From e5d2abb56ca57a613e4ef9398a6499190b2265be Mon Sep 17 00:00:00 2001
From: hunt <hunt>
Date: Sat, 18 Jun 2005 07:24:42 +0000
Subject: 2005-06-18  Martin Hunt  <hunt@redhat.com>

	* counter.c: New file. Counter aggregations.

	* stat.c: New file. Stat aggregations.

	* stat.h: Header file for stats.

	* map-int.c: New file. Support for int64 values.

	* map-stat.c: New file. Support for stat values.

	* map-str.c: New file. Support for string values.

	* map-values.c: Now just includes the necessary map-*.c files.

	* stat-common.c: New file. Stats stuff common to Stats and maps
	containing stats.

	* Doxyfile: Bumped version to 0.6.

	* README: Renamed README.doc and reorganized.
---
 runtime/stat.h | 37 +++++++++++++++++++++++++++++++++++++
 1 file changed, 37 insertions(+)
 create mode 100644 runtime/stat.h

(limited to 'runtime/stat.h')

diff --git a/runtime/stat.h b/runtime/stat.h
new file mode 100644
index 00000000..50dfc458
--- /dev/null
+++ b/runtime/stat.h
@@ -0,0 +1,37 @@
+#ifndef _STAT_H_ /* -*- linux-c -*- */
+#define _STAT_H_
+
+#ifndef NEED_STAT_LOCKS
+#define NEED_STAT_LOCKS 0
+#endif
+
+/** histogram type */
+enum histtype { HIST_NONE, HIST_LOG, HIST_LINEAR };
+
+/** Statistics are stored in this struct.  This is per-cpu or per-node data 
+    and is variable length due to the unknown size of the histogram. */
+struct stat_data {
+	int64_t count;
+	int64_t sum;
+	int64_t min, max;
+#if NEED_STAT_LOCKS == 1
+	spinlock_t lock;
+#endif
+	int64_t histogram[];
+};
+
+typedef struct stat_data stat;
+
+struct _Stat {
+	enum histtype hist_type;
+	int hist_start;
+	int hist_stop;
+	int hist_int;
+	int hist_buckets;
+	struct stat_data *sd;
+	struct stat_data *agg;
+};
+
+typedef struct _Stat *Stat;
+
+#endif /* _STAT_H_ */
-- 
cgit