#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 cds_hlist_head *head;
struct ust_pending_probe *e;
- size_t name_len = strlen(name);
+ size_t name_len = strlen(name) + 1;
uint32_t hash;
- if (name_len > LTTNG_UST_SYM_NAME_LEN - 1) {
- WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN - 1);
- name_len = LTTNG_UST_SYM_NAME_LEN - 1;
+ if (name_len > LTTNG_UST_SYM_NAME_LEN) {
+ WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN);
+ name_len = LTTNG_UST_SYM_NAME_LEN;
}
- hash = jhash(name, name_len, 0);
+ hash = jhash(name, name_len - 1, 0);
head = &pending_probe_table[hash & (PENDING_PROBE_HASH_SIZE - 1)];
e = zmalloc(sizeof(struct ust_pending_probe) + name_len);
if (!e)
return -ENOMEM;
- memcpy(&e->name[0], name, name_len + 1);
- e->name[name_len] = '\0';
+ memcpy(&e->name[0], name, name_len);
+ e->name[name_len - 1] = '\0';
e->loglevel_type = loglevel_type;
e->loglevel = loglevel;
cds_hlist_add_head(&e->node, head);
const char *name = desc->name;
int ret = 0;
struct lttng_ust_event event_param;
- size_t name_len = strlen(name);
+ size_t name_len = strlen(name) + 1;
uint32_t hash;
/* Wildcard */
sizeof(event_param.name));
/* create event */
ret = ltt_event_create(sw->chan,
- &event_param, NULL,
+ &event_param, NULL, NULL,
&ev);
if (ret) {
DBG("Error creating event");
}
}
- if (name_len > LTTNG_UST_SYM_NAME_LEN - 1) {
- WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN - 1);
- name_len = LTTNG_UST_SYM_NAME_LEN - 1;
+ if (name_len > LTTNG_UST_SYM_NAME_LEN) {
+ WARN("Truncating tracepoint name %s which exceeds size limits of %u chars", name, LTTNG_UST_SYM_NAME_LEN);
+ name_len = LTTNG_UST_SYM_NAME_LEN;
}
- hash = jhash(name, name_len, 0);
+ hash = jhash(name, name_len - 1, 0);
head = &pending_probe_table[hash & (PENDING_PROBE_HASH_SIZE - 1)];
cds_hlist_for_each_entry_safe(e, node, p, head, node) {
struct ltt_event *event;
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;
}
*/
int ltt_event_create(struct ltt_channel *chan,
struct lttng_ust_event *event_param,
- void *filter,
+ int (*filter)(void *filter_data,
+ const char *filter_stack_data),
+ void *filter_data,
struct ltt_event **_event)
{
const struct lttng_event_desc *desc = NULL; /* silence gcc */
}
event->chan = chan;
event->filter = filter;
+ event->filter_data = filter_data;
/*
* used_event_id counts the maximum number of event IDs that can
* register if all probes register.
"struct packet_context {\n"
" uint64_clock_monotonic_t timestamp_begin;\n"
" uint64_clock_monotonic_t timestamp_end;\n"
- " uint32_t events_discarded;\n"
+ " unsigned long events_discarded;\n"
" uint32_t content_size;\n"
" uint32_t packet_size;\n"
" uint32_t cpu_id;\n"
return 0;
monotonic[1] = trace_clock_read64();
offset = (monotonic[0] + monotonic[1]) >> 1;
- realtime = rts.tv_sec * 1000000000ULL;
+ realtime = (uint64_t) rts.tv_sec * 1000000000ULL;
realtime += rts.tv_nsec;
offset = realtime - offset;
return offset;
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;
"typealias integer { size = 16; align = %u; signed = false; } := uint16_t;\n"
"typealias integer { size = 32; align = %u; signed = false; } := uint32_t;\n"
"typealias integer { size = 64; align = %u; signed = false; } := uint64_t;\n"
+ "typealias integer { size = %u; align = %u; signed = false; } := unsigned long;\n"
"typealias integer { size = 5; align = 1; signed = false; } := uint5_t;\n"
"typealias integer { size = 27; align = 1; signed = false; } := uint27_t;\n"
"\n"
lttng_alignof(uint16_t) * CHAR_BIT,
lttng_alignof(uint32_t) * CHAR_BIT,
lttng_alignof(uint64_t) * CHAR_BIT,
+ sizeof(unsigned long) * CHAR_BIT,
+ lttng_alignof(unsigned long) * CHAR_BIT,
CTF_SPEC_MAJOR,
CTF_SPEC_MINOR,
uuid_s,
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"
if (!e)
return ERR_PTR(-ENOMEM);
memcpy(&e->name[0], event_param->name, name_len);
+ e->loglevel_type = event_param->loglevel_type;
+ e->loglevel = event_param->loglevel;
cds_list_add(&e->list, &wildcard_list);
CDS_INIT_LIST_HEAD(&e->session_list);
}
*/
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);
}
projects / lttng-ust.git / blobdiff