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-rw-r--r--kernel/trace/Kconfig20
-rw-r--r--kernel/trace/Makefile1
-rw-r--r--kernel/trace/kmemtrace.c529
-rw-r--r--kernel/trace/trace.h12
-rw-r--r--kernel/trace/trace_entries.h35
5 files changed, 0 insertions, 597 deletions
diff --git a/kernel/trace/Kconfig b/kernel/trace/Kconfig
index 572992abc71c..f669092fdead 100644
--- a/kernel/trace/Kconfig
+++ b/kernel/trace/Kconfig
@@ -354,26 +354,6 @@ config STACK_TRACER
354 354
355 Say N if unsure. 355 Say N if unsure.
356 356
357config KMEMTRACE
358 bool "Trace SLAB allocations"
359 select GENERIC_TRACER
360 help
361 kmemtrace provides tracing for slab allocator functions, such as
362 kmalloc, kfree, kmem_cache_alloc, kmem_cache_free, etc. Collected
363 data is then fed to the userspace application in order to analyse
364 allocation hotspots, internal fragmentation and so on, making it
365 possible to see how well an allocator performs, as well as debug
366 and profile kernel code.
367
368 This requires an userspace application to use. See
369 Documentation/trace/kmemtrace.txt for more information.
370
371 Saying Y will make the kernel somewhat larger and slower. However,
372 if you disable kmemtrace at run-time or boot-time, the performance
373 impact is minimal (depending on the arch the kernel is built for).
374
375 If unsure, say N.
376
377config WORKQUEUE_TRACER 357config WORKQUEUE_TRACER
378 bool "Trace workqueues" 358 bool "Trace workqueues"
379 select GENERIC_TRACER 359 select GENERIC_TRACER
diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index c3aaeba82372..469a1c7555a5 100644
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -40,7 +40,6 @@ obj-$(CONFIG_STACK_TRACER) += trace_stack.o
40obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o 40obj-$(CONFIG_MMIOTRACE) += trace_mmiotrace.o
41obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_functions_graph.o 41obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += trace_functions_graph.o
42obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_branch.o 42obj-$(CONFIG_TRACE_BRANCH_PROFILING) += trace_branch.o
43obj-$(CONFIG_KMEMTRACE) += kmemtrace.o
44obj-$(CONFIG_WORKQUEUE_TRACER) += trace_workqueue.o 43obj-$(CONFIG_WORKQUEUE_TRACER) += trace_workqueue.o
45obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o 44obj-$(CONFIG_BLK_DEV_IO_TRACE) += blktrace.o
46ifeq ($(CONFIG_BLOCK),y) 45ifeq ($(CONFIG_BLOCK),y)
diff --git a/kernel/trace/kmemtrace.c b/kernel/trace/kmemtrace.c
deleted file mode 100644
index bbfc1bb1660b..000000000000
--- a/kernel/trace/kmemtrace.c
+++ /dev/null
@@ -1,529 +0,0 @@
1/*
2 * Memory allocator tracing
3 *
4 * Copyright (C) 2008 Eduard - Gabriel Munteanu
5 * Copyright (C) 2008 Pekka Enberg <penberg@cs.helsinki.fi>
6 * Copyright (C) 2008 Frederic Weisbecker <fweisbec@gmail.com>
7 */
8
9#include <linux/tracepoint.h>
10#include <linux/seq_file.h>
11#include <linux/debugfs.h>
12#include <linux/dcache.h>
13#include <linux/fs.h>
14
15#include <linux/kmemtrace.h>
16
17#include "trace_output.h"
18#include "trace.h"
19
20/* Select an alternative, minimalistic output than the original one */
21#define TRACE_KMEM_OPT_MINIMAL 0x1
22
23static struct tracer_opt kmem_opts[] = {
24 /* Default disable the minimalistic output */
25 { TRACER_OPT(kmem_minimalistic, TRACE_KMEM_OPT_MINIMAL) },
26 { }
27};
28
29static struct tracer_flags kmem_tracer_flags = {
30 .val = 0,
31 .opts = kmem_opts
32};
33
34static struct trace_array *kmemtrace_array;
35
36/* Trace allocations */
37static inline void kmemtrace_alloc(enum kmemtrace_type_id type_id,
38 unsigned long call_site,
39 const void *ptr,
40 size_t bytes_req,
41 size_t bytes_alloc,
42 gfp_t gfp_flags,
43 int node)
44{
45 struct ftrace_event_call *call = &event_kmem_alloc;
46 struct trace_array *tr = kmemtrace_array;
47 struct kmemtrace_alloc_entry *entry;
48 struct ring_buffer_event *event;
49
50 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
51 if (!event)
52 return;
53
54 entry = ring_buffer_event_data(event);
55 tracing_generic_entry_update(&entry->ent, 0, 0);
56
57 entry->ent.type = TRACE_KMEM_ALLOC;
58 entry->type_id = type_id;
59 entry->call_site = call_site;
60 entry->ptr = ptr;
61 entry->bytes_req = bytes_req;
62 entry->bytes_alloc = bytes_alloc;
63 entry->gfp_flags = gfp_flags;
64 entry->node = node;
65
66 if (!filter_check_discard(call, entry, tr->buffer, event))
67 ring_buffer_unlock_commit(tr->buffer, event);
68
69 trace_wake_up();
70}
71
72static inline void kmemtrace_free(enum kmemtrace_type_id type_id,
73 unsigned long call_site,
74 const void *ptr)
75{
76 struct ftrace_event_call *call = &event_kmem_free;
77 struct trace_array *tr = kmemtrace_array;
78 struct kmemtrace_free_entry *entry;
79 struct ring_buffer_event *event;
80
81 event = ring_buffer_lock_reserve(tr->buffer, sizeof(*entry));
82 if (!event)
83 return;
84 entry = ring_buffer_event_data(event);
85 tracing_generic_entry_update(&entry->ent, 0, 0);
86
87 entry->ent.type = TRACE_KMEM_FREE;
88 entry->type_id = type_id;
89 entry->call_site = call_site;
90 entry->ptr = ptr;
91
92 if (!filter_check_discard(call, entry, tr->buffer, event))
93 ring_buffer_unlock_commit(tr->buffer, event);
94
95 trace_wake_up();
96}
97
98static void kmemtrace_kmalloc(void *ignore,
99 unsigned long call_site,
100 const void *ptr,
101 size_t bytes_req,
102 size_t bytes_alloc,
103 gfp_t gfp_flags)
104{
105 kmemtrace_alloc(KMEMTRACE_TYPE_KMALLOC, call_site, ptr,
106 bytes_req, bytes_alloc, gfp_flags, -1);
107}
108
109static void kmemtrace_kmem_cache_alloc(void *ignore,
110 unsigned long call_site,
111 const void *ptr,
112 size_t bytes_req,
113 size_t bytes_alloc,
114 gfp_t gfp_flags)
115{
116 kmemtrace_alloc(KMEMTRACE_TYPE_CACHE, call_site, ptr,
117 bytes_req, bytes_alloc, gfp_flags, -1);
118}
119
120static void kmemtrace_kmalloc_node(void *ignore,
121 unsigned long call_site,
122 const void *ptr,
123 size_t bytes_req,
124 size_t bytes_alloc,
125 gfp_t gfp_flags,
126 int node)
127{
128 kmemtrace_alloc(KMEMTRACE_TYPE_KMALLOC, call_site, ptr,
129 bytes_req, bytes_alloc, gfp_flags, node);
130}
131
132static void kmemtrace_kmem_cache_alloc_node(void *ignore,
133 unsigned long call_site,
134 const void *ptr,
135 size_t bytes_req,
136 size_t bytes_alloc,
137 gfp_t gfp_flags,
138 int node)
139{
140 kmemtrace_alloc(KMEMTRACE_TYPE_CACHE, call_site, ptr,
141 bytes_req, bytes_alloc, gfp_flags, node);
142}
143
144static void
145kmemtrace_kfree(void *ignore, unsigned long call_site, const void *ptr)
146{
147 kmemtrace_free(KMEMTRACE_TYPE_KMALLOC, call_site, ptr);
148}
149
150static void kmemtrace_kmem_cache_free(void *ignore,
151 unsigned long call_site, const void *ptr)
152{
153 kmemtrace_free(KMEMTRACE_TYPE_CACHE, call_site, ptr);
154}
155
156static int kmemtrace_start_probes(void)
157{
158 int err;
159
160 err = register_trace_kmalloc(kmemtrace_kmalloc, NULL);
161 if (err)
162 return err;
163 err = register_trace_kmem_cache_alloc(kmemtrace_kmem_cache_alloc, NULL);
164 if (err)
165 return err;
166 err = register_trace_kmalloc_node(kmemtrace_kmalloc_node, NULL);
167 if (err)
168 return err;
169 err = register_trace_kmem_cache_alloc_node(kmemtrace_kmem_cache_alloc_node, NULL);
170 if (err)
171 return err;
172 err = register_trace_kfree(kmemtrace_kfree, NULL);
173 if (err)
174 return err;
175 err = register_trace_kmem_cache_free(kmemtrace_kmem_cache_free, NULL);
176
177 return err;
178}
179
180static void kmemtrace_stop_probes(void)
181{
182 unregister_trace_kmalloc(kmemtrace_kmalloc, NULL);
183 unregister_trace_kmem_cache_alloc(kmemtrace_kmem_cache_alloc, NULL);
184 unregister_trace_kmalloc_node(kmemtrace_kmalloc_node, NULL);
185 unregister_trace_kmem_cache_alloc_node(kmemtrace_kmem_cache_alloc_node, NULL);
186 unregister_trace_kfree(kmemtrace_kfree, NULL);
187 unregister_trace_kmem_cache_free(kmemtrace_kmem_cache_free, NULL);
188}
189
190static int kmem_trace_init(struct trace_array *tr)
191{
192 kmemtrace_array = tr;
193
194 tracing_reset_online_cpus(tr);
195
196 kmemtrace_start_probes();
197
198 return 0;
199}
200
201static void kmem_trace_reset(struct trace_array *tr)
202{
203 kmemtrace_stop_probes();
204}
205
206static void kmemtrace_headers(struct seq_file *s)
207{
208 /* Don't need headers for the original kmemtrace output */
209 if (!(kmem_tracer_flags.val & TRACE_KMEM_OPT_MINIMAL))
210 return;
211
212 seq_printf(s, "#\n");
213 seq_printf(s, "# ALLOC TYPE REQ GIVEN FLAGS "
214 " POINTER NODE CALLER\n");
215 seq_printf(s, "# FREE | | | | "
216 " | | | |\n");
217 seq_printf(s, "# |\n\n");
218}
219
220/*
221 * The following functions give the original output from kmemtrace,
222 * plus the origin CPU, since reordering occurs in-kernel now.
223 */
224
225#define KMEMTRACE_USER_ALLOC 0
226#define KMEMTRACE_USER_FREE 1
227
228struct kmemtrace_user_event {
229 u8 event_id;
230 u8 type_id;
231 u16 event_size;
232 u32 cpu;
233 u64 timestamp;
234 unsigned long call_site;
235 unsigned long ptr;
236};
237
238struct kmemtrace_user_event_alloc {
239 size_t bytes_req;
240 size_t bytes_alloc;
241 unsigned gfp_flags;
242 int node;
243};
244
245static enum print_line_t
246kmemtrace_print_alloc(struct trace_iterator *iter, int flags,
247 struct trace_event *event)
248{
249 struct trace_seq *s = &iter->seq;
250 struct kmemtrace_alloc_entry *entry;
251 int ret;
252
253 trace_assign_type(entry, iter->ent);
254
255 ret = trace_seq_printf(s, "type_id %d call_site %pF ptr %lu "
256 "bytes_req %lu bytes_alloc %lu gfp_flags %lu node %d\n",
257 entry->type_id, (void *)entry->call_site, (unsigned long)entry->ptr,
258 (unsigned long)entry->bytes_req, (unsigned long)entry->bytes_alloc,
259 (unsigned long)entry->gfp_flags, entry->node);
260
261 if (!ret)
262 return TRACE_TYPE_PARTIAL_LINE;
263 return TRACE_TYPE_HANDLED;
264}
265
266static enum print_line_t
267kmemtrace_print_free(struct trace_iterator *iter, int flags,
268 struct trace_event *event)
269{
270 struct trace_seq *s = &iter->seq;
271 struct kmemtrace_free_entry *entry;
272 int ret;
273
274 trace_assign_type(entry, iter->ent);
275
276 ret = trace_seq_printf(s, "type_id %d call_site %pF ptr %lu\n",
277 entry->type_id, (void *)entry->call_site,
278 (unsigned long)entry->ptr);
279
280 if (!ret)
281 return TRACE_TYPE_PARTIAL_LINE;
282 return TRACE_TYPE_HANDLED;
283}
284
285static enum print_line_t
286kmemtrace_print_alloc_user(struct trace_iterator *iter, int flags,
287 struct trace_event *event)
288{
289 struct trace_seq *s = &iter->seq;
290 struct kmemtrace_alloc_entry *entry;
291 struct kmemtrace_user_event *ev;
292 struct kmemtrace_user_event_alloc *ev_alloc;
293
294 trace_assign_type(entry, iter->ent);
295
296 ev = trace_seq_reserve(s, sizeof(*ev));
297 if (!ev)
298 return TRACE_TYPE_PARTIAL_LINE;
299
300 ev->event_id = KMEMTRACE_USER_ALLOC;
301 ev->type_id = entry->type_id;
302 ev->event_size = sizeof(*ev) + sizeof(*ev_alloc);
303 ev->cpu = iter->cpu;
304 ev->timestamp = iter->ts;
305 ev->call_site = entry->call_site;
306 ev->ptr = (unsigned long)entry->ptr;
307
308 ev_alloc = trace_seq_reserve(s, sizeof(*ev_alloc));
309 if (!ev_alloc)
310 return TRACE_TYPE_PARTIAL_LINE;
311
312 ev_alloc->bytes_req = entry->bytes_req;
313 ev_alloc->bytes_alloc = entry->bytes_alloc;
314 ev_alloc->gfp_flags = entry->gfp_flags;
315 ev_alloc->node = entry->node;
316
317 return TRACE_TYPE_HANDLED;
318}
319
320static enum print_line_t
321kmemtrace_print_free_user(struct trace_iterator *iter, int flags,
322 struct trace_event *event)
323{
324 struct trace_seq *s = &iter->seq;
325 struct kmemtrace_free_entry *entry;
326 struct kmemtrace_user_event *ev;
327
328 trace_assign_type(entry, iter->ent);
329
330 ev = trace_seq_reserve(s, sizeof(*ev));
331 if (!ev)
332 return TRACE_TYPE_PARTIAL_LINE;
333
334 ev->event_id = KMEMTRACE_USER_FREE;
335 ev->type_id = entry->type_id;
336 ev->event_size = sizeof(*ev);
337 ev->cpu = iter->cpu;
338 ev->timestamp = iter->ts;
339 ev->call_site = entry->call_site;
340 ev->ptr = (unsigned long)entry->ptr;
341
342 return TRACE_TYPE_HANDLED;
343}
344
345/* The two other following provide a more minimalistic output */
346static enum print_line_t
347kmemtrace_print_alloc_compress(struct trace_iterator *iter)
348{
349 struct kmemtrace_alloc_entry *entry;
350 struct trace_seq *s = &iter->seq;
351 int ret;
352
353 trace_assign_type(entry, iter->ent);
354
355 /* Alloc entry */
356 ret = trace_seq_printf(s, " + ");
357 if (!ret)
358 return TRACE_TYPE_PARTIAL_LINE;
359
360 /* Type */
361 switch (entry->type_id) {
362 case KMEMTRACE_TYPE_KMALLOC:
363 ret = trace_seq_printf(s, "K ");
364 break;
365 case KMEMTRACE_TYPE_CACHE:
366 ret = trace_seq_printf(s, "C ");
367 break;
368 case KMEMTRACE_TYPE_PAGES:
369 ret = trace_seq_printf(s, "P ");
370 break;
371 default:
372 ret = trace_seq_printf(s, "? ");
373 }
374
375 if (!ret)
376 return TRACE_TYPE_PARTIAL_LINE;
377
378 /* Requested */
379 ret = trace_seq_printf(s, "%4zu ", entry->bytes_req);
380 if (!ret)
381 return TRACE_TYPE_PARTIAL_LINE;
382
383 /* Allocated */
384 ret = trace_seq_printf(s, "%4zu ", entry->bytes_alloc);
385 if (!ret)
386 return TRACE_TYPE_PARTIAL_LINE;
387
388 /* Flags
389 * TODO: would be better to see the name of the GFP flag names
390 */
391 ret = trace_seq_printf(s, "%08x ", entry->gfp_flags);
392 if (!ret)
393 return TRACE_TYPE_PARTIAL_LINE;
394
395 /* Pointer to allocated */
396 ret = trace_seq_printf(s, "0x%tx ", (ptrdiff_t)entry->ptr);
397 if (!ret)
398 return TRACE_TYPE_PARTIAL_LINE;
399
400 /* Node and call site*/
401 ret = trace_seq_printf(s, "%4d %pf\n", entry->node,
402 (void *)entry->call_site);
403 if (!ret)
404 return TRACE_TYPE_PARTIAL_LINE;
405
406 return TRACE_TYPE_HANDLED;
407}
408
409static enum print_line_t
410kmemtrace_print_free_compress(struct trace_iterator *iter)
411{
412 struct kmemtrace_free_entry *entry;
413 struct trace_seq *s = &iter->seq;
414 int ret;
415
416 trace_assign_type(entry, iter->ent);
417
418 /* Free entry */
419 ret = trace_seq_printf(s, " - ");
420 if (!ret)
421 return TRACE_TYPE_PARTIAL_LINE;
422
423 /* Type */
424 switch (entry->type_id) {
425 case KMEMTRACE_TYPE_KMALLOC:
426 ret = trace_seq_printf(s, "K ");
427 break;
428 case KMEMTRACE_TYPE_CACHE:
429 ret = trace_seq_printf(s, "C ");
430 break;
431 case KMEMTRACE_TYPE_PAGES:
432 ret = trace_seq_printf(s, "P ");
433 break;
434 default:
435 ret = trace_seq_printf(s, "? ");
436 }
437
438 if (!ret)
439 return TRACE_TYPE_PARTIAL_LINE;
440
441 /* Skip requested/allocated/flags */
442 ret = trace_seq_printf(s, " ");
443 if (!ret)
444 return TRACE_TYPE_PARTIAL_LINE;
445
446 /* Pointer to allocated */
447 ret = trace_seq_printf(s, "0x%tx ", (ptrdiff_t)entry->ptr);
448 if (!ret)
449 return TRACE_TYPE_PARTIAL_LINE;
450
451 /* Skip node and print call site*/
452 ret = trace_seq_printf(s, " %pf\n", (void *)entry->call_site);
453 if (!ret)
454 return TRACE_TYPE_PARTIAL_LINE;
455
456 return TRACE_TYPE_HANDLED;
457}
458
459static enum print_line_t kmemtrace_print_line(struct trace_iterator *iter)
460{
461 struct trace_entry *entry = iter->ent;
462
463 if (!(kmem_tracer_flags.val & TRACE_KMEM_OPT_MINIMAL))
464 return TRACE_TYPE_UNHANDLED;
465
466 switch (entry->type) {
467 case TRACE_KMEM_ALLOC:
468 return kmemtrace_print_alloc_compress(iter);
469 case TRACE_KMEM_FREE:
470 return kmemtrace_print_free_compress(iter);
471 default:
472 return TRACE_TYPE_UNHANDLED;
473 }
474}
475
476static struct trace_event_functions kmem_trace_alloc_funcs = {
477 .trace = kmemtrace_print_alloc,
478 .binary = kmemtrace_print_alloc_user,
479};
480
481static struct trace_event kmem_trace_alloc = {
482 .type = TRACE_KMEM_ALLOC,
483 .funcs = &kmem_trace_alloc_funcs,
484};
485
486static struct trace_event_functions kmem_trace_free_funcs = {
487 .trace = kmemtrace_print_free,
488 .binary = kmemtrace_print_free_user,
489};
490
491static struct trace_event kmem_trace_free = {
492 .type = TRACE_KMEM_FREE,
493 .funcs = &kmem_trace_free_funcs,
494};
495
496static struct tracer kmem_tracer __read_mostly = {
497 .name = "kmemtrace",
498 .init = kmem_trace_init,
499 .reset = kmem_trace_reset,
500 .print_line = kmemtrace_print_line,
501 .print_header = kmemtrace_headers,
502 .flags = &kmem_tracer_flags
503};
504
505void kmemtrace_init(void)
506{
507 /* earliest opportunity to start kmem tracing */
508}
509
510static int __init init_kmem_tracer(void)
511{
512 if (!register_ftrace_event(&kmem_trace_alloc)) {
513 pr_warning("Warning: could not register kmem events\n");
514 return 1;
515 }
516
517 if (!register_ftrace_event(&kmem_trace_free)) {
518 pr_warning("Warning: could not register kmem events\n");
519 return 1;
520 }
521
522 if (register_tracer(&kmem_tracer) != 0) {
523 pr_warning("Warning: could not register the kmem tracer\n");
524 return 1;
525 }
526
527 return 0;
528}
529device_initcall(init_kmem_tracer);
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 75a5e800a737..075cd2ea84a2 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -9,7 +9,6 @@
9#include <linux/mmiotrace.h> 9#include <linux/mmiotrace.h>
10#include <linux/tracepoint.h> 10#include <linux/tracepoint.h>
11#include <linux/ftrace.h> 11#include <linux/ftrace.h>
12#include <linux/kmemtrace.h>
13#include <linux/hw_breakpoint.h> 12#include <linux/hw_breakpoint.h>
14#include <linux/trace_seq.h> 13#include <linux/trace_seq.h>
15#include <linux/ftrace_event.h> 14#include <linux/ftrace_event.h>
@@ -30,19 +29,12 @@ enum trace_type {
30 TRACE_GRAPH_RET, 29 TRACE_GRAPH_RET,
31 TRACE_GRAPH_ENT, 30 TRACE_GRAPH_ENT,
32 TRACE_USER_STACK, 31 TRACE_USER_STACK,
33 TRACE_KMEM_ALLOC,
34 TRACE_KMEM_FREE,
35 TRACE_BLK, 32 TRACE_BLK,
36 TRACE_KSYM, 33 TRACE_KSYM,
37 34
38 __TRACE_LAST_TYPE, 35 __TRACE_LAST_TYPE,
39}; 36};
40 37
41enum kmemtrace_type_id {
42 KMEMTRACE_TYPE_KMALLOC = 0, /* kmalloc() or kfree(). */
43 KMEMTRACE_TYPE_CACHE, /* kmem_cache_*(). */
44 KMEMTRACE_TYPE_PAGES, /* __get_free_pages() and friends. */
45};
46 38
47#undef __field 39#undef __field
48#define __field(type, item) type item; 40#define __field(type, item) type item;
@@ -208,10 +200,6 @@ extern void __ftrace_bad_type(void);
208 TRACE_GRAPH_ENT); \ 200 TRACE_GRAPH_ENT); \
209 IF_ASSIGN(var, ent, struct ftrace_graph_ret_entry, \ 201 IF_ASSIGN(var, ent, struct ftrace_graph_ret_entry, \
210 TRACE_GRAPH_RET); \ 202 TRACE_GRAPH_RET); \
211 IF_ASSIGN(var, ent, struct kmemtrace_alloc_entry, \
212 TRACE_KMEM_ALLOC); \
213 IF_ASSIGN(var, ent, struct kmemtrace_free_entry, \
214 TRACE_KMEM_FREE); \
215 IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\ 203 IF_ASSIGN(var, ent, struct ksym_trace_entry, TRACE_KSYM);\
216 __ftrace_bad_type(); \ 204 __ftrace_bad_type(); \
217 } while (0) 205 } while (0)
diff --git a/kernel/trace/trace_entries.h b/kernel/trace/trace_entries.h
index c293364c984f..13abc157dbaf 100644
--- a/kernel/trace/trace_entries.h
+++ b/kernel/trace/trace_entries.h
@@ -291,41 +291,6 @@ FTRACE_ENTRY(branch, trace_branch,
291 __entry->func, __entry->file, __entry->correct) 291 __entry->func, __entry->file, __entry->correct)
292); 292);
293 293
294FTRACE_ENTRY(kmem_alloc, kmemtrace_alloc_entry,
295
296 TRACE_KMEM_ALLOC,
297
298 F_STRUCT(
299 __field( enum kmemtrace_type_id, type_id )
300 __field( unsigned long, call_site )
301 __field( const void *, ptr )
302 __field( size_t, bytes_req )
303 __field( size_t, bytes_alloc )
304 __field( gfp_t, gfp_flags )
305 __field( int, node )
306 ),
307
308 F_printk("type:%u call_site:%lx ptr:%p req:%zi alloc:%zi"
309 " flags:%x node:%d",
310 __entry->type_id, __entry->call_site, __entry->ptr,
311 __entry->bytes_req, __entry->bytes_alloc,
312 __entry->gfp_flags, __entry->node)
313);
314
315FTRACE_ENTRY(kmem_free, kmemtrace_free_entry,
316
317 TRACE_KMEM_FREE,
318
319 F_STRUCT(
320 __field( enum kmemtrace_type_id, type_id )
321 __field( unsigned long, call_site )
322 __field( const void *, ptr )
323 ),
324
325 F_printk("type:%u call_site:%lx ptr:%p",
326 __entry->type_id, __entry->call_site, __entry->ptr)
327);
328
329FTRACE_ENTRY(ksym_trace, ksym_trace_entry, 294FTRACE_ENTRY(ksym_trace, ksym_trace_entry,
330 295
331 TRACE_KSYM, 296 TRACE_KSYM,
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-17 17:29:26 -0500