdr_l2_hits,
  96             __entry->hdr_refcount)
  97 );
  98 /* END CSTYLED */
  99
 100 #define DEFINE_ARC_BUF_HDR_EVENT(name) \
 101 DEFINE_EVENT(zfs_arc_buf_hdr_class, name, \
 102         TP_PROTO(arc_buf_hdr_t *ab), \
 103         TP_ARGS(ab))
 104 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__hit);
 105 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__evict);
 106 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__delete);
 107 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mru);
 108 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mfu);
 109 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__sync__wait__for__async);
 110 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__demand__hit__predictive__prefetch);
 111 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__hit);
 112 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__miss);
 113
 114 /*
 115  * Generic support for two argument tracepoints of the form:
 116  *
 117  * DTRACE_PROBE2(...,
 118  *     vdev_t *, ...,
 119  *     zio_t *, ...);
 120  */
 121 /* BEGIN CSTYLED */
 122 DECLARE_EVENT_CLASS(zfs_l2arc_rw_class,
 123         TP_PROTO(vdev_t *vd, zio_t *zio),
 124         TP_ARGS(vd, zio),
 125         TP_STRUCT__entry(
 126             __field(uint64_t,   vdev_id)
 127             __field(uint64_t,   vdev_guid)
 128             __field(uint64_t,   vdev_state)
 129             ZIO_TP_STRUCT_ENTRY
 130         ),
 131         TP_fast_assign(
 132             __entry->vdev_id    = vd->vdev_id;
 133             __entry->vdev_guid  = vd->vdev_guid;
 134             __entry->vdev_state = vd->vdev_state;
 135             ZIO_TP_FAST_ASSIGN
 136         ),
 137         TP_printk("vdev { id %llu guid %llu state %llu } "
 138             ZIO_TP_PRINTK_FMT, __entry->vdev_id, __entry->vdev_guid,
 139             __entry->vdev_state, ZIO_TP_PRINTK_ARGS)
 140 );
 141 /* END CSTYLED */
 142
 143 #define DEFINE_L2ARC_RW_EVENT(name) \
 144 DEFINE_EVENT(zfs_l2arc_rw_class, name, \
 145         TP_PROTO(vdev_t *vd, zio_t *zio), \
 146         TP_ARGS(vd, zio))
 147 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__read);
 148 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__write);
 149
 150
 151 /*
 152  * Generic support for two argument tracepoints of the form:
 153  *
 154  * DTRACE_PROBE2(...,
 155  *     zio_t *, ...,
 156  *     l2arc_write_callback_t *, ...);
 157  */
 158 /* BEGIN CSTYLED */
 159 DECLARE_EVENT_CLASS(zfs_l2arc_iodone_class,
 160         TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb),
 161         TP_ARGS(zio, cb),
 162         TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY),
 163         TP_fast_assign(ZIO_TP_FAST_ASSIGN),
 164         TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS)
 165 );
 166 /* END CSTYLED */
 167
 168 #define DEFINE_L2ARC_IODONE_EVENT(name) \
 169 DEFINE_EVENT(zfs_l2arc_iodone_class, name, \
 170         TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), \
 171         TP_ARGS(zio, cb))
 172 DEFINE_L2ARC_IODONE_EVENT(zfs_l2arc__iodone);
 173
 174
 175 /*
 176  * Generic support for four argument tracepoints of the form:
 177  *
 178  * DTRACE_PROBE4(...,
 179  *     arc_buf_hdr_t *, ...,
 180  *     const blkptr_t *,
 181  *     uint64_t,
 182  *     const zbookmark_phys_t *);
 183  */
 184 /* BEGIN CSTYLED */
 185 DECLARE_EVENT_CLASS(zfs_arc_miss_class,
 186         TP_PROTO(arc_buf_hdr_t *hdr,
 187             const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb),
 188         TP_ARGS(hdr, bp, size, zb),
 189         TP_STRUCT__entry(
 190             __array(uint64_t,           hdr_dva_word, 2)
 191             __field(uint64_t,           hdr_birth)
 192             __field(uint32_t,           hdr_flags)
 193             __field(uint32_t,           hdr_bufcnt)
 194             __field(arc_buf_contents_t, hdr_type)
 195             __field(uint16_t,           hdr_psize)
 196             __field(uint16_t,           hdr_lsize)
 197             __field(uint64_t,           hdr_spa)
 198             __field(arc_state_type_t,   hdr_state_type)
 199             __field(clock_t,            hdr_access)
 200             __field(uint32_t,           hdr_mru_hits)
 201             __field(uint32_t,           hdr_mru_ghost_hits)
 202             __field(uint32_t,           hdr_mfu_hits)
 203             __field(uint32_t,           hdr_mfu_ghost_hits)
 204             __field(uint32_t,           hdr_l2_hits)
 205             __field(int64_t,            hdr_refcount)
 206
 207             __array(uint64_t,           bp_dva0, 2)
 208             __array(uint64_t,           bp_dva1, 2)
 209             __array(uint64_t,           bp_dva2, 2)
 210             __array(uint64_t,           bp_cksum, 4)
 211
 212             __field(uint64_t,           bp_lsize)
 213
 214             __field(uint64_t,           zb_objset)
 215             __field(uint64_t,           zb_object)
 216             __field(int64_t,            zb_level)
 217             __field(uint64_t,           zb_blkid)
 218         ),
 219         TP_fast_assign(
 220             __entry->hdr_dva_word[0]    = hdr->b_dva.dva_word[0];
 221             __entry->hdr_dva_word[1]    = hdr->b_dva.dva_word[1];
 222             __entry->hdr_birth          = hdr->b_birth;
 223             __entry->hdr_flags          = hdr->b_flags;
 224             __entry->hdr_bufcnt         = hdr->b_l1hdr.b_bufcnt;
 225             __entry->hdr_psize          = hdr->b_psize;
 226             __entry->hdr_lsize          = hdr->b_lsize;
 227             __entry->hdr_spa            = hdr->b_spa;
 228             __entry->hdr_state_type     = hdr->b_l1hdr.b_state->arcs_state;
 229             __entry->hdr_access         = hdr->b_l1hdr.b_arc_access;
 230             __entry->hdr_mru_hits       = hdr->b_l1hdr.b_mru_hits;
 231             __entry->hdr_mru_ghost_hits = hdr->b_l1hdr.b_mru_ghost_hits;
 232             __entry->hdr_mfu_hits       = hdr->b_l1hdr.b_mfu_hits;
 233             __entry->hdr_mfu_ghost_hits = hdr->b_l1hdr.b_mfu_ghost_hits;
 234             __entry->hdr_l2_hits        = hdr->b_l1hdr.b_l2_hits;
 235             __entry->hdr_refcount       = hdr->b_l1hdr.b_refcnt.rc_count;
 236
 237             __entry->bp_dva0[0]         = bp->blk_dva[0].dva_word[0];
 238             __entry->bp_dva0[1]         = bp->blk_dva[0].dva_word[1];
 239             __entry->bp_dva1[0]         = bp->blk_dva[1].dva_word[0];
 240             __entry->bp_dva1[1]         = bp->blk_dva[1].dva_word[1];
 241             __entry->bp_dva2[0]         = bp->blk_dva[2].dva_word[0];
 242             __entry->bp_dva2[1]         = bp->blk_dva[2].dva_word[1];
 243             __entry->bp_cksum[0]        = bp->blk_cksum.zc_word[0];
 244             __entry->bp_cksum[1]        = bp->blk_cksum.zc_word[1];
 245             __entry->bp_cksum[2]        = bp->blk_cksum.zc_word[2];
 246             __entry->bp_cksum[3]        = bp->blk_cksum.zc_word[3];
 247
 248             __entry->bp_lsize           = size;
 249
 250             __entry->zb_objset          = zb->zb_objset;
 251             __entry->zb_object          = zb->zb_object;
 252             __entry->zb_level           = zb->zb_level;
 253             __entry->zb_blkid           = zb->zb_blkid;
 254         ),
 255         TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
 256             "flags 0x%x bufcnt %u psize %u lsize %u spa %llu state_type %u "
 257             "access %lu mru_hits %u mru_ghost_hits %u mfu_hits %u "
 258             "mfu_ghost_hits %u l2_hits %u refcount %lli } "
 259             "bp { dva0 0x%llx:0x%llx dva1 0x%llx:0x%llx dva2 "
 260             "0x%llx:0x%llx cksum 0x%llx:0x%llx:0x%llx:0x%llx "
 261             "lsize %llu } zb { objset %llu object %llu level %lli "
 262             "blkid %llu }",
 263             __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
 264             __entry->hdr_birth, __entry->hdr_flags,
 265             __entry->hdr_bufcnt, __entry->hdr_psize, __entry->hdr_lsize,
 266             __entry->hdr_spa, __entry->hdr_state_type, __entry->hdr_access,
 267             __entry->hdr_mru_hits, __entry->hdr_mru_ghost_hits,
 268             __entry->hdr_mfu_hits, __entry->hdr_mfu_ghost_hits,
 269             __entry->hdr_l2_hits, __entry->hdr_refcount,
 270             __entry->bp_dva0[0], __entry->bp_dva0[1],
 271             __entry->bp_dva1[0], __entry->bp_dva1[1],
 272             __entry->bp_dva2[0], __entry->bp_dva2[1],
 273             __entry->bp_cksum[0], __entry->bp_cksum[1],
 274             __entry->bp_cksum[2], __entry->bp_cksum[3],
 275             __entry->bp_lsize, __entry->zb_objset, __entry->zb_object,
 276             __entry->zb_level, __entry->zb_blkid)
 277 );
 278 /* END CSTYLED */
 279
 280 #define DEFINE_ARC_MISS_EVENT(name) \
 281 DEFINE_EVENT(zfs_arc_miss_class, name, \
 282         TP_PROTO(arc_buf_hdr_t *hdr, \
 283             const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), \
 284         TP_ARGS(hdr, bp, size, zb))
 285 DEFINE_ARC_MISS_EVENT(zfs_arc__miss);
 286
 287 /*
 288  * Generic support for four argument tracepoints of the form:
 289  *
 290  * DTRACE_PROBE4(...,
 291  *     l2arc_dev_t *, ...,
 292  *     list_t *, ...,
 293  *     uint64_t, ...,
 294  *     boolean_t, ...);
 295  */
 296 /* BEGIN CSTYLED */
 297 DECLARE_EVENT_CLASS(zfs_l2arc_evict_class,
 298         TP_PROTO(l2arc_dev_t *dev,
 299             list_t *buflist, uint64_t taddr, boolean_t all),
 300         TP_ARGS(dev, buflist, taddr, all),
 301         TP_STRUCT__entry(
 302             __field(uint64_t,           vdev_id)
 303             __field(uint64_t,           vdev_guid)
 304             __field(uint64_t,           vdev_state)
 305
 306             __field(uint64_t,           l2ad_hand)
 307             __field(uint64_t,           l2ad_start)
 308             __field(uint64_t,           l2ad_end)
 309             __field(boolean_t,          l2ad_first)
 310             __field(boolean_t,          l2ad_writing)
 311
 312             __field(uint64_t,           taddr)
 313             __field(boolean_t,          all)
 314         ),
 315         TP_fast_assign(
 316             __entry->vdev_id            = dev->l2ad_vdev->vdev_id;
 317             __entry->vdev_guid          = dev->l2ad_vdev->vdev_guid;
 318             __entry->vdev_state         = dev->l2ad_vdev->vdev_state;
 319
 320             __entry->l2ad_hand          = dev->l2ad_hand;
 321             __entry->l2ad_start         = dev->l2ad_start;
 322             __entry->l2ad_end           = dev->l2ad_end;
 323             __entry->l2ad_first         = dev->l2ad_first;
 324             __entry->l2ad_writing       = dev->l2ad_writing;
 325
 326             __entry->taddr              = taddr;
 327             __entry->all                = all;
 328         ),
 329         TP_printk("l2ad { vdev { id %llu guid %llu state %llu } "
 330             "hand %llu start %llu end %llu "
 331             "first %d writing %d } taddr %llu all %d",
 332             __entry->vdev_id, __entry->vdev_guid, __entry->vdev_state,
 333             __entry->l2ad_hand, __entry->l2ad_start,
 334             __entry->l2ad_end, __entry->l2ad_first, __entry->l2ad_writing,
 335             __entry->taddr, __entry->all)
 336 );
 337 /* END CSTYLED */
 338
 339 #define DEFINE_L2ARC_EVICT_EVENT(name) \
 340 DEFINE_EVENT(zfs_l2arc_evict_class, name, \
 341         TP_PROTO(l2arc_dev_t *dev, \
 342             list_t *buflist, uint64_t taddr, boolean_t all), \
 343         TP_ARGS(dev, buflist, taddr, all))
 344 DEFINE_L2ARC_EVICT_EVENT(zfs_l2arc__evict);
 345
 346 #endif /* _TRACE_ARC_H */
 347
 348 #undef TRACE_INCLUDE_PATH
 349 #undef TRACE_INCLUDE_FILE
 350 #define TRACE_INCLUDE_PATH sys
 351 #define TRACE_INCLUDE_FILE trace_arc
 352 #include <trace/define_trace.h>
 353
 354 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */