1 files changed, 88 insertions, 0 deletions

diff --git a/tools/lib/traceevent/plugin_hrtimer.c b/tools/lib/traceevent/plugin_hrtimer.c
new file mode 100644
index 000000000000..12bf14cc1152
--- /dev/null
+++ b/tools/lib/traceevent/plugin_hrtimer.c
@@ -0,0 +1,88 @@
+/*
+ * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
+ * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation;
+ * version 2.1 of the License (not later!)
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this program; if not,  see <http://www.gnu.org/licenses>
+ *
+ * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "event-parse.h"
+
+static int timer_expire_handler(struct trace_seq *s,
+                                struct pevent_record *record,
+                                struct event_format *event, void *context)
+{
+        trace_seq_printf(s, "hrtimer=");
+
+        if (pevent_print_num_field(s, "0x%llx", event, "timer",
+                                   record, 0) == -1)
+                pevent_print_num_field(s, "0x%llx", event, "hrtimer",
+                                       record, 1);
+
+        trace_seq_printf(s, " now=");
+
+        pevent_print_num_field(s, "%llu", event, "now", record, 1);
+
+        pevent_print_func_field(s, " function=%s", event, "function",
+                                record, 0);
+        return 0;
+}
+
+static int timer_start_handler(struct trace_seq *s,
+                               struct pevent_record *record,
+                               struct event_format *event, void *context)
+{
+        trace_seq_printf(s, "hrtimer=");
+
+        if (pevent_print_num_field(s, "0x%llx", event, "timer",
+                                   record, 0) == -1)
+                pevent_print_num_field(s, "0x%llx", event, "hrtimer",
+                                       record, 1);
+
+        pevent_print_func_field(s, " function=%s", event, "function",
+                                record, 0);
+
+        trace_seq_printf(s, " expires=");
+        pevent_print_num_field(s, "%llu", event, "expires", record, 1);
+
+        trace_seq_printf(s, " softexpires=");
+        pevent_print_num_field(s, "%llu", event, "softexpires", record, 1);
+        return 0;
+}
+
+int PEVENT_PLUGIN_LOADER(struct pevent *pevent)
+{
+        pevent_register_event_handler(pevent, -1,
+                                      "timer", "hrtimer_expire_entry",
+                                      timer_expire_handler, NULL);
+
+        pevent_register_event_handler(pevent, -1, "timer", "hrtimer_start",
+                                      timer_start_handler, NULL);
+        return 0;
+}
+
+void PEVENT_PLUGIN_UNLOADER(struct pevent *pevent)
+{
+        pevent_unregister_event_handler(pevent, -1,
+                                        "timer", "hrtimer_expire_entry",
+                                        timer_expire_handler, NULL);
+
+        pevent_unregister_event_handler(pevent, -1, "timer", "hrtimer_start",
+                                        timer_start_handler, NULL);
+}