xfs: add AIL pushing tracepoints
Signed-off-by: Christoph Hellwig <hch@lst.de> Reviewed-by: Dave Chinner <dchinner@redhat.com> Signed-off-by: Alex Elder <aelder@sgi.com>
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2900b33999
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@ -30,6 +30,7 @@ struct xfs_buf_log_item;
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struct xfs_da_args;
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struct xfs_da_node_entry;
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struct xfs_dquot;
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struct xfs_log_item;
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struct xlog_ticket;
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struct log;
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struct xlog_recover;
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@ -853,6 +854,42 @@ DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_enter);
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DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_exit);
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DEFINE_LOGGRANT_EVENT(xfs_log_ungrant_sub);
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DECLARE_EVENT_CLASS(xfs_log_item_class,
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TP_PROTO(struct xfs_log_item *lip),
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TP_ARGS(lip),
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TP_STRUCT__entry(
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__field(dev_t, dev)
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__field(void *, lip)
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__field(uint, type)
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__field(uint, flags)
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__field(xfs_lsn_t, lsn)
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),
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TP_fast_assign(
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__entry->dev = lip->li_mountp->m_super->s_dev;
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__entry->lip = lip;
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__entry->type = lip->li_type;
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__entry->flags = lip->li_flags;
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__entry->lsn = lip->li_lsn;
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),
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TP_printk("dev %d:%d lip 0x%p lsn %d/%d type %s flags %s",
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MAJOR(__entry->dev), MINOR(__entry->dev),
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__entry->lip,
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CYCLE_LSN(__entry->lsn), BLOCK_LSN(__entry->lsn),
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__print_symbolic(__entry->type, XFS_LI_TYPE_DESC),
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__print_flags(__entry->flags, "|", XFS_LI_FLAGS))
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)
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#define DEFINE_LOG_ITEM_EVENT(name) \
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DEFINE_EVENT(xfs_log_item_class, name, \
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TP_PROTO(struct xfs_log_item *lip), \
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TP_ARGS(lip))
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DEFINE_LOG_ITEM_EVENT(xfs_ail_push);
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DEFINE_LOG_ITEM_EVENT(xfs_ail_pushbuf);
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DEFINE_LOG_ITEM_EVENT(xfs_ail_pushbuf_pinned);
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DEFINE_LOG_ITEM_EVENT(xfs_ail_pinned);
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DEFINE_LOG_ITEM_EVENT(xfs_ail_locked);
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DECLARE_EVENT_CLASS(xfs_file_class,
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TP_PROTO(struct xfs_inode *ip, size_t count, loff_t offset, int flags),
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TP_ARGS(ip, count, offset, flags),
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@ -26,6 +26,7 @@
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#include "xfs_ag.h"
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#include "xfs_mount.h"
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#include "xfs_trans_priv.h"
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#include "xfs_trace.h"
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#include "xfs_error.h"
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#ifdef DEBUG
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@ -425,14 +426,18 @@ xfsaild_push(
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switch (lock_result) {
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case XFS_ITEM_SUCCESS:
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XFS_STATS_INC(xs_push_ail_success);
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trace_xfs_ail_push(lip);
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IOP_PUSH(lip);
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ailp->xa_last_pushed_lsn = lsn;
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break;
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case XFS_ITEM_PUSHBUF:
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XFS_STATS_INC(xs_push_ail_pushbuf);
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trace_xfs_ail_pushbuf(lip);
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if (!IOP_PUSHBUF(lip)) {
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trace_xfs_ail_pushbuf_pinned(lip);
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stuck++;
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ailp->xa_log_flush++;
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} else {
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@ -443,12 +448,15 @@ xfsaild_push(
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case XFS_ITEM_PINNED:
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XFS_STATS_INC(xs_push_ail_pinned);
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trace_xfs_ail_pinned(lip);
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stuck++;
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ailp->xa_log_flush++;
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break;
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case XFS_ITEM_LOCKED:
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XFS_STATS_INC(xs_push_ail_locked);
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trace_xfs_ail_locked(lip);
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stuck++;
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break;
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