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blktrace: pdu_buf of pc events should be unsigned

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I got this:
  8,0    1   305.417782332  2037  I   R 32 (ffffff9e 10 00 ...) [bash]

It should be:
  8,0    1   305.417782332  2037  I   R 32 (9e 10 00 ...) [bash]

[ Impact: fix output of pc events ]

Signed-off-by: Li Zefan <lizf@cn.fujitsu.com>
Cc: Jens Axboe <jens.axboe@oracle.com>
Cc: Arnaldo Carvalho de Melo <acme@redhat.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Cc: Frederic Weisbecker <fweisbec@gmail.com>
LKML-Reference: <4A07C6B3.9080802@cn.fujitsu.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Li Zefan 2009-05-11 14:33:23 +08:00 committed by Ingo Molnar
parent 4671c79408
commit 0498625793
1 changed files with 1 additions and 1 deletions
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2
kernel/trace/blktrace.c
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@ -1065,7 +1065,7 @@ static int blk_log_action(struct trace_iterator *iter, const char *act)
static int blk_log_dump_pdu(struct trace_seq *s, const struct trace_entry *ent)
{
const char *pdu_buf;
const unsigned char *pdu_buf;
int pdu_len;
int i, end, ret;