[profiler] Emit sync point events when flushing all buffers.

[mono.git] / mono / profiler / decode.c

diff --git a/mono/profiler/decode.c b/mono/profiler/decode.c
index 35ecd56c78aed7c2ef4e1cb7b6546b4ab01ffa10..aa490727e67b2cd7bd2c3bb1d4bb8842bcbb4556 100644 (file)
--- a/mono/profiler/decode.c
+++ b/mono/profiler/decode.c
@@ -1872,6 +1872,18 @@ gc_event_name (int ev)
        }
 }
 
+static const char*
+sync_point_name (int type)
+{
+       switch (type) {
+       case SYNC_POINT_PERIODIC: return "periodic";
+       case SYNC_POINT_WORLD_STOP: return "world stop";
+       case SYNC_POINT_WORLD_START: return "world start";
+       default:
+               return "unknown";
+       }
+}
+
 static uint64_t clause_summary [MONO_EXCEPTION_CLAUSE_FAULT + 1];
 static uint64_t throw_count = 0;
 static TraceDesc exc_traces;
@@ -3035,6 +3047,18 @@ decode_buffer (ProfContext *ctx)
                        }
                        break;
                }
+               case TYPE_META: {
+                       int subtype = *p & 0xf0;
+                       uint64_t tdiff = decode_uleb128 (p + 1, &p);
+                       LOG_TIME (time_base, tdiff);
+                       time_base += tdiff;
+                       if (subtype == TYPE_SYNC_POINT) {
+                               int type = *p++;
+                               if (debug)
+                                       fprintf (outfile, "sync point %i (%s)\n", type, sync_point_name (type));
+                       }
+                       break;
+               }
                default:
                        fprintf (outfile, "unhandled profiler event: 0x%x at file offset: %llu + %lld (len: %d\n)\n", *p, (unsigned long long) file_offset, (long long) (p - ctx->buf), len);
                        exit (1);
@@ -3794,6 +3818,8 @@ dump_stats (void)
        DUMP_EVENT_STAT (TYPE_COVERAGE, TYPE_COVERAGE_METHOD);
        DUMP_EVENT_STAT (TYPE_COVERAGE, TYPE_COVERAGE_STATEMENT);
        DUMP_EVENT_STAT (TYPE_COVERAGE, TYPE_COVERAGE_CLASS);
+
+       DUMP_EVENT_STAT (TYPE_META, TYPE_SYNC_POINT);
 }