diff options
Diffstat (limited to 'poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-ext4-indicate-via-a-block-bitmap-read-is-prefetc.patch')
| -rw-r--r-- | poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-ext4-indicate-via-a-block-bitmap-read-is-prefetc.patch | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-ext4-indicate-via-a-block-bitmap-read-is-prefetc.patch b/poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-ext4-indicate-via-a-block-bitmap-read-is-prefetc.patch new file mode 100644 index 000000000..f76e9698c --- /dev/null +++ b/poky/meta/recipes-kernel/lttng/lttng-modules/0005-fix-ext4-indicate-via-a-block-bitmap-read-is-prefetc.patch @@ -0,0 +1,63 @@ +From 52563d02a9234215b62c5f519aa1b5d8589ccd0a Mon Sep 17 00:00:00 2001 +From: Michael Jeanson <mjeanson@efficios.com> +Date: Mon, 24 Aug 2020 15:37:50 -0400 +Subject: [PATCH 05/10] =?UTF-8?q?fix:=20ext4:=20indicate=20via=20a=20block?= + =?UTF-8?q?=20bitmap=20read=20is=20prefetched=E2=80=A6=20(v5.9)?= +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +See upstream commit: + + commit ab74c7b23f3770935016e3eb3ecdf1e42b73efaa + Author: Theodore Ts'o <tytso@mit.edu> + Date: Wed Jul 15 11:48:55 2020 -0400 + + ext4: indicate via a block bitmap read is prefetched via a tracepoint + + Modify the ext4_read_block_bitmap_load tracepoint so that it tells us + whether a block bitmap is being prefetched. + +Upstream-Status: Backport + +Signed-off-by: Michael Jeanson <mjeanson@efficios.com> +Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@efficios.com> +Change-Id: I0e5e2c5b8004223d0928235c092449ee16a940e1 +--- + instrumentation/events/lttng-module/ext4.h | 14 ++++++++++++++ + 1 file changed, 14 insertions(+) + +diff --git a/instrumentation/events/lttng-module/ext4.h b/instrumentation/events/lttng-module/ext4.h +index 72ad4c9..4476abb 100644 +--- a/instrumentation/events/lttng-module/ext4.h ++++ b/instrumentation/events/lttng-module/ext4.h +@@ -893,12 +893,26 @@ LTTNG_TRACEPOINT_EVENT_INSTANCE(ext4__bitmap_load, ext4_mb_buddy_bitmap_load, + TP_ARGS(sb, group) + ) + ++#if (LINUX_VERSION_CODE >= KERNEL_VERSION(5,9,0)) ++LTTNG_TRACEPOINT_EVENT(ext4_read_block_bitmap_load, ++ TP_PROTO(struct super_block *sb, unsigned long group, bool prefetch), ++ ++ TP_ARGS(sb, group, prefetch), ++ ++ TP_FIELDS( ++ ctf_integer(dev_t, dev, sb->s_dev) ++ ctf_integer(__u32, group, group) ++ ctf_integer(bool, prefetch, prefetch) ++ ) ++) ++#else + LTTNG_TRACEPOINT_EVENT_INSTANCE(ext4__bitmap_load, ext4_read_block_bitmap_load, + + TP_PROTO(struct super_block *sb, unsigned long group), + + TP_ARGS(sb, group) + ) ++#endif + + LTTNG_TRACEPOINT_EVENT_INSTANCE(ext4__bitmap_load, ext4_load_inode_bitmap, + +-- +2.19.1 + |