diff mbox series

[v2,2/2] ftrace: Expose call graph depth as unsigned int

Message ID 20250412221847.17310-3-iii@linux.ibm.com (mailing list archive)
State New
Headers show
Series ftrace: Expose call graph depth as unsigned int | expand

Commit Message

Ilya Leoshkevich April 12, 2025, 10:10 p.m. UTC 
Depth is stored as int because the code uses negative values to break
out of iterations. But what is recorded is always zero or positive. So
expose it as unsigned int instead of int.

Signed-off-by: Ilya Leoshkevich <iii@linux.ibm.com>
---
 kernel/trace/trace_entries.h | 12 ++++++------
 1 file changed, 6 insertions(+), 6 deletions(-)
diff mbox series

Patch

diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index 4ef4df6623a8..de294ae2c5c5 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -97,11 +97,11 @@  FTRACE_ENTRY_PACKED(fgraph_retaddr_entry, fgraph_retaddr_ent_entry,
 	F_STRUCT(
 		__field_struct(	struct fgraph_retaddr_ent,	graph_ent	)
 		__field_packed(	unsigned long,	graph_ent,	func		)
-		__field_packed(	int,		graph_ent,	depth		)
+		__field_packed(	unsigned int,	graph_ent,	depth		)
 		__field_packed(	unsigned long,	graph_ent,	retaddr		)
 	),
 
-	F_printk("--> %ps (%d) <- %ps", (void *)__entry->func, __entry->depth,
+	F_printk("--> %ps (%u) <- %ps", (void *)__entry->func, __entry->depth,
 		(void *)__entry->retaddr)
 );
 
@@ -124,13 +124,13 @@  FTRACE_ENTRY_PACKED(funcgraph_exit, ftrace_graph_ret_entry,
 		__field_struct(	struct ftrace_graph_ret,	ret	)
 		__field_packed(	unsigned long,	ret,		func	)
 		__field_packed(	unsigned long,	ret,		retval	)
-		__field_packed(	int,		ret,		depth	)
+		__field_packed(	unsigned int,	ret,		depth	)
 		__field_packed(	unsigned int,	ret,		overrun	)
 		__field(unsigned long long,	calltime		)
 		__field(unsigned long long,	rettime			)
 	),
 
-	F_printk("<-- %ps (%d) (start: %llx  end: %llx) over: %d retval: %lx",
+	F_printk("<-- %ps (%u) (start: %llx  end: %llx) over: %u retval: %lx",
 		 (void *)__entry->func, __entry->depth,
 		 __entry->calltime, __entry->rettime,
 		 __entry->depth, __entry->retval)
@@ -146,13 +146,13 @@  FTRACE_ENTRY_PACKED(funcgraph_exit, ftrace_graph_ret_entry,
 	F_STRUCT(
 		__field_struct(	struct ftrace_graph_ret,	ret	)
 		__field_packed(	unsigned long,	ret,		func	)
-		__field_packed(	int,		ret,		depth	)
+		__field_packed(	unsigned int,	ret,		depth	)
 		__field_packed(	unsigned int,	ret,		overrun	)
 		__field(unsigned long long,	calltime		)
 		__field(unsigned long long,	rettime			)
 	),
 
-	F_printk("<-- %ps (%d) (start: %llx  end: %llx) over: %d",
+	F_printk("<-- %ps (%u) (start: %llx  end: %llx) over: %u",
 		 (void *)__entry->func, __entry->depth,
 		 __entry->calltime, __entry->rettime,
 		 __entry->depth)