diff options
Diffstat (limited to 'kernel/trace/trace_mmiotrace.c')
| -rw-r--r-- | kernel/trace/trace_mmiotrace.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c index 767d1faf56e5..a108c326f36e 100644 --- a/kernel/trace/trace_mmiotrace.c +++ b/kernel/trace/trace_mmiotrace.c @@ -245,6 +245,27 @@ static int mmio_print_map(struct trace_iterator *iter) return 0; } +static int mmio_print_mark(struct trace_iterator *iter) +{ + struct trace_entry *entry = iter->ent; + const char *msg = entry->field.print.buf; + struct trace_seq *s = &iter->seq; + unsigned long long t = ns2usecs(entry->field.t); + unsigned long usec_rem = do_div(t, 1000000ULL); + unsigned secs = (unsigned long)t; + int ret; + + /* The trailing newline must be in the message. */ + ret = trace_seq_printf(s, "MARK %lu.%06lu %s", secs, usec_rem, msg); + if (!ret) + return 0; + + if (entry->field.flags & TRACE_FLAG_CONT) + trace_seq_print_cont(s, iter); + + return 1; +} + /* return 0 to abort printing without consuming current entry in pipe mode */ static int mmio_print_line(struct trace_iterator *iter) { @@ -253,6 +274,8 @@ static int mmio_print_line(struct trace_iterator *iter) return mmio_print_rw(iter); case TRACE_MMIO_MAP: return mmio_print_map(iter); + case TRACE_PRINT: + return mmio_print_mark(iter); default: return 1; /* ignore unknown entries */ } |