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-rw-r--r--include/linux/ftrace.h12
-rw-r--r--include/linux/hw_breakpoint.h25
-rw-r--r--include/linux/mm.h4
-rw-r--r--include/linux/perf_event.h83
-rw-r--r--include/linux/ptrace.h12
-rw-r--r--include/linux/sched.h9
-rw-r--r--include/trace/events/lock.h55
-rw-r--r--include/trace/ftrace.h23
8 files changed, 128 insertions, 95 deletions
diff --git a/include/linux/ftrace.h b/include/linux/ftrace.h
index 01e6adea07ec..cc12b3c556b3 100644
--- a/include/linux/ftrace.h
+++ b/include/linux/ftrace.h
@@ -504,18 +504,6 @@ extern int ftrace_dump_on_oops;
#define INIT_TRACE_RECURSION
#endif
-#ifdef CONFIG_HW_BRANCH_TRACER
-
-void trace_hw_branch(u64 from, u64 to);
-void trace_hw_branch_oops(void);
-
-#else /* CONFIG_HW_BRANCH_TRACER */
-
-static inline void trace_hw_branch(u64 from, u64 to) {}
-static inline void trace_hw_branch_oops(void) {}
-
-#endif /* CONFIG_HW_BRANCH_TRACER */
-
#ifdef CONFIG_FTRACE_SYSCALLS
unsigned long arch_syscall_addr(int nr);
diff --git a/include/linux/hw_breakpoint.h b/include/linux/hw_breakpoint.h
index c70d27af03f9..a2d6ea49ec56 100644
--- a/include/linux/hw_breakpoint.h
+++ b/include/linux/hw_breakpoint.h
@@ -9,9 +9,22 @@ enum {
};
enum {
- HW_BREAKPOINT_R = 1,
- HW_BREAKPOINT_W = 2,
- HW_BREAKPOINT_X = 4,
+ HW_BREAKPOINT_EMPTY = 0,
+ HW_BREAKPOINT_R = 1,
+ HW_BREAKPOINT_W = 2,
+ HW_BREAKPOINT_RW = HW_BREAKPOINT_R | HW_BREAKPOINT_W,
+ HW_BREAKPOINT_X = 4,
+ HW_BREAKPOINT_INVALID = HW_BREAKPOINT_RW | HW_BREAKPOINT_X,
+};
+
+enum bp_type_idx {
+ TYPE_INST = 0,
+#ifdef CONFIG_HAVE_MIXED_BREAKPOINTS_REGS
+ TYPE_DATA = 0,
+#else
+ TYPE_DATA = 1,
+#endif
+ TYPE_MAX
};
#ifdef __KERNEL__
@@ -34,6 +47,12 @@ static inline void hw_breakpoint_init(struct perf_event_attr *attr)
attr->sample_period = 1;
}
+static inline void ptrace_breakpoint_init(struct perf_event_attr *attr)
+{
+ hw_breakpoint_init(attr);
+ attr->exclude_kernel = 1;
+}
+
static inline unsigned long hw_breakpoint_addr(struct perf_event *bp)
{
return bp->attr.bp_addr;
diff --git a/include/linux/mm.h b/include/linux/mm.h
index 462acaf36f3a..fb19bb92b809 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -19,7 +19,6 @@ struct anon_vma;
struct file_ra_state;
struct user_struct;
struct writeback_control;
-struct rlimit;
#ifndef CONFIG_DISCONTIGMEM /* Don't use mapnrs, do it properly */
extern unsigned long max_mapnr;
@@ -1449,9 +1448,6 @@ int vmemmap_populate_basepages(struct page *start_page,
int vmemmap_populate(struct page *start_page, unsigned long pages, int node);
void vmemmap_populate_print_last(void);
-extern int account_locked_memory(struct mm_struct *mm, struct rlimit *rlim,
- size_t size);
-extern void refund_locked_memory(struct mm_struct *mm, size_t size);
enum mf_flags {
MF_COUNT_INCREASED = 1 << 0,
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index c8e375440403..3fd5c82e0e18 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -203,8 +203,19 @@ struct perf_event_attr {
enable_on_exec : 1, /* next exec enables */
task : 1, /* trace fork/exit */
watermark : 1, /* wakeup_watermark */
-
- __reserved_1 : 49;
+ /*
+ * precise_ip:
+ *
+ * 0 - SAMPLE_IP can have arbitrary skid
+ * 1 - SAMPLE_IP must have constant skid
+ * 2 - SAMPLE_IP requested to have 0 skid
+ * 3 - SAMPLE_IP must have 0 skid
+ *
+ * See also PERF_RECORD_MISC_EXACT_IP
+ */
+ precise_ip : 2, /* skid constraint */
+
+ __reserved_1 : 47;
union {
__u32 wakeup_events; /* wakeup every n events */
@@ -287,11 +298,24 @@ struct perf_event_mmap_page {
__u64 data_tail; /* user-space written tail */
};
-#define PERF_RECORD_MISC_CPUMODE_MASK (3 << 0)
+#define PERF_RECORD_MISC_CPUMODE_MASK (7 << 0)
#define PERF_RECORD_MISC_CPUMODE_UNKNOWN (0 << 0)
#define PERF_RECORD_MISC_KERNEL (1 << 0)
#define PERF_RECORD_MISC_USER (2 << 0)
#define PERF_RECORD_MISC_HYPERVISOR (3 << 0)
+#define PERF_RECORD_MISC_GUEST_KERNEL (4 << 0)
+#define PERF_RECORD_MISC_GUEST_USER (5 << 0)
+
+/*
+ * Indicates that the content of PERF_SAMPLE_IP points to
+ * the actual instruction that triggered the event. See also
+ * perf_event_attr::precise_ip.
+ */
+#define PERF_RECORD_MISC_EXACT_IP (1 << 14)
+/*
+ * Reserve the last bit to indicate some extended misc field
+ */
+#define PERF_RECORD_MISC_EXT_RESERVED (1 << 15)
struct perf_event_header {
__u32 type;
@@ -439,6 +463,12 @@ enum perf_callchain_context {
# include <asm/perf_event.h>
#endif
+struct perf_guest_info_callbacks {
+ int (*is_in_guest) (void);
+ int (*is_user_mode) (void);
+ unsigned long (*get_guest_ip) (void);
+};
+
#ifdef CONFIG_HAVE_HW_BREAKPOINT
#include <asm/hw_breakpoint.h>
#endif
@@ -468,6 +498,17 @@ struct perf_raw_record {
void *data;
};
+struct perf_branch_entry {
+ __u64 from;
+ __u64 to;
+ __u64 flags;
+};
+
+struct perf_branch_stack {
+ __u64 nr;
+ struct perf_branch_entry entries[0];
+};
+
struct task_struct;
/**
@@ -506,6 +547,8 @@ struct hw_perf_event {
struct perf_event;
+#define PERF_EVENT_TXN_STARTED 1
+
/**
* struct pmu - generic performance monitoring unit
*/
@@ -516,6 +559,16 @@ struct pmu {
void (*stop) (struct perf_event *event);
void (*read) (struct perf_event *event);
void (*unthrottle) (struct perf_event *event);
+
+ /*
+ * group events scheduling is treated as a transaction,
+ * add group events as a whole and perform one schedulability test.
+ * If test fails, roll back the whole group
+ */
+
+ void (*start_txn) (const struct pmu *pmu);
+ void (*cancel_txn) (const struct pmu *pmu);
+ int (*commit_txn) (const struct pmu *pmu);
};
/**
@@ -571,6 +624,14 @@ enum perf_group_flag {
PERF_GROUP_SOFTWARE = 0x1,
};
+#define SWEVENT_HLIST_BITS 8
+#define SWEVENT_HLIST_SIZE (1 << SWEVENT_HLIST_BITS)
+
+struct swevent_hlist {
+ struct hlist_head heads[SWEVENT_HLIST_SIZE];
+ struct rcu_head rcu_head;
+};
+
/**
* struct perf_event - performance event kernel representation:
*/
@@ -579,6 +640,7 @@ struct perf_event {
struct list_head group_entry;
struct list_head event_entry;
struct list_head sibling_list;
+ struct hlist_node hlist_entry;
int nr_siblings;
int group_flags;
struct perf_event *group_leader;
@@ -726,6 +788,9 @@ struct perf_cpu_context {
int active_oncpu;
int max_pertask;
int exclusive;
+ struct swevent_hlist *swevent_hlist;
+ struct mutex hlist_mutex;
+ int hlist_refcount;
/*
* Recursion avoidance:
@@ -769,9 +834,6 @@ extern void perf_disable(void);
extern void perf_enable(void);
extern int perf_event_task_disable(void);
extern int perf_event_task_enable(void);
-extern int hw_perf_group_sched_in(struct perf_event *group_leader,
- struct perf_cpu_context *cpuctx,
- struct perf_event_context *ctx);
extern void perf_event_update_userpage(struct perf_event *event);
extern int perf_event_release_kernel(struct perf_event *event);
extern struct perf_event *
@@ -902,6 +964,10 @@ static inline void perf_event_mmap(struct vm_area_struct *vma)
__perf_event_mmap(vma);
}
+extern struct perf_guest_info_callbacks *perf_guest_cbs;
+extern int perf_register_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);
+extern int perf_unregister_guest_info_callbacks(struct perf_guest_info_callbacks *callbacks);
+
extern void perf_event_comm(struct task_struct *tsk);
extern void perf_event_fork(struct task_struct *tsk);
@@ -971,6 +1037,11 @@ perf_sw_event(u32 event_id, u64 nr, int nmi,
static inline void
perf_bp_event(struct perf_event *event, void *data) { }
+static inline int perf_register_guest_info_callbacks
+(struct perf_guest_info_callbacks *callbacks) { return 0; }
+static inline int perf_unregister_guest_info_callbacks
+(struct perf_guest_info_callbacks *callbacks) { return 0; }
+
static inline void perf_event_mmap(struct vm_area_struct *vma) { }
static inline void perf_event_comm(struct task_struct *tsk) { }
static inline void perf_event_fork(struct task_struct *tsk) { }
diff --git a/include/linux/ptrace.h b/include/linux/ptrace.h
index e1fb60729979..4272521e29e9 100644
--- a/include/linux/ptrace.h
+++ b/include/linux/ptrace.h
@@ -345,18 +345,6 @@ static inline void user_single_step_siginfo(struct task_struct *tsk,
#define arch_ptrace_stop(code, info) do { } while (0)
#endif
-#ifndef arch_ptrace_untrace
-/*
- * Do machine-specific work before untracing child.
- *
- * This is called for a normal detach as well as from ptrace_exit()
- * when the tracing task dies.
- *
- * Called with write_lock(&tasklist_lock) held.
- */
-#define arch_ptrace_untrace(task) do { } while (0)
-#endif
-
extern int task_current_syscall(struct task_struct *target, long *callno,
unsigned long args[6], unsigned int maxargs,
unsigned long *sp, unsigned long *pc);
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 2b7b81df78b3..28b71ee133f0 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -99,7 +99,6 @@ struct futex_pi_state;
struct robust_list_head;
struct bio_list;
struct fs_struct;
-struct bts_context;
struct perf_event_context;
/*
@@ -1272,12 +1271,6 @@ struct task_struct {
struct list_head ptraced;
struct list_head ptrace_entry;
- /*
- * This is the tracer handle for the ptrace BTS extension.
- * This field actually belongs to the ptracer task.
- */
- struct bts_context *bts;
-
/* PID/PID hash table linkage. */
struct pid_link pids[PIDTYPE_MAX];
struct list_head thread_group;
@@ -2122,10 +2115,8 @@ extern void set_task_comm(struct task_struct *tsk, char *from);
extern char *get_task_comm(char *to, struct task_struct *tsk);
#ifdef CONFIG_SMP
-extern void wait_task_context_switch(struct task_struct *p);
extern unsigned long wait_task_inactive(struct task_struct *, long match_state);
#else
-static inline void wait_task_context_switch(struct task_struct *p) {}
static inline unsigned long wait_task_inactive(struct task_struct *p,
long match_state)
{
diff --git a/include/trace/events/lock.h b/include/trace/events/lock.h
index 5c1dcfc16c60..2821b86de63b 100644
--- a/include/trace/events/lock.h
+++ b/include/trace/events/lock.h
@@ -35,15 +35,15 @@ TRACE_EVENT(lock_acquire,
__get_str(name))
);
-TRACE_EVENT(lock_release,
+DECLARE_EVENT_CLASS(lock,
- TP_PROTO(struct lockdep_map *lock, int nested, unsigned long ip),
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
- TP_ARGS(lock, nested, ip),
+ TP_ARGS(lock, ip),
TP_STRUCT__entry(
- __string(name, lock->name)
- __field(void *, lockdep_addr)
+ __string( name, lock->name )
+ __field( void *, lockdep_addr )
),
TP_fast_assign(
@@ -51,51 +51,30 @@ TRACE_EVENT(lock_release,
__entry->lockdep_addr = lock;
),
- TP_printk("%p %s",
- __entry->lockdep_addr, __get_str(name))
+ TP_printk("%p %s", __entry->lockdep_addr, __get_str(name))
);
-#ifdef CONFIG_LOCK_STAT
-
-TRACE_EVENT(lock_contended,
+DEFINE_EVENT(lock, lock_release,
TP_PROTO(struct lockdep_map *lock, unsigned long ip),
- TP_ARGS(lock, ip),
+ TP_ARGS(lock, ip)
+);
- TP_STRUCT__entry(
- __string(name, lock->name)
- __field(void *, lockdep_addr)
- ),
+#ifdef CONFIG_LOCK_STAT
- TP_fast_assign(
- __assign_str(name, lock->name);
- __entry->lockdep_addr = lock;
- ),
+DEFINE_EVENT(lock, lock_contended,
- TP_printk("%p %s",
- __entry->lockdep_addr, __get_str(name))
-);
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
-TRACE_EVENT(lock_acquired,
- TP_PROTO(struct lockdep_map *lock, unsigned long ip, s64 waittime),
+ TP_ARGS(lock, ip)
+);
- TP_ARGS(lock, ip, waittime),
+DEFINE_EVENT(lock, lock_acquired,
- TP_STRUCT__entry(
- __string(name, lock->name)
- __field(s64, wait_nsec)
- __field(void *, lockdep_addr)
- ),
+ TP_PROTO(struct lockdep_map *lock, unsigned long ip),
- TP_fast_assign(
- __assign_str(name, lock->name);
- __entry->wait_nsec = waittime;
- __entry->lockdep_addr = lock;
- ),
- TP_printk("%p %s (%llu ns)", __entry->lockdep_addr,
- __get_str(name),
- __entry->wait_nsec)
+ TP_ARGS(lock, ip)
);
#endif
diff --git a/include/trace/ftrace.h b/include/trace/ftrace.h
index 75dd7787fb37..16253db38d73 100644
--- a/include/trace/ftrace.h
+++ b/include/trace/ftrace.h
@@ -763,13 +763,12 @@ __attribute__((section("_ftrace_events"))) event_##call = { \
#define DECLARE_EVENT_CLASS(call, proto, args, tstruct, assign, print) \
static notrace void \
perf_trace_templ_##call(struct ftrace_event_call *event_call, \
- proto) \
+ struct pt_regs *__regs, proto) \
{ \
struct ftrace_data_offsets_##call __maybe_unused __data_offsets;\
struct ftrace_raw_##call *entry; \
u64 __addr = 0, __count = 1; \
unsigned long irq_flags; \
- struct pt_regs *__regs; \
int __entry_size; \
int __data_size; \
int rctx; \
@@ -790,20 +789,22 @@ perf_trace_templ_##call(struct ftrace_event_call *event_call, \
\
{ assign; } \
\
- __regs = &__get_cpu_var(perf_trace_regs); \
- perf_fetch_caller_regs(__regs, 2); \
- \
perf_trace_buf_submit(entry, __entry_size, rctx, __addr, \
__count, irq_flags, __regs); \
}
#undef DEFINE_EVENT
-#define DEFINE_EVENT(template, call, proto, args) \
-static notrace void perf_trace_##call(proto) \
-{ \
- struct ftrace_event_call *event_call = &event_##call; \
- \
- perf_trace_templ_##template(event_call, args); \
+#define DEFINE_EVENT(template, call, proto, args) \
+static notrace void perf_trace_##call(proto) \
+{ \
+ struct ftrace_event_call *event_call = &event_##call; \
+ struct pt_regs *__regs = &get_cpu_var(perf_trace_regs); \
+ \
+ perf_fetch_caller_regs(__regs, 1); \
+ \
+ perf_trace_templ_##template(event_call, __regs, args); \
+ \
+ put_cpu_var(perf_trace_regs); \
}
#undef DEFINE_EVENT_PRINT
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-12 18:41:05 +0000