On 22.01.17 23:18, Aurélien Larcher wrote:
> Hi,
> i just came across this:
>
> https://bugzilla.mozilla.org/show_bug.cgi?id=508427
>
> The advice is to set layout.frame_rate to a lower value than the default 60
> (-1).
> The same applies to Thunderbird.
>
> dtruss shows for 30sec:
>
> // layout.frame_rate = 24
> CALL COUNT
> getsockname 1
> open 1
> doorfs 2
> getuid 2
> mmap 2
> open64 2
> statvfs64 2
> unlink 2
> close 3
> fstat64 4
> lwp_kill 18
> lwp_sigmask 18
> setcontext 18
> access 35
> fcntl 38
> ioctl 73
> gtime 74
> stat64 116
> lseek 160
> send 419
> llseek 1355
> writev 3256
> getpid 3257
> lwp_mutex_timedlock 3765
> lwp_mutex_unlock 3765
> write 8997
> read 11844
> yield 12086
> pollsys 27330
> recvmsg 28980
> lwp_park 44725
> clock_gettime 154470
>
> // layout.frame_rate = -1
> CALL COUNT
> mkdir 1
> open64 1
> recv 1
> unlink 1
> getsockname 2
> ioctl 2
> statvfs64 2
> fdsync 3
> gtime 3
> rename 3
> access 4
> doorfs 4
> fstat64 4
> getuid 4
> open 4
> close 5
> yield 12
> lwp_kill 16
> lwp_sigmask 16
> setcontext 16
> fcntl 51
> munmap 92
> mmap 100
> stat64 115
> send 419
> llseek 1399
> memcntl 2597
> getpid 2615
> lwp_mutex_timedlock 3838
> lwp_mutex_unlock 3838
> write 8761
> read 11410
> writev 36870
> lwp_park 44045
> clock_gettime 74407
> pollsys 94750
> recvmsg 130168
>
> It seems to lower pollsys count as advertized (if I understood well).
>
> How does this look for you?
>
> Kind regards
>
> Aurélien
>
Hi all,
FF has 15 tabs opened, not touched during test - option was changed, no
restart between:
// layout.frame_rate = 24; pfexec /opt/DTT/dtruss -p $FF_PID -c
CALL COUNT
ioctl 2
recv 2
fdsync 3
connect 5
getsockopt 5
so_socket 5
rename 7
fstat64 8
unlink 8
doorfs 10
getuid 10
getsockname 19
open 19
lwp_kill 20
lwp_sigmask 20
setcontext 20
gtime 22
mmap 25
statvfs64 27
open64 29
access 33
setsockopt 40
close 48
getpeername 74
llseek 85
lstat64 174
fcntl 179
stat64 349
yield 560
memcntl 791
getpid 4035
write 5212
read 5449
writev 6598
recvmsg 22400
pollsys 23939
lwp_park 25037
clock_gettime 118264
// layout.frame_rate = -1; pfexec /opt/DTT/dtruss -p $FF_PID -c
CALL COUNT
access 1
fstat64 2
ioctl 2
rename 2
statvfs64 2
fdsync 3
gtime 3
open 3
open64 5
recv 5
close 11
munmap 17
lwp_kill 26
lwp_sigmask 26
setcontext 26
mmap 27
writev 42
llseek 48
yield 51
getpid 64
fcntl 98
stat64 251
memcntl 947
read 1386
write 1400
lwp_park 4336
recvmsg 5669
pollsys 5729
clock_gettime 23077
Next test is done on FF which has 15 tabs opened (same ones, wasn't used
during test) - with FF restart after changing it:
// layout.frame_rate = 24; pfexec /opt/DTT/dtruss -p $FF_PID -c
CALL COUNT
recv 1
sysconfig 1
unlink 2
fstat 3
lwp_wait 5
mkdir 5
rename 6
getsockname 7
lwp_exit 7
gtime 11
lwp_kill 11
openat 11
setcontext 11
open64 12
fstat64 15
lwp_sigmask 18
access 21
getdents64 25
open 26
statvfs64 29
munmap 48
mmap 49
close 50
lstat64 264
llseek 314
stat64 385
yield 547
lstat 606
stat 994
getpid 1319
writev 1326
write 2984
memcntl 3298
read 3742
fcntl 12260
lwp_park 18072
recvmsg 25301
pollsys 26405
clock_gettime 111836
// layout.frame_rate = -1; pfexec /opt/DTT/dtruss -p $FF_PID -c
CALL COUNT
recv 1
statvfs64 1
unlink 1
open64 2
writev 3
rename 4
access 5
mkdir 5
lwp_exit 7
lwp_wait 7
gtime 8
lwp_kill 11
openat 11
setcontext 11
llseek 12
fstat64 13
open 14
lwp_sigmask 18
mmap 18
getdents64 25
close 28
fcntl 29
munmap 29
getpid 58
stat64 252
yield 447
lstat 604
stat 991
write 1901
read 1906
memcntl 2346
recvmsg 7309
pollsys 7316
lwp_park 13809
clock_gettime 42027
To me it looks that in any case default (-1) value works better...
I am running OI /hipster (updated this morning):
$ uname -rosv
SunOS 5.11 illumos-8bd37d6 Solaris
Regards.
--
Predrag Zečević
Technical Support Analyst
2e Systems GmbH
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