diff options
| -rw-r--r-- | trace/simple.c | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/trace/simple.c b/trace/simple.c index bb0b52ce02..5a2e188c9a 100644 --- a/trace/simple.c +++ b/trace/simple.c @@ -75,6 +75,7 @@ uint8_t trace_buf[TRACE_BUF_LEN]; static volatile gint trace_idx; static unsigned int writeout_idx; static volatile gint dropped_events; +static uint32_t trace_pid; static FILE *trace_fp; static char *trace_file_name; @@ -83,7 +84,7 @@ typedef struct { uint64_t event; /* TraceEventID */ uint64_t timestamp_ns; uint32_t length; /* in bytes */ - uint32_t reserved; /* unused */ + uint32_t pid; uint64_t arguments[]; } TraceRecord; @@ -190,7 +191,7 @@ static gpointer writeout_thread(gpointer opaque) dropped.rec.event = DROPPED_EVENT_ID, dropped.rec.timestamp_ns = get_clock(); dropped.rec.length = sizeof(TraceRecord) + sizeof(uint64_t), - dropped.rec.reserved = 0; + dropped.rec.pid = trace_pid; do { dropped_count = g_atomic_int_get(&dropped_events); } while (!g_atomic_int_compare_and_exchange(&dropped_events, @@ -249,6 +250,7 @@ int trace_record_start(TraceBufferRecord *rec, TraceEventID event, size_t datasi rec_off = write_to_buffer(rec_off, &event_u64, sizeof(event_u64)); rec_off = write_to_buffer(rec_off, ×tamp_ns, sizeof(timestamp_ns)); rec_off = write_to_buffer(rec_off, &rec_len, sizeof(rec_len)); + rec_off = write_to_buffer(rec_off, &trace_pid, sizeof(trace_pid)); rec->tbuf_idx = idx; rec->rec_off = (idx + sizeof(TraceRecord)) % TRACE_BUF_LEN; @@ -414,6 +416,8 @@ bool trace_backend_init(const char *events, const char *file) { GThread *thread; + trace_pid = getpid(); + #if !GLIB_CHECK_VERSION(2, 31, 0) trace_available_cond = g_cond_new(); trace_empty_cond = g_cond_new(); |