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authorLinus Torvalds <torvalds@linux-foundation.org>2011-07-24 12:06:47 -0400
committerLinus Torvalds <torvalds@linux-foundation.org>2011-07-24 12:06:47 -0400
commitc61264f98c1a974ee6f545f61a4ab33b141d6bda (patch)
tree490e82c3bbf1403098b582f589eec378be727d4c /include/trace
parenta23a334bd547e9462d9ca4a74608519a1e928848 (diff)
parentbd9ddc875b6659f9f74dcfd285c472bc58041abd (diff)
Merge branch 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen
* 'upstream/xen-tracing2' of git://git.kernel.org/pub/scm/linux/kernel/git/jeremy/xen: xen/trace: use class for multicall trace xen/trace: convert mmu events to use DECLARE_EVENT_CLASS()/DEFINE_EVENT() xen/multicall: move *idx fields to start of mc_buffer xen/multicall: special-case singleton hypercalls xen/multicalls: add unlikely around slowpath in __xen_mc_entry() xen/multicalls: disable MC_DEBUG xen/mmu: tune pgtable alloc/release xen/mmu: use extend_args for more mmuext updates xen/trace: add tlb flush tracepoints xen/trace: add segment desc tracing xen/trace: add xen_pgd_(un)pin tracepoints xen/trace: add ptpage alloc/release tracepoints xen/trace: add mmu tracepoints xen/trace: add multicall tracing xen/trace: set up tracepoint skeleton xen/multicalls: remove debugfs stats trace/xen: add skeleton for Xen trace events
Diffstat (limited to 'include/trace')
-rw-r--r--include/trace/events/xen.h504
1 files changed, 504 insertions, 0 deletions
diff --git a/include/trace/events/xen.h b/include/trace/events/xen.h
new file mode 100644
index 000000000000..44d8decee09e
--- /dev/null
+++ b/include/trace/events/xen.h
@@ -0,0 +1,504 @@
1#undef TRACE_SYSTEM
2#define TRACE_SYSTEM xen
3
4#if !defined(_TRACE_XEN_H) || defined(TRACE_HEADER_MULTI_READ)
5#define _TRACE_XEN_H
6
7#include <linux/tracepoint.h>
8#include <asm/paravirt_types.h>
9#include <asm/xen/trace_types.h>
10
11/* Multicalls */
12DECLARE_EVENT_CLASS(xen_mc__batch,
13 TP_PROTO(enum paravirt_lazy_mode mode),
14 TP_ARGS(mode),
15 TP_STRUCT__entry(
16 __field(enum paravirt_lazy_mode, mode)
17 ),
18 TP_fast_assign(__entry->mode = mode),
19 TP_printk("start batch LAZY_%s",
20 (__entry->mode == PARAVIRT_LAZY_MMU) ? "MMU" :
21 (__entry->mode == PARAVIRT_LAZY_CPU) ? "CPU" : "NONE")
22 );
23#define DEFINE_XEN_MC_BATCH(name) \
24 DEFINE_EVENT(xen_mc__batch, name, \
25 TP_PROTO(enum paravirt_lazy_mode mode), \
26 TP_ARGS(mode))
27
28DEFINE_XEN_MC_BATCH(xen_mc_batch);
29DEFINE_XEN_MC_BATCH(xen_mc_issue);
30
31TRACE_EVENT(xen_mc_entry,
32 TP_PROTO(struct multicall_entry *mc, unsigned nargs),
33 TP_ARGS(mc, nargs),
34 TP_STRUCT__entry(
35 __field(unsigned int, op)
36 __field(unsigned int, nargs)
37 __array(unsigned long, args, 6)
38 ),
39 TP_fast_assign(__entry->op = mc->op;
40 __entry->nargs = nargs;
41 memcpy(__entry->args, mc->args, sizeof(unsigned long) * nargs);
42 memset(__entry->args + nargs, 0, sizeof(unsigned long) * (6 - nargs));
43 ),
44 TP_printk("op %u%s args [%lx, %lx, %lx, %lx, %lx, %lx]",
45 __entry->op, xen_hypercall_name(__entry->op),
46 __entry->args[0], __entry->args[1], __entry->args[2],
47 __entry->args[3], __entry->args[4], __entry->args[5])
48 );
49
50TRACE_EVENT(xen_mc_entry_alloc,
51 TP_PROTO(size_t args),
52 TP_ARGS(args),
53 TP_STRUCT__entry(
54 __field(size_t, args)
55 ),
56 TP_fast_assign(__entry->args = args),
57 TP_printk("alloc entry %zu arg bytes", __entry->args)
58 );
59
60TRACE_EVENT(xen_mc_callback,
61 TP_PROTO(xen_mc_callback_fn_t fn, void *data),
62 TP_ARGS(fn, data),
63 TP_STRUCT__entry(
64 __field(xen_mc_callback_fn_t, fn)
65 __field(void *, data)
66 ),
67 TP_fast_assign(
68 __entry->fn = fn;
69 __entry->data = data;
70 ),
71 TP_printk("callback %pf, data %p",
72 __entry->fn, __entry->data)
73 );
74
75TRACE_EVENT(xen_mc_flush_reason,
76 TP_PROTO(enum xen_mc_flush_reason reason),
77 TP_ARGS(reason),
78 TP_STRUCT__entry(
79 __field(enum xen_mc_flush_reason, reason)
80 ),
81 TP_fast_assign(__entry->reason = reason),
82 TP_printk("flush reason %s",
83 (__entry->reason == XEN_MC_FL_NONE) ? "NONE" :
84 (__entry->reason == XEN_MC_FL_BATCH) ? "BATCH" :
85 (__entry->reason == XEN_MC_FL_ARGS) ? "ARGS" :
86 (__entry->reason == XEN_MC_FL_CALLBACK) ? "CALLBACK" : "??")
87 );
88
89TRACE_EVENT(xen_mc_flush,
90 TP_PROTO(unsigned mcidx, unsigned argidx, unsigned cbidx),
91 TP_ARGS(mcidx, argidx, cbidx),
92 TP_STRUCT__entry(
93 __field(unsigned, mcidx)
94 __field(unsigned, argidx)
95 __field(unsigned, cbidx)
96 ),
97 TP_fast_assign(__entry->mcidx = mcidx;
98 __entry->argidx = argidx;
99 __entry->cbidx = cbidx),
100 TP_printk("flushing %u hypercalls, %u arg bytes, %u callbacks",
101 __entry->mcidx, __entry->argidx, __entry->cbidx)
102 );
103
104TRACE_EVENT(xen_mc_extend_args,
105 TP_PROTO(unsigned long op, size_t args, enum xen_mc_extend_args res),
106 TP_ARGS(op, args, res),
107 TP_STRUCT__entry(
108 __field(unsigned int, op)
109 __field(size_t, args)
110 __field(enum xen_mc_extend_args, res)
111 ),
112 TP_fast_assign(__entry->op = op;
113 __entry->args = args;
114 __entry->res = res),
115 TP_printk("extending op %u%s by %zu bytes res %s",
116 __entry->op, xen_hypercall_name(__entry->op),
117 __entry->args,
118 __entry->res == XEN_MC_XE_OK ? "OK" :
119 __entry->res == XEN_MC_XE_BAD_OP ? "BAD_OP" :
120 __entry->res == XEN_MC_XE_NO_SPACE ? "NO_SPACE" : "???")
121 );
122
123/* mmu */
124DECLARE_EVENT_CLASS(xen_mmu__set_pte,
125 TP_PROTO(pte_t *ptep, pte_t pteval),
126 TP_ARGS(ptep, pteval),
127 TP_STRUCT__entry(
128 __field(pte_t *, ptep)
129 __field(pteval_t, pteval)
130 ),
131 TP_fast_assign(__entry->ptep = ptep;
132 __entry->pteval = pteval.pte),
133 TP_printk("ptep %p pteval %0*llx (raw %0*llx)",
134 __entry->ptep,
135 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
136 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
137 );
138
139#define DEFINE_XEN_MMU_SET_PTE(name) \
140 DEFINE_EVENT(xen_mmu__set_pte, name, \
141 TP_PROTO(pte_t *ptep, pte_t pteval), \
142 TP_ARGS(ptep, pteval))
143
144DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte);
145DEFINE_XEN_MMU_SET_PTE(xen_mmu_set_pte_atomic);
146
147TRACE_EVENT(xen_mmu_set_domain_pte,
148 TP_PROTO(pte_t *ptep, pte_t pteval, unsigned domid),
149 TP_ARGS(ptep, pteval, domid),
150 TP_STRUCT__entry(
151 __field(pte_t *, ptep)
152 __field(pteval_t, pteval)
153 __field(unsigned, domid)
154 ),
155 TP_fast_assign(__entry->ptep = ptep;
156 __entry->pteval = pteval.pte;
157 __entry->domid = domid),
158 TP_printk("ptep %p pteval %0*llx (raw %0*llx) domid %u",
159 __entry->ptep,
160 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
161 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval,
162 __entry->domid)
163 );
164
165TRACE_EVENT(xen_mmu_set_pte_at,
166 TP_PROTO(struct mm_struct *mm, unsigned long addr,
167 pte_t *ptep, pte_t pteval),
168 TP_ARGS(mm, addr, ptep, pteval),
169 TP_STRUCT__entry(
170 __field(struct mm_struct *, mm)
171 __field(unsigned long, addr)
172 __field(pte_t *, ptep)
173 __field(pteval_t, pteval)
174 ),
175 TP_fast_assign(__entry->mm = mm;
176 __entry->addr = addr;
177 __entry->ptep = ptep;
178 __entry->pteval = pteval.pte),
179 TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)",
180 __entry->mm, __entry->addr, __entry->ptep,
181 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
182 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
183 );
184
185TRACE_EVENT(xen_mmu_pte_clear,
186 TP_PROTO(struct mm_struct *mm, unsigned long addr, pte_t *ptep),
187 TP_ARGS(mm, addr, ptep),
188 TP_STRUCT__entry(
189 __field(struct mm_struct *, mm)
190 __field(unsigned long, addr)
191 __field(pte_t *, ptep)
192 ),
193 TP_fast_assign(__entry->mm = mm;
194 __entry->addr = addr;
195 __entry->ptep = ptep),
196 TP_printk("mm %p addr %lx ptep %p",
197 __entry->mm, __entry->addr, __entry->ptep)
198 );
199
200TRACE_EVENT(xen_mmu_set_pmd,
201 TP_PROTO(pmd_t *pmdp, pmd_t pmdval),
202 TP_ARGS(pmdp, pmdval),
203 TP_STRUCT__entry(
204 __field(pmd_t *, pmdp)
205 __field(pmdval_t, pmdval)
206 ),
207 TP_fast_assign(__entry->pmdp = pmdp;
208 __entry->pmdval = pmdval.pmd),
209 TP_printk("pmdp %p pmdval %0*llx (raw %0*llx)",
210 __entry->pmdp,
211 (int)sizeof(pmdval_t) * 2, (unsigned long long)pmd_val(native_make_pmd(__entry->pmdval)),
212 (int)sizeof(pmdval_t) * 2, (unsigned long long)__entry->pmdval)
213 );
214
215TRACE_EVENT(xen_mmu_pmd_clear,
216 TP_PROTO(pmd_t *pmdp),
217 TP_ARGS(pmdp),
218 TP_STRUCT__entry(
219 __field(pmd_t *, pmdp)
220 ),
221 TP_fast_assign(__entry->pmdp = pmdp),
222 TP_printk("pmdp %p", __entry->pmdp)
223 );
224
225#if PAGETABLE_LEVELS >= 4
226
227TRACE_EVENT(xen_mmu_set_pud,
228 TP_PROTO(pud_t *pudp, pud_t pudval),
229 TP_ARGS(pudp, pudval),
230 TP_STRUCT__entry(
231 __field(pud_t *, pudp)
232 __field(pudval_t, pudval)
233 ),
234 TP_fast_assign(__entry->pudp = pudp;
235 __entry->pudval = native_pud_val(pudval)),
236 TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
237 __entry->pudp,
238 (int)sizeof(pudval_t) * 2, (unsigned long long)pud_val(native_make_pud(__entry->pudval)),
239 (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
240 );
241
242TRACE_EVENT(xen_mmu_set_pgd,
243 TP_PROTO(pgd_t *pgdp, pgd_t *user_pgdp, pgd_t pgdval),
244 TP_ARGS(pgdp, user_pgdp, pgdval),
245 TP_STRUCT__entry(
246 __field(pgd_t *, pgdp)
247 __field(pgd_t *, user_pgdp)
248 __field(pgdval_t, pgdval)
249 ),
250 TP_fast_assign(__entry->pgdp = pgdp;
251 __entry->user_pgdp = user_pgdp;
252 __entry->pgdval = pgdval.pgd),
253 TP_printk("pgdp %p user_pgdp %p pgdval %0*llx (raw %0*llx)",
254 __entry->pgdp, __entry->user_pgdp,
255 (int)sizeof(pgdval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pgdval)),
256 (int)sizeof(pgdval_t) * 2, (unsigned long long)__entry->pgdval)
257 );
258
259TRACE_EVENT(xen_mmu_pud_clear,
260 TP_PROTO(pud_t *pudp),
261 TP_ARGS(pudp),
262 TP_STRUCT__entry(
263 __field(pud_t *, pudp)
264 ),
265 TP_fast_assign(__entry->pudp = pudp),
266 TP_printk("pudp %p", __entry->pudp)
267 );
268#else
269
270TRACE_EVENT(xen_mmu_set_pud,
271 TP_PROTO(pud_t *pudp, pud_t pudval),
272 TP_ARGS(pudp, pudval),
273 TP_STRUCT__entry(
274 __field(pud_t *, pudp)
275 __field(pudval_t, pudval)
276 ),
277 TP_fast_assign(__entry->pudp = pudp;
278 __entry->pudval = native_pud_val(pudval)),
279 TP_printk("pudp %p pudval %0*llx (raw %0*llx)",
280 __entry->pudp,
281 (int)sizeof(pudval_t) * 2, (unsigned long long)pgd_val(native_make_pgd(__entry->pudval)),
282 (int)sizeof(pudval_t) * 2, (unsigned long long)__entry->pudval)
283 );
284
285#endif
286
287TRACE_EVENT(xen_mmu_pgd_clear,
288 TP_PROTO(pgd_t *pgdp),
289 TP_ARGS(pgdp),
290 TP_STRUCT__entry(
291 __field(pgd_t *, pgdp)
292 ),
293 TP_fast_assign(__entry->pgdp = pgdp),
294 TP_printk("pgdp %p", __entry->pgdp)
295 );
296
297DECLARE_EVENT_CLASS(xen_mmu_ptep_modify_prot,
298 TP_PROTO(struct mm_struct *mm, unsigned long addr,
299 pte_t *ptep, pte_t pteval),
300 TP_ARGS(mm, addr, ptep, pteval),
301 TP_STRUCT__entry(
302 __field(struct mm_struct *, mm)
303 __field(unsigned long, addr)
304 __field(pte_t *, ptep)
305 __field(pteval_t, pteval)
306 ),
307 TP_fast_assign(__entry->mm = mm;
308 __entry->addr = addr;
309 __entry->ptep = ptep;
310 __entry->pteval = pteval.pte),
311 TP_printk("mm %p addr %lx ptep %p pteval %0*llx (raw %0*llx)",
312 __entry->mm, __entry->addr, __entry->ptep,
313 (int)sizeof(pteval_t) * 2, (unsigned long long)pte_val(native_make_pte(__entry->pteval)),
314 (int)sizeof(pteval_t) * 2, (unsigned long long)__entry->pteval)
315 );
316#define DEFINE_XEN_MMU_PTEP_MODIFY_PROT(name) \
317 DEFINE_EVENT(xen_mmu_ptep_modify_prot, name, \
318 TP_PROTO(struct mm_struct *mm, unsigned long addr, \
319 pte_t *ptep, pte_t pteval), \
320 TP_ARGS(mm, addr, ptep, pteval))
321
322DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_start);
323DEFINE_XEN_MMU_PTEP_MODIFY_PROT(xen_mmu_ptep_modify_prot_commit);
324
325TRACE_EVENT(xen_mmu_alloc_ptpage,
326 TP_PROTO(struct mm_struct *mm, unsigned long pfn, unsigned level, bool pinned),
327 TP_ARGS(mm, pfn, level, pinned),
328 TP_STRUCT__entry(
329 __field(struct mm_struct *, mm)
330 __field(unsigned long, pfn)
331 __field(unsigned, level)
332 __field(bool, pinned)
333 ),
334 TP_fast_assign(__entry->mm = mm;
335 __entry->pfn = pfn;
336 __entry->level = level;
337 __entry->pinned = pinned),
338 TP_printk("mm %p pfn %lx level %d %spinned",
339 __entry->mm, __entry->pfn, __entry->level,
340 __entry->pinned ? "" : "un")
341 );
342
343TRACE_EVENT(xen_mmu_release_ptpage,
344 TP_PROTO(unsigned long pfn, unsigned level, bool pinned),
345 TP_ARGS(pfn, level, pinned),
346 TP_STRUCT__entry(
347 __field(unsigned long, pfn)
348 __field(unsigned, level)
349 __field(bool, pinned)
350 ),
351 TP_fast_assign(__entry->pfn = pfn;
352 __entry->level = level;
353 __entry->pinned = pinned),
354 TP_printk("pfn %lx level %d %spinned",
355 __entry->pfn, __entry->level,
356 __entry->pinned ? "" : "un")
357 );
358
359DECLARE_EVENT_CLASS(xen_mmu_pgd,
360 TP_PROTO(struct mm_struct *mm, pgd_t *pgd),
361 TP_ARGS(mm, pgd),
362 TP_STRUCT__entry(
363 __field(struct mm_struct *, mm)
364 __field(pgd_t *, pgd)
365 ),
366 TP_fast_assign(__entry->mm = mm;
367 __entry->pgd = pgd),
368 TP_printk("mm %p pgd %p", __entry->mm, __entry->pgd)
369 );
370#define DEFINE_XEN_MMU_PGD_EVENT(name) \
371 DEFINE_EVENT(xen_mmu_pgd, name, \
372 TP_PROTO(struct mm_struct *mm, pgd_t *pgd), \
373 TP_ARGS(mm, pgd))
374
375DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_pin);
376DEFINE_XEN_MMU_PGD_EVENT(xen_mmu_pgd_unpin);
377
378TRACE_EVENT(xen_mmu_flush_tlb,
379 TP_PROTO(int x),
380 TP_ARGS(x),
381 TP_STRUCT__entry(__array(char, x, 0)),
382 TP_fast_assign((void)x),
383 TP_printk("%s", "")
384 );
385
386TRACE_EVENT(xen_mmu_flush_tlb_single,
387 TP_PROTO(unsigned long addr),
388 TP_ARGS(addr),
389 TP_STRUCT__entry(
390 __field(unsigned long, addr)
391 ),
392 TP_fast_assign(__entry->addr = addr),
393 TP_printk("addr %lx", __entry->addr)
394 );
395
396TRACE_EVENT(xen_mmu_flush_tlb_others,
397 TP_PROTO(const struct cpumask *cpus, struct mm_struct *mm,
398 unsigned long addr),
399 TP_ARGS(cpus, mm, addr),
400 TP_STRUCT__entry(
401 __field(unsigned, ncpus)
402 __field(struct mm_struct *, mm)
403 __field(unsigned long, addr)
404 ),
405 TP_fast_assign(__entry->ncpus = cpumask_weight(cpus);
406 __entry->mm = mm;
407 __entry->addr = addr),
408 TP_printk("ncpus %d mm %p addr %lx",
409 __entry->ncpus, __entry->mm, __entry->addr)
410 );
411
412TRACE_EVENT(xen_mmu_write_cr3,
413 TP_PROTO(bool kernel, unsigned long cr3),
414 TP_ARGS(kernel, cr3),
415 TP_STRUCT__entry(
416 __field(bool, kernel)
417 __field(unsigned long, cr3)
418 ),
419 TP_fast_assign(__entry->kernel = kernel;
420 __entry->cr3 = cr3),
421 TP_printk("%s cr3 %lx",
422 __entry->kernel ? "kernel" : "user", __entry->cr3)
423 );
424
425
426/* CPU */
427TRACE_EVENT(xen_cpu_write_ldt_entry,
428 TP_PROTO(struct desc_struct *dt, int entrynum, u64 desc),
429 TP_ARGS(dt, entrynum, desc),
430 TP_STRUCT__entry(
431 __field(struct desc_struct *, dt)
432 __field(int, entrynum)
433 __field(u64, desc)
434 ),
435 TP_fast_assign(__entry->dt = dt;
436 __entry->entrynum = entrynum;
437 __entry->desc = desc;
438 ),
439 TP_printk("dt %p entrynum %d entry %016llx",
440 __entry->dt, __entry->entrynum,
441 (unsigned long long)__entry->desc)
442 );
443
444TRACE_EVENT(xen_cpu_write_idt_entry,
445 TP_PROTO(gate_desc *dt, int entrynum, const gate_desc *ent),
446 TP_ARGS(dt, entrynum, ent),
447 TP_STRUCT__entry(
448 __field(gate_desc *, dt)
449 __field(int, entrynum)
450 ),
451 TP_fast_assign(__entry->dt = dt;
452 __entry->entrynum = entrynum;
453 ),
454 TP_printk("dt %p entrynum %d",
455 __entry->dt, __entry->entrynum)
456 );
457
458TRACE_EVENT(xen_cpu_load_idt,
459 TP_PROTO(const struct desc_ptr *desc),
460 TP_ARGS(desc),
461 TP_STRUCT__entry(
462 __field(unsigned long, addr)
463 ),
464 TP_fast_assign(__entry->addr = desc->address),
465 TP_printk("addr %lx", __entry->addr)
466 );
467
468TRACE_EVENT(xen_cpu_write_gdt_entry,
469 TP_PROTO(struct desc_struct *dt, int entrynum, const void *desc, int type),
470 TP_ARGS(dt, entrynum, desc, type),
471 TP_STRUCT__entry(
472 __field(u64, desc)
473 __field(struct desc_struct *, dt)
474 __field(int, entrynum)
475 __field(int, type)
476 ),
477 TP_fast_assign(__entry->dt = dt;
478 __entry->entrynum = entrynum;
479 __entry->desc = *(u64 *)desc;
480 __entry->type = type;
481 ),
482 TP_printk("dt %p entrynum %d type %d desc %016llx",
483 __entry->dt, __entry->entrynum, __entry->type,
484 (unsigned long long)__entry->desc)
485 );
486
487TRACE_EVENT(xen_cpu_set_ldt,
488 TP_PROTO(const void *addr, unsigned entries),
489 TP_ARGS(addr, entries),
490 TP_STRUCT__entry(
491 __field(const void *, addr)
492 __field(unsigned, entries)
493 ),
494 TP_fast_assign(__entry->addr = addr;
495 __entry->entries = entries),
496 TP_printk("addr %p entries %u",
497 __entry->addr, __entry->entries)
498 );
499
500
501#endif /* _TRACE_XEN_H */
502
503/* This part must be outside protection */
504#include <trace/define_trace.h>
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