litmus-rt-pandaboard.git - LITMUS^RT and MC^2 V0 support for the pandaboard.

about summary refs log tree commit diff stats

path: root/drivers/video/geode/lxfb_ops.c

diff options

Diffstat (limited to 'drivers/video/geode/lxfb_ops.c')

0 files changed, 0 insertions, 0 deletions

ven Rostedt <rostedt@goodmis.org> 2009-12-17 22:38:35 -0500 trace-cmd: Rename struct event to struct event_format' href='/cgit/cgit.cgi/trace-cmd.git/commit/plugin_hrtimer.c?id=0b9d85ae412ab92c2690523e1ef4314bc7931a68'>0b9d85a

32
33

37
38

42
43

44
45

50
51

52
53

57
58

61
62

69
70

85
86
87

95
96

97
98

100
101

104
105

114
115

/*
 * 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, write to the Free Software
 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 *
 * ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 */
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include "parse-events.h"

/* return -1 (field not found/not valid number), 0 (ok), 1 (buffer full) */
static int _print_field(struct trace_seq *s, const char *fmt,
			struct event_format *event, const char *name, const void *data)
{
	struct format_field *f = pevent_find_field(event, name);
	unsigned long long val;

	if (!f)
		return -1;

	if (pevent_read_number_field(f, data, &val))
		return -1;

	return trace_seq_printf(s, fmt, val);
}

/* return 0 (ok), 1 (buffer full) */
static void print_field(struct trace_seq *s, const char *fmt,
			struct event_format *event, const char *name, const void *data)
{
	int ret = _print_field(s, fmt, event, name, data);

	if (ret == -1)
		trace_seq_printf(s, "CAN'T FIND FIELD \"%s\"", name);
}

static int timer_expire_handler(struct trace_seq *s, struct record *record,
				struct event_format *event, void *context)
{
	void *data = record->data;

	trace_seq_printf(s, "hrtimer=");

	if (_print_field(s, "0x%llx", event, "timer", data) == -1)
		print_field(s, "0x%llx", event, "hrtimer", data);

	trace_seq_printf(s, " now=");

	print_field(s, "%llu", event, "now", data);

	return 0;
}

static int timer_start_handler(struct trace_seq *s, struct record *record,
			       struct event_format *event, void *context)
{
	struct pevent *pevent = event->pevent;
	struct format_field *fn = pevent_find_field(event, "function");
	void *data = record->data;

	trace_seq_printf(s, "hrtimer=");

	if (_print_field(s, "0x%llx", event, "timer", data) == -1)
		print_field(s, "0x%llx", event, "hrtimer", data);

	if (!fn) {
		trace_seq_printf(s, " function=MISSING");
	} else {
		unsigned long long function;
		const char *func;

		if (pevent_read_number_field(fn, data, &function))
			trace_seq_printf(s, " function=INVALID");

		func = pevent_find_function(pevent, function);

		trace_seq_printf(s, " function=%s", func);
	}

	trace_seq_printf(s, " expires=");
	print_field(s, "%llu", event, "expires", data);

	trace_seq_printf(s, " softexpires=");
	print_field(s, "%llu", event, "softexpires", data);

	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;
}


context:
space:
mode: