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-rw-r--r--include/trace/events/maple_tree.h123
-rw-r--r--include/trace/events/mmap.h73
-rw-r--r--include/trace/events/mmflags.h1
-rw-r--r--include/trace/events/writeback.h5
4 files changed, 201 insertions, 1 deletions
diff --git a/include/trace/events/maple_tree.h b/include/trace/events/maple_tree.h
new file mode 100644
index 000000000000..2be403bdc2bd
--- /dev/null
+++ b/include/trace/events/maple_tree.h
@@ -0,0 +1,123 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+#undef TRACE_SYSTEM
+#define TRACE_SYSTEM maple_tree
+
+#if !defined(_TRACE_MM_H) || defined(TRACE_HEADER_MULTI_READ)
+#define _TRACE_MM_H
+
+
+#include <linux/tracepoint.h>
+
+struct ma_state;
+
+TRACE_EVENT(ma_op,
+
+ TP_PROTO(const char *fn, struct ma_state *mas),
+
+ TP_ARGS(fn, mas),
+
+ TP_STRUCT__entry(
+ __field(const char *, fn)
+ __field(unsigned long, min)
+ __field(unsigned long, max)
+ __field(unsigned long, index)
+ __field(unsigned long, last)
+ __field(void *, node)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->min = mas->min;
+ __entry->max = mas->max;
+ __entry->index = mas->index;
+ __entry->last = mas->last;
+ __entry->node = mas->node;
+ ),
+
+ TP_printk("%s\tNode: %p (%lu %lu) range: %lu-%lu",
+ __entry->fn,
+ (void *) __entry->node,
+ (unsigned long) __entry->min,
+ (unsigned long) __entry->max,
+ (unsigned long) __entry->index,
+ (unsigned long) __entry->last
+ )
+)
+TRACE_EVENT(ma_read,
+
+ TP_PROTO(const char *fn, struct ma_state *mas),
+
+ TP_ARGS(fn, mas),
+
+ TP_STRUCT__entry(
+ __field(const char *, fn)
+ __field(unsigned long, min)
+ __field(unsigned long, max)
+ __field(unsigned long, index)
+ __field(unsigned long, last)
+ __field(void *, node)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->min = mas->min;
+ __entry->max = mas->max;
+ __entry->index = mas->index;
+ __entry->last = mas->last;
+ __entry->node = mas->node;
+ ),
+
+ TP_printk("%s\tNode: %p (%lu %lu) range: %lu-%lu",
+ __entry->fn,
+ (void *) __entry->node,
+ (unsigned long) __entry->min,
+ (unsigned long) __entry->max,
+ (unsigned long) __entry->index,
+ (unsigned long) __entry->last
+ )
+)
+
+TRACE_EVENT(ma_write,
+
+ TP_PROTO(const char *fn, struct ma_state *mas, unsigned long piv,
+ void *val),
+
+ TP_ARGS(fn, mas, piv, val),
+
+ TP_STRUCT__entry(
+ __field(const char *, fn)
+ __field(unsigned long, min)
+ __field(unsigned long, max)
+ __field(unsigned long, index)
+ __field(unsigned long, last)
+ __field(unsigned long, piv)
+ __field(void *, val)
+ __field(void *, node)
+ ),
+
+ TP_fast_assign(
+ __entry->fn = fn;
+ __entry->min = mas->min;
+ __entry->max = mas->max;
+ __entry->index = mas->index;
+ __entry->last = mas->last;
+ __entry->piv = piv;
+ __entry->val = val;
+ __entry->node = mas->node;
+ ),
+
+ TP_printk("%s\tNode %p (%lu %lu) range:%lu-%lu piv (%lu) val %p",
+ __entry->fn,
+ (void *) __entry->node,
+ (unsigned long) __entry->min,
+ (unsigned long) __entry->max,
+ (unsigned long) __entry->index,
+ (unsigned long) __entry->last,
+ (unsigned long) __entry->piv,
+ (void *) __entry->val
+ )
+)
+#endif /* _TRACE_MM_H */
+
+/* This part must be outside protection */
+#include <trace/define_trace.h>
diff --git a/include/trace/events/mmap.h b/include/trace/events/mmap.h
index 4661f7ba07c0..216de5f03621 100644
--- a/include/trace/events/mmap.h
+++ b/include/trace/events/mmap.h
@@ -42,6 +42,79 @@ TRACE_EVENT(vm_unmapped_area,
__entry->low_limit, __entry->high_limit, __entry->align_mask,
__entry->align_offset)
);
+
+TRACE_EVENT(vma_mas_szero,
+ TP_PROTO(struct maple_tree *mt, unsigned long start,
+ unsigned long end),
+
+ TP_ARGS(mt, start, end),
+
+ TP_STRUCT__entry(
+ __field(struct maple_tree *, mt)
+ __field(unsigned long, start)
+ __field(unsigned long, end)
+ ),
+
+ TP_fast_assign(
+ __entry->mt = mt;
+ __entry->start = start;
+ __entry->end = end;
+ ),
+
+ TP_printk("mt_mod %p, (NULL), SNULL, %lu, %lu,",
+ __entry->mt,
+ (unsigned long) __entry->start,
+ (unsigned long) __entry->end
+ )
+);
+
+TRACE_EVENT(vma_store,
+ TP_PROTO(struct maple_tree *mt, struct vm_area_struct *vma),
+
+ TP_ARGS(mt, vma),
+
+ TP_STRUCT__entry(
+ __field(struct maple_tree *, mt)
+ __field(struct vm_area_struct *, vma)
+ __field(unsigned long, vm_start)
+ __field(unsigned long, vm_end)
+ ),
+
+ TP_fast_assign(
+ __entry->mt = mt;
+ __entry->vma = vma;
+ __entry->vm_start = vma->vm_start;
+ __entry->vm_end = vma->vm_end - 1;
+ ),
+
+ TP_printk("mt_mod %p, (%p), STORE, %lu, %lu,",
+ __entry->mt, __entry->vma,
+ (unsigned long) __entry->vm_start,
+ (unsigned long) __entry->vm_end
+ )
+);
+
+
+TRACE_EVENT(exit_mmap,
+ TP_PROTO(struct mm_struct *mm),
+
+ TP_ARGS(mm),
+
+ TP_STRUCT__entry(
+ __field(struct mm_struct *, mm)
+ __field(struct maple_tree *, mt)
+ ),
+
+ TP_fast_assign(
+ __entry->mm = mm;
+ __entry->mt = &mm->mm_mt;
+ ),
+
+ TP_printk("mt_mod %p, DESTROY\n",
+ __entry->mt
+ )
+);
+
#endif
/* This part must be outside protection */
diff --git a/include/trace/events/mmflags.h b/include/trace/events/mmflags.h
index e87cb2b80ed3..11524cda4a95 100644
--- a/include/trace/events/mmflags.h
+++ b/include/trace/events/mmflags.h
@@ -31,7 +31,6 @@
gfpflag_string(__GFP_HIGHMEM), \
gfpflag_string(GFP_DMA32), \
gfpflag_string(__GFP_HIGH), \
- gfpflag_string(__GFP_ATOMIC), \
gfpflag_string(__GFP_IO), \
gfpflag_string(__GFP_FS), \
gfpflag_string(__GFP_NOWARN), \
diff --git a/include/trace/events/writeback.h b/include/trace/events/writeback.h
index 86b2a82da546..cdb822339f13 100644
--- a/include/trace/events/writeback.h
+++ b/include/trace/events/writeback.h
@@ -258,6 +258,11 @@ TRACE_EVENT(track_foreign_dirty,
__entry->ino = inode ? inode->i_ino : 0;
__entry->memcg_id = wb->memcg_css->id;
__entry->cgroup_ino = __trace_wb_assign_cgroup(wb);
+ /*
+ * TP_fast_assign() is under preemption disabled which can
+ * serve as an RCU read-side critical section so that the
+ * memcg returned by folio_memcg() cannot be freed.
+ */
__entry->page_cgroup_ino = cgroup_ino(folio_memcg(folio)->css.cgroup);
),
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