[android-common:android17-6.18 32/32] include/linux/tracepoint.h:374:20: error: '__tracepoint_device_pm_callback_start' undeclared here (not in a function); did you mean '__tracepoint_dev_pm_qos_add_request'?
kernel test robot <[email protected]>
| Newsgroups | dev.linux.lists.oe-kbuild-all |
|---|---|
| Message-ID | <[email protected]> |
Hi Carlos,
FYI, the error/warning still remains.
tree: https://android.googlesource.com/kernel/common android17-6.18
head: 5c36f73a41f1533cae407eba882ca2940e1775f1
commit: 380603d5f29a2265cb058a9ce5f2171f096ccca1 [32/32] Merge 2be6a7503d32 ("Merge tag 'trace-unused-v6.17' of git://git.kernel.org/pub/scm/linux/kernel/git/trace/linux-trace") into android-mainline
config: arm64-randconfig-003-20260818 (https://download.01.org/0day-ci/archive/20260818/[email protected]/config)
compiler: aarch64-linux-gcc (GCC) 8.5.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260818/[email protected]/reproduce)
If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <[email protected]>
| Closes: https://lore.kernel.org/oe-kbuild-all/[email protected]/
All errors (new ones prefixed by >>):
In file included from include/linux/linkage.h:7,
from include/linux/printk.h:8,
from include/asm-generic/bug.h:22,
from arch/arm64/include/asm/bug.h:26,
from include/linux/bug.h:5,
from include/linux/fortify-string.h:6,
from include/linux/string.h:382,
from kernel/trace/power-traces.c:8:
>> include/linux/tracepoint.h:374:20: error: '__tracepoint_device_pm_callback_start' undeclared here (not in a function); did you mean '__tracepoint_dev_pm_qos_add_request'?
EXPORT_SYMBOL_GPL(__tracepoint_##name); \
^~~~~~~~~~~~~
include/linux/export.h:76:16: note: in definition of macro '__EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
include/linux/export.h:90:33: note: in expansion of macro '_EXPORT_SYMBOL'
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
^~~~~~~~~~~~~~
include/linux/tracepoint.h:374:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(__tracepoint_##name); \
^~~~~~~~~~~~~~~~~
kernel/trace/power-traces.c:20:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_start);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/tracepoint.h:375:20: error: '__traceiter_device_pm_callback_start' undeclared here (not in a function); did you mean '__tracepoint_device_pm_callback_start'?
EXPORT_SYMBOL_GPL(__traceiter_##name); \
^~~~~~~~~~~~
include/linux/export.h:76:16: note: in definition of macro '__EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
include/linux/export.h:90:33: note: in expansion of macro '_EXPORT_SYMBOL'
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
^~~~~~~~~~~~~~
include/linux/tracepoint.h:375:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(__traceiter_##name); \
^~~~~~~~~~~~~~~~~
kernel/trace/power-traces.c:20:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_start);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/static_call_types.h:9:33: error: '__SCK__tp_func_device_pm_callback_start' undeclared here (not in a function); did you mean '__tracepoint_device_pm_callback_start'?
#define STATIC_CALL_KEY_PREFIX __SCK__
^~~~~~~
include/linux/export.h:76:16: note: in definition of macro '__EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
include/linux/export.h:90:33: note: in expansion of macro '_EXPORT_SYMBOL'
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
^~~~~~~~~~~~~~
include/linux/static_call.h:348:38: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
#define EXPORT_STATIC_CALL_GPL(name) EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name))
^~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:84:22: note: in expansion of macro '___PASTE'
#define __PASTE(a,b) ___PASTE(a,b)
^~~~~~~~
include/linux/static_call_types.h:12:32: note: in expansion of macro '__PASTE'
#define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
^~~~~~~
include/linux/static_call_types.h:12:40: note: in expansion of macro 'STATIC_CALL_KEY_PREFIX'
#define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
^~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:348:56: note: in expansion of macro 'STATIC_CALL_KEY'
#define EXPORT_STATIC_CALL_GPL(name) EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name))
^~~~~~~~~~~~~~~
include/linux/tracepoint.h:376:2: note: in expansion of macro 'EXPORT_STATIC_CALL_GPL'
EXPORT_STATIC_CALL_GPL(tp_func_##name)
^~~~~~~~~~~~~~~~~~~~~~
kernel/trace/power-traces.c:20:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_start);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/tracepoint.h:374:20: error: '__tracepoint_device_pm_callback_end' undeclared here (not in a function); did you mean '__tracepoint_device_pm_callback_start'?
EXPORT_SYMBOL_GPL(__tracepoint_##name); \
^~~~~~~~~~~~~
include/linux/export.h:76:16: note: in definition of macro '__EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
include/linux/export.h:90:33: note: in expansion of macro '_EXPORT_SYMBOL'
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
^~~~~~~~~~~~~~
include/linux/tracepoint.h:374:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(__tracepoint_##name); \
^~~~~~~~~~~~~~~~~
kernel/trace/power-traces.c:21:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_end);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/tracepoint.h:375:20: error: '__traceiter_device_pm_callback_end' undeclared here (not in a function); did you mean '__tracepoint_device_pm_callback_end'?
EXPORT_SYMBOL_GPL(__traceiter_##name); \
^~~~~~~~~~~~
include/linux/export.h:76:16: note: in definition of macro '__EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
include/linux/export.h:90:33: note: in expansion of macro '_EXPORT_SYMBOL'
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
^~~~~~~~~~~~~~
include/linux/tracepoint.h:375:2: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
EXPORT_SYMBOL_GPL(__traceiter_##name); \
^~~~~~~~~~~~~~~~~
kernel/trace/power-traces.c:21:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_end);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
>> include/linux/static_call_types.h:9:33: error: '__SCK__tp_func_device_pm_callback_end' undeclared here (not in a function); did you mean '__SCK__tp_func_device_pm_callback_start'?
#define STATIC_CALL_KEY_PREFIX __SCK__
^~~~~~~
include/linux/export.h:76:16: note: in definition of macro '__EXPORT_SYMBOL'
extern typeof(sym) sym; \
^~~
include/linux/export.h:90:33: note: in expansion of macro '_EXPORT_SYMBOL'
#define EXPORT_SYMBOL_GPL(sym) _EXPORT_SYMBOL(sym, "GPL")
^~~~~~~~~~~~~~
include/linux/static_call.h:348:38: note: in expansion of macro 'EXPORT_SYMBOL_GPL'
#define EXPORT_STATIC_CALL_GPL(name) EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name))
^~~~~~~~~~~~~~~~~
include/linux/compiler_types.h:84:22: note: in expansion of macro '___PASTE'
#define __PASTE(a,b) ___PASTE(a,b)
^~~~~~~~
include/linux/static_call_types.h:12:32: note: in expansion of macro '__PASTE'
#define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
^~~~~~~
include/linux/static_call_types.h:12:40: note: in expansion of macro 'STATIC_CALL_KEY_PREFIX'
#define STATIC_CALL_KEY(name) __PASTE(STATIC_CALL_KEY_PREFIX, name)
^~~~~~~~~~~~~~~~~~~~~~
include/linux/static_call.h:348:56: note: in expansion of macro 'STATIC_CALL_KEY'
#define EXPORT_STATIC_CALL_GPL(name) EXPORT_SYMBOL_GPL(STATIC_CALL_KEY(name))
^~~~~~~~~~~~~~~
include/linux/tracepoint.h:376:2: note: in expansion of macro 'EXPORT_STATIC_CALL_GPL'
EXPORT_STATIC_CALL_GPL(tp_func_##name)
^~~~~~~~~~~~~~~~~~~~~~
kernel/trace/power-traces.c:21:1: note: in expansion of macro 'EXPORT_TRACEPOINT_SYMBOL_GPL'
EXPORT_TRACEPOINT_SYMBOL_GPL(device_pm_callback_end);
^~~~~~~~~~~~~~~~~~~~~~~~~~~~
vim +374 include/linux/tracepoint.h
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 211)
ad37bcd965fda4 Alice Ryhl 2024-10-30 212 /*
ad37bcd965fda4 Alice Ryhl 2024-10-30 213 * Declare an exported function that Rust code can call to trigger this
ad37bcd965fda4 Alice Ryhl 2024-10-30 214 * tracepoint. This function does not include the static branch; that is done
ad37bcd965fda4 Alice Ryhl 2024-10-30 215 * in Rust to avoid a function call when the tracepoint is disabled.
ad37bcd965fda4 Alice Ryhl 2024-10-30 216 */
ad37bcd965fda4 Alice Ryhl 2024-10-30 217 #define DEFINE_RUST_DO_TRACE(name, proto, args)
ad37bcd965fda4 Alice Ryhl 2024-10-30 218 #define __DEFINE_RUST_DO_TRACE(name, proto, args) \
ad37bcd965fda4 Alice Ryhl 2024-10-30 219 notrace void rust_do_trace_##name(proto) \
ad37bcd965fda4 Alice Ryhl 2024-10-30 220 { \
cff6d93eab00ba Alice Ryhl 2024-12-12 221 __do_trace_##name(args); \
ad37bcd965fda4 Alice Ryhl 2024-10-30 222 }
ad37bcd965fda4 Alice Ryhl 2024-10-30 223
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 224 /*
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 225 * Make sure the alignment of the structure in the __tracepoints section will
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 226 * not add unwanted padding between the beginning of the section and the
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 227 * structure. Force alignment to the same alignment as the section start.
3a630178fd5f30 Dave Hansen 2014-08-07 228 *
c2679254b9c998 Steven Rostedt (Google 2023-03-10 229) * When lockdep is enabled, we make sure to always test if RCU is
c2679254b9c998 Steven Rostedt (Google 2023-03-10 230) * "watching" regardless if the tracepoint is enabled or not. Tracepoints
c2679254b9c998 Steven Rostedt (Google 2023-03-10 231) * require RCU to be active, and it should always warn at the tracepoint
c2679254b9c998 Steven Rostedt (Google 2023-03-10 232) * site if it is not watching, as it will need to be active when the
c2679254b9c998 Steven Rostedt (Google 2023-03-10 233) * tracepoint is enabled.
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 234 */
ef0d4186083127 Mathieu Desnoyers 2024-11-23 235 #define __DECLARE_TRACE_COMMON(name, proto, args, data_proto) \
de394e7568ce2c [email protected] 2020-09-08 236 extern int __traceiter_##name(data_proto); \
de394e7568ce2c [email protected] 2020-09-08 237 DECLARE_STATIC_CALL(tp_func_##name, __traceiter_##name); \
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 238 extern struct tracepoint __tracepoint_##name; \
ad37bcd965fda4 Alice Ryhl 2024-10-30 239 extern void rust_do_trace_##name(proto); \
38516ab59fbc5b Steven Rostedt 2010-04-20 240 static inline int \
38516ab59fbc5b Steven Rostedt 2010-04-20 241 register_trace_##name(void (*probe)(data_proto), void *data) \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 242 { \
de7b2973903c6c Mathieu Desnoyers 2014-04-08 243 return tracepoint_probe_register(&__tracepoint_##name, \
de7b2973903c6c Mathieu Desnoyers 2014-04-08 244 (void *)probe, data); \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 245 } \
38516ab59fbc5b Steven Rostedt 2010-04-20 246 static inline int \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 247) register_trace_prio_##name(void (*probe)(data_proto), void *data,\
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 248) int prio) \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 249) { \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 250) return tracepoint_probe_register_prio(&__tracepoint_##name, \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 251) (void *)probe, data, prio); \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 252) } \
7904b5c4988e18 Steven Rostedt (Red Hat 2015-09-22 253) static inline int \
38516ab59fbc5b Steven Rostedt 2010-04-20 254 unregister_trace_##name(void (*probe)(data_proto), void *data) \
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 255 { \
de7b2973903c6c Mathieu Desnoyers 2014-04-08 256 return tracepoint_probe_unregister(&__tracepoint_##name,\
de7b2973903c6c Mathieu Desnoyers 2014-04-08 257 (void *)probe, data); \
53da59aa6dd881 Mathieu Desnoyers 2010-04-30 258 } \
38516ab59fbc5b Steven Rostedt 2010-04-20 259 static inline void \
38516ab59fbc5b Steven Rostedt 2010-04-20 260 check_trace_callback_type_##name(void (*cb)(data_proto)) \
53da59aa6dd881 Mathieu Desnoyers 2010-04-30 261 { \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 262) } \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 263) static inline bool \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 264) trace_##name##_enabled(void) \
7c65bbc7dcface Steven Rostedt (Red Hat 2014-05-06 265) { \
4a8840af5f53f2 Josh Poimboeuf 2024-10-08 266 return static_branch_unlikely(&__tracepoint_##name.key);\
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 267 }
97e1c18e8d17bd Mathieu Desnoyers 2008-07-18 268
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 269 #define __DECLARE_TRACE(name, proto, args, cond, data_proto) \
ef0d4186083127 Mathieu Desnoyers 2024-11-23 270 __DECLARE_TRACE_COMMON(name, PARAMS(proto), PARAMS(args), PARAMS(data_proto)) \
cff6d93eab00ba Alice Ryhl 2024-12-12 271 static inline void __do_trace_##name(proto) \
ad37bcd965fda4 Alice Ryhl 2024-10-30 272 { \
7af08b57bcb9eb Linus Torvalds 2024-11-28 273 if (cond) { \
7af08b57bcb9eb Linus Torvalds 2024-11-28 274 guard(preempt_notrace)(); \
7af08b57bcb9eb Linus Torvalds 2024-11-28 275 __DO_TRACE_CALL(name, TP_ARGS(args)); \
7af08b57bcb9eb Linus Torvalds 2024-11-28 276 } \
ad37bcd965fda4 Alice Ryhl 2024-10-30 277 } \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 278 static inline void trace_##name(proto) \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 279 { \
cff6d93eab00ba Alice Ryhl 2024-12-12 280 if (static_branch_unlikely(&__tracepoint_##name.key)) \
cff6d93eab00ba Alice Ryhl 2024-12-12 281 __do_trace_##name(args); \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 282 if (IS_ENABLED(CONFIG_LOCKDEP) && (cond)) { \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 283 WARN_ONCE(!rcu_is_watching(), \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 284 "RCU not watching for tracepoint"); \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 285 } \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 286 }
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 287
ef0d4186083127 Mathieu Desnoyers 2024-11-23 288 #define __DECLARE_TRACE_SYSCALL(name, proto, args, data_proto) \
ef0d4186083127 Mathieu Desnoyers 2024-11-23 289 __DECLARE_TRACE_COMMON(name, PARAMS(proto), PARAMS(args), PARAMS(data_proto)) \
cff6d93eab00ba Alice Ryhl 2024-12-12 290 static inline void __do_trace_##name(proto) \
ad37bcd965fda4 Alice Ryhl 2024-10-30 291 { \
7af08b57bcb9eb Linus Torvalds 2024-11-28 292 guard(rcu_tasks_trace)(); \
7af08b57bcb9eb Linus Torvalds 2024-11-28 293 __DO_TRACE_CALL(name, TP_ARGS(args)); \
ad37bcd965fda4 Alice Ryhl 2024-10-30 294 } \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 295 static inline void trace_##name(proto) \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 296 { \
ee3685a98ea920 Mathieu Desnoyers 2024-10-31 297 might_fault(); \
cff6d93eab00ba Alice Ryhl 2024-12-12 298 if (static_branch_unlikely(&__tracepoint_##name.key)) \
cff6d93eab00ba Alice Ryhl 2024-12-12 299 __do_trace_##name(args); \
ef0d4186083127 Mathieu Desnoyers 2024-11-23 300 if (IS_ENABLED(CONFIG_LOCKDEP)) { \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 301 WARN_ONCE(!rcu_is_watching(), \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 302 "RCU not watching for tracepoint"); \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 303 } \
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 304 }
0e6caab8db8bc9 Mathieu Desnoyers 2024-10-08 305
654986462939cd Mathieu Desnoyers 2011-01-26 306 /*
654986462939cd Mathieu Desnoyers 2011-01-26 307 * We have no guarantee that gcc and the linker won't up-align the tracepoint
654986462939cd Mathieu Desnoyers 2011-01-26 308 * structures, so we create an array of pointers that will be used for iteration
654986462939cd Mathieu Desnoyers 2011-01-26 309 * on the tracepoints.
306d40aa53b671 Mathieu Desnoyers 2024-11-23 310 *
306d40aa53b671 Mathieu Desnoyers 2024-11-23 311 * it_func[0] is never NULL because there is at least one element in the array
306d40aa53b671 Mathieu Desnoyers 2024-11-23 312 * when the array itself is non NULL.
654986462939cd Mathieu Desnoyers 2011-01-26 313 */
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 314 #define __DEFINE_TRACE_EXT(_name, _ext, proto, args) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 315) static const char __tpstrtab_##_name[] \
33def8498fdde1 Joe Perches 2020-10-21 316 __section("__tracepoints_strings") = #_name; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 317) extern struct static_call_key STATIC_CALL_KEY(tp_func_##_name); \
de394e7568ce2c [email protected] 2020-09-08 318 int __traceiter_##_name(void *__data, proto); \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 319) void __probestub_##_name(void *__data, proto); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 320) struct tracepoint __tracepoint_##_name __used \
33def8498fdde1 Joe Perches 2020-10-21 321 __section("__tracepoints") = { \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 322) .name = __tpstrtab_##_name, \
4a8840af5f53f2 Josh Poimboeuf 2024-10-08 323 .key = STATIC_KEY_FALSE_INIT, \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 324) .static_call_key = &STATIC_CALL_KEY(tp_func_##_name), \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 325) .static_call_tramp = STATIC_CALL_TRAMP_ADDR(tp_func_##_name), \
de394e7568ce2c [email protected] 2020-09-08 326 .iterator = &__traceiter_##_name, \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 327) .probestub = &__probestub_##_name, \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 328 .funcs = NULL, \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 329 .ext = _ext, \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 330 }; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 331) __TRACEPOINT_ENTRY(_name); \
de394e7568ce2c [email protected] 2020-09-08 332 int __traceiter_##_name(void *__data, proto) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 333) { \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 334) struct tracepoint_func *it_func_ptr; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 335) void *it_func; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 336) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 337) it_func_ptr = \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 338) rcu_dereference_raw((&__tracepoint_##_name)->funcs); \
c8b186a8d54d7e Alexey Kardashevskiy 2021-02-02 339 if (it_func_ptr) { \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 340) do { \
7211f0a25781ac Steven Rostedt (VMware 2021-02-04 341) it_func = READ_ONCE((it_func_ptr)->func); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 342) __data = (it_func_ptr)->data; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 343) ((void(*)(void *, proto))(it_func))(__data, args); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 344) } while ((++it_func_ptr)->func); \
c8b186a8d54d7e Alexey Kardashevskiy 2021-02-02 345 } \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 346) return 0; \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 347) } \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 348) void __probestub_##_name(void *__data, proto) \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 349) { \
e2d0d7b2f42dca Masami Hiramatsu (Google 2023-06-06 350) } \
ad37bcd965fda4 Alice Ryhl 2024-10-30 351 DEFINE_STATIC_CALL(tp_func_##_name, __traceiter_##_name); \
ad37bcd965fda4 Alice Ryhl 2024-10-30 352 DEFINE_RUST_DO_TRACE(_name, TP_PROTO(proto), TP_ARGS(args))
97419875865859 Josh Stone 2009-08-24 353
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 354 #define DEFINE_TRACE_FN(_name, _reg, _unreg, _proto, _args) \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 355 static struct tracepoint_ext __tracepoint_ext_##_name = { \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 356 .regfunc = _reg, \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 357 .unregfunc = _unreg, \
654ced4a13774e Mathieu Desnoyers 2024-10-31 358 .faultable = false, \
654ced4a13774e Mathieu Desnoyers 2024-10-31 359 }; \
654ced4a13774e Mathieu Desnoyers 2024-10-31 360 __DEFINE_TRACE_EXT(_name, &__tracepoint_ext_##_name, PARAMS(_proto), PARAMS(_args));
654ced4a13774e Mathieu Desnoyers 2024-10-31 361
654ced4a13774e Mathieu Desnoyers 2024-10-31 362 #define DEFINE_TRACE_SYSCALL(_name, _reg, _unreg, _proto, _args) \
654ced4a13774e Mathieu Desnoyers 2024-10-31 363 static struct tracepoint_ext __tracepoint_ext_##_name = { \
654ced4a13774e Mathieu Desnoyers 2024-10-31 364 .regfunc = _reg, \
654ced4a13774e Mathieu Desnoyers 2024-10-31 365 .unregfunc = _unreg, \
654ced4a13774e Mathieu Desnoyers 2024-10-31 366 .faultable = true, \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 367 }; \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 368 __DEFINE_TRACE_EXT(_name, &__tracepoint_ext_##_name, PARAMS(_proto), PARAMS(_args));
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 369
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 370 #define DEFINE_TRACE(_name, _proto, _args) \
a9cfb8778c43fc Mathieu Desnoyers 2024-10-31 371 __DEFINE_TRACE_EXT(_name, NULL, PARAMS(_proto), PARAMS(_args));
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 372
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 373 #define EXPORT_TRACEPOINT_SYMBOL_GPL(name) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 @374) EXPORT_SYMBOL_GPL(__tracepoint_##name); \
de394e7568ce2c [email protected] 2020-09-08 @375 EXPORT_SYMBOL_GPL(__traceiter_##name); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 376) EXPORT_STATIC_CALL_GPL(tp_func_##name)
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 377 #define EXPORT_TRACEPOINT_SYMBOL(name) \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 378) EXPORT_SYMBOL(__tracepoint_##name); \
de394e7568ce2c [email protected] 2020-09-08 379 EXPORT_SYMBOL(__traceiter_##name); \
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 380) EXPORT_STATIC_CALL(tp_func_##name)
d25e37d89dd2f4 Steven Rostedt (VMware 2020-08-18 381)
7e066fb870fcd1 Mathieu Desnoyers 2008-11-14 382
:::::: The code at line 374 was first introduced by commit
:::::: d25e37d89dd2f41d7acae0429039d2f0ae8b4a07 tracepoint: Optimize using static_call()
:::::: TO: Steven Rostedt (VMware) <[email protected]>
:::::: CC: Ingo Molnar <[email protected]>
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