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Fix: Build ftrace probe on kernels prior to 4.12
[lttng-modules.git]
/
lttng-events.h
diff --git
a/lttng-events.h
b/lttng-events.h
index 9c8f03b8d4fc27849cf31c557e44de78da350fd8..f55bf6637c93643ae70fd32b09934dfd3e22dce3 100644
(file)
--- a/
lttng-events.h
+++ b/
lttng-events.h
@@
-27,6
+27,7
@@
#include <linux/list.h>
#include <linux/kprobes.h>
#include <linux/kref.h>
#include <linux/list.h>
#include <linux/kprobes.h>
#include <linux/kref.h>
+#include <lttng-cpuhotplug.h>
#include <wrapper/uuid.h>
#include <lttng-tracer.h>
#include <lttng-abi.h>
#include <wrapper/uuid.h>
#include <lttng-tracer.h>
#include <lttng-abi.h>
@@
-77,6
+78,9
@@
struct lttng_enum_value {
struct lttng_enum_entry {
struct lttng_enum_value start, end; /* start and end are inclusive */
const char *string;
struct lttng_enum_entry {
struct lttng_enum_value start, end; /* start and end are inclusive */
const char *string;
+ struct {
+ unsigned int is_auto:1;
+ } options;
};
#define __type_integer(_type, _size, _alignment, _signedness, \
};
#define __type_integer(_type, _size, _alignment, _signedness, \
@@
-181,8
+185,13
@@
union lttng_ctx_value {
* lttng_ctx_field because cpu hotplug needs fixed-location addresses.
*/
struct lttng_perf_counter_field {
* lttng_ctx_field because cpu hotplug needs fixed-location addresses.
*/
struct lttng_perf_counter_field {
+#if (LINUX_VERSION_CODE >= KERNEL_VERSION(4,10,0))
+ struct lttng_cpuhp_node cpuhp_prepare;
+ struct lttng_cpuhp_node cpuhp_online;
+#else
struct notifier_block nb;
int hp_enable;
struct notifier_block nb;
int hp_enable;
+#endif
struct perf_event_attr *attr;
struct perf_event **e; /* per-cpu array */
};
struct perf_event_attr *attr;
struct perf_event **e; /* per-cpu array */
};
@@
-315,7
+324,7
@@
struct lttng_event {
};
enum lttng_enabler_type {
};
enum lttng_enabler_type {
- LTTNG_ENABLER_
WILDCARD
,
+ LTTNG_ENABLER_
STAR_GLOB
,
LTTNG_ENABLER_NAME,
};
LTTNG_ENABLER_NAME,
};
@@
-533,6
+542,7
@@
int lttng_session_enable(struct lttng_session *session);
int lttng_session_disable(struct lttng_session *session);
void lttng_session_destroy(struct lttng_session *session);
int lttng_session_metadata_regenerate(struct lttng_session *session);
int lttng_session_disable(struct lttng_session *session);
void lttng_session_destroy(struct lttng_session *session);
int lttng_session_metadata_regenerate(struct lttng_session *session);
+int lttng_session_statedump(struct lttng_session *session);
void metadata_cache_destroy(struct kref *kref);
struct lttng_channel *lttng_channel_create(struct lttng_session *session,
void metadata_cache_destroy(struct kref *kref);
struct lttng_channel *lttng_channel_create(struct lttng_session *session,
@@
-697,6
+707,10
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
uint64_t config,
const char *name,
struct lttng_ctx **ctx);
uint64_t config,
const char *name,
struct lttng_ctx **ctx);
+int lttng_cpuhp_perf_counter_online(unsigned int cpu,
+ struct lttng_cpuhp_node *node);
+int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
+ struct lttng_cpuhp_node *node);
#else
static inline
int lttng_add_perf_counter_to_ctx(uint32_t type,
#else
static inline
int lttng_add_perf_counter_to_ctx(uint32_t type,
@@
-706,6
+720,18
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
{
return -ENOSYS;
}
{
return -ENOSYS;
}
+static inline
+int lttng_cpuhp_perf_counter_online(unsigned int cpu,
+ struct lttng_cpuhp_node *node)
+{
+ return 0;
+}
+static inline
+int lttng_cpuhp_perf_counter_dead(unsigned int cpu,
+ struct lttng_cpuhp_node *node)
+{
+ return 0;
+}
#endif
int lttng_logger_init(void);
#endif
int lttng_logger_init(void);
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