trace_empty is checking in while-loop, so the previous checking is totally redundant, and more worse, the first trace entry is losted.
so remove it. Signed-off-by: zhangwei(Jovi) <[email protected]> --- kernel/trace/trace_kdb.c | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/kernel/trace/trace_kdb.c b/kernel/trace/trace_kdb.c index 3c5c5df..6489b2e 100644 --- a/kernel/trace/trace_kdb.c +++ b/kernel/trace/trace_kdb.c @@ -57,8 +57,7 @@ static void ftrace_dump_buf(int skip_lines, long cpu_file) ring_buffer_read_start(iter.buffer_iter[cpu_file]); tracing_iter_reset(&iter, cpu_file); } - if (!trace_empty(&iter)) - trace_find_next_entry_inc(&iter); + while (!trace_empty(&iter)) { if (!cnt) kdb_printf("---------------------------------\n"); -- 1.7.9.7 -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
