diff options
| author | Frederic Weisbecker | 2008-12-24 01:43:25 +0100 |
|---|---|---|
| committer | Ingo Molnar | 2008-12-26 10:42:14 +0100 |
| commit | 412d0bb553c0227191f1bfd06100f561600bff22 (patch) | |
| tree | fc6d2d1d430eed5ea1e4125d2962a6ff32e6265b /kernel/trace/trace_functions_graph.c | |
| parent | Merge branches 'tracing/ftrace', 'tracing/hw-branch-tracing' and 'tracing/rin... (diff) | |
| download | kernel-qcow2-linux-412d0bb553c0227191f1bfd06100f561600bff22.tar.gz kernel-qcow2-linux-412d0bb553c0227191f1bfd06100f561600bff22.tar.xz kernel-qcow2-linux-412d0bb553c0227191f1bfd06100f561600bff22.zip | |
tracing/function-graph-tracer: strip ending newlines on comments
Impact: tracer output improvement
Ending newlines are appended automatically on comments by the function
graph tracer because the newline needs to be placed after the "*/"
comment characters.
So if the user puts an ending newline, we want to strip it.
Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'kernel/trace/trace_functions_graph.c')
| -rw-r--r-- | kernel/trace/trace_functions_graph.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/kernel/trace/trace_functions_graph.c b/kernel/trace/trace_functions_graph.c index 4bf39fcae97a..bc7d90850be5 100644 --- a/kernel/trace/trace_functions_graph.c +++ b/kernel/trace/trace_functions_graph.c @@ -592,6 +592,12 @@ print_graph_comment(struct print_entry *trace, struct trace_seq *s, if (ent->flags & TRACE_FLAG_CONT) trace_seq_print_cont(s, iter); + /* Strip ending newline */ + if (s->buffer[s->len - 1] == '\n') { + s->buffer[s->len - 1] = '\0'; + s->len--; + } + ret = trace_seq_printf(s, " */\n"); if (!ret) return TRACE_TYPE_PARTIAL_LINE; |