+++ /dev/null
-/*
- * clock.c
- *
- * Babeltrace CTF writer - Clock
- *
- * Copyright 2013, 2014 Jérémie Galarneau <jeremie.galarneau@efficios.com>
- * Copyright 2017 Philippe Proulx <pproulx@efficios.com>
- *
- * Author: Jérémie Galarneau <jeremie.galarneau@efficios.com>
- *
- * Permission is hereby granted, free of charge, to any person obtaining a copy
- * of this software and associated documentation files (the "Software"), to deal
- * in the Software without restriction, including without limitation the rights
- * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
- * copies of the Software, and to permit persons to whom the Software is
- * furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included in
- * all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
- * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
- * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
- * SOFTWARE.
- */
-
-#define BT_LOG_TAG "CTF-WRITER-CLOCK"
-#include <babeltrace2/lib-logging-internal.h>
-
-#include <babeltrace2/assert-internal.h>
-#include <babeltrace2/compat/uuid-internal.h>
-#include <babeltrace2/compiler-internal.h>
-#include <babeltrace2/ctf-writer/clock-class-internal.h>
-#include <babeltrace2/ctf-writer/clock-internal.h>
-#include <babeltrace2/ctf-writer/utils.h>
-#include <babeltrace2/ctf-writer/writer-internal.h>
-#include <babeltrace2/ctf-writer/object-internal.h>
-#include <babeltrace2/ctf-writer/object.h>
-#include <inttypes.h>
-
-static
-void bt_ctf_clock_destroy(struct bt_ctf_object *obj);
-
-struct bt_ctf_clock *bt_ctf_clock_create(const char *name)
-{
- int ret;
- struct bt_ctf_clock *clock = NULL;
- unsigned char cc_uuid[BABELTRACE_UUID_LEN];
-
- BT_ASSERT_PRE_NON_NULL(name, "Name");
- clock = g_new0(struct bt_ctf_clock, 1);
- if (!clock) {
- goto error;
- }
-
- bt_ctf_object_init_shared(&clock->base, bt_ctf_clock_destroy);
- clock->value = 0;
-
- /* Pre-2.0.0 backward compatibility: default frequency is 1 GHz */
- clock->clock_class = (void *) bt_ctf_clock_class_create(name, 1000000000);
- if (!clock->clock_class) {
- goto error;
- }
-
- /* Automatically set clock class's UUID. */
- ret = bt_uuid_generate(cc_uuid);
- if (ret) {
- goto error;
- }
-
- ret = bt_ctf_clock_class_set_uuid(clock->clock_class, cc_uuid);
- BT_ASSERT(ret == 0);
- return clock;
-
-error:
- BT_CTF_OBJECT_PUT_REF_AND_RESET(clock);
- return clock;
-}
-
-const char *bt_ctf_clock_get_name(struct bt_ctf_clock *clock)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_name(clock->clock_class);
-}
-
-const char *bt_ctf_clock_get_description(struct bt_ctf_clock *clock)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_description(clock->clock_class);
-}
-
-int bt_ctf_clock_set_description(struct bt_ctf_clock *clock, const char *desc)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_description(clock->clock_class,
- desc);
-}
-
-uint64_t bt_ctf_clock_get_frequency(struct bt_ctf_clock *clock)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_frequency(clock->clock_class);
-}
-
-int bt_ctf_clock_set_frequency(struct bt_ctf_clock *clock, uint64_t freq)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_frequency(clock->clock_class,
- freq);
-}
-
-uint64_t bt_ctf_clock_get_precision(struct bt_ctf_clock *clock)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_precision(clock->clock_class);
-}
-
-int bt_ctf_clock_set_precision(struct bt_ctf_clock *clock, uint64_t precision)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_precision(clock->clock_class,
- precision);
-}
-
-int bt_ctf_clock_get_offset_s(struct bt_ctf_clock *clock, int64_t *offset_s)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_offset_s(clock->clock_class,
- offset_s);
-}
-
-int bt_ctf_clock_set_offset_s(struct bt_ctf_clock *clock, int64_t offset_s)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_offset_s(clock->clock_class,
- offset_s);
-}
-
-int bt_ctf_clock_get_offset(struct bt_ctf_clock *clock, int64_t *offset)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_offset_cycles(clock->clock_class,
- offset);
-}
-
-int bt_ctf_clock_set_offset(struct bt_ctf_clock *clock, int64_t offset)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_offset_cycles(clock->clock_class,
- offset);
-}
-
-int bt_ctf_clock_get_is_absolute(struct bt_ctf_clock *clock)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_is_absolute(clock->clock_class);
-}
-
-int bt_ctf_clock_set_is_absolute(struct bt_ctf_clock *clock, int is_absolute)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_is_absolute(clock->clock_class,
- is_absolute);
-}
-
-const unsigned char *bt_ctf_clock_get_uuid(struct bt_ctf_clock *clock)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_get_uuid(clock->clock_class);
-}
-
-int bt_ctf_clock_set_uuid(struct bt_ctf_clock *clock, const unsigned char *uuid)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- return bt_ctf_clock_class_set_uuid(clock->clock_class, uuid);
-}
-
-int bt_ctf_clock_set_time(struct bt_ctf_clock *clock, int64_t time)
-{
- int64_t value;
- struct bt_ctf_clock_class *cc;
-
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- cc = clock->clock_class;
-
- /* Common case where cycles are actually nanoseconds */
- if (cc->frequency == 1000000000) {
- value = time;
- } else {
- value = (uint64_t) (((double) time *
- (double) cc->frequency) / 1e9);
- }
-
- BT_ASSERT_PRE(clock->value <= value,
- "CTF writer clock value must be updated monotonically: "
- "prev-value=%" PRId64 ", new-value=%" PRId64,
- clock->value, value);
- clock->value = value;
- return 0;
-}
-
-BT_HIDDEN
-int bt_ctf_clock_get_value(struct bt_ctf_clock *clock, uint64_t *value)
-{
- BT_ASSERT_PRE_NON_NULL(clock, "CTF writer clock");
- BT_ASSERT_PRE_NON_NULL(value, "Value");
- *value = clock->value;
- return 0;
-}
-
-static
-void bt_ctf_clock_destroy(struct bt_ctf_object *obj)
-{
- struct bt_ctf_clock *clock;
-
- clock = container_of(obj, struct bt_ctf_clock, base);
- bt_ctf_object_put_ref(clock->clock_class);
- g_free(clock);
-}
-
-BT_HIDDEN
-void bt_ctf_clock_class_serialize(struct bt_ctf_clock_class *clock_class,
- struct metadata_context *context)
-{
- unsigned char *uuid;
-
- BT_LOGD("Serializing clock class's metadata: clock-class-addr=%p, "
- "name=\"%s\", metadata-context-addr=%p", clock_class,
- bt_ctf_clock_class_get_name(clock_class),
- context);
-
- if (!clock_class || !context) {
- BT_LOGW("Invalid parameter: clock class or metadata context is NULL: "
- "clock-class-addr=%p, name=\"%s\", metadata-context-addr=%p",
- clock_class,
- bt_ctf_clock_class_get_name(clock_class),
- context);
- return;
- }
-
- uuid = clock_class->uuid;
- g_string_append(context->string, "clock {\n");
- g_string_append_printf(context->string, "\tname = %s;\n",
- clock_class->name->str);
-
- if (clock_class->uuid_set) {
- g_string_append_printf(context->string,
- "\tuuid = \"%02x%02x%02x%02x-%02x%02x-%02x%02x-%02x%02x-%02x%02x%02x%02x%02x%02x\";\n",
- uuid[0], uuid[1], uuid[2], uuid[3],
- uuid[4], uuid[5], uuid[6], uuid[7],
- uuid[8], uuid[9], uuid[10], uuid[11],
- uuid[12], uuid[13], uuid[14], uuid[15]);
- }
-
- if (clock_class->description) {
- g_string_append_printf(context->string, "\tdescription = \"%s\";\n",
- clock_class->description->str);
- }
-
- g_string_append_printf(context->string, "\tfreq = %" PRIu64 ";\n",
- clock_class->frequency);
- g_string_append_printf(context->string, "\tprecision = %" PRIu64 ";\n",
- clock_class->precision);
- g_string_append_printf(context->string, "\toffset_s = %" PRIu64 ";\n",
- clock_class->offset_s);
- g_string_append_printf(context->string, "\toffset = %" PRIu64 ";\n",
- clock_class->offset);
- g_string_append_printf(context->string, "\tabsolute = %s;\n",
- clock_class->absolute ? "true" : "false");
- g_string_append(context->string, "};\n\n");
-}
projects / babeltrace.git / blobdiff