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Drop support for kernels < 4.4 from 'wrapper/page_alloc.h'
[lttng-modules.git]
/
include
/
wrapper
/
trace-clock.h
diff --git
a/include/wrapper/trace-clock.h
b/include/wrapper/trace-clock.h
index 7cef08df3176f60d8a27bfd779384452c75e5da3..69dcc8003790a5ca9bb1486955237e20971cab35 100644
(file)
--- a/
include/wrapper/trace-clock.h
+++ b/
include/wrapper/trace-clock.h
@@
-20,12
+20,13
@@
#include <linux/time.h>
#include <linux/hrtimer.h>
#include <linux/percpu.h>
#include <linux/time.h>
#include <linux/hrtimer.h>
#include <linux/percpu.h>
-#include <linux/version.h>
+#include <linux/percpu-defs.h>
+
+#include <lttng/kernel-version.h>
#include <asm/local.h>
#include <lttng/kernel-version.h>
#include <lttng/clock.h>
#include <wrapper/compiler.h>
#include <asm/local.h>
#include <lttng/kernel-version.h>
#include <lttng/clock.h>
#include <wrapper/compiler.h>
-#include <wrapper/percpu-defs.h>
#include <wrapper/random.h>
#include <blacklist/timekeeping.h>
#include <wrapper/random.h>
#include <blacklist/timekeeping.h>
@@
-51,7
+52,7
@@
extern struct lttng_trace_clock *lttng_trace_clock;
* this feature on 64-bit architectures.
*/
* this feature on 64-bit architectures.
*/
-#if (L
INUX_VERSION_CODE >=
KERNEL_VERSION(3,17,0) \
+#if (L
TTNG_LINUX_VERSION_CODE >= LTTNG_
KERNEL_VERSION(3,17,0) \
&& BITS_PER_LONG == 64 \
&& !defined(LTTNG_CLOCK_NMI_SAFE_BROKEN))
#define LTTNG_USE_NMI_SAFE_CLOCK
&& BITS_PER_LONG == 64 \
&& !defined(LTTNG_CLOCK_NMI_SAFE_BROKEN))
#define LTTNG_USE_NMI_SAFE_CLOCK
@@
-71,7
+72,7
@@
static inline u64 trace_clock_monotonic_wrapper(void)
/* Use fast nmi-safe monotonic clock provided by the Linux kernel. */
preempt_disable();
/* Use fast nmi-safe monotonic clock provided by the Linux kernel. */
preempt_disable();
- last_tsc_ptr =
lttng_
this_cpu_ptr(<tng_last_tsc);
+ last_tsc_ptr = this_cpu_ptr(<tng_last_tsc);
last = *last_tsc_ptr;
/*
* Read "last" before "now". It is not strictly required, but it ensures
last = *last_tsc_ptr;
/*
* Read "last" before "now". It is not strictly required, but it ensures
@@
-160,33
+161,30
@@
static inline void put_trace_clock(void)
static inline u64 trace_clock_read64(void)
{
static inline u64 trace_clock_read64(void)
{
- struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+ struct lttng_trace_clock *ltc =
LTTNG_
READ_ONCE(lttng_trace_clock);
if (likely(!ltc)) {
return trace_clock_read64_monotonic();
} else {
if (likely(!ltc)) {
return trace_clock_read64_monotonic();
} else {
- read_barrier_depends(); /* load ltc before content */
return ltc->read64();
}
}
static inline u64 trace_clock_freq(void)
{
return ltc->read64();
}
}
static inline u64 trace_clock_freq(void)
{
- struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+ struct lttng_trace_clock *ltc =
LTTNG_
READ_ONCE(lttng_trace_clock);
if (!ltc) {
return trace_clock_freq_monotonic();
} else {
if (!ltc) {
return trace_clock_freq_monotonic();
} else {
- read_barrier_depends(); /* load ltc before content */
return ltc->freq();
}
}
static inline int trace_clock_uuid(char *uuid)
{
return ltc->freq();
}
}
static inline int trace_clock_uuid(char *uuid)
{
- struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+ struct lttng_trace_clock *ltc =
LTTNG_
READ_ONCE(lttng_trace_clock);
- read_barrier_depends(); /* load ltc before content */
/* Use default UUID cb when NULL */
if (!ltc || !ltc->uuid) {
return trace_clock_uuid_monotonic(uuid);
/* Use default UUID cb when NULL */
if (!ltc || !ltc->uuid) {
return trace_clock_uuid_monotonic(uuid);
@@
-197,24
+195,22
@@
static inline int trace_clock_uuid(char *uuid)
static inline const char *trace_clock_name(void)
{
static inline const char *trace_clock_name(void)
{
- struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+ struct lttng_trace_clock *ltc =
LTTNG_
READ_ONCE(lttng_trace_clock);
if (!ltc) {
return trace_clock_name_monotonic();
} else {
if (!ltc) {
return trace_clock_name_monotonic();
} else {
- read_barrier_depends(); /* load ltc before content */
return ltc->name();
}
}
static inline const char *trace_clock_description(void)
{
return ltc->name();
}
}
static inline const char *trace_clock_description(void)
{
- struct lttng_trace_clock *ltc = READ_ONCE(lttng_trace_clock);
+ struct lttng_trace_clock *ltc =
LTTNG_
READ_ONCE(lttng_trace_clock);
if (!ltc) {
return trace_clock_description_monotonic();
} else {
if (!ltc) {
return trace_clock_description_monotonic();
} else {
- read_barrier_depends(); /* load ltc before content */
return ltc->description();
}
}
return ltc->description();
}
}
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