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Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip

Browse source 
Pull perf updates from Ingo Molnar:
 "Kernel side changes:

   - Ftrace is one of the last W^X violators (after this only KLP is
     left). These patches move it over to the generic text_poke()
     interface and thereby get rid of this oddity. This requires a
     surprising amount of surgery, by Peter Zijlstra.

   - x86/AMD PMUs: add support for 'Large Increment per Cycle Events' to
     count certain types of events that have a special, quirky hw ABI
     (by Kim Phillips)

   - kprobes fixes by Masami Hiramatsu

  Lots of tooling updates as well, the following subcommands were
  updated: annotate/report/top, c2c, clang, record, report/top TUI,
  sched timehist, tests; plus updates were done to the gtk ui, libperf,
  headers and the parser"

* 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: (57 commits)
  perf/x86/amd: Add support for Large Increment per Cycle Events
  perf/x86/amd: Constrain Large Increment per Cycle events
  perf/x86/intel/rapl: Add Comet Lake support
  tracing: Initialize ret in syscall_enter_define_fields()
  perf header: Use last modification time for timestamp
  perf c2c: Fix return type for histogram sorting comparision functions
  perf beauty sockaddr: Fix augmented syscall format warning
  perf/ui/gtk: Fix gtk2 build
  perf ui gtk: Add missing zalloc object
  perf tools: Use %define api.pure full instead of %pure-parser
  libperf: Setup initial evlist::all_cpus value
  perf report: Fix no libunwind compiled warning break s390 issue
  perf tools: Support --prefix/--prefix-strip
  perf report: Clarify in help that --children is default
  tools build: Fix test-clang.cpp with Clang 8+
  perf clang: Fix build with Clang 9
  kprobes: Fix optimize_kprobe()/unoptimize_kprobe() cancellation logic
  tools lib: Fix builds when glibc contains strlcpy()
  perf report/top: Make 'e' visible in the help and make it toggle showing callchains
  perf report/top: Do not offer annotation for symbols without samples
  ...
This commit is contained in:
Linus Torvalds 2020-01-28 09:44:15 -08:00
commit c0e809e244
128 changed files with 2526 additions and 1602 deletions
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4
include/linux/module.h
View file

@ -849,13 +849,9 @@ extern int module_sysfs_initialized;
#define __MODULE_STRING(x) __stringify(x)
#ifdef CONFIG_STRICT_MODULE_RWX
extern void set_all_modules_text_rw(void);
extern void set_all_modules_text_ro(void);
extern void module_enable_ro(const struct module *mod, bool after_init);
extern void module_disable_ro(const struct module *mod);
#else
static inline void set_all_modules_text_rw(void) { }
static inline void set_all_modules_text_ro(void) { }
static inline void module_enable_ro(const struct module *mod, bool after_init) { }
static inline void module_disable_ro(const struct module *mod) { }
#endif

18
include/linux/trace_events.h
View file

@ -192,6 +192,22 @@ enum trace_reg {
struct trace_event_call;
#define TRACE_FUNCTION_TYPE ((const char *)~0UL)
struct trace_event_fields {
const char *type;
union {
struct {
const char *name;
const int size;
const int align;
const int is_signed;
const int filter_type;
};
int (*define_fields)(struct trace_event_call *);
};
};
struct trace_event_class {
const char *system;
void *probe;
@ -200,7 +216,7 @@ struct trace_event_class {
#endif
int (*reg)(struct trace_event_call *event,
enum trace_reg type, void *data);
int (*define_fields)(struct trace_event_call *);
struct trace_event_fields *fields_array;
struct list_head *(*get_fields)(struct trace_event_call *);
struct list_head fields;
int (*raw_init)(struct trace_event_call *);