New MoarVM, NQP and Rakudo packages (2016.07)

[Dominique Dumont]

On Friday, August 26, 2016 3:36:32 PM CEST Daniel Dehennin wrote:
> Great, I'll wait for info before upgrading to 2016.08.1

Tests on arm64 are not consistent. 

A test sometimes pass or sometimes hangs. Hanging always happens at start-up of a test. 

There, you can see that 01-argless.t pass sometimes:

(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ perl t/harness5 t/04-nativecall
t/04-nativecall/01-argless.t ............. ^C
Test run interrupted!
Files=0, Tests=0, 44 wallclock secs ( 0.05 usr +  0.00 sys =  0.05 CPU)
Result: NOTESTS
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ perl t/harness5 t/04-nativecall --verbose=3
t/04-nativecall/01-argless.t ............. ok   
t/04-nativecall/02-simple-args.t ......... ^C
Test run interrupted!
All tests successful.
Files=1, Tests=3,  2 wallclock secs ( 0.05 usr  0.00 sys +  1.81 cusr  0.08 csys =  1.94 CPU)
Result: PASS
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ perl t/harness5 t/04-nativecall --verbose=3
t/04-nativecall/01-argless.t ............. ok   
t/04-nativecall/02-simple-args.t ......... ^C
Test run interrupted!
All tests successful.
Files=1, Tests=3, 25 wallclock secs ( 0.05 usr  0.00 sys +  1.76 cusr  0.12 csys =  1.93 CPU)
Result: PASS
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ perl t/harness5 t/04-nativecall --verbose=3
t/04-nativecall/01-argless.t ............. ok   
t/04-nativecall/02-simple-args.t ......... ^C
Test run interrupted!
All tests successful.
Files=1, Tests=3, 17 wallclock secs ( 0.03 usr  0.02 sys +  1.78 cusr  0.10 csys =  1.93 CPU)
Result: PASS
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ ./perl6 t/04-nativecall/01-argless.t 
1..3
^C
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ perl t/harness5 --verbose=3 t/04-nativecall            
t/04-nativecall/01-argless.t ............. ok   
t/04-nativecall/02-simple-args.t ......... ok     
t/04-nativecall/03-simple-returns.t ...... Dubious, test returned 1 (wstat 256, 0x100)
Failed 1/11 subtests 
t/04-nativecall/04-pointers.t ............ ok     
t/04-nativecall/05-arrays.t .............. ^C
Test run interrupted!

Test Summary Report
-------------------
t/04-nativecall/03-simple-returns.t    (Wstat: 256 Tests: 11 Failed: 1)
  Failed test:  3
  Non-zero exit status: 1
Files=4, Tests=40, 64 wallclock secs ( 0.06 usr  0.01 sys + 10.55 cusr  0.22 csys = 10.84 CPU)
Result: FAIL
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$ perl t/harness5 --verbose=3 t/04-nativecall 
t/04-nativecall/01-argless.t ............. ^C
Test run interrupted!                                                                                                                                                                      
Files=0, Tests=0, 257 wallclock secs ( 0.04 usr +  0.00 sys =  0.04 CPU)                                                                                                                   
Result: NOTESTS                                                                                                                                                                            
(sid_arm64-dchroot)dod at asachi:~/rakudo-2016.07.1$                                                                                                                                          

CPU is mostly idle when a test hangs.

strace shows:

newfstatat(AT_FDCWD, "blib/Perl6/ModuleLoader.moarvm", {st_mode=S_IFREG|0644, st_size=19720, ...}, 0) = 0
write(11, "1..3", 41..3)                    = 4
epoll_ctl(5, EPOLL_CTL_ADD, 6, {EPOLLIN, {u32=6, u64=6}}) = 0
epoll_ctl(5, EPOLL_CTL_ADD, 8, {EPOLLIN, {u32=8, u64=8}}) = 0
epoll_pwait(5, [], 1024, 0, [], 8)      = 0
write(11, "\n", 1
)                      = 1
epoll_pwait(5, [], 1024, 0, [], 8)      = 0
openat(AT_FDCWD, "/etc/localtime", O_RDONLY|O_CLOEXEC) = 19
fstat(19, {st_mode=S_IFREG|0644, st_size=127, ...}) = 0
fstat(19, {st_mode=S_IFREG|0644, st_size=127, ...}) = 0
read(19, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\1\0\0\0\0"..., 4096) = 127
lseek(19, -71, SEEK_CUR)                = 56
read(19, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\1\0\0\0\1\0\0\0\0"..., 4096) = 71
close(19)                               = 0
brk(0x41682000)                         = 0x41682000
brk(0x416a4000)                         = 0x416a4000
pipe2([19, 20], O_CLOEXEC)              = 0
rt_sigprocmask(SIG_SETMASK, ~[RTMIN RT_1], [], 8) = 0
read(3, "*", 1)                         = 1
rt_sigaction(SIGCHLD, {0x7f9c559c38, ~[RTMIN RT_1], 0}, NULL, 8) = 0
write(4, "*", 1)                        = 1
rt_sigprocmask(SIG_SETMASK, [], NULL, 8) = 0
clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0x7f9cb230d0) = 25569
close(20)                               = 0
read(19, "", 4)                         = 0
close(19)                               = 0
epoll_pwait(5, 

Please let me know if you need other tests to understand what's going on..

All the best

-- 
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