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From: Andiry Xu <jix024@eng.ucsd.edu>
To: linux-fsdevel@vger.kernel.org, linux-kernel@vger.kernel.org,
	linux-nvdimm@lists.01.org
Cc: dan.j.williams@intel.com, andy.rudoff@intel.com,
	coughlan@redhat.com, swanson@cs.ucsd.edu, david@fromorbit.com,
	jack@suse.com, swhiteho@redhat.com, miklos@szeredi.hu,
	andiry.xu@gmail.com, Andiry Xu <jix024@cs.ucsd.edu>
Subject: [RFC v2 33/83] Inode log and entry printing for debug purpose.
Date: Sat, 10 Mar 2018 10:18:14 -0800	[thread overview]
Message-ID: <1520705944-6723-34-git-send-email-jix024@eng.ucsd.edu> (raw)
In-Reply-To: <1520705944-6723-1-git-send-email-jix024@eng.ucsd.edu>

From: Andiry Xu <jix024@cs.ucsd.edu>

Signed-off-by: Andiry Xu <jix024@cs.ucsd.edu>
---
 fs/nova/nova.h  |   3 +
 fs/nova/stats.c | 234 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 2 files changed, 237 insertions(+)

diff --git a/fs/nova/nova.h b/fs/nova/nova.h
index bf4b6ac..03c4991 100644
--- a/fs/nova/nova.h
+++ b/fs/nova/nova.h
@@ -367,6 +367,9 @@ void nova_get_IO_stats(void);
 void nova_print_timing_stats(struct super_block *sb);
 void nova_clear_stats(struct super_block *sb);
 void nova_print_inode(struct nova_inode *pi);
+void nova_print_inode_log(struct super_block *sb, struct inode *inode);
+void nova_print_inode_log_pages(struct super_block *sb, struct inode *inode);
+int nova_check_inode_logs(struct super_block *sb, struct nova_inode *pi);
 void nova_print_free_lists(struct super_block *sb);
 
 #endif /* __NOVA_H */
diff --git a/fs/nova/stats.c b/fs/nova/stats.c
index 9ddd267..990e964 100644
--- a/fs/nova/stats.c
+++ b/fs/nova/stats.c
@@ -333,6 +333,240 @@ void nova_print_inode(struct nova_inode *pi)
 		pi->create_epoch_id, pi->delete_epoch_id);
 }
 
+static inline void nova_print_file_write_entry(struct super_block *sb,
+	u64 curr, struct nova_file_write_entry *entry)
+{
+	nova_dbg("file write entry @ 0x%llx: epoch %llu, trans %llu, "
+			"pgoff %llu, pages %u, blocknr %llu, reassigned %u, "
+			"invalid count %u, size %llu, mtime %u\n",
+			curr, entry->epoch_id, entry->trans_id,
+			entry->pgoff, entry->num_pages,
+			entry->block >> PAGE_SHIFT,
+			entry->reassigned,
+			entry->invalid_pages, entry->size, entry->mtime);
+}
+
+static inline void nova_print_set_attr_entry(struct super_block *sb,
+	u64 curr, struct nova_setattr_logentry *entry)
+{
+	nova_dbg("set attr entry @ 0x%llx: epoch %llu, trans %llu, invalid %u, "
+			"mode %u, size %llu, atime %u, mtime %u, ctime %u\n",
+			curr, entry->epoch_id, entry->trans_id,
+			entry->invalid, entry->mode,
+			entry->size, entry->atime, entry->mtime, entry->ctime);
+}
+
+static inline void nova_print_link_change_entry(struct super_block *sb,
+	u64 curr, struct nova_link_change_entry *entry)
+{
+	nova_dbg("link change entry @ 0x%llx: epoch %llu, trans %llu, "
+			"invalid %u, links %u, flags %u, ctime %u\n",
+			curr, entry->epoch_id, entry->trans_id,
+			entry->invalid, entry->links,
+			entry->flags, entry->ctime);
+}
+
+static inline size_t nova_print_dentry(struct super_block *sb,
+	u64 curr, struct nova_dentry *entry)
+{
+	nova_dbg("dir logentry @ 0x%llx: epoch %llu, trans %llu, "
+			"reassigned %u, invalid %u, inode %llu, links %u, "
+			"namelen %u, rec len %u, name %s, mtime %u\n",
+			curr, entry->epoch_id, entry->trans_id,
+			entry->reassigned, entry->invalid,
+			le64_to_cpu(entry->ino),
+			entry->links_count, entry->name_len,
+			le16_to_cpu(entry->de_len), entry->name,
+			entry->mtime);
+
+	return le16_to_cpu(entry->de_len);
+}
+
+u64 nova_print_log_entry(struct super_block *sb, u64 curr)
+{
+	void *addr;
+	size_t size;
+	u8 type;
+
+	addr = (void *)nova_get_block(sb, curr);
+	type = nova_get_entry_type(addr);
+	switch (type) {
+	case SET_ATTR:
+		nova_print_set_attr_entry(sb, curr, addr);
+		curr += sizeof(struct nova_setattr_logentry);
+		break;
+	case LINK_CHANGE:
+		nova_print_link_change_entry(sb, curr, addr);
+		curr += sizeof(struct nova_link_change_entry);
+		break;
+	case FILE_WRITE:
+		nova_print_file_write_entry(sb, curr, addr);
+		curr += sizeof(struct nova_file_write_entry);
+		break;
+	case DIR_LOG:
+		size = nova_print_dentry(sb, curr, addr);
+		curr += size;
+		if (size == 0) {
+			nova_dbg("%s: dentry with size 0 @ 0x%llx\n",
+					__func__, curr);
+			curr += sizeof(struct nova_file_write_entry);
+			NOVA_ASSERT(0);
+		}
+		break;
+	case NEXT_PAGE:
+		nova_dbg("%s: next page sign @ 0x%llx\n", __func__, curr);
+		curr = PAGE_TAIL(curr);
+		break;
+	default:
+		nova_dbg("%s: unknown type %d, 0x%llx\n", __func__, type, curr);
+		curr += sizeof(struct nova_file_write_entry);
+		NOVA_ASSERT(0);
+		break;
+	}
+
+	return curr;
+}
+
+void nova_print_curr_log_page(struct super_block *sb, u64 curr)
+{
+	struct nova_inode_page_tail *tail;
+	u64 start, end;
+
+	start = BLOCK_OFF(curr);
+	end = PAGE_TAIL(curr);
+
+	while (start < end)
+		start = nova_print_log_entry(sb, start);
+
+	tail = nova_get_block(sb, end);
+	nova_dbg("Page tail. curr 0x%llx, next page 0x%llx, %u entries, %u invalid\n",
+			start, tail->next_page,
+			tail->num_entries, tail->invalid_entries);
+}
+
+void nova_print_nova_log(struct super_block *sb,
+	struct nova_inode_info_header *sih)
+{
+	u64 curr;
+
+	if (sih->log_tail == 0 || sih->log_head == 0)
+		return;
+
+	curr = sih->log_head;
+	nova_dbg("Pi %lu: log head 0x%llx, tail 0x%llx\n",
+			sih->ino, curr, sih->log_tail);
+	while (curr != sih->log_tail) {
+		if ((curr & (PAGE_SIZE - 1)) == LOG_BLOCK_TAIL) {
+			struct nova_inode_page_tail *tail =
+					nova_get_block(sb, curr);
+			nova_dbg("Log tail, curr 0x%llx, next page 0x%llx, "
+					"%u entries, %u invalid\n",
+					curr, tail->next_page,
+					tail->num_entries,
+					tail->invalid_entries);
+			curr = tail->next_page;
+		} else {
+			curr = nova_print_log_entry(sb, curr);
+		}
+	}
+}
+
+void nova_print_inode_log(struct super_block *sb, struct inode *inode)
+{
+	struct nova_inode_info *si = NOVA_I(inode);
+	struct nova_inode_info_header *sih = &si->header;
+
+	nova_print_nova_log(sb, sih);
+}
+
+int nova_get_nova_log_pages(struct super_block *sb,
+	struct nova_inode_info_header *sih, struct nova_inode *pi)
+{
+	struct nova_inode_log_page *curr_page;
+	u64 curr, next;
+	int count = 1;
+
+	if (pi->log_head == 0 || pi->log_tail == 0) {
+		nova_dbg("Pi %lu has no log\n", sih->ino);
+		return 0;
+	}
+
+	curr = pi->log_head;
+	curr_page = (struct nova_inode_log_page *)nova_get_block(sb, curr);
+	while ((next = curr_page->page_tail.next_page) != 0) {
+		curr = next;
+		curr_page = (struct nova_inode_log_page *)
+			nova_get_block(sb, curr);
+		count++;
+	}
+
+	return count;
+}
+
+void nova_print_nova_log_pages(struct super_block *sb,
+	struct nova_inode_info_header *sih)
+{
+	struct nova_inode_log_page *curr_page;
+	u64 curr, next;
+	int count = 1;
+	int used = count;
+
+	if (sih->log_head == 0 || sih->log_tail == 0) {
+		nova_dbg("Pi %lu has no log\n", sih->ino);
+		return;
+	}
+
+	curr = sih->log_head;
+	nova_dbg("Pi %lu: log head @ 0x%llx, tail @ 0x%llx\n",
+			sih->ino, curr, sih->log_tail);
+	curr_page = (struct nova_inode_log_page *)nova_get_block(sb, curr);
+	while ((next = curr_page->page_tail.next_page) != 0) {
+		nova_dbg("Current page 0x%llx, next page 0x%llx, %u entries, %u invalid\n",
+			curr >> PAGE_SHIFT, next >> PAGE_SHIFT,
+			curr_page->page_tail.num_entries,
+			curr_page->page_tail.invalid_entries);
+		if (sih->log_tail >> PAGE_SHIFT == curr >> PAGE_SHIFT)
+			used = count;
+		curr = next;
+		curr_page = (struct nova_inode_log_page *)
+			nova_get_block(sb, curr);
+		count++;
+	}
+	if (sih->log_tail >> PAGE_SHIFT == curr >> PAGE_SHIFT)
+		used = count;
+	nova_dbg("Pi %lu: log used %d pages, has %d pages, si reports %lu pages\n",
+		sih->ino, used, count,
+		sih->log_pages);
+}
+
+void nova_print_inode_log_pages(struct super_block *sb, struct inode *inode)
+{
+	struct nova_inode_info *si = NOVA_I(inode);
+	struct nova_inode_info_header *sih = &si->header;
+
+	nova_print_nova_log_pages(sb, sih);
+}
+
+int nova_check_inode_logs(struct super_block *sb, struct nova_inode *pi)
+{
+	int count = 0;
+	int tail_at = 0;
+	u64 curr;
+
+	curr = pi->log_head;
+
+	while (curr) {
+		count++;
+		if ((curr >> PAGE_SHIFT) == (pi->log_tail >> PAGE_SHIFT))
+			tail_at = count;
+		curr = next_log_page(sb, curr);
+	}
+
+	nova_dbg("Log %d pages, tail @ page %d\n", count, tail_at);
+
+	return 0;
+}
+
 void nova_print_free_lists(struct super_block *sb)
 {
 	struct nova_sb_info *sbi = NOVA_SB(sb);
-- 
2.7.4

  parent reply	other threads:[~2018-03-10 18:20 UTC|newest]

Thread overview: 119+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2018-03-10 18:17 [RFC v2 00/83] NOVA: a new file system for persistent memory Andiry Xu
2018-03-10 18:17 ` [RFC v2 01/83] Introduction and documentation of NOVA filesystem Andiry Xu
2018-03-19 20:43   ` Randy Dunlap
2018-03-19 23:00     ` Andiry Xu
2018-04-22  8:05   ` Pavel Machek
2018-03-10 18:17 ` [RFC v2 02/83] Add nova_def.h Andiry Xu
2018-03-10 18:17 ` [RFC v2 03/83] Add super.h Andiry Xu
2018-03-15  4:54   ` Darrick J. Wong
2018-03-15  6:11     ` Andiry Xu
2018-03-15  9:05       ` Arnd Bergmann
2018-03-15 17:51         ` Andiry Xu
2018-03-15 20:04           ` Andreas Dilger
2018-03-15 20:38           ` Arnd Bergmann
2018-03-16  2:59             ` Theodore Y. Ts'o
2018-03-16  6:17               ` Andiry Xu
2018-03-16  6:30                 ` Darrick J. Wong
2018-03-16  9:19               ` Arnd Bergmann
2018-03-10 18:17 ` [RFC v2 04/83] NOVA inode definition Andiry Xu
2018-03-15  5:06   ` Darrick J. Wong
2018-03-15  6:16     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 05/83] Add NOVA filesystem definitions and useful helper routines Andiry Xu
2018-03-11 12:00   ` Nikolay Borisov
2018-03-11 19:22     ` Eric Biggers
2018-03-11 21:45       ` Andiry Xu
2018-03-19 19:39       ` Andiry Xu
2018-03-19 20:30         ` Eric Biggers
2018-03-19 21:59           ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 06/83] Add inode get/read methods Andiry Xu
2018-04-23  6:12   ` Darrick J. Wong
2018-04-23 15:55     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 07/83] Initialize inode_info and rebuild inode information in nova_iget() Andiry Xu
2018-03-10 18:17 ` [RFC v2 08/83] NOVA superblock operations Andiry Xu
2018-03-10 18:17 ` [RFC v2 09/83] Add Kconfig and Makefile Andiry Xu
2018-03-11 12:15   ` Nikolay Borisov
2018-03-11 21:32     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 10/83] Add superblock integrity check Andiry Xu
2018-03-10 18:17 ` [RFC v2 11/83] Add timing and I/O statistics for performance analysis and profiling Andiry Xu
2018-03-10 18:17 ` [RFC v2 12/83] Add timing for mount and init Andiry Xu
2018-03-10 18:17 ` [RFC v2 13/83] Add remount_fs and show_options methods Andiry Xu
2018-03-10 18:17 ` [RFC v2 14/83] Add range node kmem cache Andiry Xu
2018-03-11 11:55   ` Nikolay Borisov
2018-03-11 21:31     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 15/83] Add free list data structure Andiry Xu
2018-03-10 18:17 ` [RFC v2 16/83] Initialize block map and free lists in nova_init() Andiry Xu
2018-03-11 12:12   ` Nikolay Borisov
2018-03-11 21:30     ` Andiry Xu
2018-03-10 18:17 ` [RFC v2 17/83] Add statfs support Andiry Xu
2018-03-10 18:17 ` [RFC v2 18/83] Add freelist statistics printing Andiry Xu
2018-03-10 18:18 ` [RFC v2 19/83] Add pmem block free routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 20/83] Pmem block allocation routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 21/83] Add log structure Andiry Xu
2018-03-10 18:18 ` [RFC v2 22/83] Inode log pages allocation and reclaimation Andiry Xu
2018-03-10 18:18 ` [RFC v2 23/83] Save allocator to pmem in put_super Andiry Xu
2018-03-10 18:18 ` [RFC v2 24/83] Initialize and allocate inode table Andiry Xu
2018-03-10 18:18 ` [RFC v2 25/83] Support get normal inode address and inode table extentsion Andiry Xu
2018-03-10 18:18 ` [RFC v2 26/83] Add inode_map to track inuse inodes Andiry Xu
2018-03-10 18:18 ` [RFC v2 27/83] Save the inode inuse list to pmem upon umount Andiry Xu
2018-03-10 18:18 ` [RFC v2 28/83] Add NOVA address space operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 29/83] Add write_inode and dirty_inode routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 30/83] New NOVA inode allocation Andiry Xu
2018-03-10 18:18 ` [RFC v2 31/83] Add new vfs " Andiry Xu
2018-03-10 18:18 ` [RFC v2 32/83] Add log entry definitions Andiry Xu
2018-03-10 18:18 ` Andiry Xu [this message]
2018-03-10 18:18 ` [RFC v2 34/83] Journal: NOVA light weight journal definitions Andiry Xu
2018-03-10 18:18 ` [RFC v2 35/83] Journal: Lite journal helper routines Andiry Xu
2018-03-10 18:18 ` [RFC v2 36/83] Journal: Lite journal recovery Andiry Xu
2018-03-10 18:18 ` [RFC v2 37/83] Journal: Lite journal create and commit Andiry Xu
2018-03-10 18:18 ` [RFC v2 38/83] Journal: NOVA lite journal initialization Andiry Xu
2018-03-10 18:18 ` [RFC v2 39/83] Log operation: dentry append Andiry Xu
2018-03-10 18:18 ` [RFC v2 40/83] Log operation: file write entry append Andiry Xu
2018-03-10 18:18 ` [RFC v2 41/83] Log operation: setattr " Andiry Xu
2018-03-10 18:18 ` [RFC v2 42/83] Log operation: link change append Andiry Xu
2018-03-10 18:18 ` [RFC v2 43/83] Log operation: in-place update log entry Andiry Xu
2018-03-10 18:18 ` [RFC v2 44/83] Log operation: invalidate log entries Andiry Xu
2018-03-10 18:18 ` [RFC v2 45/83] Log operation: file inode log lookup and assign Andiry Xu
2018-03-10 18:18 ` [RFC v2 46/83] Dir: Add Directory radix tree insert/remove methods Andiry Xu
2018-03-10 18:18 ` [RFC v2 47/83] Dir: Add initial dentries when initializing a directory inode log Andiry Xu
2018-03-10 18:18 ` [RFC v2 48/83] Dir: Readdir operation Andiry Xu
2018-03-10 18:18 ` [RFC v2 49/83] Dir: Append create/remove dentry Andiry Xu
2018-03-10 18:18 ` [RFC v2 50/83] Inode: Add nova_evict_inode Andiry Xu
2018-03-10 18:18 ` [RFC v2 51/83] Rebuild: directory inode Andiry Xu
2018-03-10 18:18 ` [RFC v2 52/83] Rebuild: file inode Andiry Xu
2018-03-10 18:18 ` [RFC v2 53/83] Namei: lookup Andiry Xu
2018-03-10 18:18 ` [RFC v2 54/83] Namei: create and mknod Andiry Xu
2018-03-10 18:18 ` [RFC v2 55/83] Namei: mkdir Andiry Xu
2018-03-10 18:18 ` [RFC v2 56/83] Namei: link and unlink Andiry Xu
2018-03-10 18:18 ` [RFC v2 57/83] Namei: rmdir Andiry Xu
2018-03-10 18:18 ` [RFC v2 58/83] Namei: rename Andiry Xu
2018-03-10 18:18 ` [RFC v2 59/83] Namei: setattr Andiry Xu
2018-03-10 18:18 ` [RFC v2 60/83] Add special inode operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 61/83] Super: Add nova_export_ops Andiry Xu
2018-03-10 18:18 ` [RFC v2 62/83] File: getattr and file inode operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 63/83] File operation: llseek Andiry Xu
2018-03-10 18:18 ` [RFC v2 64/83] File operation: open, fsync, flush Andiry Xu
2018-03-10 18:18 ` [RFC v2 65/83] File operation: read Andiry Xu
2018-03-10 18:18 ` [RFC v2 66/83] Super: Add file write item cache Andiry Xu
2018-03-10 18:18 ` [RFC v2 67/83] Dax: commit list of file write items to log Andiry Xu
2018-03-10 18:18 ` [RFC v2 68/83] File operation: copy-on-write write Andiry Xu
2018-03-10 18:18 ` [RFC v2 69/83] Super: Add module param inplace_data_updates Andiry Xu
2018-03-10 18:18 ` [RFC v2 70/83] File operation: Inplace write Andiry Xu
2018-03-10 18:18 ` [RFC v2 71/83] Symlink support Andiry Xu
2018-03-10 18:18 ` [RFC v2 72/83] File operation: fallocate Andiry Xu
2018-03-10 18:18 ` [RFC v2 73/83] Dax: Add iomap operations Andiry Xu
2018-03-10 18:18 ` [RFC v2 74/83] File operation: Mmap Andiry Xu
2018-03-10 18:18 ` [RFC v2 75/83] File operation: read/write iter Andiry Xu
2018-03-10 18:18 ` [RFC v2 76/83] Ioctl support Andiry Xu
2018-03-10 18:18 ` [RFC v2 77/83] GC: Fast garbage collection Andiry Xu
2018-03-10 18:18 ` [RFC v2 78/83] GC: Thorough " Andiry Xu
2018-03-10 18:19 ` [RFC v2 79/83] Normal recovery Andiry Xu
2018-03-10 18:19 ` [RFC v2 80/83] Failure recovery: bitmap operations Andiry Xu
2018-03-10 18:19 ` [RFC v2 81/83] Failure recovery: Inode pages recovery routines Andiry Xu
2018-03-10 18:19 ` [RFC v2 82/83] Failure recovery: Per-CPU recovery Andiry Xu
2018-03-10 18:19 ` [RFC v2 83/83] Sysfs support Andiry Xu
2018-03-15  0:33   ` Randy Dunlap
2018-03-15  6:07     ` Andiry Xu
2018-03-22 15:00   ` David Sterba
2018-03-23  0:31     ` Andiry Xu
2018-03-11  2:14 ` [RFC v2 00/83] NOVA: a new file system for persistent memory Theodore Y. Ts'o
2018-03-11  4:58   ` Andiry Xu

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