diff options
Diffstat (limited to 'tools/lib/traceevent/plugin_hrtimer.c')
-rw-r--r-- | tools/lib/traceevent/plugin_hrtimer.c | 88 |
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 000000000..b43bfec56 --- /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 tep_record *record, + struct event_format *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 event_format *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 *pevent) +{ + tep_register_event_handler(pevent, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + tep_register_event_handler(pevent, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); + return 0; +} + +void TEP_PLUGIN_UNLOADER(struct tep_handle *pevent) +{ + tep_unregister_event_handler(pevent, -1, + "timer", "hrtimer_expire_entry", + timer_expire_handler, NULL); + + tep_unregister_event_handler(pevent, -1, "timer", "hrtimer_start", + timer_start_handler, NULL); +} |