1 files changed, 74 insertions, 0 deletions
diff --git a/plugins/plugin_hrtimer.c b/plugins/plugin_hrtimer.c
new file mode 100644
index 0000000..d984667
--- /dev/null
+++ b/plugins/plugin_hrtimer.c
@@ -0,0 +1,74 @@
+// SPDX-License-Identifier: LGPL-2.1
+/*
+ * Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
+ * Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
+ */
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "event-parse.h"
+#include "trace-seq.h"
+
+static int timer_expire_handler(struct trace_seq *s,
+				struct tep_record *record,
+				struct tep_event *event, void *context)
+{
+	trace_seq_printf(s, "hrtimer=");
+
+	if (tep_print_num_field(s, "0x%llx", event, "timer",
+				record, 0) == -1)
+		tep_print_num_field(s, "0x%llx", event, "hrtimer",
+				    record, 1);
+
+	trace_seq_printf(s, " now=");
+
+	tep_print_num_field(s, "%llu", event, "now", record, 1);
+
+	tep_print_func_field(s, " function=%s", event, "function",
+				record, 0);
+	return 0;
+}
+
+static int timer_start_handler(struct trace_seq *s,
+			       struct tep_record *record,
+			       struct tep_event *event, void *context)
+{
+	trace_seq_printf(s, "hrtimer=");
+
+	if (tep_print_num_field(s, "0x%llx", event, "timer",
+				record, 0) == -1)
+		tep_print_num_field(s, "0x%llx", event, "hrtimer",
+				    record, 1);
+
+	tep_print_func_field(s, " function=%s", event, "function",
+			     record, 0);
+
+	trace_seq_printf(s, " expires=");
+	tep_print_num_field(s, "%llu", event, "expires", record, 1);
+
+	trace_seq_printf(s, " softexpires=");
+	tep_print_num_field(s, "%llu", event, "softexpires", record, 1);
+	return 0;
+}
+
+int TEP_PLUGIN_LOADER(struct tep_handle *tep)
+{
+	tep_register_event_handler(tep, -1,
+				   "timer", "hrtimer_expire_entry",
+				   timer_expire_handler, NULL);
+
+	tep_register_event_handler(tep, -1, "timer", "hrtimer_start",
+				   timer_start_handler, NULL);
+	return 0;
+}
+
+void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
+{
+	tep_unregister_event_handler(tep, -1,
+				     "timer", "hrtimer_expire_entry",
+				     timer_expire_handler, NULL);
+
+	tep_unregister_event_handler(tep, -1, "timer", "hrtimer_start",
+				     timer_start_handler, NULL);
+}