# -*- Autoconf -*-
# Process this file with autoconf to produce a configure script.
- AC_INIT([lttng-ust],[2.0.0-rc1],[mathieu dot desnoyers at efficios dot com])
+ AC_INIT([lttng-ust],[2.0.0-rc2],[mathieu dot desnoyers at efficios dot com])
# Following the numbering scheme proposed by libtool for the library version
# http://www.gnu.org/software/libtool/manual/html_node/Updating-version-info.html
LT_INIT
## Checks for libraries.
-AC_CHECK_LIB([dl], [dlopen])
+AC_CHECK_LIB([dl], [dlopen],
+[
+ have_libdl=yes
+],
+[
+ #libdl not found, check for dlopen in libc.
+ AC_CHECK_LIB([c], [dlopen],
+ [
+ have_libc_dl=yes
+ ],
+ [
+ AC_MSG_ERROR([Cannot find dlopen in libdl nor libc. Use [LDFLAGS]=-Ldir to specify their location.])
+ ])
+])
+AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBDL], [test "x$have_libdl" = "xyes"])
+AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_DL], [test "x$have_libc_dl" = "xyes"])
+
AC_CHECK_LIB([pthread], [pthread_create])
# Check for libuuid
-AC_CHECK_LIB([uuid], [uuid_generate], [],
- [AC_MSG_ERROR([Cannot find libuuid. Use [LDFLAGS]=-Ldir to specify its location.])]
+AC_CHECK_LIB([uuid], [uuid_generate],
+[
+ AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBUUID], 1, [Has libuuid support.])
+ have_libuuid=yes
+],
+[
+ # libuuid not found, check for uuid_create in libc.
+ AC_CHECK_LIB([c], [uuid_create],
+ [
+ AC_DEFINE_UNQUOTED([LTTNG_UST_HAVE_LIBC_UUID], 1, [Has libc uuid support.])
+ have_libc_uuid=yes
+ ],
+ [
+ AC_MSG_ERROR([Cannot find libuuid uuid_generate nor libc uuid_create. Use [LDFLAGS]=-Ldir to specify their location.])
+ ])
+]
)
+AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBUUID], [test "x$have_libuuid" = "xyes"])
+AM_CONDITIONAL([LTTNG_UST_BUILD_WITH_LIBC_UUID], [test "x$have_libc_uuid" = "xyes"])
# Checks for header files.
#AC_CHECK_HEADERS([fcntl.h stdint.h stdlib.h string.h sys/socket.h sys/time.h unistd.h])
fi
;;
x86_64) LIBFORMAT="elf64-x86-64" ;;
+ amd64) LIBFORMAT="elf64-x86-64" ;;
powerpc) LIBFORMAT="elf32-powerpc" ;;
ppc64) LIBFORMAT="elf64-powerpc" ;;
powerpc64) LIBFORMAT="elf64-powerpc" ;;
#define _GNU_SOURCE
#include <stdio.h>
-#include <endian.h>
#include <urcu/list.h>
#include <urcu/hlist.h>
#include <pthread.h>
-#include <uuid/uuid.h>
#include <errno.h>
#include <sys/shm.h>
#include <sys/ipc.h>
#include <stddef.h>
#include <inttypes.h>
#include <time.h>
-#include <sys/prctl.h>
+#include <lttng/ust-endian.h>
#include "clock.h"
#include <urcu-bp.h>
#include <usterr-signal-safe.h>
#include <helper.h>
#include "error.h"
+#include "compat.h"
+#include "lttng-ust-uuid.h"
#include "tracepoint-internal.h"
#include "ltt-tracer.h"
#include "../libringbuffer/shm.h"
#include "jhash.h"
-#define PROCNAME_LEN 17
-
/*
* The sessions mutex is the centralized mutex across UST tracing
* control and probe registration. All operations within this file are
struct ltt_session *ltt_session_create(void)
{
struct ltt_session *session;
+ int ret;
session = zmalloc(sizeof(struct ltt_session));
if (!session)
CDS_INIT_LIST_HEAD(&session->chan);
CDS_INIT_LIST_HEAD(&session->events);
CDS_INIT_LIST_HEAD(&session->wildcards);
- uuid_generate(session->uuid);
+ ret = lttng_ust_uuid_generate(session->uuid);
+ if (ret != 0) {
+ session->uuid[0] = '\0';
+ }
cds_list_add(&session->list, &sessions);
return session;
}
* headers. Therefore the "chan" information used as input
* should be already accessible.
*/
- chan = transport->ops.channel_create("[lttng]", buf_addr,
+ chan = transport->ops.channel_create(transport_name, buf_addr,
subbuf_size, num_subbuf, switch_timer_interval,
read_timer_interval, shm_fd, wait_fd,
memory_map_size, chan_priv_init);
int _ltt_session_metadata_statedump(struct ltt_session *session)
{
unsigned char *uuid_c = session->uuid;
- char uuid_s[37], clock_uuid_s[CLOCK_UUID_LEN];
+ char uuid_s[LTTNG_UST_UUID_STR_LEN],
+ clock_uuid_s[LTTNG_UST_UUID_STR_LEN];
struct ltt_channel *chan;
struct ltt_event *event;
int ret = 0;
- char procname[PROCNAME_LEN] = "";
+ char procname[LTTNG_UST_PROCNAME_LEN] = "";
if (!CMM_ACCESS_ONCE(session->active))
return 0;
goto end;
/* ignore error, just use empty string if error. */
- (void) prctl(PR_GET_NAME, (unsigned long) procname, 0, 0, 0);
- procname[PROCNAME_LEN - 1] = '\0';
+ lttng_ust_getprocname(procname);
+ procname[LTTNG_UST_PROCNAME_LEN - 1] = '\0';
ret = lttng_metadata_printf(session,
"env {\n"
" vpid = %d;\n"
*/
void lttng_fixup_event_tls(void)
{
- unsigned char uuid[37];
+ unsigned char uuid[LTTNG_UST_UUID_STR_LEN];
- (void) uuid_generate(uuid);
+ (void) lttng_ust_uuid_generate(uuid);
}
#include "frontend.h"
#include "shm.h"
#include "tlsfixup.h"
+#include "../liblttng-ust/compat.h" /* For ENODATA */
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
const struct lttng_ust_lib_ring_buffer_config *config = &chan->backend.config;
void *priv = channel_get_private(chan);
- DBG("ring buffer %s, cpu %d: %lu records written, "
- "%lu records overrun\n",
- chan->backend.name, cpu,
- v_read(config, &buf->records_count),
- v_read(config, &buf->records_overrun));
-
- if (v_read(config, &buf->records_lost_full)
- || v_read(config, &buf->records_lost_wrap)
- || v_read(config, &buf->records_lost_big))
- DBG("ring buffer %s, cpu %d: records were lost. Caused by:\n"
- " [ %lu buffer full, %lu nest buffer wrap-around, "
- "%lu event too big ]\n",
- chan->backend.name, cpu,
- v_read(config, &buf->records_lost_full),
- v_read(config, &buf->records_lost_wrap),
- v_read(config, &buf->records_lost_big));
-
+ if (!strcmp(chan->backend.name, "relay-metadata-mmap")) {
+ DBG("ring buffer %s: %lu records written, "
+ "%lu records overrun\n",
+ chan->backend.name,
+ v_read(config, &buf->records_count),
+ v_read(config, &buf->records_overrun));
+ } else {
+ DBG("ring buffer %s, cpu %d: %lu records written, "
+ "%lu records overrun\n",
+ chan->backend.name, cpu,
+ v_read(config, &buf->records_count),
+ v_read(config, &buf->records_overrun));
+
+ if (v_read(config, &buf->records_lost_full)
+ || v_read(config, &buf->records_lost_wrap)
+ || v_read(config, &buf->records_lost_big))
+ DBG("ring buffer %s, cpu %d: records were lost. Caused by:\n"
+ " [ %lu buffer full, %lu nest buffer wrap-around, "
+ "%lu event too big ]\n",
+ chan->backend.name, cpu,
+ v_read(config, &buf->records_lost_full),
+ v_read(config, &buf->records_lost_wrap),
+ v_read(config, &buf->records_lost_big));
+ }
lib_ring_buffer_print_buffer_errors(buf, chan, priv, cpu, handle);
}
projects / lttng-ust.git / commitdiff
