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Issue 255803003: Linux perf support update. (Closed) Base URL: https://v8.googlecode.com/svn/branches/bleeding_edge
Patch Set: Rebase Created 6 years, 5 months ago
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1 // Copyright 2012 the V8 project authors. All rights reserved. 1 // Copyright 2012 the V8 project authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be 2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file. 3 // found in the LICENSE file.
4 4
5 // Platform-specific code for POSIX goes here. This is not a platform on its 5 // Platform-specific code for POSIX goes here. This is not a platform on its
6 // own, but contains the parts which are the same across the POSIX platforms 6 // own, but contains the parts which are the same across the POSIX platforms
7 // Linux, MacOS, FreeBSD, OpenBSD, NetBSD and QNX. 7 // Linux, MacOS, FreeBSD, OpenBSD, NetBSD and QNX.
8 8
9 #include <dlfcn.h> 9 #include <dlfcn.h>
10 #include <errno.h> 10 #include <errno.h>
11 #include <limits.h> 11 #include <limits.h>
12 #include <pthread.h> 12 #include <pthread.h>
13 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__) 13 #if defined(__DragonFly__) || defined(__FreeBSD__) || defined(__OpenBSD__)
14 #include <pthread_np.h> // for pthread_set_name_np 14 #include <pthread_np.h> // for pthread_set_name_np
15 #endif 15 #endif
16 #include <sched.h> // for sched_yield 16 #include <sched.h> // for sched_yield
17 #include <time.h> 17 #include <time.h>
18 #include <unistd.h> 18 #include <unistd.h>
19 19
20 #include <sys/mman.h> 20 #include <sys/mman.h>
21 #include <sys/resource.h> 21 #include <sys/resource.h>
22 #include <sys/stat.h> 22 #include <sys/stat.h>
23 #include <sys/syscall.h>
23 #include <sys/time.h> 24 #include <sys/time.h>
24 #include <sys/types.h> 25 #include <sys/types.h>
25
26 #if defined(__linux__) 26 #if defined(__linux__)
27 #include <sys/prctl.h> // NOLINT, for prctl 27 #include <sys/prctl.h> // NOLINT, for prctl
28 #endif 28 #endif
29 #if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || \ 29 #if defined(__APPLE__) || defined(__DragonFly__) || defined(__FreeBSD__) || \
30 defined(__NetBSD__) || defined(__OpenBSD__) 30 defined(__NetBSD__) || defined(__OpenBSD__)
31 #include <sys/sysctl.h> // NOLINT, for sysctl 31 #include <sys/sysctl.h> // NOLINT, for sysctl
32 #endif 32 #endif
33 33
34 #include <arpa/inet.h> 34 #include <arpa/inet.h>
35 #include <netdb.h> 35 #include <netdb.h>
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311 // NAN from math.h is defined in C99 and not in POSIX. 311 // NAN from math.h is defined in C99 and not in POSIX.
312 return NAN; 312 return NAN;
313 } 313 }
314 314
315 315
316 int OS::GetCurrentProcessId() { 316 int OS::GetCurrentProcessId() {
317 return static_cast<int>(getpid()); 317 return static_cast<int>(getpid());
318 } 318 }
319 319
320 320
321 int OS::GetCurrentThreadId() {
322 return static_cast<int>(syscall(SYS_gettid));
323 }
324
325
321 // ---------------------------------------------------------------------------- 326 // ----------------------------------------------------------------------------
322 // POSIX date/time support. 327 // POSIX date/time support.
323 // 328 //
324 329
325 int OS::GetUserTime(uint32_t* secs, uint32_t* usecs) { 330 int OS::GetUserTime(uint32_t* secs, uint32_t* usecs) {
326 struct rusage usage; 331 struct rusage usage;
327 332
328 if (getrusage(RUSAGE_SELF, &usage) < 0) return -1; 333 if (getrusage(RUSAGE_SELF, &usage) < 0) return -1;
329 *secs = usage.ru_utime.tv_sec; 334 *secs = usage.ru_utime.tv_sec;
330 *usecs = usage.ru_utime.tv_usec; 335 *usecs = usage.ru_utime.tv_usec;
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717 722
718 void Thread::SetThreadLocal(LocalStorageKey key, void* value) { 723 void Thread::SetThreadLocal(LocalStorageKey key, void* value) {
719 pthread_key_t pthread_key = LocalKeyToPthreadKey(key); 724 pthread_key_t pthread_key = LocalKeyToPthreadKey(key);
720 int result = pthread_setspecific(pthread_key, value); 725 int result = pthread_setspecific(pthread_key, value);
721 ASSERT_EQ(0, result); 726 ASSERT_EQ(0, result);
722 USE(result); 727 USE(result);
723 } 728 }
724 729
725 730
726 } } // namespace v8::base 731 } } // namespace v8::base
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