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authorJohannes Berg <johannes.berg@intel.com>2015-06-10 12:44:58 +0200
committerJohannes Berg <johannes.berg@intel.com>2015-06-10 12:45:09 +0200
commit206c59d1d7d42bcafc1d7f1e476e87e4427e2345 (patch)
treea2f99470bd0fe43f5cf57812fca969bb3ca3c451 /include/trace
parentmac80211: Fix a case of incorrect metric used when forwarding a PREQ (diff)
parentMerge tag 'batman-adv-for-davem' of git://git.open-mesh.org/linux-merge (diff)
downloadlinux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.tar.xz
linux-206c59d1d7d42bcafc1d7f1e476e87e4427e2345.zip
Merge remote-tracking branch 'net-next/master' into mac80211-next
Merge back net-next to get wireless driver changes (from Kalle) to be able to create the API change across all trees properly. Signed-off-by: Johannes Berg <johannes.berg@intel.com>
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/btrfs.h4
-rw-r--r--include/trace/events/clk.h198
-rw-r--r--include/trace/events/ext3.h16
-rw-r--r--include/trace/events/ext4.h16
-rw-r--r--include/trace/events/f2fs.h162
-rw-r--r--include/trace/events/filemap.h8
-rw-r--r--include/trace/events/kmem.h96
-rw-r--r--include/trace/events/vmscan.h8
-rw-r--r--include/trace/events/writeback.h1
9 files changed, 456 insertions, 53 deletions
diff --git a/include/trace/events/btrfs.h b/include/trace/events/btrfs.h
index 572e6503394a..7f79cf459591 100644
--- a/include/trace/events/btrfs.h
+++ b/include/trace/events/btrfs.h
@@ -407,10 +407,10 @@ TRACE_EVENT(btrfs_sync_file,
TP_fast_assign(
struct dentry *dentry = file->f_path.dentry;
- struct inode *inode = dentry->d_inode;
+ struct inode *inode = d_inode(dentry);
__entry->ino = inode->i_ino;
- __entry->parent = dentry->d_parent->d_inode->i_ino;
+ __entry->parent = d_inode(dentry->d_parent)->i_ino;
__entry->datasync = datasync;
__entry->root_objectid =
BTRFS_I(inode)->root->root_key.objectid;
diff --git a/include/trace/events/clk.h b/include/trace/events/clk.h
new file mode 100644
index 000000000000..758607226bfd
--- /dev/null
+++ b/include/trace/events/clk.h
@@ -0,0 +1,198 @@
+/*
+ * Copyright (c) 2014-2015, The Linux Foundation. All rights reserved.
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM clk
+
+#if !defined(_TRACE_CLK_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_CLK_H
+
+#include <linux/tracepoint.h>
+
+struct clk_core;
+
+DECLARE_EVENT_CLASS(clk,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core),
+
+ TP_STRUCT__entry(
+ __string( name, core->name )
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, core->name);
+ ),
+
+ TP_printk("%s", __get_str(name))
+);
+
+DEFINE_EVENT(clk, clk_enable,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_enable_complete,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_disable,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_disable_complete,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_prepare,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_prepare_complete,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_unprepare,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DEFINE_EVENT(clk, clk_unprepare_complete,
+
+ TP_PROTO(struct clk_core *core),
+
+ TP_ARGS(core)
+);
+
+DECLARE_EVENT_CLASS(clk_rate,
+
+ TP_PROTO(struct clk_core *core, unsigned long rate),
+
+ TP_ARGS(core, rate),
+
+ TP_STRUCT__entry(
+ __string( name, core->name )
+ __field(unsigned long, rate )
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, core->name);
+ __entry->rate = rate;
+ ),
+
+ TP_printk("%s %lu", __get_str(name), (unsigned long)__entry->rate)
+);
+
+DEFINE_EVENT(clk_rate, clk_set_rate,
+
+ TP_PROTO(struct clk_core *core, unsigned long rate),
+
+ TP_ARGS(core, rate)
+);
+
+DEFINE_EVENT(clk_rate, clk_set_rate_complete,
+
+ TP_PROTO(struct clk_core *core, unsigned long rate),
+
+ TP_ARGS(core, rate)
+);
+
+DECLARE_EVENT_CLASS(clk_parent,
+
+ TP_PROTO(struct clk_core *core, struct clk_core *parent),
+
+ TP_ARGS(core, parent),
+
+ TP_STRUCT__entry(
+ __string( name, core->name )
+ __string( pname, parent->name )
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, core->name);
+ __assign_str(pname, parent->name);
+ ),
+
+ TP_printk("%s %s", __get_str(name), __get_str(pname))
+);
+
+DEFINE_EVENT(clk_parent, clk_set_parent,
+
+ TP_PROTO(struct clk_core *core, struct clk_core *parent),
+
+ TP_ARGS(core, parent)
+);
+
+DEFINE_EVENT(clk_parent, clk_set_parent_complete,
+
+ TP_PROTO(struct clk_core *core, struct clk_core *parent),
+
+ TP_ARGS(core, parent)
+);
+
+DECLARE_EVENT_CLASS(clk_phase,
+
+ TP_PROTO(struct clk_core *core, int phase),
+
+ TP_ARGS(core, phase),
+
+ TP_STRUCT__entry(
+ __string( name, core->name )
+ __field( int, phase )
+ ),
+
+ TP_fast_assign(
+ __assign_str(name, core->name);
+ __entry->phase = phase;
+ ),
+
+ TP_printk("%s %d", __get_str(name), (int)__entry->phase)
+);
+
+DEFINE_EVENT(clk_phase, clk_set_phase,
+
+ TP_PROTO(struct clk_core *core, int phase),
+
+ TP_ARGS(core, phase)
+);
+
+DEFINE_EVENT(clk_phase, clk_set_phase_complete,
+
+ TP_PROTO(struct clk_core *core, int phase),
+
+ TP_ARGS(core, phase)
+);
+
+#endif /* _TRACE_CLK_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/ext3.h b/include/trace/events/ext3.h
index 7f20707849bb..fc733d28117a 100644
--- a/include/trace/events/ext3.h
+++ b/include/trace/events/ext3.h
@@ -439,10 +439,10 @@ TRACE_EVENT(ext3_sync_file_enter,
TP_fast_assign(
struct dentry *dentry = file->f_path.dentry;
- __entry->dev = dentry->d_inode->i_sb->s_dev;
- __entry->ino = dentry->d_inode->i_ino;
+ __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->ino = d_inode(dentry)->i_ino;
__entry->datasync = datasync;
- __entry->parent = dentry->d_parent->d_inode->i_ino;
+ __entry->parent = d_inode(dentry->d_parent)->i_ino;
),
TP_printk("dev %d,%d ino %lu parent %ld datasync %d ",
@@ -710,9 +710,9 @@ TRACE_EVENT(ext3_unlink_enter,
TP_fast_assign(
__entry->parent = parent->i_ino;
- __entry->ino = dentry->d_inode->i_ino;
- __entry->size = dentry->d_inode->i_size;
- __entry->dev = dentry->d_inode->i_sb->s_dev;
+ __entry->ino = d_inode(dentry)->i_ino;
+ __entry->size = d_inode(dentry)->i_size;
+ __entry->dev = d_inode(dentry)->i_sb->s_dev;
),
TP_printk("dev %d,%d ino %lu size %lld parent %ld",
@@ -734,8 +734,8 @@ TRACE_EVENT(ext3_unlink_exit,
),
TP_fast_assign(
- __entry->ino = dentry->d_inode->i_ino;
- __entry->dev = dentry->d_inode->i_sb->s_dev;
+ __entry->ino = d_inode(dentry)->i_ino;
+ __entry->dev = d_inode(dentry)->i_sb->s_dev;
__entry->ret = ret;
),
diff --git a/include/trace/events/ext4.h b/include/trace/events/ext4.h
index 47fca36ee426..08ec3dd27630 100644
--- a/include/trace/events/ext4.h
+++ b/include/trace/events/ext4.h
@@ -872,10 +872,10 @@ TRACE_EVENT(ext4_sync_file_enter,
TP_fast_assign(
struct dentry *dentry = file->f_path.dentry;
- __entry->dev = dentry->d_inode->i_sb->s_dev;
- __entry->ino = dentry->d_inode->i_ino;
+ __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->ino = d_inode(dentry)->i_ino;
__entry->datasync = datasync;
- __entry->parent = dentry->d_parent->d_inode->i_ino;
+ __entry->parent = d_inode(dentry->d_parent)->i_ino;
),
TP_printk("dev %d,%d ino %lu parent %lu datasync %d ",
@@ -1453,10 +1453,10 @@ TRACE_EVENT(ext4_unlink_enter,
),
TP_fast_assign(
- __entry->dev = dentry->d_inode->i_sb->s_dev;
- __entry->ino = dentry->d_inode->i_ino;
+ __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->ino = d_inode(dentry)->i_ino;
__entry->parent = parent->i_ino;
- __entry->size = dentry->d_inode->i_size;
+ __entry->size = d_inode(dentry)->i_size;
),
TP_printk("dev %d,%d ino %lu size %lld parent %lu",
@@ -1477,8 +1477,8 @@ TRACE_EVENT(ext4_unlink_exit,
),
TP_fast_assign(
- __entry->dev = dentry->d_inode->i_sb->s_dev;
- __entry->ino = dentry->d_inode->i_ino;
+ __entry->dev = d_inode(dentry)->i_sb->s_dev;
+ __entry->ino = d_inode(dentry)->i_ino;
__entry->ret = ret;
),
diff --git a/include/trace/events/f2fs.h b/include/trace/events/f2fs.h
index 36f4536b6149..e202dec22e1d 100644
--- a/include/trace/events/f2fs.h
+++ b/include/trace/events/f2fs.h
@@ -44,7 +44,11 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
{ NODE, "NODE" }, \
{ DATA, "DATA" }, \
{ META, "META" }, \
- { META_FLUSH, "META_FLUSH" })
+ { META_FLUSH, "META_FLUSH" }, \
+ { INMEM, "INMEM" }, \
+ { INMEM_DROP, "INMEM_DROP" }, \
+ { IPU, "IN-PLACE" }, \
+ { OPU, "OUT-OF-PLACE" })
#define F2FS_BIO_MASK(t) (t & (READA | WRITE_FLUSH_FUA))
#define F2FS_BIO_EXTRA_MASK(t) (t & (REQ_META | REQ_PRIO))
@@ -104,6 +108,7 @@ TRACE_DEFINE_ENUM(CP_DISCARD);
{ CP_UMOUNT, "Umount" }, \
{ CP_FASTBOOT, "Fastboot" }, \
{ CP_SYNC, "Sync" }, \
+ { CP_RECOVERY, "Recovery" }, \
{ CP_DISCARD, "Discard" })
struct victim_sel_policy;
@@ -884,6 +889,13 @@ DEFINE_EVENT(f2fs__page, f2fs_writepage,
TP_ARGS(page, type)
);
+DEFINE_EVENT(f2fs__page, f2fs_do_write_data_page,
+
+ TP_PROTO(struct page *page, int type),
+
+ TP_ARGS(page, type)
+);
+
DEFINE_EVENT(f2fs__page, f2fs_readpage,
TP_PROTO(struct page *page, int type),
@@ -905,6 +917,20 @@ DEFINE_EVENT(f2fs__page, f2fs_vm_page_mkwrite,
TP_ARGS(page, type)
);
+DEFINE_EVENT(f2fs__page, f2fs_register_inmem_page,
+
+ TP_PROTO(struct page *page, int type),
+
+ TP_ARGS(page, type)
+);
+
+DEFINE_EVENT(f2fs__page, f2fs_commit_inmem_page,
+
+ TP_PROTO(struct page *page, int type),
+
+ TP_ARGS(page, type)
+);
+
TRACE_EVENT(f2fs_writepages,
TP_PROTO(struct inode *inode, struct writeback_control *wbc, int type),
@@ -1041,6 +1067,140 @@ TRACE_EVENT(f2fs_issue_flush,
__entry->nobarrier ? "skip (nobarrier)" : "issue",
__entry->flush_merge ? " with flush_merge" : "")
);
+
+TRACE_EVENT(f2fs_lookup_extent_tree_start,
+
+ TP_PROTO(struct inode *inode, unsigned int pgofs),
+
+ TP_ARGS(inode, pgofs),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(unsigned int, pgofs)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pgofs = pgofs;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u",
+ show_dev_ino(__entry),
+ __entry->pgofs)
+);
+
+TRACE_EVENT_CONDITION(f2fs_lookup_extent_tree_end,
+
+ TP_PROTO(struct inode *inode, unsigned int pgofs,
+ struct extent_node *en),
+
+ TP_ARGS(inode, pgofs, en),
+
+ TP_CONDITION(en),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(unsigned int, pgofs)
+ __field(unsigned int, fofs)
+ __field(u32, blk)
+ __field(unsigned int, len)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pgofs = pgofs;
+ __entry->fofs = en->ei.fofs;
+ __entry->blk = en->ei.blk;
+ __entry->len = en->ei.len;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, "
+ "ext_info(fofs: %u, blk: %u, len: %u)",
+ show_dev_ino(__entry),
+ __entry->pgofs,
+ __entry->fofs,
+ __entry->blk,
+ __entry->len)
+);
+
+TRACE_EVENT(f2fs_update_extent_tree,
+
+ TP_PROTO(struct inode *inode, unsigned int pgofs, block_t blkaddr),
+
+ TP_ARGS(inode, pgofs, blkaddr),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(unsigned int, pgofs)
+ __field(u32, blk)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->pgofs = pgofs;
+ __entry->blk = blkaddr;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, pgofs = %u, blkaddr = %u",
+ show_dev_ino(__entry),
+ __entry->pgofs,
+ __entry->blk)
+);
+
+TRACE_EVENT(f2fs_shrink_extent_tree,
+
+ TP_PROTO(struct f2fs_sb_info *sbi, unsigned int node_cnt,
+ unsigned int tree_cnt),
+
+ TP_ARGS(sbi, node_cnt, tree_cnt),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(unsigned int, node_cnt)
+ __field(unsigned int, tree_cnt)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = sbi->sb->s_dev;
+ __entry->node_cnt = node_cnt;
+ __entry->tree_cnt = tree_cnt;
+ ),
+
+ TP_printk("dev = (%d,%d), shrunk: node_cnt = %u, tree_cnt = %u",
+ show_dev(__entry),
+ __entry->node_cnt,
+ __entry->tree_cnt)
+);
+
+TRACE_EVENT(f2fs_destroy_extent_tree,
+
+ TP_PROTO(struct inode *inode, unsigned int node_cnt),
+
+ TP_ARGS(inode, node_cnt),
+
+ TP_STRUCT__entry(
+ __field(dev_t, dev)
+ __field(ino_t, ino)
+ __field(unsigned int, node_cnt)
+ ),
+
+ TP_fast_assign(
+ __entry->dev = inode->i_sb->s_dev;
+ __entry->ino = inode->i_ino;
+ __entry->node_cnt = node_cnt;
+ ),
+
+ TP_printk("dev = (%d,%d), ino = %lu, destroyed: node_cnt = %u",
+ show_dev_ino(__entry),
+ __entry->node_cnt)
+);
+
#endif /* _TRACE_F2FS_H */
/* This part must be outside protection */
diff --git a/include/trace/events/filemap.h b/include/trace/events/filemap.h
index 0421f49a20f7..42febb6bc1d5 100644
--- a/include/trace/events/filemap.h
+++ b/include/trace/events/filemap.h
@@ -18,14 +18,14 @@ DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
TP_ARGS(page),
TP_STRUCT__entry(
- __field(struct page *, page)
+ __field(unsigned long, pfn)
__field(unsigned long, i_ino)
__field(unsigned long, index)
__field(dev_t, s_dev)
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page_to_pfn(page);
__entry->i_ino = page->mapping->host->i_ino;
__entry->index = page->index;
if (page->mapping->host->i_sb)
@@ -37,8 +37,8 @@ DECLARE_EVENT_CLASS(mm_filemap_op_page_cache,
TP_printk("dev %d:%d ino %lx page=%p pfn=%lu ofs=%lu",
MAJOR(__entry->s_dev), MINOR(__entry->s_dev),
__entry->i_ino,
- __entry->page,
- page_to_pfn(__entry->page),
+ pfn_to_page(__entry->pfn),
+ __entry->pfn,
__entry->index << PAGE_SHIFT)
);
diff --git a/include/trace/events/kmem.h b/include/trace/events/kmem.h
index 4ad10baecd4d..f7554fd7fc62 100644
--- a/include/trace/events/kmem.h
+++ b/include/trace/events/kmem.h
@@ -140,32 +140,55 @@ DEFINE_EVENT(kmem_free, kfree,
TP_ARGS(call_site, ptr)
);
-DEFINE_EVENT(kmem_free, kmem_cache_free,
+DEFINE_EVENT_CONDITION(kmem_free, kmem_cache_free,
TP_PROTO(unsigned long call_site, const void *ptr),
- TP_ARGS(call_site, ptr)
+ TP_ARGS(call_site, ptr),
+
+ /*
+ * This trace can be potentially called from an offlined cpu.
+ * Since trace points use RCU and RCU should not be used from
+ * offline cpus, filter such calls out.
+ * While this trace can be called from a preemptable section,
+ * it has no impact on the condition since tasks can migrate
+ * only from online cpus to other online cpus. Thus its safe
+ * to use raw_smp_processor_id.
+ */
+ TP_CONDITION(cpu_online(raw_smp_processor_id()))
);
-TRACE_EVENT(mm_page_free,
+TRACE_EVENT_CONDITION(mm_page_free,
TP_PROTO(struct page *page, unsigned int order),
TP_ARGS(page, order),
+
+ /*
+ * This trace can be potentially called from an offlined cpu.
+ * Since trace points use RCU and RCU should not be used from
+ * offline cpus, filter such calls out.
+ * While this trace can be called from a preemptable section,
+ * it has no impact on the condition since tasks can migrate
+ * only from online cpus to other online cpus. Thus its safe
+ * to use raw_smp_processor_id.
+ */
+ TP_CONDITION(cpu_online(raw_smp_processor_id())),
+
TP_STRUCT__entry(
- __field( struct page *, page )
+ __field( unsigned long, pfn )
__field( unsigned int, order )
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page_to_pfn(page);
__entry->order = order;
),
TP_printk("page=%p pfn=%lu order=%d",
- __entry->page,
- page_to_pfn(__entry->page),
+ pfn_to_page(__entry->pfn),
+ __entry->pfn,
__entry->order)
);
@@ -176,18 +199,18 @@ TRACE_EVENT(mm_page_free_batched,
TP_ARGS(page, cold),
TP_STRUCT__entry(
- __field( struct page *, page )
+ __field( unsigned long, pfn )
__field( int, cold )
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page_to_pfn(page);
__entry->cold = cold;
),
TP_printk("page=%p pfn=%lu order=0 cold=%d",
- __entry->page,
- page_to_pfn(__entry->page),
+ pfn_to_page(__entry->pfn),
+ __entry->pfn,
__entry->cold)
);
@@ -199,22 +222,22 @@ TRACE_EVENT(mm_page_alloc,
TP_ARGS(page, order, gfp_flags, migratetype),
TP_STRUCT__entry(
- __field( struct page *, page )
+ __field( unsigned long, pfn )
__field( unsigned int, order )
__field( gfp_t, gfp_flags )
__field( int, migratetype )
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page ? page_to_pfn(page) : -1UL;
__entry->order = order;
__entry->gfp_flags = gfp_flags;
__entry->migratetype = migratetype;
),
TP_printk("page=%p pfn=%lu order=%d migratetype=%d gfp_flags=%s",
- __entry->page,
- __entry->page ? page_to_pfn(__entry->page) : 0,
+ __entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
+ __entry->pfn != -1UL ? __entry->pfn : 0,
__entry->order,
__entry->migratetype,
show_gfp_flags(__entry->gfp_flags))
@@ -227,20 +250,20 @@ DECLARE_EVENT_CLASS(mm_page,
TP_ARGS(page, order, migratetype),
TP_STRUCT__entry(
- __field( struct page *, page )
+ __field( unsigned long, pfn )
__field( unsigned int, order )
__field( int, migratetype )
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page ? page_to_pfn(page) : -1UL;
__entry->order = order;
__entry->migratetype = migratetype;
),
TP_printk("page=%p pfn=%lu order=%u migratetype=%d percpu_refill=%d",
- __entry->page,
- __entry->page ? page_to_pfn(__entry->page) : 0,
+ __entry->pfn != -1UL ? pfn_to_page(__entry->pfn) : NULL,
+ __entry->pfn != -1UL ? __entry->pfn : 0,
__entry->order,
__entry->migratetype,
__entry->order == 0)
@@ -253,14 +276,37 @@ DEFINE_EVENT(mm_page, mm_page_alloc_zone_locked,
TP_ARGS(page, order, migratetype)
);
-DEFINE_EVENT_PRINT(mm_page, mm_page_pcpu_drain,
+TRACE_EVENT_CONDITION(mm_page_pcpu_drain,
TP_PROTO(struct page *page, unsigned int order, int migratetype),
TP_ARGS(page, order, migratetype),
+ /*
+ * This trace can be potentially called from an offlined cpu.
+ * Since trace points use RCU and RCU should not be used from
+ * offline cpus, filter such calls out.
+ * While this trace can be called from a preemptable section,
+ * it has no impact on the condition since tasks can migrate
+ * only from online cpus to other online cpus. Thus its safe
+ * to use raw_smp_processor_id.
+ */
+ TP_CONDITION(cpu_online(raw_smp_processor_id())),
+
+ TP_STRUCT__entry(
+ __field( unsigned long, pfn )
+ __field( unsigned int, order )
+ __field( int, migratetype )
+ ),
+
+ TP_fast_assign(
+ __entry->pfn = page ? page_to_pfn(page) : -1UL;
+ __entry->order = order;
+ __entry->migratetype = migratetype;
+ ),
+
TP_printk("page=%p pfn=%lu order=%d migratetype=%d",
- __entry->page, page_to_pfn(__entry->page),
+ pfn_to_page(__entry->pfn), __entry->pfn,
__entry->order, __entry->migratetype)
);
@@ -275,7 +321,7 @@ TRACE_EVENT(mm_page_alloc_extfrag,
alloc_migratetype, fallback_migratetype),
TP_STRUCT__entry(
- __field( struct page *, page )
+ __field( unsigned long, pfn )
__field( int, alloc_order )
__field( int, fallback_order )
__field( int, alloc_migratetype )
@@ -284,7 +330,7 @@ TRACE_EVENT(mm_page_alloc_extfrag,
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page_to_pfn(page);
__entry->alloc_order = alloc_order;
__entry->fallback_order = fallback_order;
__entry->alloc_migratetype = alloc_migratetype;
@@ -294,8 +340,8 @@ TRACE_EVENT(mm_page_alloc_extfrag,
),
TP_printk("page=%p pfn=%lu alloc_order=%d fallback_order=%d pageblock_order=%d alloc_migratetype=%d fallback_migratetype=%d fragmenting=%d change_ownership=%d",
- __entry->page,
- page_to_pfn(__entry->page),
+ pfn_to_page(__entry->pfn),
+ __entry->pfn,
__entry->alloc_order,
__entry->fallback_order,
pageblock_order,
diff --git a/include/trace/events/vmscan.h b/include/trace/events/vmscan.h
index 69590b6ffc09..f66476b96264 100644
--- a/include/trace/events/vmscan.h
+++ b/include/trace/events/vmscan.h
@@ -336,18 +336,18 @@ TRACE_EVENT(mm_vmscan_writepage,
TP_ARGS(page, reclaim_flags),
TP_STRUCT__entry(
- __field(struct page *, page)
+ __field(unsigned long, pfn)
__field(int, reclaim_flags)
),
TP_fast_assign(
- __entry->page = page;
+ __entry->pfn = page_to_pfn(page);
__entry->reclaim_flags = reclaim_flags;
),
TP_printk("page=%p pfn=%lu flags=%s",
- __entry->page,
- page_to_pfn(__entry->page),
+ pfn_to_page(__entry->pfn),
+ __entry->pfn,
show_reclaim_flags(__entry->reclaim_flags))
);
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 880dd7437172..c178d13d6f4c 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -250,7 +250,6 @@ DEFINE_EVENT(writeback_class, name, \
DEFINE_WRITEBACK_EVENT(writeback_nowork);
DEFINE_WRITEBACK_EVENT(writeback_wake_background);
DEFINE_WRITEBACK_EVENT(writeback_bdi_register);
-DEFINE_WRITEBACK_EVENT(writeback_bdi_unregister);
DECLARE_EVENT_CLASS(wbc_class,
TP_PROTO(struct writeback_control *wbc, struct backing_dev_info *bdi),