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Recently I tried to debug CPU profiling on Chrome.

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I've found that profiling is not working in Debug version.
The actual problem is that sandbox/playgroung configuration is wrong and tgkill syscalls are disallowed.

This patch will make such cases more clear.

Review URL: https://codereview.chromium.org/11961037
Patch from Eugene Klyuchnikov <eustas@chromium.org>.

git-svn-id: http://v8.googlecode.com/svn/branches/bleeding_edge@13411 ce2b1a6d-e550-0410-aec6-3dcde31c8c00
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jkummerow@chromium.org 2013-01-17 13:48:27 +00:00
parent 26969a62a3
commit f6659cfcd7
1 changed files with 3 additions and 1 deletions
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4
src/platform-linux.cc
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@ -1208,7 +1208,9 @@ class SignalSender : public Thread {
#if defined(ANDROID) #if defined(ANDROID)
syscall(__NR_tgkill, vm_tgid_, tid, SIGPROF); syscall(__NR_tgkill, vm_tgid_, tid, SIGPROF);
#else #else
syscall(SYS_tgkill, vm_tgid_, tid, SIGPROF); int result = syscall(SYS_tgkill, vm_tgid_, tid, SIGPROF);
USE(result);
ASSERT(result == 0);
#endif #endif
} }