75 lines
1.9 KiB
C
75 lines
1.9 KiB
C
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// SPDX-License-Identifier: LGPL-2.1
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/*
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* Copyright (C) 2009 Red Hat Inc, Steven Rostedt <srostedt@redhat.com>
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* Copyright (C) 2009 Johannes Berg <johannes@sipsolutions.net>
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "event-parse.h"
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#include "trace-seq.h"
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static int timer_expire_handler(struct trace_seq *s,
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struct tep_record *record,
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struct tep_event *event, void *context)
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{
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trace_seq_printf(s, "hrtimer=");
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if (tep_print_num_field(s, "0x%llx", event, "timer",
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record, 0) == -1)
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tep_print_num_field(s, "0x%llx", event, "hrtimer",
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record, 1);
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trace_seq_printf(s, " now=");
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tep_print_num_field(s, "%llu", event, "now", record, 1);
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tep_print_func_field(s, " function=%s", event, "function",
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record, 0);
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return 0;
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}
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static int timer_start_handler(struct trace_seq *s,
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struct tep_record *record,
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struct tep_event *event, void *context)
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{
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trace_seq_printf(s, "hrtimer=");
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if (tep_print_num_field(s, "0x%llx", event, "timer",
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record, 0) == -1)
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tep_print_num_field(s, "0x%llx", event, "hrtimer",
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record, 1);
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tep_print_func_field(s, " function=%s", event, "function",
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record, 0);
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trace_seq_printf(s, " expires=");
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tep_print_num_field(s, "%llu", event, "expires", record, 1);
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trace_seq_printf(s, " softexpires=");
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tep_print_num_field(s, "%llu", event, "softexpires", record, 1);
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return 0;
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}
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int TEP_PLUGIN_LOADER(struct tep_handle *tep)
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{
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tep_register_event_handler(tep, -1,
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"timer", "hrtimer_expire_entry",
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timer_expire_handler, NULL);
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tep_register_event_handler(tep, -1, "timer", "hrtimer_start",
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timer_start_handler, NULL);
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return 0;
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}
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void TEP_PLUGIN_UNLOADER(struct tep_handle *tep)
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{
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tep_unregister_event_handler(tep, -1,
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"timer", "hrtimer_expire_entry",
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timer_expire_handler, NULL);
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tep_unregister_event_handler(tep, -1, "timer", "hrtimer_start",
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timer_start_handler, NULL);
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}
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