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From d0eeda3f84ba1643831561a2488ca2e99e9472b1 Mon Sep 17 00:00:00 2001
From: Michael Jeanson <mjeanson@efficios.com>
Date: Tue, 7 Mar 2023 11:26:25 -0500
Subject: [PATCH 3/4] fix: btrfs: pass find_free_extent_ctl to allocator
tracepoints (v6.3)
See upstream commit :
commit cfc2de0fce015d4249c674ef9f5e0b4817ba5c53
Author: Boris Burkov <boris@bur.io>
Date: Thu Dec 15 16:06:31 2022 -0800
btrfs: pass find_free_extent_ctl to allocator tracepoints
The allocator tracepoints currently have a pile of values from ffe_ctl.
In modifying the allocator and adding more tracepoints, I found myself
adding to the already long argument list of the tracepoints. It makes it
a lot simpler to just send in the ffe_ctl itself.
Upstream-Status: Backport
Change-Id: Iab4132a9d3df3a6369591a50fb75374b1e399fa4
Signed-off-by: Michael Jeanson <mjeanson@efficios.com>
Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com>
---
include/instrumentation/events/btrfs.h | 60 +++++++++++++++++++++++++-
1 file changed, 58 insertions(+), 2 deletions(-)
diff --git a/include/instrumentation/events/btrfs.h b/include/instrumentation/events/btrfs.h
index 01157107..7c7b9b0c 100644
--- a/include/instrumentation/events/btrfs.h
+++ b/include/instrumentation/events/btrfs.h
@@ -13,6 +13,10 @@
#include <../fs/btrfs/accessors.h>
#endif
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,3,0))
+#include <../fs/btrfs/extent-tree.h>
+#endif
+
#ifndef _TRACE_BTRFS_DEF_
#define _TRACE_BTRFS_DEF_
struct btrfs_root;
@@ -1963,7 +1967,26 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserved_extent, btrfs_reserved_extent_f
#endif /* #else #if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(4,10,0)) */
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,3,0))
+LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
+
+ btrfs_find_free_extent,
+
+ TP_PROTO(const struct btrfs_root *root,
+ const struct find_free_extent_ctl *ffe_ctl),
+
+ TP_ARGS(root, ffe_ctl),
+
+ TP_FIELDS(
+ ctf_array(u8, fsid, root->lttng_fs_info_fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, root_objectid, root->root_key.objectid)
+ ctf_integer(u64, num_bytes, ffe_ctl->num_bytes)
+ ctf_integer(u64, empty_size, ffe_ctl->empty_size)
+ ctf_integer(u64, flags, ffe_ctl->flags)
+ )
+)
+
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,10,0) || \
LTTNG_KERNEL_RANGE(5,9,5, 5,10,0) || \
LTTNG_KERNEL_RANGE(5,4,78, 5,5,0) || \
LTTNG_UBUNTU_KERNEL_RANGE(5,8,18,44, 5,9,0,0))
@@ -2102,7 +2125,40 @@ LTTNG_TRACEPOINT_EVENT_MAP(find_free_extent,
)
#endif
-#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0))
+#if (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(6,3,0))
+LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,
+
+ TP_PROTO(const struct btrfs_block_group *block_group,
+ const struct find_free_extent_ctl *ffe_ctl),
+
+ TP_ARGS(block_group, ffe_ctl),
+
+ TP_FIELDS(
+ ctf_array(u8, fsid, block_group->lttng_fs_info_fsid, BTRFS_UUID_SIZE)
+ ctf_integer(u64, bg_objectid, block_group->start)
+ ctf_integer(u64, flags, block_group->flags)
+ ctf_integer(u64, start, ffe_ctl->search_start)
+ ctf_integer(u64, len, ffe_ctl->num_bytes)
+ )
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent,
+
+ TP_PROTO(const struct btrfs_block_group *block_group,
+ const struct find_free_extent_ctl *ffe_ctl),
+
+ TP_ARGS(block_group, ffe_ctl)
+)
+
+LTTNG_TRACEPOINT_EVENT_INSTANCE(btrfs__reserve_extent, btrfs_reserve_extent_cluster,
+
+ TP_PROTO(const struct btrfs_block_group *block_group,
+ const struct find_free_extent_ctl *ffe_ctl),
+
+ TP_ARGS(block_group, ffe_ctl)
+)
+
+#elif (LTTNG_LINUX_VERSION_CODE >= LTTNG_KERNEL_VERSION(5,5,0))
LTTNG_TRACEPOINT_EVENT_CLASS(btrfs__reserve_extent,
TP_PROTO(const struct btrfs_block_group *block_group, u64 start,
--
2.34.1
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