freebsd-dev/include/sys/trace_dmu.h
George Melikov 539d33c791 OpenZFS 6569 - large file delete can starve out write ops
Authored by: Alek Pinchuk <alek@nexenta.com>
Reviewed by: Matt Ahrens <mahrens@delphix.com>
Reviewed by: Sanjay Nadkarni <sanjay.nadkarni@nexenta.com>
Reviewed by: Pavel Zakharov <pavel.zakharov@delphix.com>
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov>
Ported-by: George Melikov <mail@gmelikov.ru>
Tested-by: kernelOfTruth <kerneloftruth@gmail.com>

OpenZFS-issue: https://www.illumos.org/issues/6569
OpenZFS-commit: https://github.com/openzfs/openzfs/commit/1bf4b6f2
Closes #5706
2017-01-31 14:44:03 -08:00

154 lines
5.1 KiB
C

/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (the "License").
* You may not use this file except in compliance with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
#if defined(_KERNEL) && defined(HAVE_DECLARE_EVENT_CLASS)
#undef TRACE_SYSTEM
#define TRACE_SYSTEM zfs
#undef TRACE_SYSTEM_VAR
#define TRACE_SYSTEM_VAR zfs_dmu
#if !defined(_TRACE_DMU_H) || defined(TRACE_HEADER_MULTI_READ)
#define _TRACE_DMU_H
#include <linux/tracepoint.h>
#include <sys/types.h>
/*
* Generic support for three argument tracepoints of the form:
*
* DTRACE_PROBE3(...,
* dmu_tx_t *, ...,
* uint64_t, ...,
* uint64_t, ...);
*/
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_delay_mintime_class,
TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time),
TP_ARGS(tx, dirty, min_tx_time),
TP_STRUCT__entry(
__field(uint64_t, tx_txg)
__field(uint64_t, tx_lastsnap_txg)
__field(uint64_t, tx_lasttried_txg)
__field(boolean_t, tx_anyobj)
__field(boolean_t, tx_waited)
__field(hrtime_t, tx_start)
__field(boolean_t, tx_wait_dirty)
__field(int, tx_err)
#ifdef DEBUG_DMU_TX
__field(uint64_t, tx_space_towrite)
__field(uint64_t, tx_space_tofree)
__field(uint64_t, tx_space_tooverwrite)
__field(uint64_t, tx_space_tounref)
__field(int64_t, tx_space_written)
__field(int64_t, tx_space_freed)
#endif
__field(uint64_t, min_tx_time)
__field(uint64_t, dirty)
),
TP_fast_assign(
__entry->tx_txg = tx->tx_txg;
__entry->tx_lastsnap_txg = tx->tx_lastsnap_txg;
__entry->tx_lasttried_txg = tx->tx_lasttried_txg;
__entry->tx_anyobj = tx->tx_anyobj;
__entry->tx_waited = tx->tx_waited;
__entry->tx_start = tx->tx_start;
__entry->tx_wait_dirty = tx->tx_wait_dirty;
__entry->tx_err = tx->tx_err;
#ifdef DEBUG_DMU_TX
__entry->tx_space_towrite = tx->tx_space_towrite;
__entry->tx_space_tofree = tx->tx_space_tofree;
__entry->tx_space_tooverwrite = tx->tx_space_tooverwrite;
__entry->tx_space_tounref = tx->tx_space_tounref;
__entry->tx_space_written = tx->tx_space_written.rc_count;
__entry->tx_space_freed = tx->tx_space_freed.rc_count;
#endif
__entry->dirty = dirty;
__entry->min_tx_time = min_tx_time;
),
TP_printk("tx { txg %llu lastsnap_txg %llu tx_lasttried_txg %llu "
"anyobj %d waited %d start %llu wait_dirty %d err %i "
#ifdef DEBUG_DMU_TX
"space_towrite %llu space_tofree %llu space_tooverwrite %llu "
"space_tounref %llu space_written %lli space_freed %lli "
#endif
"} dirty %llu min_tx_time %llu",
__entry->tx_txg, __entry->tx_lastsnap_txg,
__entry->tx_lasttried_txg, __entry->tx_anyobj, __entry->tx_waited,
__entry->tx_start, __entry->tx_wait_dirty, __entry->tx_err,
#ifdef DEBUG_DMU_TX
__entry->tx_space_towrite, __entry->tx_space_tofree,
__entry->tx_space_tooverwrite, __entry->tx_space_tounref,
__entry->tx_space_written, __entry->tx_space_freed,
#endif
__entry->dirty, __entry->min_tx_time)
);
/* END CSTYLED */
/* BEGIN CSTYLED */
#define DEFINE_DELAY_MINTIME_EVENT(name) \
DEFINE_EVENT(zfs_delay_mintime_class, name, \
TP_PROTO(dmu_tx_t *tx, uint64_t dirty, uint64_t min_tx_time), \
TP_ARGS(tx, dirty, min_tx_time))
/* END CSTYLED */
DEFINE_DELAY_MINTIME_EVENT(zfs_delay__mintime);
/* BEGIN CSTYLED */
DECLARE_EVENT_CLASS(zfs_free_long_range_class,
TP_PROTO(uint64_t long_free_dirty_all_txgs, uint64_t chunk_len, \
uint64_t txg),
TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg),
TP_STRUCT__entry(
__field(uint64_t, long_free_dirty_all_txgs)
__field(uint64_t, chunk_len)
__field(uint64_t, txg)
),
TP_fast_assign(
__entry->long_free_dirty_all_txgs = long_free_dirty_all_txgs;
__entry->chunk_len = chunk_len;
__entry->txg = txg;
),
TP_printk("long_free_dirty_all_txgs %llu chunk_len %llu txg %llu",
__entry->long_free_dirty_all_txgs,
__entry->chunk_len, __entry->txg)
);
/* END CSTYLED */
/* BEGIN CSTYLED */
#define DEFINE_FREE_LONG_RANGE_EVENT(name) \
DEFINE_EVENT(zfs_free_long_range_class, name, \
TP_PROTO(uint64_t long_free_dirty_all_txgs, \
uint64_t chunk_len, uint64_t txg), \
TP_ARGS(long_free_dirty_all_txgs, chunk_len, txg))
/* END CSTYLED */
DEFINE_FREE_LONG_RANGE_EVENT(zfs_free__long__range);
#endif /* _TRACE_DMU_H */
#undef TRACE_INCLUDE_PATH
#undef TRACE_INCLUDE_FILE
#define TRACE_INCLUDE_PATH sys
#define TRACE_INCLUDE_FILE trace_dmu
#include <trace/define_trace.h>
#endif /* _KERNEL && HAVE_DECLARE_EVENT_CLASS */