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