trace_buffer
Regular
4.4
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
cycle_t time_start;
int cpu;
};
4.8
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
cycle_t time_start;
int cpu;
};
4.10
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
4.13
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
4.15
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
4.18
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
5.0
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
5.3
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
5.4
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
5.8
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
5.11
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
5.13
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
5.15
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
5.19
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
6.2
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
6.5
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
atomic_t resizing;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
};
6.8
: ✅struct trace_buffer {
unsigned int flags;
int cpus;
atomic_t record_disabled;
atomic_t resizing;
cpumask_var_t cpumask;
struct lock_class_key *reader_lock_key;
struct mutex mutex;
struct ring_buffer_per_cpu **buffers;
struct hlist_node node;
u64 (*clock)();
struct rb_irq_work irq_work;
bool time_stamp_abs;
unsigned int subbuf_size;
unsigned int subbuf_order;
unsigned int max_data_size;
};
arm64
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
armhf
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
ppc64el
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
riscv64
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
aws
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
azure
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
gcp
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
lowlatency
: ✅struct trace_buffer {
struct trace_array *tr;
struct ring_buffer *buffer;
struct trace_array_cpu *data;
u64 time_start;
int cpu;
};
Regular
4.4
and 4.8
✅
4.8
and 4.10
⚠️cycle_t time_start
➡️ u64 time_start
4.10
and 4.13
✅
4.13
and 4.15
✅
4.15
and 4.18
✅
4.18
and 5.0
✅
5.0
and 5.3
✅
5.3
and 5.4
✅
5.4
and 5.8
⚠️unsigned int flags
int cpus
atomic_t record_disabled
cpumask_var_t cpumask
struct lock_class_key *reader_lock_key
struct mutex mutex
struct ring_buffer_per_cpu **buffers
struct hlist_node node
u64 (*clock)()
struct rb_irq_work irq_work
bool time_stamp_abs
struct trace_array *tr
struct ring_buffer *buffer
struct trace_array_cpu *data
u64 time_start
int cpu
5.8
and 5.11
✅
5.11
and 5.13
✅
5.13
and 5.15
✅
5.15
and 5.19
✅
5.19
and 6.2
✅
6.2
and 6.5
⚠️atomic_t resizing
6.5
and 6.8
⚠️unsigned int subbuf_size
unsigned int subbuf_order
unsigned int max_data_size
amd64
and arm64
✅
amd64
and armhf
✅
amd64
and ppc64el
✅
amd64
and riscv64
✅
generic
and aws
✅
generic
and azure
✅
generic
and gcp
✅
generic
and lowlatency
✅