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-rw-r--r--kernel/trace/trace.h2
-rw-r--r--kernel/trace/trace_functions_graph.c22
2 files changed, 13 insertions, 11 deletions
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 4388e16484f1..11a04d6eaa23 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -712,6 +712,8 @@ extern unsigned long trace_flags;
#define TRACE_GRAPH_PRINT_PROC 0x8
#define TRACE_GRAPH_PRINT_DURATION 0x10
#define TRACE_GRAPH_PRINT_ABS_TIME 0x20
+#define TRACE_GRAPH_PRINT_FILL_SHIFT 28
+#define TRACE_GRAPH_PRINT_FILL_MASK (0x3 << TRACE_GRAPH_PRINT_FILL_SHIFT)
extern enum print_line_t
print_graph_function_flags(struct trace_iterator *iter, u32 flags);
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c
index 80387d1d27e1..0b99120d395c 100644
--- a/kernel/trace/trace_functions_graph.c
+++ b/kernel/trace/trace_functions_graph.c
@@ -82,9 +82,9 @@ static struct trace_array *graph_array;
* to fill in space into DURATION column.
*/
enum {
- DURATION_FILL_FULL = -1,
- DURATION_FILL_START = -2,
- DURATION_FILL_END = -3,
+ FLAGS_FILL_FULL = 1 << TRACE_GRAPH_PRINT_FILL_SHIFT,
+ FLAGS_FILL_START = 2 << TRACE_GRAPH_PRINT_FILL_SHIFT,
+ FLAGS_FILL_END = 3 << TRACE_GRAPH_PRINT_FILL_SHIFT,
};
static enum print_line_t
@@ -702,7 +702,7 @@ print_graph_irq(struct trace_iterator *iter, unsigned long addr,
}
/* No overhead */
- ret = print_graph_duration(DURATION_FILL_START, s, flags);
+ ret = print_graph_duration(0, s, flags | FLAGS_FILL_START);
if (ret != TRACE_TYPE_HANDLED)
return ret;
@@ -714,7 +714,7 @@ print_graph_irq(struct trace_iterator *iter, unsigned long addr,
if (!ret)
return TRACE_TYPE_PARTIAL_LINE;
- ret = print_graph_duration(DURATION_FILL_END, s, flags);
+ ret = print_graph_duration(0, s, flags | FLAGS_FILL_END);
if (ret != TRACE_TYPE_HANDLED)
return ret;
@@ -779,14 +779,14 @@ print_graph_duration(unsigned long long duration, struct trace_seq *s,
return TRACE_TYPE_HANDLED;
/* No real adata, just filling the column with spaces */
- switch (duration) {
- case DURATION_FILL_FULL:
+ switch (flags & TRACE_GRAPH_PRINT_FILL_MASK) {
+ case FLAGS_FILL_FULL:
ret = trace_seq_puts(s, " | ");
return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
- case DURATION_FILL_START:
+ case FLAGS_FILL_START:
ret = trace_seq_puts(s, " ");
return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
- case DURATION_FILL_END:
+ case FLAGS_FILL_END:
ret = trace_seq_puts(s, " |");
return ret ? TRACE_TYPE_HANDLED : TRACE_TYPE_PARTIAL_LINE;
}
@@ -902,7 +902,7 @@ print_graph_entry_nested(struct trace_iterator *iter,
}
/* No time */
- ret = print_graph_duration(DURATION_FILL_FULL, s, flags);
+ ret = print_graph_duration(0, s, flags | FLAGS_FILL_FULL);
if (ret != TRACE_TYPE_HANDLED)
return ret;
@@ -1222,7 +1222,7 @@ print_graph_comment(struct trace_seq *s, struct trace_entry *ent,
return TRACE_TYPE_PARTIAL_LINE;
/* No time */
- ret = print_graph_duration(DURATION_FILL_FULL, s, flags);
+ ret = print_graph_duration(0, s, flags | FLAGS_FILL_FULL);
if (ret != TRACE_TYPE_HANDLED)
return ret;