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Handle newer 3.1+ perf API
[lttng-modules.git]
/
lttng-context-perf-counters.c
diff --git
a/lttng-context-perf-counters.c
b/lttng-context-perf-counters.c
index 2f131d61e32f2cdbd4f7b152b478f7c60e3be6c2..0b3668ae2ae46f6b523c7f9a7dfbc3aef608c1cb 100644
(file)
--- a/
lttng-context-perf-counters.c
+++ b/
lttng-context-perf-counters.c
@@
-15,6
+15,7
@@
#include "ltt-events.h"
#include "wrapper/ringbuffer/frontend_types.h"
#include "wrapper/vmalloc.h"
#include "ltt-events.h"
#include "wrapper/ringbuffer/frontend_types.h"
#include "wrapper/vmalloc.h"
+#include "wrapper/perf.h"
#include "ltt-tracer.h"
static
#include "ltt-tracer.h"
static
@@
-57,12
+58,21
@@
void perf_counter_record(struct lttng_ctx_field *field,
chan->ops->event_write(ctx, &value, sizeof(value));
}
chan->ops->event_write(ctx, &value, sizeof(value));
}
+#if defined(CONFIG_PERF_EVENTS) && (LINUX_VERSION_CODE >= KERNEL_VERSION(3,0,99))
+static
+void overflow_callback(struct perf_event *event,
+ struct perf_sample_data *data,
+ struct pt_regs *regs)
+{
+}
+#else
static
void overflow_callback(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
}
static
void overflow_callback(struct perf_event *event, int nmi,
struct perf_sample_data *data,
struct pt_regs *regs)
{
}
+#endif
static
void lttng_destroy_perf_counter_field(struct lttng_ctx_field *field)
static
void lttng_destroy_perf_counter_field(struct lttng_ctx_field *field)
@@
-114,7
+124,7
@@
int __cpuinit lttng_perf_counter_cpu_hp_callback(struct notifier_block *nb,
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
switch (action) {
case CPU_ONLINE:
case CPU_ONLINE_FROZEN:
- pevent = perf_event_create_kernel_counter(attr,
+ pevent =
wrapper_
perf_event_create_kernel_counter(attr,
cpu, NULL, overflow_callback);
if (!pevent || IS_ERR(pevent))
return NOTIFY_BAD;
cpu, NULL, overflow_callback);
if (!pevent || IS_ERR(pevent))
return NOTIFY_BAD;
@@
-202,7
+212,7
@@
int lttng_add_perf_counter_to_ctx(uint32_t type,
get_online_cpus();
for_each_online_cpu(cpu) {
get_online_cpus();
for_each_online_cpu(cpu) {
- events[cpu] = perf_event_create_kernel_counter(attr,
+ events[cpu] =
wrapper_
perf_event_create_kernel_counter(attr,
cpu, NULL, overflow_callback);
if (!events[cpu] || IS_ERR(events[cpu])) {
ret = -EINVAL;
cpu, NULL, overflow_callback);
if (!events[cpu] || IS_ERR(events[cpu])) {
ret = -EINVAL;
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