Messages in this thread Patch in this message | | | From | walimis <> | Subject | [PATCH 3/3] tracing/events: fix output format of user stack | Date | Wed, 3 Jun 2009 16:01:30 +0800 |
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According to "events/ftrace/user_stack/format", fix the output of user stack.
before fix:
sh-1073 [000] 31.137561: <b7f274fe> <- <0804e33c> <- <080835c1>
after fix:
sh-1072 [000] 37.039329: => <b7f8a4fe> => <0804e33c> => <080835c1>
Signed-off-by: walimis <walimisdev@gmail.com> --- kernel/trace/trace_output.c | 11 +++++++---- 1 files changed, 7 insertions(+), 4 deletions(-)
diff --git a/kernel/trace/trace_output.c b/kernel/trace/trace_output.c index 64596a5..8dadbbb 100644 --- a/kernel/trace/trace_output.c +++ b/kernel/trace/trace_output.c @@ -389,17 +389,20 @@ seq_print_userip_objs(const struct userstack_entry *entry, struct trace_seq *s, if (ip == ULONG_MAX || !ret) break; - if (i && ret) - ret = trace_seq_puts(s, " <- "); + if (ret) + ret = trace_seq_puts(s, " => "); if (!ip) { if (ret) ret = trace_seq_puts(s, "??"); + if (ret) + ret = trace_seq_puts(s, "\n"); continue; } if (!ret) break; if (ret) ret = seq_print_user_ip(s, mm, ip, sym_flags); + ret = trace_seq_puts(s, "\n"); } if (mm) @@ -1012,10 +1015,10 @@ static enum print_line_t trace_user_stack_print(struct trace_iterator *iter, trace_assign_type(field, iter->ent); - if (!seq_print_userip_objs(field, s, flags)) + if (!trace_seq_putc(s, '\n')) goto partial; - if (!trace_seq_putc(s, '\n')) + if (!seq_print_userip_objs(field, s, flags)) goto partial; return TRACE_TYPE_HANDLED; -- 1.6.0.3
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