Add callchain parsing to -lpmc.

Sponsored by:	FreeBSD Foundation and Google Inc.

1 files changed, 14 insertions, 1 deletions

diff --git a/lib/libpmc/pmclog.h b/lib/libpmc/pmclog.h
index 90fb193..e3e5c89 100644
--- a/lib/libpmc/pmclog.h
+++ b/lib/libpmc/pmclog.h
@@ -1,7 +1,11 @@
 /*-
- * Copyright (c) 2005-2006 Joseph Koshy
+ * Copyright (c) 2005-2007 Joseph Koshy
+ * Copyright (c) 2007 The FreeBSD Foundation
  * All rights reserved.
  *
+ * Portions of this software were developed by A. Joseph Koshy under
+ * sponsorship from the FreeBSD Foundation and Google, Inc.
+ *
  * Redistribution and use in source and binary forms, with or without
  * modification, are permitted provided that the following conditions
  * are met:
@@ -38,6 +42,14 @@ enum pmclog_state {
 	PMCLOG_ERROR
 };
 
+struct pmclog_ev_callchain {
+	uint32_t	pl_pid;
+	uint32_t	pl_pmcid;
+	uint32_t	pl_cpuflags;
+	uint32_t	pl_npc;
+	uintfptr_t	pl_pc[PMC_CALLCHAIN_DEPTH_MAX];
+};
+
 struct pmclog_ev_dropnotify {
 };
 
@@ -125,6 +137,7 @@ struct pmclog_ev {
 	struct timespec   pl_ts;	/* log entry timestamp */
 	enum pmclog_type  pl_type;	/* type of log entry */
 	union { 			/* log entry data */
+		struct pmclog_ev_callchain	pl_cc;
 		struct pmclog_ev_closelog	pl_cl;
 		struct pmclog_ev_dropnotify	pl_dn;
 		struct pmclog_ev_initialize	pl_i;