+++ /dev/null
-/*
- * Copyright (c) 2011 David Goulet <david.goulet@polymtl.ca>
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * as published by the Free Software Foundation; only version 2
- * of the License.
- *
- * 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 General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
- */
-
-#define _GNU_SOURCE
-#include <assert.h>
-#include <errno.h>
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-#include <unistd.h>
-#include <time.h>
-
-#include <bin/lttng-sessiond/trace-kernel.h>
-#include <common/defaults.h>
-
-#include "utils.h"
-
-/* This path will NEVER be created in this test */
-#define PATH1 "/tmp/.test-junk-lttng"
-
-#define RANDOM_STRING_LEN 11
-
-/* For lttngerr.h */
-int lttng_opt_quiet = 1;
-int lttng_opt_verbose;
-
-static const char alphanum[] =
- "0123456789"
- "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
- "abcdefghijklmnopqrstuvwxyz";
-
-static struct ltt_kernel_session *kern;
-static char random_string[RANDOM_STRING_LEN];
-
-/*
- * Return random string of 10 characters.
- * Not thread-safe.
- */
-static char *get_random_string(void)
-{
- int i;
-
- for (i = 0; i < RANDOM_STRING_LEN - 1; i++) {
- random_string[i] = alphanum[rand() % (sizeof(alphanum) - 1)];
- }
-
- random_string[RANDOM_STRING_LEN - 1] = '\0';
-
- return random_string;
-}
-
-static void create_one_kernel_session(void)
-{
- printf("Create kernel session: ");
- kern = trace_kernel_create_session(PATH1);
- assert(kern != NULL);
- PRINT_OK();
-
- printf("Validating kernel session: ");
- assert(kern->fd == -1);
- assert(kern->metadata_stream_fd == -1);
- assert(kern->consumer_fds_sent == 0);
- assert(kern->channel_count == 0);
- assert(kern->stream_count_global == 0);
- assert(kern->metadata == NULL);
- PRINT_OK();
-
- /* Init list in order to avoid sefaults from cds_list_del */
- trace_kernel_destroy_session(kern);
-}
-
-static void create_kernel_metadata(void)
-{
- assert(kern != NULL);
-
- printf("Create kernel metadata: ");
- kern->metadata = trace_kernel_create_metadata();
- assert(kern->metadata != NULL);
- PRINT_OK();
-
- printf("Validating kernel session metadata: ");
- assert(kern->metadata->fd == -1);
- assert(kern->metadata->conf != NULL);
- assert(kern->metadata->conf->attr.overwrite
- == DEFAULT_CHANNEL_OVERWRITE);
- assert(kern->metadata->conf->attr.subbuf_size
- == default_get_metadata_subbuf_size());
- assert(kern->metadata->conf->attr.num_subbuf
- == DEFAULT_METADATA_SUBBUF_NUM);
- assert(kern->metadata->conf->attr.switch_timer_interval
- == DEFAULT_CHANNEL_SWITCH_TIMER);
- assert(kern->metadata->conf->attr.read_timer_interval
- == DEFAULT_CHANNEL_READ_TIMER);
- assert(kern->metadata->conf->attr.output
- == DEFAULT_KERNEL_CHANNEL_OUTPUT);
- PRINT_OK();
-
- trace_kernel_destroy_metadata(kern->metadata);
-}
-
-static void create_kernel_channel(void)
-{
- struct ltt_kernel_channel *chan;
- struct lttng_channel attr;
-
- memset(&attr, 0, sizeof(attr));
-
- printf("Creating kernel channel: ");
- chan = trace_kernel_create_channel(&attr);
- assert(chan != NULL);
- PRINT_OK();
-
- printf("Validating kernel channel: ");
- assert(chan->fd == -1);
- assert(chan->enabled == 1);
- assert(chan->stream_count == 0);
- assert(chan->ctx == NULL);
- assert(chan->channel->attr.overwrite == attr.attr.overwrite);
- PRINT_OK();
-
- /* Init list in order to avoid sefaults from cds_list_del */
- CDS_INIT_LIST_HEAD(&chan->list);
- trace_kernel_destroy_channel(chan);
-}
-
-static void create_kernel_event(void)
-{
- struct ltt_kernel_event *event;
- struct lttng_event ev;
-
- memset(&ev, 0, sizeof(ev));
- strncpy(ev.name, get_random_string(), LTTNG_KERNEL_SYM_NAME_LEN);
- ev.type = LTTNG_EVENT_TRACEPOINT;
- ev.loglevel_type = LTTNG_EVENT_LOGLEVEL_ALL;
-
- printf("Creating kernel event: ");
- event = trace_kernel_create_event(&ev);
- assert(event != NULL);
- PRINT_OK();
-
- printf("Validating kernel event: ");
- assert(event->fd == -1);
- assert(event->enabled == 1);
- assert(event->event->instrumentation == LTTNG_KERNEL_TRACEPOINT);
- assert(strlen(event->event->name));
- PRINT_OK();
-
- /* Init list in order to avoid sefaults from cds_list_del */
- CDS_INIT_LIST_HEAD(&event->list);
- trace_kernel_destroy_event(event);
-}
-
-static void create_kernel_stream(void)
-{
- struct ltt_kernel_stream *stream;
-
- printf("Creating kernel stream: ");
- stream = trace_kernel_create_stream("stream1", 0);
- assert(stream != NULL);
- PRINT_OK();
-
- printf("Validating kernel stream: ");
- assert(stream->fd == -1);
- assert(stream->state == 0);
- PRINT_OK();
-
- /* Init list in order to avoid sefaults from cds_list_del */
- CDS_INIT_LIST_HEAD(&stream->list);
- trace_kernel_destroy_stream(stream);
-}
-
-int main(int argc, char **argv)
-{
- printf("\nTesting kernel data structures:\n-----------\n");
-
- create_one_kernel_session();
-
- create_kernel_metadata();
- create_kernel_channel();
-
-
- create_kernel_event();
-
- create_kernel_stream();
-
- /* Success */
- return 0;
-}
projects / lttng-tools.git / blobdiff