Ludovic Courtès <ludovic.cour...@inria.fr> skribis: > $ time guix shell -D guix -- true > > real 0m0.596s > user 0m0.716s > sys 0m0.064s > $ strace -c guix shell -D guix -- true > % time seconds usecs/call calls errors syscall > ------ ----------- ----------- --------- --------- ------------------
[...] > 100.00 0.025544 4 6084 739 total [...] > This, in turn, comes from (guix scripts pack), which has become a hard > dependency of (guix scripts environment) with commit > b31ea797edb4f6e8c14e8fe790da1319607c5cb1. Fixed with 9fad6067d914066e3b80bc9da6a2cb8bb060b96d. --8<---------------cut here---------------start------------->8--- $ /tmp/prof/bin/guix describe Generation 1 Apr 18 2023 00:49:35 (current) guix 84bd7cf repository URL: https://git.savannah.gnu.org/git/guix.git branch: master commit: 84bd7cf9189574d9a966c4583f95bfe843e4b56a $ strace -c /tmp/prof/bin/guix shell -D guix -- true % time seconds usecs/call calls errors syscall ------ ----------- ----------- --------- --------- ------------------ 36.04 0.002646 2646 1 wait4 20.68 0.001518 16 93 12 futex 10.97 0.000805 2 364 mmap 10.11 0.000742 1 522 281 openat 8.20 0.000602 0 1001 328 newfstatat 4.15 0.000305 1 236 mprotect 3.39 0.000249 1 133 read 1.59 0.000117 1 104 88 readlink 1.43 0.000105 0 242 close 0.79 0.000058 9 6 clone 0.53 0.000039 0 195 3 lseek 0.44 0.000032 1 21 rt_sigprocmask 0.38 0.000028 1 22 brk 0.31 0.000023 0 28 pread64 0.23 0.000017 8 2 munmap 0.16 0.000012 1 10 clock_gettime 0.12 0.000009 1 5 rt_sigaction 0.12 0.000009 3 3 pipe2 0.08 0.000006 3 2 sched_getaffinity 0.07 0.000005 1 3 prlimit64 0.04 0.000003 0 6 1 ioctl 0.04 0.000003 3 1 set_tid_address 0.04 0.000003 3 1 set_robust_list 0.03 0.000002 0 3 write 0.03 0.000002 2 1 getcwd 0.01 0.000001 0 2 getrandom 0.00 0.000000 0 2 2 access 0.00 0.000000 0 14 getpid 0.00 0.000000 0 1 execve 0.00 0.000000 0 1 uname 0.00 0.000000 0 3 fcntl 0.00 0.000000 0 1 sysinfo 0.00 0.000000 0 2 getuid 0.00 0.000000 0 2 geteuid 0.00 0.000000 0 1 arch_prctl 0.00 0.000000 0 1 utimensat ------ ----------- ----------- --------- --------- ------------------ 100.00 0.007341 2 3035 715 total $ time /tmp/prof/bin/guix shell -D guix -- true real 0m0.155s user 0m0.143s sys 0m0.049s --8<---------------cut here---------------end--------------->8--- There’s still room for improvement but at least no gnu/packages/* files are being loaded now. Ludo’.