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Subject[PATCH 1/2] ftrace: Correct a text align for event format output
If we cat debugfs/tracing/events/ftrace/bprint/format, we'll see:
name: bprint
ID: 6
format:
field:unsigned char common_type; offset:0; size:1;
field:unsigned char common_flags; offset:1; size:1;
field:unsigned char common_preempt_count; offset:2; size:1;
field:int common_pid; offset:4; size:4;
field:int common_tgid; offset:8; size:4;

field:unsigned long ip; offset:12; size:4;
field:char * fmt; offset:16; size:4;
field: char buf; offset:20; size:0;

print fmt: "%08lx (%d) fmt:%p %s"

There is a redundant blank before char buf, and it need to be deleted.

Signed-off-by: Zhao Lei <zhaolei@cn.fujitsu.com>
---
kernel/trace/trace_export.c | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/kernel/trace/trace_export.c b/kernel/trace/trace_export.c
index 4d9952d..07a22c3 100644
--- a/kernel/trace/trace_export.c
+++ b/kernel/trace/trace_export.c
@@ -40,7 +40,7 @@

#undef TRACE_FIELD_ZERO_CHAR
#define TRACE_FIELD_ZERO_CHAR(item) \
- ret = trace_seq_printf(s, "\tfield: char " #item ";\t" \
+ ret = trace_seq_printf(s, "\tfield:char " #item ";\t" \
"offset:%u;\tsize:0;\n", \
(unsigned int)offsetof(typeof(field), item)); \
if (!ret) \
--
1.5.5.3



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