Enhancements to ktop

collector.h

+/*
+ * Copyright (c) 2011 The Chromium OS Authors. All rights reserved.
+ * Distributed under the terms of the GNU General Public License v2
+ */
+#ifndef _COLLECTOR_H_
+#define _COLLECTOR_H_
+
+#ifndef _STYLE_H_
+#include <style.h>
+#endif
+
+#ifndef _KTOP_H_
+#include <ktop.h>
+#endif
+
+enum {  BUF_SIZE = 1 << 12,
+        SMALL_READ = BUF_SIZE >> 2 };
+
+typedef struct ring_header_s {
+        u64     time_stamp;
+        unint   commit;
+        u8      data[];
+} ring_header_s;
+
+typedef struct ring_event_s {
+        u32     type_len   : 5,
+                time_delta : 27;
+        u32     array[];
+} ring_event_s;
+
+typedef struct event_s {
+        u16     type;
+        u8      flags;
+        u8      preempt_count;
+        s32     pid;
+        s32     lock_depth;
+} event_s;
+
+typedef struct sys_enter_s {
+        event_s ev;
+        snint   id;
+        unint   arg[NUM_ARGS];
+} sys_enter_s;
+
+typedef struct sys_exit_s {
+        event_s ev;
+        snint   id;
+        snint   ret;
+} sys_exit_s;
+
+typedef struct Collector_args_s {
+        int     cpu_id;
+} Collector_args_s;
+
+int open_raw(int cpu);
+void *dump_collector(void *args);
+
+#endif