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 /* BEGIN CSTYLED */
 101 #define DEFINE_ARC_BUF_HDR_EVENT(name) \
 102 DEFINE_EVENT(zfs_arc_buf_hdr_class, name, \
 103         TP_PROTO(arc_buf_hdr_t *ab), \
 104         TP_ARGS(ab))
 105 /* END CSTYLED */
 106 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__hit);
 107 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__evict);
 108 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__delete);
 109 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mru);
 110 DEFINE_ARC_BUF_HDR_EVENT(zfs_new_state__mfu);
 111 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__async__upgrade__sync);
 112 DEFINE_ARC_BUF_HDR_EVENT(zfs_arc__demand__hit__predictive__prefetch);
 113 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__hit);
 114 DEFINE_ARC_BUF_HDR_EVENT(zfs_l2arc__miss);
 115
 116 /*
 117  * Generic support for two argument tracepoints of the form:
 118  *
 119  * DTRACE_PROBE2(...,
 120  *     vdev_t *, ...,
 121  *     zio_t *, ...);
 122  */
 123 /* BEGIN CSTYLED */
 124 DECLARE_EVENT_CLASS(zfs_l2arc_rw_class,
 125         TP_PROTO(vdev_t *vd, zio_t *zio),
 126         TP_ARGS(vd, zio),
 127         TP_STRUCT__entry(
 128             __field(uint64_t,   vdev_id)
 129             __field(uint64_t,   vdev_guid)
 130             __field(uint64_t,   vdev_state)
 131             ZIO_TP_STRUCT_ENTRY
 132         ),
 133         TP_fast_assign(
 134             __entry->vdev_id    = vd->vdev_id;
 135             __entry->vdev_guid  = vd->vdev_guid;
 136             __entry->vdev_state = vd->vdev_state;
 137             ZIO_TP_FAST_ASSIGN
 138         ),
 139         TP_printk("vdev { id %llu guid %llu state %llu } "
 140             ZIO_TP_PRINTK_FMT, __entry->vdev_id, __entry->vdev_guid,
 141             __entry->vdev_state, ZIO_TP_PRINTK_ARGS)
 142 );
 143 /* END CSTYLED */
 144
 145 /* BEGIN CSTYLED */
 146 #define DEFINE_L2ARC_RW_EVENT(name) \
 147 DEFINE_EVENT(zfs_l2arc_rw_class, name, \
 148         TP_PROTO(vdev_t *vd, zio_t *zio), \
 149         TP_ARGS(vd, zio))
 150 /* END CSTYLED */
 151 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__read);
 152 DEFINE_L2ARC_RW_EVENT(zfs_l2arc__write);
 153
 154
 155 /*
 156  * Generic support for two argument tracepoints of the form:
 157  *
 158  * DTRACE_PROBE2(...,
 159  *     zio_t *, ...,
 160  *     l2arc_write_callback_t *, ...);
 161  */
 162 /* BEGIN CSTYLED */
 163 DECLARE_EVENT_CLASS(zfs_l2arc_iodone_class,
 164         TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb),
 165         TP_ARGS(zio, cb),
 166         TP_STRUCT__entry(ZIO_TP_STRUCT_ENTRY),
 167         TP_fast_assign(ZIO_TP_FAST_ASSIGN),
 168         TP_printk(ZIO_TP_PRINTK_FMT, ZIO_TP_PRINTK_ARGS)
 169 );
 170 /* END CSTYLED */
 171
 172 /* BEGIN CSTYLED */
 173 #define DEFINE_L2ARC_IODONE_EVENT(name) \
 174 DEFINE_EVENT(zfs_l2arc_iodone_class, name, \
 175         TP_PROTO(zio_t *zio, l2arc_write_callback_t *cb), \
 176         TP_ARGS(zio, cb))
 177 /* END CSTYLED */
 178 DEFINE_L2ARC_IODONE_EVENT(zfs_l2arc__iodone);
 179
 180
 181 /*
 182  * Generic support for four argument tracepoints of the form:
 183  *
 184  * DTRACE_PROBE4(...,
 185  *     arc_buf_hdr_t *, ...,
 186  *     const blkptr_t *,
 187  *     uint64_t,
 188  *     const zbookmark_phys_t *);
 189  */
 190 /* BEGIN CSTYLED */
 191 DECLARE_EVENT_CLASS(zfs_arc_miss_class,
 192         TP_PROTO(arc_buf_hdr_t *hdr,
 193             const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb),
 194         TP_ARGS(hdr, bp, size, zb),
 195         TP_STRUCT__entry(
 196             __array(uint64_t,           hdr_dva_word, 2)
 197             __field(uint64_t,           hdr_birth)
 198             __field(uint32_t,           hdr_flags)
 199             __field(uint32_t,           hdr_bufcnt)
 200             __field(arc_buf_contents_t, hdr_type)
 201             __field(uint16_t,           hdr_psize)
 202             __field(uint16_t,           hdr_lsize)
 203             __field(uint64_t,           hdr_spa)
 204             __field(arc_state_type_t,   hdr_state_type)
 205             __field(clock_t,            hdr_access)
 206             __field(uint32_t,           hdr_mru_hits)
 207             __field(uint32_t,           hdr_mru_ghost_hits)
 208             __field(uint32_t,           hdr_mfu_hits)
 209             __field(uint32_t,           hdr_mfu_ghost_hits)
 210             __field(uint32_t,           hdr_l2_hits)
 211             __field(int64_t,            hdr_refcount)
 212
 213             __array(uint64_t,           bp_dva0, 2)
 214             __array(uint64_t,           bp_dva1, 2)
 215             __array(uint64_t,           bp_dva2, 2)
 216             __array(uint64_t,           bp_cksum, 4)
 217
 218             __field(uint64_t,           bp_lsize)
 219
 220             __field(uint64_t,           zb_objset)
 221             __field(uint64_t,           zb_object)
 222             __field(int64_t,            zb_level)
 223             __field(uint64_t,           zb_blkid)
 224         ),
 225         TP_fast_assign(
 226             __entry->hdr_dva_word[0]    = hdr->b_dva.dva_word[0];
 227             __entry->hdr_dva_word[1]    = hdr->b_dva.dva_word[1];
 228             __entry->hdr_birth          = hdr->b_birth;
 229             __entry->hdr_flags          = hdr->b_flags;
 230             __entry->hdr_bufcnt         = hdr->b_l1hdr.b_bufcnt;
 231             __entry->hdr_psize          = hdr->b_psize;
 232             __entry->hdr_lsize          = hdr->b_lsize;
 233             __entry->hdr_spa            = hdr->b_spa;
 234             __entry->hdr_state_type     = hdr->b_l1hdr.b_state->arcs_state;
 235             __entry->hdr_access         = hdr->b_l1hdr.b_arc_access;
 236             __entry->hdr_mru_hits       = hdr->b_l1hdr.b_mru_hits;
 237             __entry->hdr_mru_ghost_hits = hdr->b_l1hdr.b_mru_ghost_hits;
 238             __entry->hdr_mfu_hits       = hdr->b_l1hdr.b_mfu_hits;
 239             __entry->hdr_mfu_ghost_hits = hdr->b_l1hdr.b_mfu_ghost_hits;
 240             __entry->hdr_l2_hits        = hdr->b_l1hdr.b_l2_hits;
 241             __entry->hdr_refcount       = hdr->b_l1hdr.b_refcnt.rc_count;
 242
 243             __entry->bp_dva0[0]         = bp->blk_dva[0].dva_word[0];
 244             __entry->bp_dva0[1]         = bp->blk_dva[0].dva_word[1];
 245             __entry->bp_dva1[0]         = bp->blk_dva[1].dva_word[0];
 246             __entry->bp_dva1[1]         = bp->blk_dva[1].dva_word[1];
 247             __entry->bp_dva2[0]         = bp->blk_dva[2].dva_word[0];
 248             __entry->bp_dva2[1]         = bp->blk_dva[2].dva_word[1];
 249             __entry->bp_cksum[0]        = bp->blk_cksum.zc_word[0];
 250             __entry->bp_cksum[1]        = bp->blk_cksum.zc_word[1];
 251             __entry->bp_cksum[2]        = bp->blk_cksum.zc_word[2];
 252             __entry->bp_cksum[3]        = bp->blk_cksum.zc_word[3];
 253
 254             __entry->bp_lsize           = size;
 255
 256             __entry->zb_objset          = zb->zb_objset;
 257             __entry->zb_object          = zb->zb_object;
 258             __entry->zb_level           = zb->zb_level;
 259             __entry->zb_blkid           = zb->zb_blkid;
 260         ),
 261         TP_printk("hdr { dva 0x%llx:0x%llx birth %llu "
 262             "flags 0x%x bufcnt %u psize %u lsize %u spa %llu state_type %u "
 263             "access %lu mru_hits %u mru_ghost_hits %u mfu_hits %u "
 264             "mfu_ghost_hits %u l2_hits %u refcount %lli } "
 265             "bp { dva0 0x%llx:0x%llx dva1 0x%llx:0x%llx dva2 "
 266             "0x%llx:0x%llx cksum 0x%llx:0x%llx:0x%llx:0x%llx "
 267             "lsize %llu } zb { objset %llu object %llu level %lli "
 268             "blkid %llu }",
 269             __entry->hdr_dva_word[0], __entry->hdr_dva_word[1],
 270             __entry->hdr_birth, __entry->hdr_flags,
 271             __entry->hdr_bufcnt, __entry->hdr_psize, __entry->hdr_lsize,
 272             __entry->hdr_spa, __entry->hdr_state_type, __entry->hdr_access,
 273             __entry->hdr_mru_hits, __entry->hdr_mru_ghost_hits,
 274             __entry->hdr_mfu_hits, __entry->hdr_mfu_ghost_hits,
 275             __entry->hdr_l2_hits, __entry->hdr_refcount,
 276             __entry->bp_dva0[0], __entry->bp_dva0[1],
 277             __entry->bp_dva1[0], __entry->bp_dva1[1],
 278             __entry->bp_dva2[0], __entry->bp_dva2[1],
 279             __entry->bp_cksum[0], __entry->bp_cksum[1],
 280             __entry->bp_cksum[2], __entry->bp_cksum[3],
 281             __entry->bp_lsize, __entry->zb_objset, __entry->zb_object,
 282             __entry->zb_level, __entry->zb_blkid)
 283 );
 284 /* END CSTYLED */
 285
 286 /* BEGIN CSTYLED */
 287 #define DEFINE_ARC_MISS_EVENT(name) \
 288 DEFINE_EVENT(zfs_arc_miss_class, name, \
 289         TP_PROTO(arc_buf_hdr_t *hdr, \
 290             const blkptr_t *bp, uint64_t size, const zbookmark_phys_t *zb), \
 291         TP_ARGS(hdr, bp, size, zb))
 292 /* END CSTYLED */
 293 DEFINE_ARC_MISS_EVENT(zfs_arc__miss);
 294
 295 /*
 296  * Generic support for four argument tracepoints of the form:
 297  *
 298  * DTRACE_PROBE4(...,
 299  *     l2arc_dev_t *, ...,
 300  *     list_t *, ...,
 301  *     uint64_t, ...,
 302  *     boolean_t, ...);
 303  */
 304 /* BEGIN CSTYLED */
 305 DECLARE_EVENT_CLASS(zfs_l2arc_evict_class,
 306         TP_PROTO(l2arc_dev_t *dev,
 307             list_t *buflist, uint64_t taddr, boolean_t all),
 308         TP_ARGS(dev, buflist, taddr, all),
 309         TP_STRUCT__entry(
 310             __field(uint64_t,           vdev_id)
 311             __field(uint64_t,           vdev_guid)
 312             __field(uint64_t,           vdev_state)
 313
 314             __field(uint64_t,           l2ad_hand)
 315             __field(uint64_t,           l2ad_start)
 316             __field(uint64_t,           l2ad_end)
 317             __field(boolean_t,          l2ad_first)
 318             __field(boolean_t,          l2ad_writing)
 319
 320             __field(uint64_t,           taddr)
 321             __field(boolean_t,          all)
 322         ),
 323         TP_fast_assign(
 324             __entry->vdev_id            = dev->l2ad_vdev->vdev_id;
 325             __entry->vdev_guid          = dev->l2ad_vdev->vdev_guid;
 326             __entry->vdev_state         = dev->l2ad_vdev->vdev_state;
 327
 328             __entry->l2ad_hand          = dev->l2ad_hand;
 329             __entry->l2ad_start         = dev->l2ad_start;
 330             __entry->l2ad_end           = dev->l2ad_end;
 331             __entry->l2ad_first         = dev->l2ad_first;
 332             __entry->l2ad_writing       = dev->l2ad_writing;
 333
 334             __entry->taddr              = taddr;
 335             __entry->all                = all;
 336         ),
 337         TP_printk("l2ad { vdev { id %llu guid %llu state %llu } "
 338             "hand %llu start %llu end %llu "
 339             "first %d writing %d } taddr %llu all %d",
 340             __entry->vdev_id, __entry->vdev_guid, __entry->vdev_state,
 341             __entry->l2ad_hand, __entry->l2ad_start,
 342             __entry->l2ad_end, __entry->l2ad_first, __entry->l2ad_writing,
 343             __entry->taddr, __entry->all)
 344 );
 345 /* END CSTYLED */
 346
 347 /* BEGIN CSTYLED */
 348 #define DEFINE_L2ARC_EVICT_EVENT(name) \
 349 DEFINE_EVENT(zfs_l2arc_evict_class, name, \
 350         TP_PROTO(l2arc_dev_t *dev, \
 351             list_t *buflist, uint64_t taddr, boolean_t all), \
 352         TP_ARGS(dev, buflist, taddr, all))
 353 /* END CSTYLED */
 354 DEFINE_L2ARC_EVICT_EVENT(zfs_l2arc__evict);
 355
 356 #endif /* _TRACE_ARC_H */
 357
 358 #undef TRACE_INCLUDE_PATH
 359 #undef TRACE_INCLUDE_FILE
 360 #define TRACE_INCLUDE_PATH sys
 361 #define TRACE_INCLUDE_FILE trace_arc
 362 #include <trace/define_trace.h>
 363
 364 #endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */