From: Baolin Liu <[email protected]> Add ntfs3 tracepoints for allocation operations.
This adds trace events for attr_allocate_clusters(), attr_set_size_ex(), and attr_data_get_block() to help observe cluster allocation, size changes, and block mapping activity. Signed-off-by: Baolin Liu <[email protected]> --- fs/ntfs3/attrib.c | 9 +++++ include/trace/events/ntfs3.h | 78 ++++++++++++++++++++++++++++++++++++ 2 files changed, 87 insertions(+) diff --git a/fs/ntfs3/attrib.c b/fs/ntfs3/attrib.c index c621a4c582f9..a793f17b6bb4 100644 --- a/fs/ntfs3/attrib.c +++ b/fs/ntfs3/attrib.c @@ -13,6 +13,7 @@ #include "debug.h" #include "ntfs.h" #include "ntfs_fs.h" +#include <trace/events/ntfs3.h> /* * You can set external NTFS_MIN_LOG2_OF_CLUMP/NTFS_MAX_LOG2_OF_CLUMP to manage @@ -167,6 +168,8 @@ int attr_allocate_clusters(struct ntfs_sb_info *sbi, struct runs_tree *run, CLST flen, vcn0 = vcn, pre = pre_alloc ? *pre_alloc : 0; size_t cnt = run->count; + trace_ntfs3_attr_allocate_clusters(sbi->sb, vcn, lcn, len, opt); + for (;;) { err = ntfs_look_for_free_space(sbi, lcn, len + pre, &lcn, &flen, opt); @@ -452,6 +455,9 @@ int attr_set_size_ex(struct ntfs_inode *ni, enum ATTR_TYPE type, u32 align; struct MFT_REC *rec; + trace_ntfs3_attr_set_size_ex(&ni->vfs_inode, le32_to_cpu(type), new_size, + keep_prealloc, no_da); + again: alen = 0; le_b = NULL; @@ -960,6 +966,9 @@ int attr_data_get_block(struct ntfs_inode *ni, CLST vcn, CLST clen, CLST *lcn, if (res) *res = NULL; + trace_ntfs3_attr_data_get_block(&ni->vfs_inode, vcn, clen, + new != NULL, zero, no_da); + /* Try to find in cache. */ down_read(&ni->file.run_lock); if (run_lookup_entry_da(&ni->file.run, !no_da ? &ni->file.run_da : NULL, diff --git a/include/trace/events/ntfs3.h b/include/trace/events/ntfs3.h index f9d7051cd14b..552f991b5257 100644 --- a/include/trace/events/ntfs3.h +++ b/include/trace/events/ntfs3.h @@ -229,6 +229,84 @@ TRACE_EVENT(ntfs3_indx_delete_entry, __entry->ino, __entry->type, __entry->key_len) ); +TRACE_EVENT(ntfs3_attr_allocate_clusters, + TP_PROTO(struct super_block *sb, u64 vcn, u64 lcn, u64 len, u32 opt), + TP_ARGS(sb, vcn, lcn, len, opt), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(u64, vcn) + __field(u64, lcn) + __field(u64, len) + __field(u32, opt) + ), + TP_fast_assign( + __entry->dev = sb->s_dev; + __entry->vcn = vcn; + __entry->lcn = lcn; + __entry->len = len; + __entry->opt = opt; + ), + TP_printk("dev=(%d,%d) vcn=%llu lcn=%llu len=%llu opt=0x%x", + MAJOR(__entry->dev), MINOR(__entry->dev), + __entry->vcn, __entry->lcn, __entry->len, __entry->opt) +); + +TRACE_EVENT(ntfs3_attr_set_size_ex, + TP_PROTO(struct inode *inode, u32 type, u64 new_size, bool keep_prealloc, + bool no_da), + TP_ARGS(inode, type, new_size, keep_prealloc, no_da), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(unsigned long, ino) + __field(u32, type) + __field(loff_t, old_size) + __field(u64, new_size) + __field(bool, keep_prealloc) + __field(bool, no_da) + ), + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->type = type; + __entry->old_size = i_size_read(inode); + __entry->new_size = new_size; + __entry->keep_prealloc = keep_prealloc; + __entry->no_da = no_da; + ), + TP_printk("dev=(%d,%d) ino=%lu type=0x%x old_size=%lld new_size=%llu keep_prealloc=%d no_da=%d", + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, + __entry->type, __entry->old_size, __entry->new_size, + __entry->keep_prealloc, __entry->no_da) +); + +TRACE_EVENT(ntfs3_attr_data_get_block, + TP_PROTO(struct inode *inode, u64 vcn, u64 clen, bool create, + bool zero, bool no_da), + TP_ARGS(inode, vcn, clen, create, zero, no_da), + TP_STRUCT__entry( + __field(dev_t, dev) + __field(unsigned long, ino) + __field(u64, vcn) + __field(u64, clen) + __field(bool, create) + __field(bool, zero) + __field(bool, no_da) + ), + TP_fast_assign( + __entry->dev = inode->i_sb->s_dev; + __entry->ino = inode->i_ino; + __entry->vcn = vcn; + __entry->clen = clen; + __entry->create = create; + __entry->zero = zero; + __entry->no_da = no_da; + ), + TP_printk("dev=(%d,%d) ino=%lu vcn=%llu clen=%llu create=%d zero=%d no_da=%d", + MAJOR(__entry->dev), MINOR(__entry->dev), __entry->ino, + __entry->vcn, __entry->clen, __entry->create, + __entry->zero, __entry->no_da) +); + #endif /* _TRACE_NTFS3_H */ #include <trace/define_trace.h> -- 2.51.0
