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tracing/ftrace: adapt mmiotrace to the new type of print_line

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Adapt mmiotrace to the new print_line type.
By default, it ignores (and consumes) types it doesn't support.

Signed-off-by: Frederic Weisbecker <fweisbec@gmail.com>
Acked-by: Pekka Paalanen <pq@iki.fi>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Frederic Weisbecker 2008-09-29 20:27:42 +02:00 committed by Ingo Molnar
parent 9ff4b9744c
commit 07f4e4f790
1 changed files with 12 additions and 13 deletions
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25
kernel/trace/trace_mmiotrace.c
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@ -175,7 +175,7 @@ print_out:
return (ret == -EBUSY) ? 0 : ret; return (ret == -EBUSY) ? 0 : ret;
} }
static int mmio_print_rw(struct trace_iterator *iter) static enum print_line_t mmio_print_rw(struct trace_iterator *iter)
{ {
struct trace_entry *entry = iter->ent; struct trace_entry *entry = iter->ent;
struct trace_mmiotrace_rw *field = struct trace_mmiotrace_rw *field =
@ -215,11 +215,11 @@ static int mmio_print_rw(struct trace_iterator *iter)
break; break;
} }
if (ret) if (ret)
return 1; return TRACE_TYPE_HANDLED;
return 0; return TRACE_TYPE_PARTIAL_LINE;
} }
static int mmio_print_map(struct trace_iterator *iter) static enum print_line_t mmio_print_map(struct trace_iterator *iter)
{ {
struct trace_entry *entry = iter->ent; struct trace_entry *entry = iter->ent;
struct mmiotrace_map *m = (struct mmiotrace_map *)entry; struct mmiotrace_map *m = (struct mmiotrace_map *)entry;
@ -227,7 +227,7 @@ static int mmio_print_map(struct trace_iterator *iter)
unsigned long long t = ns2usecs(iter->ts); unsigned long long t = ns2usecs(iter->ts);
unsigned long usec_rem = do_div(t, 1000000ULL); unsigned long usec_rem = do_div(t, 1000000ULL);
unsigned secs = (unsigned long)t; unsigned secs = (unsigned long)t;
int ret = 1; int ret;
switch (m->opcode) { switch (m->opcode) {
case MMIO_PROBE: case MMIO_PROBE:
@ -247,11 +247,11 @@ static int mmio_print_map(struct trace_iterator *iter)
break; break;
} }
if (ret) if (ret)
return 1; return TRACE_TYPE_HANDLED;
return 0; return TRACE_TYPE_PARTIAL_LINE;
} }
static int mmio_print_mark(struct trace_iterator *iter) static enum print_line_t mmio_print_mark(struct trace_iterator *iter)
{ {
struct trace_entry *entry = iter->ent; struct trace_entry *entry = iter->ent;
struct print_entry *print = (struct print_entry *)entry; struct print_entry *print = (struct print_entry *)entry;
@ -265,16 +265,15 @@ static int mmio_print_mark(struct trace_iterator *iter)
/* The trailing newline must be in the message. */ /* The trailing newline must be in the message. */
ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg); ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg);
if (!ret) if (!ret)
return 0; return TRACE_TYPE_PARTIAL_LINE;
if (entry->flags & TRACE_FLAG_CONT) if (entry->flags & TRACE_FLAG_CONT)
trace_seq_print_cont(s, iter); trace_seq_print_cont(s, iter);
return 1; return TRACE_TYPE_HANDLED;
} }
/* return 0 to abort printing without consuming current entry in pipe mode */ static enum print_line_t mmio_print_line(struct trace_iterator *iter)
static int mmio_print_line(struct trace_iterator *iter)
{ {
switch (iter->ent->type) { switch (iter->ent->type) {
case TRACE_MMIO_RW: case TRACE_MMIO_RW:
@ -284,7 +283,7 @@ static int mmio_print_line(struct trace_iterator *iter)
case TRACE_PRINT: case TRACE_PRINT:
return mmio_print_mark(iter); return mmio_print_mark(iter);
default: default:
return 1; /* ignore unknown entries */ return TRACE_TYPE_HANDLED; /* ignore unknown entries */
} }
} }