1 /*
2 * Copyright (c) 2021-2022 Huawei Device Co., Ltd.
3 * Licensed under the Apache License, Version 2.0 (the "License");
4 * you may not use this file except in compliance with the License.
5 * You may obtain a copy of the License at
6 *
7 * http://www.apache.org/licenses/LICENSE-2.0
8 *
9 * Unless required by applicable law or agreed to in writing, software
10 * distributed under the License is distributed on an "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 * See the License for the specific language governing permissions and
13 * limitations under the License.
14 */
15 #define HILOG_TAG "PerfRecord"
16
17 #include "perf_event_record.h"
18 #include <cinttypes>
19 #include "utilities.h"
20
21
22 using namespace std;
23 namespace OHOS {
24 namespace Developtools {
25 namespace HiPerf {
GetPerfEventRecord(const int type,uint8_t * p,const perf_event_attr & attr)26 std::unique_ptr<PerfEventRecord> GetPerfEventRecord(const int type, uint8_t *p,
27 const perf_event_attr &attr)
28 {
29 HLOG_ASSERT(p);
30 uint8_t *data = p;
31
32 // check kernel
33 switch (type) {
34 case PERF_RECORD_SAMPLE:
35 return std::make_unique<PerfRecordSample>(data, attr);
36 case PERF_RECORD_MMAP:
37 return std::make_unique<PerfRecordMmap>(data);
38 case PERF_RECORD_MMAP2:
39 return std::make_unique<PerfRecordMmap2>(data);
40 case PERF_RECORD_LOST:
41 return std::make_unique<PerfRecordLost>(data);
42 case PERF_RECORD_COMM:
43 return std::make_unique<PerfRecordComm>(data);
44 case PERF_RECORD_EXIT:
45 return std::make_unique<PerfRecordExit>(data);
46 case PERF_RECORD_THROTTLE:
47 return std::make_unique<PerfRecordThrottle>(data);
48 case PERF_RECORD_UNTHROTTLE:
49 return std::make_unique<PerfRecordUnthrottle>(data);
50 case PERF_RECORD_FORK:
51 return std::make_unique<PerfRecordFork>(data);
52 case PERF_RECORD_READ:
53 return std::make_unique<PerfRecordRead>(data);
54 case PERF_RECORD_AUX:
55 return std::make_unique<PerfRecordAux>(data);
56 case PERF_RECORD_ITRACE_START:
57 return std::make_unique<PerfRecordItraceStart>(data);
58 case PERF_RECORD_LOST_SAMPLES:
59 return std::make_unique<PerfRecordLostSamples>(data);
60 case PERF_RECORD_SWITCH:
61 return std::make_unique<PerfRecordSwitch>(data);
62 case PERF_RECORD_SWITCH_CPU_WIDE:
63 return std::make_unique<PerfRecordSwitchCpuWide>(data);
64 default:
65 HLOGE("unknown record type %d\n", type);
66 return nullptr;
67 }
68 }
69
70 template<typename T>
PushToBinary(bool condition,uint8_t * & p,const T & v)71 inline void PushToBinary(bool condition, uint8_t *&p, const T &v)
72 {
73 if (condition) {
74 *(reinterpret_cast<T *>(p)) = v;
75 p += sizeof(T);
76 }
77 }
78
79 template<typename T1, typename T2>
PushToBinary2(bool condition,uint8_t * & p,const T1 & v1,const T2 & v2)80 inline void PushToBinary2(bool condition, uint8_t *&p, const T1 &v1, const T2 &v2)
81 {
82 if (condition) {
83 *(reinterpret_cast<T1 *>(p)) = v1;
84 p += sizeof(T1);
85 *(reinterpret_cast<T2 *>(p)) = v2;
86 p += sizeof(T2);
87 }
88 }
89
90 template<typename T>
PopFromBinary(bool condition,uint8_t * & p,T & v)91 inline void PopFromBinary(bool condition, uint8_t *&p, T &v)
92 {
93 if (condition) {
94 v = *(reinterpret_cast<const T *>(p));
95 p += sizeof(T);
96 }
97 }
98
99 template<typename T1, typename T2>
PopFromBinary2(bool condition,uint8_t * & p,T1 & v1,T2 & v2)100 inline void PopFromBinary2(bool condition, uint8_t *&p, T1 &v1, T2 &v2)
101 {
102 if (condition) {
103 v1 = *(reinterpret_cast<const T1 *>(p));
104 p += sizeof(T1);
105 v2 = *(reinterpret_cast<const T2 *>(p));
106 p += sizeof(T2);
107 }
108 }
109
110 // PerfEventRecord
PerfEventRecord(perf_event_type type,bool in_kernel,const std::string & name)111 PerfEventRecord::PerfEventRecord(perf_event_type type, bool in_kernel, const std::string &name)
112 : name_(name)
113 {
114 header.type = type;
115 header.misc = in_kernel ? PERF_RECORD_MISC_KERNEL : PERF_RECORD_MISC_USER;
116 header.size = sizeof(header);
117 }
118
PerfEventRecord(perf_event_hiperf_ext_type type,const std::string & name)119 PerfEventRecord::PerfEventRecord(perf_event_hiperf_ext_type type, const std::string &name)
120 : name_(name)
121 {
122 header.type = type;
123 header.misc = PERF_RECORD_MISC_USER;
124 header.size = sizeof(header);
125 }
126
PerfEventRecord(uint8_t * p,const std::string & name)127 PerfEventRecord::PerfEventRecord(uint8_t *p, const std::string &name) : name_(name)
128 {
129 header = *(reinterpret_cast<perf_event_header *>(p));
130 }
131
GetHeaderBinary(std::vector<uint8_t> & buf) const132 void PerfEventRecord::GetHeaderBinary(std::vector<uint8_t> &buf) const
133 {
134 if (buf.size() < GetHeaderSize()) {
135 buf.resize(GetHeaderSize());
136 }
137 uint8_t *p = buf.data();
138 *(reinterpret_cast<perf_event_header *>(p)) = header;
139 }
140
Dump(int indent) const141 void PerfEventRecord::Dump(int indent) const
142 {
143 PrintIndent(indent, "\n");
144 PrintIndent(indent, "record %s: type %u, misc %u, size %zu\n", GetName().c_str(), GetType(),
145 GetMisc(), GetSize());
146 DumpData(indent + 1);
147 }
148
DumpLog(const std::string & prefix) const149 void PerfEventRecord::DumpLog(const std::string &prefix) const
150 {
151 HLOGV("%s: record %s: type %u, misc %u, size %zu\n", prefix.c_str(), GetName().c_str(),
152 GetType(), GetMisc(), GetSize());
153 }
154
DumpLog(const std::string & prefix) const155 void PerfRecordSample::DumpLog(const std::string &prefix) const
156 {
157 HLOGV("%s: SAMPLE: id= %llu size %d pid %u tid %u ips %llu regs %llu, stacks %llu time %llu",
158 prefix.c_str(), data_.sample_id, header.size, data_.pid, data_.tid, data_.nr,
159 data_.reg_nr, data_.dyn_size, data_.time);
160 }
161
ReplaceWithCallStack(size_t originalSize)162 void PerfRecordSample::ReplaceWithCallStack(size_t originalSize)
163 {
164 // first we check if we have some user unwind stack need to merge ?
165 if (callFrames_.size() != 0) {
166 // when we have some kernel ips , we cp it first
167 // new size is user call frames + kernel call frames
168 // + PERF_CONTEXT_USER(last + 1) + expand mark(also PERF_CONTEXT_USER)
169 const unsigned int perfContextSize = 2;
170 ips_.reserve(data_.nr + callFrames_.size() + perfContextSize);
171 if (data_.nr > 0) {
172 ips_.assign(data_.ips, data_.ips + data_.nr);
173 }
174 // add user context mark
175 ips_.emplace_back(PERF_CONTEXT_USER);
176 // we also need make a expand mark just for debug only
177 const size_t beginIpsSize = ips_.size();
178 bool ret = std::all_of(callFrames_.begin(), callFrames_.end(), [&](const CallFrame &frame) {
179 ips_.emplace_back(frame.ip_);
180 if (originalSize != 0 and (originalSize != callFrames_.size()) and
181 ips_.size() == (originalSize + beginIpsSize)) {
182 // just for debug
183 // so we can see which frame begin is expand call frames
184 ips_.emplace_back(PERF_CONTEXT_USER);
185 }
186 return true;
187 });
188 if (ret) {
189 HLOGV("combed %zu", callFrames_.size());
190 } else {
191 HLOGV("failed to combed %zu", callFrames_.size());
192 }
193
194 if (sampleType_ & PERF_SAMPLE_REGS_USER) {
195 data_.reg_nr = 0;
196 header.size -= data_.reg_nr * sizeof(u64);
197 }
198
199 if (sampleType_ & PERF_SAMPLE_STACK_USER) {
200 // 1. remove the user stack
201 header.size -= data_.stack_size;
202
203 // 2. clean the size
204 data_.user_abi = 0;
205 data_.stack_size = 0;
206 data_.dyn_size = 0;
207 }
208
209 if (sampleType_ & PERF_SAMPLE_CALLCHAIN) {
210 HLOGV("ips change from %llu -> %zu", data_.nr, ips_.size());
211
212 // 3. remove the nr size
213 header.size -= data_.nr * sizeof(u64);
214
215 // 4. add new nr size
216 data_.nr = ips_.size();
217 header.size += data_.nr * sizeof(u64);
218
219 // 5. change ips potin to our ips array and hold it.
220 data_.ips = ips_.data();
221 }
222 } else {
223 // nothing need change
224 return;
225 }
226 }
227
PerfRecordSample(uint8_t * p,const perf_event_attr & attr)228 PerfRecordSample::PerfRecordSample(uint8_t *p, const perf_event_attr &attr)
229 : PerfEventRecord(p, "sample")
230 {
231 if (p == nullptr) {
232 HLOG_ASSERT(p);
233 return;
234 }
235 sampleType_ = attr.sample_type;
236
237 p += sizeof(header);
238
239 // parse record according SAMPLE_TYPE
240 PopFromBinary(sampleType_ & PERF_SAMPLE_IDENTIFIER, p, data_.sample_id);
241 PopFromBinary(sampleType_ & PERF_SAMPLE_IP, p, data_.ip);
242 PopFromBinary2(sampleType_ & PERF_SAMPLE_TID, p, data_.pid, data_.tid);
243 PopFromBinary(sampleType_ & PERF_SAMPLE_TIME, p, data_.time);
244 PopFromBinary(sampleType_ & PERF_SAMPLE_ADDR, p, data_.addr);
245 PopFromBinary(sampleType_ & PERF_SAMPLE_ID, p, data_.id);
246 PopFromBinary(sampleType_ & PERF_SAMPLE_STREAM_ID, p, data_.stream_id);
247 PopFromBinary2(sampleType_ & PERF_SAMPLE_CPU, p, data_.cpu, data_.res);
248 PopFromBinary(sampleType_ & PERF_SAMPLE_PERIOD, p, data_.period);
249 PopFromBinary(sampleType_ & PERF_SAMPLE_CALLCHAIN, p, data_.nr);
250 if (data_.nr > 0) {
251 // the pointer is from input(p), require caller keep input(p) with *this together
252 // think it in next time
253 data_.ips = reinterpret_cast<u64 *>(p);
254 p += data_.nr * sizeof(u64);
255 }
256 PopFromBinary(sampleType_ & PERF_SAMPLE_RAW, p, data_.raw_size);
257 if (data_.raw_size > 0) {
258 data_.raw_data = p;
259 p += data_.raw_size * sizeof(u8);
260 }
261 PopFromBinary(sampleType_ & PERF_SAMPLE_BRANCH_STACK, p, data_.bnr);
262 if (data_.bnr > 0) {
263 data_.lbr = reinterpret_cast<perf_branch_entry *>(p);
264 p += data_.bnr * sizeof(perf_branch_entry);
265 }
266 PopFromBinary(sampleType_ & PERF_SAMPLE_REGS_USER, p, data_.user_abi);
267 if (data_.user_abi > 0) {
268 data_.reg_mask = attr.sample_regs_user;
269 data_.reg_nr = __builtin_popcountll(data_.reg_mask);
270 data_.user_regs = reinterpret_cast<u64 *>(p);
271 p += data_.reg_nr * sizeof(u64);
272 }
273 PopFromBinary(sampleType_ & PERF_SAMPLE_STACK_USER, p, data_.stack_size);
274 if (data_.stack_size > 0) {
275 data_.stack_data = p;
276 p += data_.stack_size;
277 PopFromBinary(true, p, data_.dyn_size);
278 }
279 }
280
GetBinary(std::vector<uint8_t> & buf) const281 bool PerfRecordSample::GetBinary(std::vector<uint8_t> &buf) const
282 {
283 if (buf.size() < GetSize()) {
284 buf.resize(GetSize());
285 }
286
287 GetHeaderBinary(buf);
288 uint8_t *p = buf.data() + GetHeaderSize();
289
290 PushToBinary(sampleType_ & PERF_SAMPLE_IDENTIFIER, p, data_.sample_id);
291 PushToBinary(sampleType_ & PERF_SAMPLE_IP, p, data_.ip);
292 PushToBinary2(sampleType_ & PERF_SAMPLE_TID, p, data_.pid, data_.tid);
293 PushToBinary(sampleType_ & PERF_SAMPLE_TIME, p, data_.time);
294 PushToBinary(sampleType_ & PERF_SAMPLE_ADDR, p, data_.addr);
295 PushToBinary(sampleType_ & PERF_SAMPLE_ID, p, data_.id);
296 PushToBinary(sampleType_ & PERF_SAMPLE_STREAM_ID, p, data_.stream_id);
297 PushToBinary2(sampleType_ & PERF_SAMPLE_CPU, p, data_.cpu, data_.res);
298 PushToBinary(sampleType_ & PERF_SAMPLE_PERIOD, p, data_.period);
299 PushToBinary(sampleType_ & PERF_SAMPLE_CALLCHAIN, p, data_.nr);
300 if (data_.nr > 0) {
301 std::copy(data_.ips, data_.ips + data_.nr, reinterpret_cast<u64 *>(p));
302 p += data_.nr * sizeof(u64);
303 }
304 PushToBinary(sampleType_ & PERF_SAMPLE_RAW, p, data_.raw_size);
305 if (data_.raw_size > 0) {
306 std::copy(data_.raw_data, data_.raw_data + data_.raw_size, p);
307 p += data_.raw_size * sizeof(u8);
308 }
309 PushToBinary(sampleType_ & PERF_SAMPLE_BRANCH_STACK, p, data_.bnr);
310 if (data_.bnr > 0) {
311 std::copy(data_.lbr, data_.lbr + data_.bnr, reinterpret_cast<perf_branch_entry *>(p));
312 p += data_.bnr * sizeof(perf_branch_entry);
313 }
314 PushToBinary(sampleType_ & PERF_SAMPLE_REGS_USER, p, data_.user_abi);
315 if (data_.user_abi > 0 && data_.reg_nr > 0) {
316 std::copy(data_.user_regs, data_.user_regs + data_.reg_nr, reinterpret_cast<u64 *>(p));
317 p += data_.reg_nr * sizeof(u64);
318 }
319 PushToBinary(sampleType_ & PERF_SAMPLE_STACK_USER, p, data_.stack_size);
320 if (data_.stack_size > 0) {
321 std::copy(data_.stack_data, data_.stack_data + data_.stack_size, p);
322 p += data_.stack_size * sizeof(u8);
323 PushToBinary(true, p, data_.dyn_size);
324 }
325
326 return true;
327 }
328
DumpData(int indent) const329 void PerfRecordSample::DumpData(int indent) const
330 {
331 PrintIndent(indent, "sample_type: 0x%" PRIx64 "\n", sampleType_);
332
333 // dump record according sampleType
334 if (sampleType_ & (PERF_SAMPLE_ID | PERF_SAMPLE_IDENTIFIER)) {
335 PrintIndent(indent, "ID %lld\n", data_.sample_id);
336 }
337 if (sampleType_ & PERF_SAMPLE_IP) {
338 PrintIndent(indent, "ip %llx\n", data_.ip);
339 }
340 if (sampleType_ & PERF_SAMPLE_TID) {
341 PrintIndent(indent, "pid %u, tid %u\n", data_.pid, data_.tid);
342 }
343 if (sampleType_ & PERF_SAMPLE_TIME) {
344 PrintIndent(indent, "time %llu\n", data_.time);
345 }
346 if (sampleType_ & PERF_SAMPLE_ADDR) {
347 PrintIndent(indent, "addr %p\n", reinterpret_cast<void *>(data_.addr));
348 }
349 if (sampleType_ & PERF_SAMPLE_STREAM_ID) {
350 PrintIndent(indent, "stream_id %lld\n", data_.stream_id);
351 }
352 if (sampleType_ & PERF_SAMPLE_CPU) {
353 PrintIndent(indent, "cpu %u, res %u\n", data_.cpu, data_.res);
354 }
355 if (sampleType_ & PERF_SAMPLE_PERIOD) {
356 PrintIndent(indent, "period %lld\n", data_.period);
357 }
358 if (sampleType_ & PERF_SAMPLE_CALLCHAIN) {
359 bool userContext = false;
360 PrintIndent(indent, "callchain nr=%lld\n", data_.nr);
361 for (uint64_t i = 0; i < data_.nr; ++i) {
362 std::string_view supplement = "";
363 if ((sampleType_ & PERF_SAMPLE_STACK_USER) == 0 || data_.ips[i] != PERF_CONTEXT_USER) {
364 PrintIndent(indent + 1, "0x%llx%s\n", data_.ips[i], supplement.data());
365 continue;
366 }
367 // is PERF_SAMPLE_STACK_USER type and is PERF_CONTEXT_USER
368 if (!userContext) {
369 userContext = true;
370 supplement = " <unwind callstack>";
371 } else {
372 supplement = " <expand callstack>";
373 }
374 PrintIndent(indent + 1, "0x%llx%s\n", data_.ips[i], supplement.data());
375 }
376 }
377 if (sampleType_ & PERF_SAMPLE_RAW) {
378 PrintIndent(indent, "raw size=%u\n", data_.raw_size);
379 const uint32_t *data = reinterpret_cast<const uint32_t *>(data_.raw_data);
380 size_t size = data_.raw_size / sizeof(uint32_t);
381 for (size_t i = 0; i < size; ++i) {
382 PrintIndent(indent + 1, "0x%08x (%x)\n", data[i], data[i]);
383 }
384 }
385 if (sampleType_ & PERF_SAMPLE_BRANCH_STACK) {
386 PrintIndent(indent, "branch_stack nr=%lld\n", data_.bnr);
387 for (uint64_t i = 0; i < data_.bnr; ++i) {
388 auto &item = data_.lbr[i];
389 PrintIndent(indent + 1, "from 0x%llx, to 0x%llx %s%s\n", item.from, item.to,
390 item.mispred ? "mispred" : "", item.predicted ? "predicted" : "");
391 }
392 }
393 if (sampleType_ & PERF_SAMPLE_REGS_USER) {
394 PrintIndent(indent, "user regs: abi=%lld, reg_nr=%lld\n", data_.user_abi, data_.reg_nr);
395 for (uint64_t i = 0; i < data_.reg_nr; ++i) {
396 PrintIndent(indent + 1, "0x%llx\n", data_.user_regs[i]);
397 }
398 }
399 if (sampleType_ & PERF_SAMPLE_STACK_USER) {
400 PrintIndent(indent, "user stack: size %llu dyn_size %lld\n", data_.stack_size,
401 data_.dyn_size);
402 }
403 }
404
GetPid() const405 inline pid_t PerfRecordSample::GetPid() const
406 {
407 return data_.pid;
408 }
409
PerfRecordMmap(uint8_t * p)410 PerfRecordMmap::PerfRecordMmap(uint8_t *p) : PerfEventRecord(p, "mmap")
411 {
412 size_t copySize = GetSize() - sizeof(header);
413 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
414 HLOGE("memcpy_s retren failed !!!");
415 }
416 }
417
PerfRecordMmap(bool inKernel,u32 pid,u32 tid,u64 addr,u64 len,u64 pgoff,const std::string & filename)418 PerfRecordMmap::PerfRecordMmap(bool inKernel, u32 pid, u32 tid, u64 addr, u64 len, u64 pgoff,
419 const std::string &filename)
420 : PerfEventRecord(PERF_RECORD_MMAP, inKernel, "mmap")
421 {
422 data_.pid = pid;
423 data_.tid = tid;
424 data_.addr = addr;
425 data_.len = len;
426 data_.pgoff = pgoff;
427 if (strncpy_s(data_.filename, KILO, filename.c_str(), filename.size()) != 0) {
428 HLOGE("strncpy_s failed");
429 }
430
431 header.size = sizeof(header) + sizeof(data_) - KILO + filename.size() + 1;
432 }
433
GetBinary(std::vector<uint8_t> & buf) const434 bool PerfRecordMmap::GetBinary(std::vector<uint8_t> &buf) const
435 {
436 if (buf.size() < GetSize()) {
437 buf.resize(GetSize());
438 }
439
440 GetHeaderBinary(buf);
441 uint8_t *p = buf.data() + GetHeaderSize();
442
443 // data_.filename[] is variable-length
444 std::copy((uint8_t *)&data_, (uint8_t *)&data_ + GetSize() - GetHeaderSize(), p);
445 return true;
446 }
447
DumpData(int indent) const448 void PerfRecordMmap::DumpData(int indent) const
449 {
450 PrintIndent(indent, "pid %u, tid %u, addr 0x%llx, len 0x%llx\n", data_.pid, data_.tid,
451 data_.addr, data_.len);
452 PrintIndent(indent, "pgoff 0x%llx, filename %s\n", data_.pgoff, data_.filename);
453 }
454
DumpLog(const std::string & prefix) const455 void PerfRecordMmap::DumpLog(const std::string &prefix) const
456 {
457 HLOGV("%s: MMAP: size %d pid %u tid %u dso '%s' (0x%llx-0x%llx)@0x%llx", prefix.c_str(),
458 header.size, data_.pid, data_.tid, data_.filename, data_.addr, data_.addr + data_.len,
459 data_.pgoff);
460 }
461
PerfRecordMmap2(uint8_t * p)462 PerfRecordMmap2::PerfRecordMmap2(uint8_t *p) : PerfEventRecord(p, "mmap2")
463 {
464 size_t copySize = GetSize() - sizeof(header);
465 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
466 HLOGE("memcpy_s retren failed !!!");
467 }
468 }
469
PerfRecordMmap2(bool inKernel,u32 pid,u32 tid,u64 addr,u64 len,u64 pgoff,u32 maj,u32 min,u64 ino,u32 prot,u32 flags,const std::string & filename)470 PerfRecordMmap2::PerfRecordMmap2(bool inKernel, u32 pid, u32 tid, u64 addr, u64 len, u64 pgoff,
471 u32 maj, u32 min, u64 ino, u32 prot, u32 flags,
472 const std::string &filename)
473 : PerfEventRecord(PERF_RECORD_MMAP2, inKernel, "mmap2")
474 {
475 data_.pid = pid;
476 data_.tid = tid;
477 data_.addr = addr;
478 data_.len = len;
479 data_.pgoff = pgoff;
480 data_.maj = maj;
481 data_.min = min;
482 data_.ino = ino;
483 data_.ino_generation = 0;
484 data_.prot = prot;
485 data_.flags = flags;
486 if (strncpy_s(data_.filename, KILO, filename.c_str(), filename.size()) != 0) {
487 HLOGE("strncpy_s failed");
488 }
489
490 header.size = sizeof(header) + sizeof(data_) - KILO + filename.size() + 1;
491 }
492
PerfRecordMmap2(bool inKernel,u32 pid,u32 tid,const MemMapItem & item)493 PerfRecordMmap2::PerfRecordMmap2(bool inKernel, u32 pid, u32 tid, const MemMapItem &item)
494 : PerfEventRecord(PERF_RECORD_MMAP2, inKernel, "mmap2")
495 {
496 data_.pid = pid;
497 data_.tid = tid;
498 data_.addr = item.begin_;
499 data_.len = item.end_ - item.begin_;
500 data_.pgoff = item.pageoffset_;
501 data_.maj = item.major_;
502 data_.min = item.minor_;
503 data_.ino = item.inode;
504 data_.ino_generation = 0;
505 data_.prot = item.type_;
506 data_.flags = item.flags;
507 if (strncpy_s(data_.filename, KILO, item.name_.c_str(), item.name_.size()) != 0) {
508 HLOGE("strncpy_s failed");
509 }
510
511 header.size = sizeof(header) + sizeof(data_) - KILO + item.name_.size() + 1;
512 }
513
GetBinary(std::vector<uint8_t> & buf) const514 bool PerfRecordMmap2::GetBinary(std::vector<uint8_t> &buf) const
515 {
516 if (buf.size() < GetSize()) {
517 buf.resize(GetSize());
518 }
519
520 GetHeaderBinary(buf);
521 uint8_t *p = buf.data() + GetHeaderSize();
522
523 // data_.filename[] is variable-length
524 std::copy((uint8_t *)&data_, (uint8_t *)&data_ + GetSize() - GetHeaderSize(), p);
525 return true;
526 }
527
DumpData(int indent) const528 void PerfRecordMmap2::DumpData(int indent) const
529 {
530 PrintIndent(indent, "pid %u, tid %u, addr 0x%llx, len 0x%llx\n", data_.pid, data_.tid,
531 data_.addr, data_.len);
532 PrintIndent(indent, "pgoff 0x%llx, maj %u, min %u, ino %llu, ino_generation %llu\n",
533 data_.pgoff, data_.maj, data_.min, data_.ino, data_.ino_generation);
534 PrintIndent(indent, "prot %u, flags %u, filename %s\n", data_.prot, data_.flags,
535 data_.filename);
536 }
DumpLog(const std::string & prefix) const537 void PerfRecordMmap2::DumpLog(const std::string &prefix) const
538 {
539 HLOGV("%s: MMAP2: size %d pid %u tid %u dso '%s' (0x%llx-0x%llx)@0x%llx", prefix.c_str(),
540 header.size, data_.pid, data_.tid, data_.filename, data_.addr, data_.addr + data_.len,
541 data_.pgoff);
542 }
543
PerfRecordLost(uint8_t * p)544 PerfRecordLost::PerfRecordLost(uint8_t *p) : PerfEventRecord(p, "lost")
545 {
546 size_t copySize = GetSize() - sizeof(header);
547 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
548 HLOGE("memcpy_s retren failed !!!");
549 }
550 }
551
GetBinary(std::vector<uint8_t> & buf) const552 bool PerfRecordLost::GetBinary(std::vector<uint8_t> &buf) const
553 {
554 if (buf.size() < GetSize()) {
555 buf.resize(GetSize());
556 }
557
558 GetHeaderBinary(buf);
559 uint8_t *p = buf.data() + GetHeaderSize();
560
561 auto pDest = reinterpret_cast<PerfRecordLostData *>(p);
562 *pDest = data_;
563
564 return true;
565 }
566
DumpData(int indent) const567 void PerfRecordLost::DumpData(int indent) const
568 {
569 PrintIndent(indent, "id %llu, lost %llu\n", data_.id, data_.lost);
570 }
571
PerfRecordComm(uint8_t * p)572 PerfRecordComm::PerfRecordComm(uint8_t *p) : PerfEventRecord(p, "comm")
573 {
574 size_t copySize = GetSize() - sizeof(header);
575 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
576 HLOGE("memcpy_s retren failed !!!");
577 }
578 }
579
PerfRecordComm(bool inKernel,u32 pid,u32 tid,const std::string & comm)580 PerfRecordComm::PerfRecordComm(bool inKernel, u32 pid, u32 tid, const std::string &comm)
581 : PerfEventRecord(PERF_RECORD_COMM, inKernel, "comm")
582 {
583 data_.pid = pid;
584 data_.tid = tid;
585 if (strncpy_s(data_.comm, KILO, comm.c_str(), comm.size()) != 0) {
586 HLOGE("strncpy_s failed !!!");
587 }
588
589 header.size = sizeof(header) + sizeof(data_) - KILO + comm.size() + 1;
590 }
591
GetBinary(std::vector<uint8_t> & buf) const592 bool PerfRecordComm::GetBinary(std::vector<uint8_t> &buf) const
593 {
594 if (buf.size() < GetSize()) {
595 buf.resize(GetSize());
596 }
597
598 GetHeaderBinary(buf);
599 uint8_t *p = buf.data() + GetHeaderSize();
600
601 // data_.comm[] is variable-length
602 std::copy((uint8_t *)&data_, (uint8_t *)&data_ + GetSize() - GetHeaderSize(), p);
603
604 return true;
605 }
606
DumpData(int indent) const607 void PerfRecordComm::DumpData(int indent) const
608 {
609 PrintIndent(indent, "pid %u, tid %u, comm %s\n", data_.pid, data_.tid, data_.comm);
610 }
611
DumpLog(const std::string & prefix) const612 void PerfRecordComm::DumpLog(const std::string &prefix) const
613 {
614 HLOGV("pid %u, tid %u, comm %s\n", data_.pid, data_.tid, data_.comm);
615 }
616
PerfRecordExit(uint8_t * p)617 PerfRecordExit::PerfRecordExit(uint8_t *p) : PerfEventRecord(p, "exit")
618 {
619 size_t copySize = GetSize() - sizeof(header);
620 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
621 HLOGE("memcpy_s retren failed !!!");
622 }
623 }
624
GetBinary(std::vector<uint8_t> & buf) const625 bool PerfRecordExit::GetBinary(std::vector<uint8_t> &buf) const
626 {
627 if (buf.size() < GetSize()) {
628 buf.resize(GetSize());
629 }
630
631 GetHeaderBinary(buf);
632 uint8_t *p = buf.data() + GetHeaderSize();
633
634 auto pDest = reinterpret_cast<PerfRecordExitData *>(p);
635 *pDest = data_;
636 return true;
637 }
638
DumpData(int indent) const639 void PerfRecordExit::DumpData(int indent) const
640 {
641 PrintIndent(indent, "pid %u, ppid %u, tid %u, ptid %u time 0x%llx\n", data_.pid, data_.ppid,
642 data_.tid, data_.ptid, data_.time);
643 }
644
PerfRecordThrottle(uint8_t * p)645 PerfRecordThrottle::PerfRecordThrottle(uint8_t *p) : PerfEventRecord(p, "throttle")
646 {
647 size_t copySize = GetSize() - sizeof(header);
648 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
649 HLOGE("memcpy_s retren failed !!!");
650 }
651 }
652
GetBinary(std::vector<uint8_t> & buf) const653 bool PerfRecordThrottle::GetBinary(std::vector<uint8_t> &buf) const
654 {
655 if (buf.size() < GetSize()) {
656 buf.resize(GetSize());
657 }
658
659 GetHeaderBinary(buf);
660 uint8_t *p = buf.data() + GetHeaderSize();
661
662 auto pDest = reinterpret_cast<PerfRecordThrottleData *>(p);
663 *pDest = data_;
664 return true;
665 }
666
DumpData(int indent) const667 void PerfRecordThrottle::DumpData(int indent) const
668 {
669 PrintIndent(indent, "time 0x%llx, id %llx, stream_id %llx\n", data_.time, data_.id,
670 data_.stream_id);
671 }
672
PerfRecordUnthrottle(uint8_t * p)673 PerfRecordUnthrottle::PerfRecordUnthrottle(uint8_t *p) : PerfEventRecord(p, "unthrottle")
674 {
675 size_t copySize = GetSize() - sizeof(header);
676 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
677 HLOGE("memcpy_s retren failed !!!");
678 }
679 }
680
GetBinary(std::vector<uint8_t> & buf) const681 bool PerfRecordUnthrottle::GetBinary(std::vector<uint8_t> &buf) const
682 {
683 if (buf.size() < GetSize()) {
684 buf.resize(GetSize());
685 }
686
687 GetHeaderBinary(buf);
688 uint8_t *p = buf.data() + GetHeaderSize();
689
690 auto pDest = reinterpret_cast<PerfRecordThrottleData *>(p);
691 *pDest = data_;
692 return true;
693 }
DumpData(int indent) const694 void PerfRecordUnthrottle::DumpData(int indent) const
695 {
696 PrintIndent(indent, "time 0x%llx, id %llx, stream_id %llx\n", data_.time, data_.id,
697 data_.stream_id);
698 }
699
PerfRecordFork(uint8_t * p)700 PerfRecordFork::PerfRecordFork(uint8_t *p) : PerfEventRecord(p, "fork")
701 {
702 size_t copySize = GetSize() - sizeof(header);
703 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
704 HLOGE("memcpy_s retren failed !!!");
705 }
706 }
707
GetBinary(std::vector<uint8_t> & buf) const708 bool PerfRecordFork::GetBinary(std::vector<uint8_t> &buf) const
709 {
710 if (buf.size() < GetSize()) {
711 buf.resize(GetSize());
712 }
713
714 GetHeaderBinary(buf);
715 uint8_t *p = buf.data() + GetHeaderSize();
716
717 auto pDest = reinterpret_cast<PerfRecordForkData *>(p);
718 *pDest = data_;
719 return true;
720 }
721
DumpData(int indent) const722 void PerfRecordFork::DumpData(int indent) const
723 {
724 PrintIndent(indent, "pid %u, ppid %u, tid %u, ptid %u\n", data_.pid, data_.ppid, data_.tid,
725 data_.ptid);
726 }
727
PerfRecordRead(uint8_t * p)728 PerfRecordRead::PerfRecordRead(uint8_t *p) : PerfEventRecord(p, "read")
729 {
730 size_t copySize = GetSize() - sizeof(header);
731 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
732 HLOGE("memcpy_s retren failed !!!");
733 }
734 }
735
GetBinary(std::vector<uint8_t> & buf) const736 bool PerfRecordRead::GetBinary(std::vector<uint8_t> &buf) const
737 {
738 if (buf.size() < GetSize()) {
739 buf.resize(GetSize());
740 }
741
742 GetHeaderBinary(buf);
743 uint8_t *p = buf.data() + GetHeaderSize();
744
745 auto pDest = reinterpret_cast<PerfRecordReadData *>(p);
746 *pDest = data_;
747 return true;
748 }
749
DumpData(int indent) const750 void PerfRecordRead::DumpData(int indent) const
751 {
752 PrintIndent(indent, "pid %u, tid %u\n", data_.pid, data_.tid);
753 PrintIndent(indent, "values: value %llx, time_enabled %llx, time_running %llx, id %llx\n",
754 data_.values.value, data_.values.time_enabled, data_.values.time_running,
755 data_.values.id);
756 }
757
PerfRecordAux(uint8_t * p)758 PerfRecordAux::PerfRecordAux(uint8_t *p) : PerfEventRecord(p, "aux")
759 {
760 size_t copySize = GetSize() - sizeof(header);
761 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
762 HLOGE("memcpy_s retren failed !!!");
763 }
764 }
765
GetBinary(std::vector<uint8_t> & buf) const766 bool PerfRecordAux::GetBinary(std::vector<uint8_t> &buf) const
767 {
768 if (buf.size() < GetSize()) {
769 buf.resize(GetSize());
770 }
771
772 GetHeaderBinary(buf);
773 uint8_t *p = buf.data() + GetHeaderSize();
774
775 auto pDest = reinterpret_cast<PerfRecordAuxData *>(p);
776 *pDest = data_;
777 return true;
778 }
779
DumpData(int indent) const780 void PerfRecordAux::DumpData(int indent) const
781 {
782 PrintIndent(indent, "aux_offset %llx, aux_size %llx, flags %llx\n", data_.aux_offset,
783 data_.aux_size, data_.flags);
784 }
785
PerfRecordItraceStart(uint8_t * p)786 PerfRecordItraceStart::PerfRecordItraceStart(uint8_t *p) : PerfEventRecord(p, "itraceStart")
787 {
788 size_t copySize = GetSize() - sizeof(header);
789 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
790 HLOGE("memcpy_s retren failed !!!");
791 }
792 }
793
GetBinary(std::vector<uint8_t> & buf) const794 bool PerfRecordItraceStart::GetBinary(std::vector<uint8_t> &buf) const
795 {
796 if (buf.size() < GetSize()) {
797 buf.resize(GetSize());
798 }
799
800 GetHeaderBinary(buf);
801 uint8_t *p = buf.data() + GetHeaderSize();
802
803 auto pDest = reinterpret_cast<PerfRecordItraceStartData *>(p);
804 *pDest = data_;
805 return true;
806 }
807
DumpData(int indent) const808 void PerfRecordItraceStart::DumpData(int indent) const
809 {
810 PrintIndent(indent, "pid %u, tid %u\n", data_.pid, data_.tid);
811 }
812
PerfRecordLostSamples(uint8_t * p)813 PerfRecordLostSamples::PerfRecordLostSamples(uint8_t *p) : PerfEventRecord(p, "lostSamples")
814 {
815 size_t copySize = GetSize() - sizeof(header);
816 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
817 HLOGE("memcpy_s retren failed !!!");
818 }
819 }
820
GetBinary(std::vector<uint8_t> & buf) const821 bool PerfRecordLostSamples::GetBinary(std::vector<uint8_t> &buf) const
822 {
823 if (buf.size() < GetSize()) {
824 buf.resize(GetSize());
825 }
826
827 GetHeaderBinary(buf);
828 uint8_t *p = buf.data() + GetHeaderSize();
829
830 auto pDest = reinterpret_cast<PerfRecordLostSamplesData *>(p);
831 *pDest = data_;
832 return true;
833 }
834
DumpData(int indent) const835 void PerfRecordLostSamples::DumpData(int indent) const
836 {
837 PrintIndent(indent, "lost %llu\n", data_.lost);
838 }
839
PerfRecordSwitch(uint8_t * p)840 PerfRecordSwitch::PerfRecordSwitch(uint8_t *p) : PerfEventRecord(p, "switch")
841 {
842 size_t copySize = GetSize() - sizeof(header);
843 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
844 HLOGE("memcpy_s retren failed !!!");
845 }
846 }
847
GetBinary(std::vector<uint8_t> & buf) const848 bool PerfRecordSwitch::GetBinary(std::vector<uint8_t> &buf) const
849 {
850 if (buf.size() < GetSize()) {
851 buf.resize(GetSize());
852 }
853
854 GetHeaderBinary(buf);
855 uint8_t *p = buf.data() + GetHeaderSize();
856
857 auto pDest = reinterpret_cast<PerfRecordSwitchData *>(p);
858 *pDest = data_;
859 return true;
860 }
861
PerfRecordSwitchCpuWide(uint8_t * p)862 PerfRecordSwitchCpuWide::PerfRecordSwitchCpuWide(uint8_t *p) : PerfEventRecord(p, "switchCpuWide")
863 {
864 size_t copySize = GetSize() - sizeof(header);
865 if (memcpy_s((uint8_t *)&data_, sizeof(data_), p + sizeof(header), copySize) != 0) {
866 HLOGE("memcpy_s retren failed !!!");
867 }
868 }
869
GetBinary(std::vector<uint8_t> & buf) const870 bool PerfRecordSwitchCpuWide::GetBinary(std::vector<uint8_t> &buf) const
871 {
872 if (buf.size() < GetSize()) {
873 buf.resize(GetSize());
874 }
875
876 GetHeaderBinary(buf);
877 uint8_t *p = buf.data() + GetHeaderSize();
878
879 auto pDest = reinterpret_cast<PerfRecordSwitchCpuWideData *>(p);
880 *pDest = data_;
881 return true;
882 }
883
DumpData(int indent) const884 void PerfRecordSwitchCpuWide::DumpData(int indent) const
885 {
886 PrintIndent(indent, "next_prev_pid %u, next_prev_tid %u\n", data_.next_prev_pid,
887 data_.next_prev_tid);
888 }
889 } // namespace HiPerf
890 } // namespace Developtools
891 } // namespace OHOS
892