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x86 mmiotrace: Do not print bogus pid 

Non-zero pid indicates the MMIO access originated in user space.
We do not catch that kind of accesses yet, so always print zero for now.

Signed-off-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
This commit is contained in:
Pekka Paalanen 2008-05-12 21:20:59 +02:00 committed by Thomas Gleixner
parent e4b37ee686
commit 736ca61fa8
1 changed files with 3 additions and 3 deletions
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6
kernel/trace/trace_mmiotrace.c
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@ -117,20 +117,20 @@ static int mmio_print_rw(struct trace_iterator *iter)
ret = trace_seq_printf(s,
"R %d %lu.%06lu %d 0x%lx 0x%lx 0x%lx %d\n",
rw->width, secs, usec_rem, rw->map_id, rw->phys,
rw->value, rw->pc, entry->pid);
rw->value, rw->pc, 0);
break;
case MMIO_WRITE:
ret = trace_seq_printf(s,
"W %d %lu.%06lu %d 0x%lx 0x%lx 0x%lx %d\n",
rw->width, secs, usec_rem, rw->map_id, rw->phys,
rw->value, rw->pc, entry->pid);
rw->value, rw->pc, 0);
break;
case MMIO_UNKNOWN_OP:
ret = trace_seq_printf(s,
"UNKNOWN %lu.%06lu %d 0x%lx %02x,%02x,%02x 0x%lx %d\n",
secs, usec_rem, rw->map_id, rw->phys,
(rw->value >> 16) & 0xff, (rw->value >> 8) & 0xff,
(rw->value >> 0) & 0xff, rw->pc, entry->pid);
(rw->value >> 0) & 0xff, rw->pc, 0);
break;
default:
ret = trace_seq_printf(s, "rw what?\n");