Public bug reported:
On my machine, fish shell takes ~9ms to startup. With the flatpak
package installed, it takes ~21ms.
Timing with /bin/time (resolution 10ms):
~> exec sh
$ time -f '%es' /bin/fish -c exit
0.00s
$ sudo apt-get install flatpak -y >/dev/null
$ time -f '%es' /bin/fish -c exit
0.01s
$ sudo apt-get purge flatpak -y >/dev/null
$ time -f '%es' /bin/fish -c exit
0.00s
Time with fish timer (resolution 1µs, includes active fish shell processing
time):
~> time /bin/fish -c exit
________________________________________________________
Executed in 9.14 millis fish external
usr time 5.23 millis 269.00 micros 4.96 millis
sys time 4.25 millis 176.00 micros 4.07 millis
~> sudo apt-get install flatpak -y > /dev/null
~> time /bin/fish -c exit
________________________________________________________
Executed in 21.02 millis fish external
usr time 10.53 millis 0.00 micros 10.53 millis
sys time 10.88 millis 465.00 micros 10.42 millis
~> sudo apt-get purge flatpak -y > /dev/null
~> time /bin/fish -c exit
________________________________________________________
Executed in 9.66 millis fish external
usr time 6.52 millis 0.00 micros 6.52 millis
sys time 3.49 millis 482.00 micros 3.00 millis
I suppose the flatpak package is installing some system fish
configuration, that fish processes by default. I noticed the extra
latency when starting my shell. I used the fish profiler to find out it
was flatpak.
Ubuntu 24.04 LTS, Package: flatpak, Version: 1.14.6-1
** Affects: flatpak (Ubuntu)
Importance: Undecided
Status: New
** Description changed:
On my machine, fish shell takes ~9ms to startup. With the flatpak
package installed, it takes ~21ms.
Timing with /bin/time (resolution 10ms):
~> exec sh
$ time -f '%es' /bin/fish -c exit
0.00s
$ sudo apt-get install flatpak -y >/dev/null
$ time -f '%es' /bin/fish -c exit
0.01s
$ sudo apt-get purge flatpak -y >/dev/null
$ time -f '%es' /bin/fish -c exit
0.00s
Time with fish timer (resolution 1µs, includes active fish shell processing
time):
~> time /bin/fish -c exit
________________________________________________________
Executed in 9.14 millis fish external
- usr time 5.23 millis 269.00 micros 4.96 millis
- sys time 4.25 millis 176.00 micros 4.07 millis
+ usr time 5.23 millis 269.00 micros 4.96 millis
+ sys time 4.25 millis 176.00 micros 4.07 millis
~> sudo apt-get install flatpak -y > /dev/null
~> time /bin/fish -c exit
________________________________________________________
Executed in 21.02 millis fish external
- usr time 10.53 millis 0.00 micros 10.53 millis
- sys time 10.88 millis 465.00 micros 10.42 millis
- ~> sudo apt-get purge flatpak -y > /dev/null
+ usr time 10.53 millis 0.00 micros 10.53 millis
+ sys time 10.88 millis 465.00 micros 10.42 millis
+ ~> sudo apt-get purge flatpak -y > /dev/null
~> time /bin/fish -c exit
________________________________________________________
Executed in 9.66 millis fish external
- usr time 6.52 millis 0.00 micros 6.52 millis
- sys time 3.49 millis 482.00 micros 3.00 millis
+ usr time 6.52 millis 0.00 micros 6.52 millis
+ sys time 3.49 millis 482.00 micros 3.00 millis
I suppose the flatpak package is installing some system fish
configuration, that fish processes by default. I noticed the extra
latency when starting my shell. I used the fish profiler to find out it
was flatpak.
+
+ Ubuntu 24.04 LTS, Package: flatpak, Version: 1.14.6-1
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https://bugs.launchpad.net/bugs/2073306
Title:
flatpak package doubles fish shell startup latency
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